Started rewriting the Gatt Screen UI
This commit is contained in:
Alexandros Schillings
@@ -14,86 +14,112 @@
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_margin="10dp"
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android:orientation="vertical" >
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android:layout_height="match_parent"
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android:orientation="vertical"
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android:paddingBottom="@dimen/activity_vertical_margin"
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android:paddingLeft="@dimen/activity_horizontal_margin"
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android:paddingRight="@dimen/activity_horizontal_margin"
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android:paddingTop="@dimen/activity_vertical_margin" >
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<LinearLayout
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<GridLayout
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android:id="@+id/deviceInformation"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_margin="10dp"
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android:orientation="horizontal" >
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android:layout_alignParentTop="true"
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android:columnCount="2"
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android:useDefaultMargins="true" >
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<TextView
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style="@style/GridLayoutTitleTextView"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/label_device_address"
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android:textSize="18sp" />
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<Space
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android:layout_width="5dp"
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android:layout_height="wrap_content" />
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android:text="@string/label_device_address" />
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<TextView
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android:id="@+id/device_address"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:textSize="18sp" />
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</LinearLayout>
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_margin="10dp"
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android:orientation="horizontal" >
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style="@style/GridLayoutDataTextView" />
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<TextView
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style="@style/GridLayoutTitleTextView"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/label_state"
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android:textSize="18sp" />
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<Space
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android:layout_width="5dp"
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android:layout_height="wrap_content" />
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android:text="@string/label_state" />
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<TextView
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android:id="@+id/connection_state"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/disconnected"
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android:textSize="18sp" />
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</LinearLayout>
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style="@style/GridLayoutDataTextView" />
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</GridLayout>
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<LinearLayout
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<View
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android:id="@+id/upperSepparator"
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android:layout_width="match_parent"
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android:layout_height="1dp"
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android:layout_below="@id/deviceInformation"
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android:background="@android:color/holo_blue_dark" />
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<GridLayout
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android:id="@+id/gattInformation"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_margin="10dp"
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android:orientation="horizontal" >
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android:layout_alignParentBottom="true"
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android:columnCount="2"
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android:useDefaultMargins="true" >
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<TextView
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style="@style/GridLayoutTitleTextView"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/label_data"
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android:textSize="18sp" />
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<Space
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android:layout_width="5dp"
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android:layout_height="wrap_content" />
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android:text="@string/label_uuid" />
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<TextView
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android:id="@+id/data_value"
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android:layout_width="match_parent"
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android:id="@+id/uuid"
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style="@style/GridLayoutDataTextViewMonospace" />
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<TextView
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style="@style/GridLayoutTitleTextView"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/no_data"
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android:textSize="18sp" />
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</LinearLayout>
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android:text="@string/label_desc" />
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<TextView
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android:id="@+id/description"
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style="@style/GridLayoutDataTextViewMonospace" />
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<TextView
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style="@style/GridLayoutTitleTextView"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/label_as_string" />
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<TextView
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android:id="@+id/data_as_string"
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style="@style/GridLayoutDataTextViewMonospace" />
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<TextView
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style="@style/GridLayoutTitleTextView"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/label_as_array" />
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<TextView
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android:id="@+id/data_as_array"
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style="@style/GridLayoutDataTextViewMonospace" />
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</GridLayout>
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<View
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android:id="@+id/lowerSepparator"
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android:layout_width="match_parent"
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android:layout_height="1dp"
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android:layout_above="@id/gattInformation"
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android:background="@android:color/holo_blue_dark" />
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<ExpandableListView
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android:id="@+id/gatt_services_list"
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android:layout_width="match_parent"
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android:layout_height="wrap_content" />
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android:layout_height="fill_parent"
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android:layout_above="@id/lowerSepparator"
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android:layout_below="@id/upperSepparator" />
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</LinearLayout>
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</RelativeLayout>
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@@ -23,7 +23,7 @@
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style="@style/GridLayoutTitleTextView"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="As String:" />
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android:text="@string/label_as_string" />
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<TextView
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android:id="@+id/data_as_string"
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@@ -33,7 +33,7 @@
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style="@style/GridLayoutTitleTextView"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="As Array:" />
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android:text="@string/label_as_array" />
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<TextView
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android:id="@+id/data_as_array"
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@@ -51,5 +51,8 @@
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<string name="header_device_info">Device Info</string>
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<string name="invalid_device_data">Invalid Device Data!</string>
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<string name="unknown">unknown</string>
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<string name="label_as_string">As String:</string>
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<string name="label_as_array">As Array:</string>
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<string name="label_desc">Desc:</string>
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</resources>
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@@ -19,8 +19,10 @@ package uk.co.alt236.btlescan.activities;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import uk.co.alt236.bluetoothlelib.resolvers.GattAttributeResolver;
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import uk.co.alt236.bluetoothlelib.util.ByteUtils;
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import uk.co.alt236.btlescan.R;
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import uk.co.alt236.btlescan.services.BluetoothLeService;
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import android.app.Activity;
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@@ -41,6 +43,8 @@ import android.view.View;
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import android.widget.ExpandableListView;
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import android.widget.SimpleExpandableListAdapter;
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import android.widget.TextView;
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import butterknife.ButterKnife;
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import butterknife.InjectView;
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/**
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* For a given BLE device, this Activity provides the user interface to connect, display data,
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@@ -49,264 +53,286 @@ import android.widget.TextView;
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* Bluetooth LE API.
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*/
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public class DeviceControlActivity extends Activity {
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private final static String TAG = DeviceControlActivity.class.getSimpleName();
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private final static String TAG = DeviceControlActivity.class.getSimpleName();
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public static final String EXTRAS_DEVICE_NAME = "DEVICE_NAME";
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public static final String EXTRAS_DEVICE_ADDRESS = "DEVICE_ADDRESS";
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public static final String EXTRAS_DEVICE_NAME = "DEVICE_NAME";
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public static final String EXTRAS_DEVICE_ADDRESS = "DEVICE_ADDRESS";
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private TextView mConnectionState;
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private TextView mDataField;
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private String mDeviceName;
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private String mDeviceAddress;
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private ExpandableListView mGattServicesList;
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private BluetoothLeService mBluetoothLeService;
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private ArrayList<ArrayList<BluetoothGattCharacteristic>> mGattCharacteristics =
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new ArrayList<ArrayList<BluetoothGattCharacteristic>>();
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private boolean mConnected = false;
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private BluetoothGattCharacteristic mNotifyCharacteristic;
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private static final String LIST_NAME = "NAME";
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private static final String LIST_UUID = "UUID";
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private final String LIST_NAME = "NAME";
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private final String LIST_UUID = "UUID";
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private BluetoothGattCharacteristic mNotifyCharacteristic;
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private BluetoothLeService mBluetoothLeService;
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private List<List<BluetoothGattCharacteristic>> mGattCharacteristics = new ArrayList<List<BluetoothGattCharacteristic>>();
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private String mDeviceAddress;
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private String mDeviceName;
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// Code to manage Service lifecycle.
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private final ServiceConnection mServiceConnection = new ServiceConnection() {
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@InjectView(R.id.gatt_services_list) ExpandableListView mGattServicesList;
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@InjectView(R.id.connection_state) TextView mConnectionState;
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@Override
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public void onServiceConnected(ComponentName componentName, IBinder service) {
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mBluetoothLeService = ((BluetoothLeService.LocalBinder) service).getService();
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if (!mBluetoothLeService.initialize()) {
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Log.e(TAG, "Unable to initialize Bluetooth");
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finish();
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}
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// Automatically connects to the device upon successful start-up initialization.
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mBluetoothLeService.connect(mDeviceAddress);
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}
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@InjectView(R.id.uuid) TextView mGattUUID;
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@InjectView(R.id.description) TextView mGattUUIDDesc;
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@InjectView(R.id.data_as_string) TextView mDataAsString;
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@InjectView(R.id.data_as_array) TextView mDataAsArray;
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@Override
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public void onServiceDisconnected(ComponentName componentName) {
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mBluetoothLeService = null;
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}
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};
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private boolean mConnected = false;
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// Handles various events fired by the Service.
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// ACTION_GATT_CONNECTED: connected to a GATT server.
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// ACTION_GATT_DISCONNECTED: disconnected from a GATT server.
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// ACTION_GATT_SERVICES_DISCOVERED: discovered GATT services.
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// ACTION_DATA_AVAILABLE: received data from the device. This can be a result of read
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// or notification operations.
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private final BroadcastReceiver mGattUpdateReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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final String action = intent.getAction();
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if (BluetoothLeService.ACTION_GATT_CONNECTED.equals(action)) {
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mConnected = true;
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updateConnectionState(R.string.connected);
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invalidateOptionsMenu();
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} else if (BluetoothLeService.ACTION_GATT_DISCONNECTED.equals(action)) {
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mConnected = false;
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updateConnectionState(R.string.disconnected);
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invalidateOptionsMenu();
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clearUI();
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} else if (BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED.equals(action)) {
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// Show all the supported services and characteristics on the user interface.
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displayGattServices(mBluetoothLeService.getSupportedGattServices());
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} else if (BluetoothLeService.ACTION_DATA_AVAILABLE.equals(action)) {
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displayData(intent.getStringExtra(BluetoothLeService.EXTRA_DATA));
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}
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}
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};
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// Code to manage Service lifecycle.
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private final ServiceConnection mServiceConnection = new ServiceConnection() {
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@Override
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public void onServiceConnected(ComponentName componentName, IBinder service) {
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mBluetoothLeService = ((BluetoothLeService.LocalBinder) service).getService();
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if (!mBluetoothLeService.initialize()) {
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Log.e(TAG, "Unable to initialize Bluetooth");
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finish();
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}
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// Automatically connects to the device upon successful start-up initialization.
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mBluetoothLeService.connect(mDeviceAddress);
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}
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// If a given GATT characteristic is selected, check for supported features. This sample
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// demonstrates 'Read' and 'Notify' features. See
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// http://d.android.com/reference/android/bluetooth/BluetoothGatt.html for the complete
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// list of supported characteristic features.
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private final ExpandableListView.OnChildClickListener servicesListClickListner =
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new ExpandableListView.OnChildClickListener() {
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@Override
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public boolean onChildClick(ExpandableListView parent, View v, int groupPosition,
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int childPosition, long id) {
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if (mGattCharacteristics != null) {
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final BluetoothGattCharacteristic characteristic =
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mGattCharacteristics.get(groupPosition).get(childPosition);
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final int charaProp = characteristic.getProperties();
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if ((charaProp | BluetoothGattCharacteristic.PROPERTY_READ) > 0) {
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// If there is an active notification on a characteristic, clear
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// it first so it doesn't update the data field on the user interface.
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if (mNotifyCharacteristic != null) {
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mBluetoothLeService.setCharacteristicNotification(
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mNotifyCharacteristic, false);
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mNotifyCharacteristic = null;
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}
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mBluetoothLeService.readCharacteristic(characteristic);
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}
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if ((charaProp | BluetoothGattCharacteristic.PROPERTY_NOTIFY) > 0) {
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mNotifyCharacteristic = characteristic;
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mBluetoothLeService.setCharacteristicNotification(
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characteristic, true);
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}
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return true;
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}
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return false;
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}
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};
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@Override
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public void onServiceDisconnected(ComponentName componentName) {
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mBluetoothLeService = null;
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}
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};
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private void clearUI() {
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mGattServicesList.setAdapter((SimpleExpandableListAdapter) null);
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mDataField.setText(R.string.no_data);
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}
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// Handles various events fired by the Service.
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// ACTION_GATT_CONNECTED: connected to a GATT server.
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// ACTION_GATT_DISCONNECTED: disconnected from a GATT server.
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// ACTION_GATT_SERVICES_DISCOVERED: discovered GATT services.
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// ACTION_DATA_AVAILABLE: received data from the device.
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// this can be a result of read or notification operations.
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private final BroadcastReceiver mGattUpdateReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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final String action = intent.getAction();
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if (BluetoothLeService.ACTION_GATT_CONNECTED.equals(action)) {
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mConnected = true;
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updateConnectionState(R.string.connected);
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invalidateOptionsMenu();
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} else if (BluetoothLeService.ACTION_GATT_DISCONNECTED.equals(action)) {
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mConnected = false;
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updateConnectionState(R.string.disconnected);
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invalidateOptionsMenu();
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clearUI();
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} else if (BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED.equals(action)) {
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// Show all the supported services and characteristics on the user interface.
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displayGattServices(mBluetoothLeService.getSupportedGattServices());
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} else if (BluetoothLeService.ACTION_DATA_AVAILABLE.equals(action)) {
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final String noData = getString(R.string.no_data);
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final String uuid = intent.getStringExtra(BluetoothLeService.EXTRA_UUID_CHAR);
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final byte[] dataArr = intent.getByteArrayExtra(BluetoothLeService.EXTRA_DATA_RAW);
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_gatt_services);
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mGattUUID.setText(tryString(uuid, noData));
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mGattUUIDDesc.setText(GattAttributeResolver.getAttributeName(uuid, getString(R.string.unknown)));
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mDataAsArray.setText(ByteUtils.byteArrayToHexString(dataArr));
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mDataAsString.setText(new String(dataArr));
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}
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}
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};
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final Intent intent = getIntent();
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mDeviceName = intent.getStringExtra(EXTRAS_DEVICE_NAME);
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mDeviceAddress = intent.getStringExtra(EXTRAS_DEVICE_ADDRESS);
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// If a given GATT characteristic is selected, check for supported features. This sample
|
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// demonstrates 'Read' and 'Notify' features. See
|
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// http://d.android.com/reference/android/bluetooth/BluetoothGatt.html for the complete
|
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// list of supported characteristic features.
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private final ExpandableListView.OnChildClickListener servicesListClickListner = new ExpandableListView.OnChildClickListener() {
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@Override
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public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) {
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if (mGattCharacteristics != null) {
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final BluetoothGattCharacteristic characteristic = mGattCharacteristics.get(groupPosition).get(childPosition);
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final int charaProp = characteristic.getProperties();
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if ((charaProp | BluetoothGattCharacteristic.PROPERTY_READ) > 0) {
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// If there is an active notification on a characteristic, clear
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// it first so it doesn't update the data field on the user interface.
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if (mNotifyCharacteristic != null) {
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mBluetoothLeService.setCharacteristicNotification(mNotifyCharacteristic, false);
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mNotifyCharacteristic = null;
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}
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mBluetoothLeService.readCharacteristic(characteristic);
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}
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if ((charaProp | BluetoothGattCharacteristic.PROPERTY_NOTIFY) > 0) {
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mNotifyCharacteristic = characteristic;
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mBluetoothLeService.setCharacteristicNotification(characteristic, true);
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}
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return true;
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}
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return false;
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}
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};
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// Sets up UI references.
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((TextView) findViewById(R.id.device_address)).setText(mDeviceAddress);
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mGattServicesList = (ExpandableListView) findViewById(R.id.gatt_services_list);
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mGattServicesList.setOnChildClickListener(servicesListClickListner);
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mConnectionState = (TextView) findViewById(R.id.connection_state);
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mDataField = (TextView) findViewById(R.id.data_value);
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getActionBar().setTitle(mDeviceName);
|
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getActionBar().setDisplayHomeAsUpEnabled(true);
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Intent gattServiceIntent = new Intent(this, BluetoothLeService.class);
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bindService(gattServiceIntent, mServiceConnection, BIND_AUTO_CREATE);
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}
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private void clearUI() {
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mGattServicesList.setAdapter((SimpleExpandableListAdapter) null);
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mGattUUID.setText(R.string.no_data);
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mGattUUIDDesc.setText(R.string.no_data);
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mDataAsArray.setText(R.string.no_data);
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mDataAsString.setText(R.string.no_data);
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@Override
|
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protected void onResume() {
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super.onResume();
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||||
registerReceiver(mGattUpdateReceiver, makeGattUpdateIntentFilter());
|
||||
if (mBluetoothLeService != null) {
|
||||
final boolean result = mBluetoothLeService.connect(mDeviceAddress);
|
||||
Log.d(TAG, "Connect request result=" + result);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onPause() {
|
||||
super.onPause();
|
||||
unregisterReceiver(mGattUpdateReceiver);
|
||||
}
|
||||
// Demonstrates how to iterate through the supported GATT Services/Characteristics.
|
||||
// In this sample, we populate the data structure that is bound to the ExpandableListView
|
||||
// on the UI.
|
||||
private void displayGattServices(List<BluetoothGattService> gattServices) {
|
||||
if (gattServices == null) return;
|
||||
String uuid = null;
|
||||
final String unknownServiceString = getResources().getString(R.string.unknown_service);
|
||||
final String unknownCharaString = getResources().getString(R.string.unknown_characteristic);
|
||||
final List<Map<String, String>> gattServiceData = new ArrayList<Map<String, String>>();
|
||||
final List<List<Map<String, String>>> gattCharacteristicData = new ArrayList<List<Map<String, String>>>();
|
||||
mGattCharacteristics = new ArrayList<List<BluetoothGattCharacteristic>>();
|
||||
|
||||
@Override
|
||||
protected void onDestroy() {
|
||||
super.onDestroy();
|
||||
unbindService(mServiceConnection);
|
||||
mBluetoothLeService = null;
|
||||
}
|
||||
// Loops through available GATT Services.
|
||||
for (BluetoothGattService gattService : gattServices) {
|
||||
final Map<String, String> currentServiceData = new HashMap<String, String>();
|
||||
uuid = gattService.getUuid().toString();
|
||||
currentServiceData.put(LIST_NAME, GattAttributeResolver.getAttributeName(uuid, unknownServiceString));
|
||||
currentServiceData.put(LIST_UUID, uuid);
|
||||
gattServiceData.add(currentServiceData);
|
||||
|
||||
@Override
|
||||
public boolean onCreateOptionsMenu(Menu menu) {
|
||||
getMenuInflater().inflate(R.menu.gatt_services, menu);
|
||||
if (mConnected) {
|
||||
menu.findItem(R.id.menu_connect).setVisible(false);
|
||||
menu.findItem(R.id.menu_disconnect).setVisible(true);
|
||||
} else {
|
||||
menu.findItem(R.id.menu_connect).setVisible(true);
|
||||
menu.findItem(R.id.menu_disconnect).setVisible(false);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
final List<Map<String, String>> gattCharacteristicGroupData = new ArrayList<Map<String, String>>();
|
||||
final List<BluetoothGattCharacteristic> gattCharacteristics = gattService.getCharacteristics();
|
||||
final List<BluetoothGattCharacteristic> charas = new ArrayList<BluetoothGattCharacteristic>();
|
||||
|
||||
@Override
|
||||
public boolean onOptionsItemSelected(MenuItem item) {
|
||||
switch(item.getItemId()) {
|
||||
case R.id.menu_connect:
|
||||
mBluetoothLeService.connect(mDeviceAddress);
|
||||
return true;
|
||||
case R.id.menu_disconnect:
|
||||
mBluetoothLeService.disconnect();
|
||||
return true;
|
||||
case android.R.id.home:
|
||||
onBackPressed();
|
||||
return true;
|
||||
}
|
||||
return super.onOptionsItemSelected(item);
|
||||
}
|
||||
// Loops through available Characteristics.
|
||||
for (final BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
|
||||
charas.add(gattCharacteristic);
|
||||
final Map<String, String> currentCharaData = new HashMap<String, String>();
|
||||
uuid = gattCharacteristic.getUuid().toString();
|
||||
currentCharaData.put(LIST_NAME, GattAttributeResolver.getAttributeName(uuid, unknownCharaString));
|
||||
currentCharaData.put(LIST_UUID, uuid);
|
||||
gattCharacteristicGroupData.add(currentCharaData);
|
||||
}
|
||||
mGattCharacteristics.add(charas);
|
||||
gattCharacteristicData.add(gattCharacteristicGroupData);
|
||||
}
|
||||
|
||||
private void updateConnectionState(final int resourceId) {
|
||||
runOnUiThread(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
mConnectionState.setText(resourceId);
|
||||
}
|
||||
});
|
||||
}
|
||||
final SimpleExpandableListAdapter gattServiceAdapter = new SimpleExpandableListAdapter(
|
||||
this,
|
||||
gattServiceData,
|
||||
android.R.layout.simple_expandable_list_item_2,
|
||||
new String[] {LIST_NAME, LIST_UUID},
|
||||
new int[] { android.R.id.text1, android.R.id.text2 },
|
||||
gattCharacteristicData,
|
||||
android.R.layout.simple_expandable_list_item_2,
|
||||
new String[] {LIST_NAME, LIST_UUID},
|
||||
new int[] { android.R.id.text1, android.R.id.text2 }
|
||||
);
|
||||
mGattServicesList.setAdapter(gattServiceAdapter);
|
||||
}
|
||||
|
||||
private void displayData(String data) {
|
||||
if (data != null) {
|
||||
mDataField.setText(data);
|
||||
}
|
||||
}
|
||||
@Override
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
setContentView(R.layout.activity_gatt_services);
|
||||
|
||||
// Demonstrates how to iterate through the supported GATT Services/Characteristics.
|
||||
// In this sample, we populate the data structure that is bound to the ExpandableListView
|
||||
// on the UI.
|
||||
private void displayGattServices(List<BluetoothGattService> gattServices) {
|
||||
if (gattServices == null) return;
|
||||
String uuid = null;
|
||||
String unknownServiceString = getResources().getString(R.string.unknown_service);
|
||||
String unknownCharaString = getResources().getString(R.string.unknown_characteristic);
|
||||
ArrayList<HashMap<String, String>> gattServiceData = new ArrayList<HashMap<String, String>>();
|
||||
ArrayList<ArrayList<HashMap<String, String>>> gattCharacteristicData
|
||||
= new ArrayList<ArrayList<HashMap<String, String>>>();
|
||||
mGattCharacteristics = new ArrayList<ArrayList<BluetoothGattCharacteristic>>();
|
||||
final Intent intent = getIntent();
|
||||
mDeviceName = intent.getStringExtra(EXTRAS_DEVICE_NAME);
|
||||
mDeviceAddress = intent.getStringExtra(EXTRAS_DEVICE_ADDRESS);
|
||||
|
||||
// Loops through available GATT Services.
|
||||
for (BluetoothGattService gattService : gattServices) {
|
||||
HashMap<String, String> currentServiceData = new HashMap<String, String>();
|
||||
uuid = gattService.getUuid().toString();
|
||||
currentServiceData.put(
|
||||
LIST_NAME, GattAttributeResolver.getAttributeName(uuid, unknownServiceString));
|
||||
currentServiceData.put(LIST_UUID, uuid);
|
||||
gattServiceData.add(currentServiceData);
|
||||
ButterKnife.inject(this);
|
||||
|
||||
ArrayList<HashMap<String, String>> gattCharacteristicGroupData =
|
||||
new ArrayList<HashMap<String, String>>();
|
||||
List<BluetoothGattCharacteristic> gattCharacteristics =
|
||||
gattService.getCharacteristics();
|
||||
ArrayList<BluetoothGattCharacteristic> charas =
|
||||
new ArrayList<BluetoothGattCharacteristic>();
|
||||
// Sets up UI references.
|
||||
((TextView) findViewById(R.id.device_address)).setText(mDeviceAddress);
|
||||
mGattServicesList.setOnChildClickListener(servicesListClickListner);
|
||||
|
||||
// Loops through available Characteristics.
|
||||
for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
|
||||
charas.add(gattCharacteristic);
|
||||
HashMap<String, String> currentCharaData = new HashMap<String, String>();
|
||||
uuid = gattCharacteristic.getUuid().toString();
|
||||
currentCharaData.put(
|
||||
LIST_NAME, GattAttributeResolver.getAttributeName(uuid, unknownCharaString));
|
||||
currentCharaData.put(LIST_UUID, uuid);
|
||||
gattCharacteristicGroupData.add(currentCharaData);
|
||||
}
|
||||
mGattCharacteristics.add(charas);
|
||||
gattCharacteristicData.add(gattCharacteristicGroupData);
|
||||
}
|
||||
getActionBar().setTitle(mDeviceName);
|
||||
getActionBar().setDisplayHomeAsUpEnabled(true);
|
||||
|
||||
SimpleExpandableListAdapter gattServiceAdapter = new SimpleExpandableListAdapter(
|
||||
this,
|
||||
gattServiceData,
|
||||
android.R.layout.simple_expandable_list_item_2,
|
||||
new String[] {LIST_NAME, LIST_UUID},
|
||||
new int[] { android.R.id.text1, android.R.id.text2 },
|
||||
gattCharacteristicData,
|
||||
android.R.layout.simple_expandable_list_item_2,
|
||||
new String[] {LIST_NAME, LIST_UUID},
|
||||
new int[] { android.R.id.text1, android.R.id.text2 }
|
||||
);
|
||||
mGattServicesList.setAdapter(gattServiceAdapter);
|
||||
}
|
||||
final Intent gattServiceIntent = new Intent(this, BluetoothLeService.class);
|
||||
bindService(gattServiceIntent, mServiceConnection, BIND_AUTO_CREATE);
|
||||
}
|
||||
|
||||
private static IntentFilter makeGattUpdateIntentFilter() {
|
||||
final IntentFilter intentFilter = new IntentFilter();
|
||||
intentFilter.addAction(BluetoothLeService.ACTION_GATT_CONNECTED);
|
||||
intentFilter.addAction(BluetoothLeService.ACTION_GATT_DISCONNECTED);
|
||||
intentFilter.addAction(BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED);
|
||||
intentFilter.addAction(BluetoothLeService.ACTION_DATA_AVAILABLE);
|
||||
return intentFilter;
|
||||
}
|
||||
@Override
|
||||
public boolean onCreateOptionsMenu(Menu menu) {
|
||||
getMenuInflater().inflate(R.menu.gatt_services, menu);
|
||||
if (mConnected) {
|
||||
menu.findItem(R.id.menu_connect).setVisible(false);
|
||||
menu.findItem(R.id.menu_disconnect).setVisible(true);
|
||||
} else {
|
||||
menu.findItem(R.id.menu_connect).setVisible(true);
|
||||
menu.findItem(R.id.menu_disconnect).setVisible(false);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onDestroy() {
|
||||
super.onDestroy();
|
||||
unbindService(mServiceConnection);
|
||||
mBluetoothLeService = null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onOptionsItemSelected(MenuItem item) {
|
||||
switch(item.getItemId()) {
|
||||
case R.id.menu_connect:
|
||||
mBluetoothLeService.connect(mDeviceAddress);
|
||||
return true;
|
||||
case R.id.menu_disconnect:
|
||||
mBluetoothLeService.disconnect();
|
||||
return true;
|
||||
case android.R.id.home:
|
||||
onBackPressed();
|
||||
return true;
|
||||
}
|
||||
return super.onOptionsItemSelected(item);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onPause() {
|
||||
super.onPause();
|
||||
unregisterReceiver(mGattUpdateReceiver);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onResume() {
|
||||
super.onResume();
|
||||
registerReceiver(mGattUpdateReceiver, makeGattUpdateIntentFilter());
|
||||
if (mBluetoothLeService != null) {
|
||||
final boolean result = mBluetoothLeService.connect(mDeviceAddress);
|
||||
Log.d(TAG, "Connect request result=" + result);
|
||||
}
|
||||
}
|
||||
|
||||
private void updateConnectionState(final int resourceId) {
|
||||
runOnUiThread(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
final int colourId;
|
||||
|
||||
switch(resourceId){
|
||||
case R.string.connected:
|
||||
colourId = android.R.color.holo_green_dark;
|
||||
break;
|
||||
case R.string.disconnected:
|
||||
colourId = android.R.color.holo_red_dark;
|
||||
break;
|
||||
default:
|
||||
colourId = android.R.color.black;
|
||||
break;
|
||||
}
|
||||
|
||||
mConnectionState.setText(resourceId);
|
||||
mConnectionState.setTextColor(getResources().getColor(colourId));
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
private static IntentFilter makeGattUpdateIntentFilter() {
|
||||
final IntentFilter intentFilter = new IntentFilter();
|
||||
intentFilter.addAction(BluetoothLeService.ACTION_GATT_CONNECTED);
|
||||
intentFilter.addAction(BluetoothLeService.ACTION_GATT_DISCONNECTED);
|
||||
intentFilter.addAction(BluetoothLeService.ACTION_GATT_SERVICES_DISCOVERED);
|
||||
intentFilter.addAction(BluetoothLeService.ACTION_DATA_AVAILABLE);
|
||||
return intentFilter;
|
||||
}
|
||||
|
||||
private static String tryString(String string, String fallback){
|
||||
if(string == null){
|
||||
return fallback;
|
||||
} else{
|
||||
return string;
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -17,16 +17,13 @@
|
||||
package uk.co.alt236.btlescan.services;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.UUID;
|
||||
|
||||
import uk.co.alt236.bluetoothlelib.resolvers.GattAttributeResolver;
|
||||
import android.app.Service;
|
||||
import android.bluetooth.BluetoothAdapter;
|
||||
import android.bluetooth.BluetoothDevice;
|
||||
import android.bluetooth.BluetoothGatt;
|
||||
import android.bluetooth.BluetoothGattCallback;
|
||||
import android.bluetooth.BluetoothGattCharacteristic;
|
||||
import android.bluetooth.BluetoothGattDescriptor;
|
||||
import android.bluetooth.BluetoothGattService;
|
||||
import android.bluetooth.BluetoothManager;
|
||||
import android.bluetooth.BluetoothProfile;
|
||||
@@ -41,280 +38,242 @@ import android.util.Log;
|
||||
* given Bluetooth LE device.
|
||||
*/
|
||||
public class BluetoothLeService extends Service {
|
||||
private final static String TAG = BluetoothLeService.class.getSimpleName();
|
||||
private final static String TAG = BluetoothLeService.class.getSimpleName();
|
||||
|
||||
private BluetoothManager mBluetoothManager;
|
||||
private BluetoothAdapter mBluetoothAdapter;
|
||||
private String mBluetoothDeviceAddress;
|
||||
private BluetoothGatt mBluetoothGatt;
|
||||
private int mConnectionState = STATE_DISCONNECTED;
|
||||
private BluetoothManager mBluetoothManager;
|
||||
private BluetoothAdapter mBluetoothAdapter;
|
||||
private String mBluetoothDeviceAddress;
|
||||
private BluetoothGatt mBluetoothGatt;
|
||||
private int mConnectionState = STATE_DISCONNECTED;
|
||||
|
||||
private static final int STATE_DISCONNECTED = 0;
|
||||
private static final int STATE_CONNECTING = 1;
|
||||
private static final int STATE_CONNECTED = 2;
|
||||
private static final int STATE_DISCONNECTED = 0;
|
||||
private static final int STATE_CONNECTING = 1;
|
||||
private static final int STATE_CONNECTED = 2;
|
||||
|
||||
public final static String ACTION_GATT_CONNECTED =
|
||||
"com.example.bluetooth.le.ACTION_GATT_CONNECTED";
|
||||
public final static String ACTION_GATT_DISCONNECTED =
|
||||
"com.example.bluetooth.le.ACTION_GATT_DISCONNECTED";
|
||||
public final static String ACTION_GATT_SERVICES_DISCOVERED =
|
||||
"com.example.bluetooth.le.ACTION_GATT_SERVICES_DISCOVERED";
|
||||
public final static String ACTION_DATA_AVAILABLE =
|
||||
"com.example.bluetooth.le.ACTION_DATA_AVAILABLE";
|
||||
public final static String EXTRA_DATA =
|
||||
"com.example.bluetooth.le.EXTRA_DATA";
|
||||
public final static String ACTION_GATT_CONNECTED = "com.example.bluetooth.le.ACTION_GATT_CONNECTED";
|
||||
public final static String ACTION_GATT_DISCONNECTED = "com.example.bluetooth.le.ACTION_GATT_DISCONNECTED";
|
||||
public final static String ACTION_GATT_SERVICES_DISCOVERED = "com.example.bluetooth.le.ACTION_GATT_SERVICES_DISCOVERED";
|
||||
public final static String ACTION_DATA_AVAILABLE = "com.example.bluetooth.le.ACTION_DATA_AVAILABLE";
|
||||
public final static String EXTRA_DATA_RAW = "com.example.bluetooth.le.EXTRA_DATA_RAW";
|
||||
public final static String EXTRA_UUID_CHAR = "com.example.bluetooth.le.EXTRA_UUID_CHAR";
|
||||
|
||||
public final static UUID UUID_HEART_RATE_MEASUREMENT =
|
||||
UUID.fromString(GattAttributeResolver.HEART_RATE_MEASUREMENT);
|
||||
// Implements callback methods for GATT events that the app cares about. For example,
|
||||
// connection change and services discovered.
|
||||
private final BluetoothGattCallback mGattCallback = new BluetoothGattCallback() {
|
||||
@Override
|
||||
public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
|
||||
String intentAction;
|
||||
if (newState == BluetoothProfile.STATE_CONNECTED) {
|
||||
intentAction = ACTION_GATT_CONNECTED;
|
||||
mConnectionState = STATE_CONNECTED;
|
||||
broadcastUpdate(intentAction);
|
||||
Log.i(TAG, "Connected to GATT server.");
|
||||
// Attempts to discover services after successful connection.
|
||||
Log.i(TAG, "Attempting to start service discovery:" + mBluetoothGatt.discoverServices());
|
||||
|
||||
// Implements callback methods for GATT events that the app cares about. For example,
|
||||
// connection change and services discovered.
|
||||
private final BluetoothGattCallback mGattCallback = new BluetoothGattCallback() {
|
||||
@Override
|
||||
public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
|
||||
String intentAction;
|
||||
if (newState == BluetoothProfile.STATE_CONNECTED) {
|
||||
intentAction = ACTION_GATT_CONNECTED;
|
||||
mConnectionState = STATE_CONNECTED;
|
||||
broadcastUpdate(intentAction);
|
||||
Log.i(TAG, "Connected to GATT server.");
|
||||
// Attempts to discover services after successful connection.
|
||||
Log.i(TAG, "Attempting to start service discovery:" +
|
||||
mBluetoothGatt.discoverServices());
|
||||
} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
|
||||
intentAction = ACTION_GATT_DISCONNECTED;
|
||||
mConnectionState = STATE_DISCONNECTED;
|
||||
Log.i(TAG, "Disconnected from GATT server.");
|
||||
broadcastUpdate(intentAction);
|
||||
}
|
||||
}
|
||||
|
||||
} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
|
||||
intentAction = ACTION_GATT_DISCONNECTED;
|
||||
mConnectionState = STATE_DISCONNECTED;
|
||||
Log.i(TAG, "Disconnected from GATT server.");
|
||||
broadcastUpdate(intentAction);
|
||||
}
|
||||
}
|
||||
@Override
|
||||
public void onServicesDiscovered(BluetoothGatt gatt, int status) {
|
||||
if (status == BluetoothGatt.GATT_SUCCESS) {
|
||||
broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);
|
||||
} else {
|
||||
Log.w(TAG, "onServicesDiscovered received: " + status);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onServicesDiscovered(BluetoothGatt gatt, int status) {
|
||||
if (status == BluetoothGatt.GATT_SUCCESS) {
|
||||
broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);
|
||||
} else {
|
||||
Log.w(TAG, "onServicesDiscovered received: " + status);
|
||||
}
|
||||
}
|
||||
@Override
|
||||
public void onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
|
||||
if (status == BluetoothGatt.GATT_SUCCESS) {
|
||||
broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onCharacteristicRead(BluetoothGatt gatt,
|
||||
BluetoothGattCharacteristic characteristic,
|
||||
int status) {
|
||||
if (status == BluetoothGatt.GATT_SUCCESS) {
|
||||
broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
|
||||
}
|
||||
}
|
||||
@Override
|
||||
public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
|
||||
broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
|
||||
}
|
||||
};
|
||||
|
||||
@Override
|
||||
public void onCharacteristicChanged(BluetoothGatt gatt,
|
||||
BluetoothGattCharacteristic characteristic) {
|
||||
broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
|
||||
}
|
||||
};
|
||||
private void broadcastUpdate(final String action) {
|
||||
final Intent intent = new Intent(action);
|
||||
sendBroadcast(intent);
|
||||
}
|
||||
|
||||
private void broadcastUpdate(final String action) {
|
||||
final Intent intent = new Intent(action);
|
||||
sendBroadcast(intent);
|
||||
}
|
||||
private void broadcastUpdate(final String action, final BluetoothGattCharacteristic characteristic) {
|
||||
final Intent intent = new Intent(action);
|
||||
intent.putExtra(EXTRA_UUID_CHAR, characteristic.getUuid().toString());
|
||||
|
||||
private void broadcastUpdate(final String action,
|
||||
final BluetoothGattCharacteristic characteristic) {
|
||||
final Intent intent = new Intent(action);
|
||||
// Always try to add the RAW value
|
||||
final byte[] data = characteristic.getValue();
|
||||
if (data != null && data.length > 0) {
|
||||
intent.putExtra(EXTRA_DATA_RAW, data);
|
||||
}
|
||||
|
||||
// This is special handling for the Heart Rate Measurement profile. Data parsing is
|
||||
// carried out as per profile specifications:
|
||||
// http://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml
|
||||
if (UUID_HEART_RATE_MEASUREMENT.equals(characteristic.getUuid())) {
|
||||
int flag = characteristic.getProperties();
|
||||
int format = -1;
|
||||
if ((flag & 0x01) != 0) {
|
||||
format = BluetoothGattCharacteristic.FORMAT_UINT16;
|
||||
Log.d(TAG, "Heart rate format UINT16.");
|
||||
} else {
|
||||
format = BluetoothGattCharacteristic.FORMAT_UINT8;
|
||||
Log.d(TAG, "Heart rate format UINT8.");
|
||||
}
|
||||
final int heartRate = characteristic.getIntValue(format, 1);
|
||||
Log.d(TAG, String.format("Received heart rate: %d", heartRate));
|
||||
intent.putExtra(EXTRA_DATA, String.valueOf(heartRate));
|
||||
} else {
|
||||
// For all other profiles, writes the data formatted in HEX.
|
||||
final byte[] data = characteristic.getValue();
|
||||
if (data != null && data.length > 0) {
|
||||
final StringBuilder stringBuilder = new StringBuilder(data.length);
|
||||
for(byte byteChar : data)
|
||||
stringBuilder.append(String.format("%02X ", byteChar));
|
||||
intent.putExtra(EXTRA_DATA, new String(data) + "\n" + stringBuilder.toString());
|
||||
}
|
||||
}
|
||||
sendBroadcast(intent);
|
||||
}
|
||||
sendBroadcast(intent);
|
||||
}
|
||||
|
||||
public class LocalBinder extends Binder {
|
||||
public BluetoothLeService getService() {
|
||||
return BluetoothLeService.this;
|
||||
}
|
||||
}
|
||||
public class LocalBinder extends Binder {
|
||||
public BluetoothLeService getService() {
|
||||
return BluetoothLeService.this;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public IBinder onBind(Intent intent) {
|
||||
return mBinder;
|
||||
}
|
||||
@Override
|
||||
public IBinder onBind(Intent intent) {
|
||||
return mBinder;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onUnbind(Intent intent) {
|
||||
// After using a given device, you should make sure that BluetoothGatt.close() is called
|
||||
// such that resources are cleaned up properly. In this particular example, close() is
|
||||
// invoked when the UI is disconnected from the Service.
|
||||
close();
|
||||
return super.onUnbind(intent);
|
||||
}
|
||||
@Override
|
||||
public boolean onUnbind(Intent intent) {
|
||||
// After using a given device, you should make sure that BluetoothGatt.close() is called
|
||||
// such that resources are cleaned up properly. In this particular example, close() is
|
||||
// invoked when the UI is disconnected from the Service.
|
||||
close();
|
||||
return super.onUnbind(intent);
|
||||
}
|
||||
|
||||
private final IBinder mBinder = new LocalBinder();
|
||||
private final IBinder mBinder = new LocalBinder();
|
||||
|
||||
/**
|
||||
* Initializes a reference to the local Bluetooth adapter.
|
||||
*
|
||||
* @return Return true if the initialization is successful.
|
||||
*/
|
||||
public boolean initialize() {
|
||||
// For API level 18 and above, get a reference to BluetoothAdapter through
|
||||
// BluetoothManager.
|
||||
if (mBluetoothManager == null) {
|
||||
mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
|
||||
if (mBluetoothManager == null) {
|
||||
Log.e(TAG, "Unable to initialize BluetoothManager.");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Initializes a reference to the local Bluetooth adapter.
|
||||
*
|
||||
* @return Return true if the initialization is successful.
|
||||
*/
|
||||
public boolean initialize() {
|
||||
// For API level 18 and above, get a reference to BluetoothAdapter through
|
||||
// BluetoothManager.
|
||||
if (mBluetoothManager == null) {
|
||||
mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
|
||||
if (mBluetoothManager == null) {
|
||||
Log.e(TAG, "Unable to initialize BluetoothManager.");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
mBluetoothAdapter = mBluetoothManager.getAdapter();
|
||||
if (mBluetoothAdapter == null) {
|
||||
Log.e(TAG, "Unable to obtain a BluetoothAdapter.");
|
||||
return false;
|
||||
}
|
||||
mBluetoothAdapter = mBluetoothManager.getAdapter();
|
||||
if (mBluetoothAdapter == null) {
|
||||
Log.e(TAG, "Unable to obtain a BluetoothAdapter.");
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Connects to the GATT server hosted on the Bluetooth LE device.
|
||||
*
|
||||
* @param address The device address of the destination device.
|
||||
*
|
||||
* @return Return true if the connection is initiated successfully. The connection result
|
||||
* is reported asynchronously through the
|
||||
* {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
|
||||
* callback.
|
||||
*/
|
||||
public boolean connect(final String address) {
|
||||
if (mBluetoothAdapter == null || address == null) {
|
||||
Log.w(TAG, "BluetoothAdapter not initialized or unspecified address.");
|
||||
return false;
|
||||
}
|
||||
/**
|
||||
* Connects to the GATT server hosted on the Bluetooth LE device.
|
||||
*
|
||||
* @param address The device address of the destination device.
|
||||
*
|
||||
* @return Return true if the connection is initiated successfully. The connection result
|
||||
* is reported asynchronously through the
|
||||
* {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
|
||||
* callback.
|
||||
*/
|
||||
public boolean connect(final String address) {
|
||||
if (mBluetoothAdapter == null || address == null) {
|
||||
Log.w(TAG, "BluetoothAdapter not initialized or unspecified address.");
|
||||
return false;
|
||||
}
|
||||
|
||||
// Previously connected device. Try to reconnect.
|
||||
if (mBluetoothDeviceAddress != null && address.equals(mBluetoothDeviceAddress)
|
||||
&& mBluetoothGatt != null) {
|
||||
Log.d(TAG, "Trying to use an existing mBluetoothGatt for connection.");
|
||||
if (mBluetoothGatt.connect()) {
|
||||
mConnectionState = STATE_CONNECTING;
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
// Previously connected device. Try to reconnect.
|
||||
if (mBluetoothDeviceAddress != null
|
||||
&& address.equals(mBluetoothDeviceAddress)
|
||||
&& mBluetoothGatt != null) {
|
||||
|
||||
final BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
|
||||
if (device == null) {
|
||||
Log.w(TAG, "Device not found. Unable to connect.");
|
||||
return false;
|
||||
}
|
||||
// We want to directly connect to the device, so we are setting the autoConnect
|
||||
// parameter to false.
|
||||
mBluetoothGatt = device.connectGatt(this, false, mGattCallback);
|
||||
Log.d(TAG, "Trying to create a new connection.");
|
||||
mBluetoothDeviceAddress = address;
|
||||
mConnectionState = STATE_CONNECTING;
|
||||
return true;
|
||||
}
|
||||
Log.d(TAG, "Trying to use an existing mBluetoothGatt for connection.");
|
||||
if (mBluetoothGatt.connect()) {
|
||||
mConnectionState = STATE_CONNECTING;
|
||||
return true;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Disconnects an existing connection or cancel a pending connection. The disconnection result
|
||||
* is reported asynchronously through the
|
||||
* {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
|
||||
* callback.
|
||||
*/
|
||||
public void disconnect() {
|
||||
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
|
||||
Log.w(TAG, "BluetoothAdapter not initialized");
|
||||
return;
|
||||
}
|
||||
mBluetoothGatt.disconnect();
|
||||
}
|
||||
final BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
|
||||
if (device == null) {
|
||||
Log.w(TAG, "Device not found. Unable to connect.");
|
||||
return false;
|
||||
}
|
||||
// We want to directly connect to the device, so we are setting the autoConnect
|
||||
// parameter to false.
|
||||
mBluetoothGatt = device.connectGatt(this, false, mGattCallback);
|
||||
Log.d(TAG, "Trying to create a new connection.");
|
||||
mBluetoothDeviceAddress = address;
|
||||
mConnectionState = STATE_CONNECTING;
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* After using a given BLE device, the app must call this method to ensure resources are
|
||||
* released properly.
|
||||
*/
|
||||
public void close() {
|
||||
if (mBluetoothGatt == null) {
|
||||
return;
|
||||
}
|
||||
mBluetoothGatt.close();
|
||||
mBluetoothGatt = null;
|
||||
}
|
||||
/**
|
||||
* Disconnects an existing connection or cancel a pending connection. The disconnection result
|
||||
* is reported asynchronously through the
|
||||
* {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
|
||||
* callback.
|
||||
*/
|
||||
public void disconnect() {
|
||||
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
|
||||
Log.w(TAG, "BluetoothAdapter not initialized");
|
||||
return;
|
||||
}
|
||||
mBluetoothGatt.disconnect();
|
||||
}
|
||||
|
||||
/**
|
||||
* Request a read on a given {@code BluetoothGattCharacteristic}. The read result is reported
|
||||
* asynchronously through the {@code BluetoothGattCallback#onCharacteristicRead(android.bluetooth.BluetoothGatt, android.bluetooth.BluetoothGattCharacteristic, int)}
|
||||
* callback.
|
||||
*
|
||||
* @param characteristic The characteristic to read from.
|
||||
*/
|
||||
public void readCharacteristic(BluetoothGattCharacteristic characteristic) {
|
||||
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
|
||||
Log.w(TAG, "BluetoothAdapter not initialized");
|
||||
return;
|
||||
}
|
||||
mBluetoothGatt.readCharacteristic(characteristic);
|
||||
}
|
||||
/**
|
||||
* After using a given BLE device, the app must call this method to ensure resources are
|
||||
* released properly.
|
||||
*/
|
||||
public void close() {
|
||||
if (mBluetoothGatt == null) {
|
||||
return;
|
||||
}
|
||||
mBluetoothGatt.close();
|
||||
mBluetoothGatt = null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Enables or disables notification on a give characteristic.
|
||||
*
|
||||
* @param characteristic Characteristic to act on.
|
||||
* @param enabled If true, enable notification. False otherwise.
|
||||
*/
|
||||
public void setCharacteristicNotification(BluetoothGattCharacteristic characteristic,
|
||||
boolean enabled) {
|
||||
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
|
||||
Log.w(TAG, "BluetoothAdapter not initialized");
|
||||
return;
|
||||
}
|
||||
mBluetoothGatt.setCharacteristicNotification(characteristic, enabled);
|
||||
/**
|
||||
* Request a read on a given {@code BluetoothGattCharacteristic}. The read result is reported
|
||||
* asynchronously through the {@code BluetoothGattCallback#onCharacteristicRead(android.bluetooth.BluetoothGatt, android.bluetooth.BluetoothGattCharacteristic, int)}
|
||||
* callback.
|
||||
*
|
||||
* @param characteristic The characteristic to read from.
|
||||
*/
|
||||
public void readCharacteristic(BluetoothGattCharacteristic characteristic) {
|
||||
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
|
||||
Log.w(TAG, "BluetoothAdapter not initialized");
|
||||
return;
|
||||
}
|
||||
mBluetoothGatt.readCharacteristic(characteristic);
|
||||
}
|
||||
|
||||
// This is specific to Heart Rate Measurement.
|
||||
if (UUID_HEART_RATE_MEASUREMENT.equals(characteristic.getUuid())) {
|
||||
BluetoothGattDescriptor descriptor = characteristic.getDescriptor(
|
||||
UUID.fromString(GattAttributeResolver.CLIENT_CHARACTERISTIC_CONFIG));
|
||||
descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
|
||||
mBluetoothGatt.writeDescriptor(descriptor);
|
||||
}
|
||||
}
|
||||
/**
|
||||
* Enables or disables notification on a give characteristic.
|
||||
*
|
||||
* @param characteristic Characteristic to act on.
|
||||
* @param enabled If true, enable notification. False otherwise.
|
||||
*/
|
||||
public void setCharacteristicNotification(BluetoothGattCharacteristic characteristic, boolean enabled) {
|
||||
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
|
||||
Log.w(TAG, "BluetoothAdapter not initialized");
|
||||
return;
|
||||
}
|
||||
mBluetoothGatt.setCharacteristicNotification(characteristic, enabled);
|
||||
}
|
||||
|
||||
/**
|
||||
* Retrieves a list of supported GATT services on the connected device. This should be
|
||||
* invoked only after {@code BluetoothGatt#discoverServices()} completes successfully.
|
||||
*
|
||||
* @return A {@code List} of supported services.
|
||||
*/
|
||||
public List<BluetoothGattService> getSupportedGattServices() {
|
||||
if (mBluetoothGatt == null) return null;
|
||||
/**
|
||||
* Retrieves a list of supported GATT services on the connected device. This should be
|
||||
* invoked only after {@code BluetoothGatt#discoverServices()} completes successfully.
|
||||
*
|
||||
* @return A {@code List} of supported services.
|
||||
*/
|
||||
public List<BluetoothGattService> getSupportedGattServices() {
|
||||
if (mBluetoothGatt == null) return null;
|
||||
|
||||
return mBluetoothGatt.getServices();
|
||||
}
|
||||
return mBluetoothGatt.getServices();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user