Optional refresh call through reflection

Add a method to call refresh on GATT through reflection and set
auto-reconnect to true.

README.md

@@ -146,6 +146,8 @@ You can also lookup values and convert them to human friendly strings:
 * v1.1.0:
 	* App refactor and materialisation.
 	* Added runtime permissions.
+* v1.1.1:
+    * Fix for [issue 23](https://github.com/alt236/Bluetooth-LE-Library---Android/issues/23)
 
 ## Permission Explanation
 You will need the following permissions to access the Bluetooth Hardware

library/library.iml

@@ -67,14 +67,6 @@
       <sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/src/main/shaders" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/shaders" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/res" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/assets" type="java-test-resource" />
@@ -83,7 +75,14 @@
       <sourceFolder url="file://$MODULE_DIR$/src/test/jni" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/rs" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/shaders" isTestSource="true" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/androidTest/shaders" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
@@ -92,6 +91,7 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-safeguard" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/lint" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/shaders" />
@@ -106,5 +106,6 @@
     <orderEntry type="library" exported="" scope="TEST" name="hamcrest-core-1.3" level="project" />
     <orderEntry type="library" exported="" scope="TEST" name="junit-4.12" level="project" />
     <orderEntry type="library" exported="" scope="TEST" name="mockito-core-1.9.5" level="project" />
+    <orderEntry type="library" exported="" name="android-android-24" level="project" />
   </component>
 </module>

sample_app/build.gradle

@@ -2,8 +2,8 @@ apply plugin: 'com.android.application'
 
 final int versionMajor = 1
 final int versionMinor = 1
-final int versionPatch = 0
+final int versionPatch = 1
-final int androidVersionCode = 6
+final int androidVersionCode = 7
 
 final int targetSdk = rootProject.targetSdkVersion;
 final int minSdkRed = rootProject.minSdkVersion;

sample_app/sample_app.iml

@@ -85,7 +85,6 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/builds" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/exploded-aar/com.android.support/animated-vector-drawable/24.2.0/jars" />
@@ -104,10 +103,10 @@
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-runtime-classes" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-safeguard" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-verifier" />
+      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant-run-resources" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/instant-run-support" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/manifests" />
-      <excludeFolder url="file://$MODULE_DIR$/build/intermediates/pre-dexed" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/reload-dex" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
       <excludeFolder url="file://$MODULE_DIR$/build/intermediates/restart-dex" />
@@ -138,6 +137,7 @@
     <orderEntry type="library" exported="" scope="TEST" name="junit-4.12" level="project" />
     <orderEntry type="library" exported="" name="easycursor-android-1.0.0" level="project" />
     <orderEntry type="module" module-name="library" exported="" />
+    <orderEntry type="library" exported="" name="android-android-24" level="project" />
     <orderEntry type="library" exported="" scope="TEST" name="objenesis-1.0" level="project" />
     <orderEntry type="library" exported="" scope="TEST" name="mockito-core-1.9.5" level="project" />
   </component>

sample_app/src/main/java/uk/co/alt236/btlescan/services/BluetoothLeService.java

@@ -31,6 +31,7 @@ import android.os.Binder;
 import android.os.IBinder;
 import android.util.Log;
 
+import java.lang.reflect.Method;
 import java.util.List;
 
 /**
@@ -176,7 +177,8 @@ public class BluetoothLeService extends Service {
                 // parameter to false.
 
                 Log.d(TAG, "Trying to create a new connection.");
-                mBluetoothGatt = device.connectGatt(this, false, mGattCallback);
+                mBluetoothGatt = device.connectGatt(this, true, mGattCallback);
+                //boolean v = refreshDeviceCache(mBluetoothGatt);
                 mBluetoothDeviceAddress = address;
                 setConnectionState(State.CONNECTING, true);
                 retVal = true;
@@ -186,6 +188,21 @@ public class BluetoothLeService extends Service {
         return retVal;
     }
 
+    private boolean refreshDeviceCache(BluetoothGatt gatt){
+        try {
+            BluetoothGatt localBluetoothGatt = gatt;
+            Method localMethod = localBluetoothGatt.getClass().getMethod("refresh", new Class[0]);
+            if (localMethod != null) {
+                boolean bool = ((Boolean) localMethod.invoke(localBluetoothGatt, new Object[0])).booleanValue();
+                return bool;
+            }
+        }
+        catch (Exception localException) {
+            Log.e(TAG, "An exception occured while refreshing device");
+        }
+        return false;
+    }
+
     private synchronized void setConnectionState(final State newState, final boolean broadCast) {
         Log.i(TAG, "Setting internal state to " + newState);
         mConnectionState = newState;

sample_app/src/main/java/uk/co/alt236/btlescan/ui/main/MainActivity.java

@@ -3,6 +3,7 @@ package uk.co.alt236.btlescan.ui.main;
 import android.Manifest;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
+import android.os.Build;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.v7.app.AppCompatActivity;
@@ -119,22 +120,7 @@ public class MainActivity extends AppCompatActivity {
     public boolean onOptionsItemSelected(final MenuItem item) {
         switch (item.getItemId()) {
             case R.id.menu_scan:
-                PermissionsManager.getInstance().requestPermissionsIfNecessaryForResult(this,
+                startScanPrepare();
-                        new String[]{Manifest.permission.ACCESS_COARSE_LOCATION}, new PermissionsResultAction() {
-
-                            @Override
-                            public void onGranted() {
-                                startScan();
-                            }
-
-                            @Override
-                            public void onDenied(String permission) {
-                                Toast.makeText(MainActivity.this,
-                                        R.string.permission_not_granted_coarse_location,
-                                        Toast.LENGTH_SHORT)
-                                        .show();
-                            }
-                        });
                 break;
             case R.id.menu_stop:
                 mScanner.scanLeDevice(-1, false);
@@ -174,9 +160,36 @@ public class MainActivity extends AppCompatActivity {
         invalidateOptionsMenu();
     }
 
+
+    private void startScanPrepare() {
+        //
+        // The COARSE_LOCATION permission is only needed after API 23 to do a BTLE scan
+        //
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            PermissionsManager.getInstance().requestPermissionsIfNecessaryForResult(this,
+                    new String[]{Manifest.permission.ACCESS_COARSE_LOCATION}, new PermissionsResultAction() {
+
+                        @Override
+                        public void onGranted() {
+                            startScan();
+                        }
+
+                        @Override
+                        public void onDenied(String permission) {
+                            Toast.makeText(MainActivity.this,
+                                    R.string.permission_not_granted_coarse_location,
+                                    Toast.LENGTH_SHORT)
+                                    .show();
+                        }
+                    });
+        } else {
+            startScan();
+        }
+    }
+
     private void startScan() {
-        final boolean mIsBluetoothOn = mBluetoothUtils.isBluetoothOn();
+        final boolean isBluetoothOn = mBluetoothUtils.isBluetoothOn();
-        final boolean mIsBluetoothLePresent = mBluetoothUtils.isBluetoothLeSupported();
+        final boolean isBluetoothLePresent = mBluetoothUtils.isBluetoothLeSupported();
         mDeviceStore.clear();
         updateItemCount(0);
 
@@ -184,7 +197,7 @@ public class MainActivity extends AppCompatActivity {
         mList.setAdapter(mRecyclerAdapter);
 
         mBluetoothUtils.askUserToEnableBluetoothIfNeeded();
-        if (mIsBluetoothOn && mIsBluetoothLePresent) {
+        if (isBluetoothOn && isBluetoothLePresent) {
             mScanner.scanLeDevice(-1, true);
             invalidateOptionsMenu();
         }