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Fixed CSV sharing

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This commit is contained in:
Alexandros Schillings
2016-08-31 19:56:09 +01:00
parent 7f15ea3d1e
commit 6f092344f5
6 changed files with 181 additions and 131 deletions
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128
sample_app/src/main/java/uk/co/alt236/btlescan/containers/BluetoothLeDeviceStore.java
View File

@@ -1,28 +1,13 @@
package uk.co.alt236.btlescan.containers;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import uk.co.alt236.bluetoothlelib.device.BluetoothLeDevice;
import uk.co.alt236.bluetoothlelib.device.beacon.BeaconType;
import uk.co.alt236.bluetoothlelib.device.beacon.BeaconUtils;
import uk.co.alt236.bluetoothlelib.device.beacon.ibeacon.IBeaconDevice;
import uk.co.alt236.bluetoothlelib.util.ByteUtils;
import uk.co.alt236.btlescan.R;
import uk.co.alt236.btlescan.util.CsvWriterHelper;
import uk.co.alt236.btlescan.util.TimeFormatter;
import uk.co.alt236.easycursor.objectcursor.EasyObjectCursor;
public class BluetoothLeDeviceStore {
@@ -65,117 +50,4 @@ public class BluetoothLeDeviceStore {
return methodResult;
}
private String getListAsCsv() {
final List<BluetoothLeDevice> list = getDeviceList();
final StringBuilder sb = new StringBuilder();
sb.append(CsvWriterHelper.addStuff("mac"));
sb.append(CsvWriterHelper.addStuff("name"));
sb.append(CsvWriterHelper.addStuff("firstTimestamp"));
sb.append(CsvWriterHelper.addStuff("firstRssi"));
sb.append(CsvWriterHelper.addStuff("currentTimestamp"));
sb.append(CsvWriterHelper.addStuff("currentRssi"));
sb.append(CsvWriterHelper.addStuff("adRecord"));
sb.append(CsvWriterHelper.addStuff("iBeacon"));
sb.append(CsvWriterHelper.addStuff("uuid"));
sb.append(CsvWriterHelper.addStuff("major"));
sb.append(CsvWriterHelper.addStuff("minor"));
sb.append(CsvWriterHelper.addStuff("txPower"));
sb.append(CsvWriterHelper.addStuff("distance"));
sb.append(CsvWriterHelper.addStuff("accuracy"));
sb.append('\n');
for (final BluetoothLeDevice device : list) {
sb.append(CsvWriterHelper.addStuff(device.getAddress()));
sb.append(CsvWriterHelper.addStuff(device.getName()));
sb.append(CsvWriterHelper.addStuff(TimeFormatter.getIsoDateTime(device.getFirstTimestamp())));
sb.append(CsvWriterHelper.addStuff(device.getFirstRssi()));
sb.append(CsvWriterHelper.addStuff(TimeFormatter.getIsoDateTime(device.getTimestamp())));
sb.append(CsvWriterHelper.addStuff(device.getRssi()));
sb.append(CsvWriterHelper.addStuff(ByteUtils.byteArrayToHexString(device.getScanRecord())));
final boolean isIBeacon = BeaconUtils.getBeaconType(device) == BeaconType.IBEACON;
final String uuid;
final String minor;
final String major;
final String txPower;
final String distance;
final String accuracy;
if (isIBeacon) {
final IBeaconDevice beacon = new IBeaconDevice(device);
uuid = String.valueOf(beacon.getUUID());
minor = String.valueOf(beacon.getMinor());
major = String.valueOf(beacon.getMajor());
txPower = String.valueOf(beacon.getCalibratedTxPower());
distance = beacon.getDistanceDescriptor().toString().toLowerCase(Locale.US);
accuracy = String.valueOf(beacon.getAccuracy());
} else {
uuid = "";
minor = "";
major = "";
txPower = "";
distance = "";
accuracy = "";
}
sb.append(CsvWriterHelper.addStuff(isIBeacon));
sb.append(CsvWriterHelper.addStuff(uuid));
sb.append(CsvWriterHelper.addStuff(minor));
sb.append(CsvWriterHelper.addStuff(major));
sb.append(CsvWriterHelper.addStuff(txPower));
sb.append(CsvWriterHelper.addStuff(distance));
sb.append(CsvWriterHelper.addStuff(accuracy));
sb.append('\n');
}
return sb.toString();
}
public void shareDataAsEmail(final Context context) {
final long timeInMillis = System.currentTimeMillis();
final String to = null;
final String subject = context.getString(
R.string.exporter_email_device_list_subject,
TimeFormatter.getIsoDateTime(timeInMillis));
final String message = context.getString(R.string.exporter_email_device_list_body);
final Intent i = new Intent(Intent.ACTION_SEND);
i.setType("plain/text");
try {
final File outputDir = context.getCacheDir();
final File outputFile = File.createTempFile("bluetooth_le_" + timeInMillis, ".csv", outputDir);
outputFile.setReadable(true, false);
generateFile(outputFile, getListAsCsv());
i.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(outputFile));
i.putExtra(Intent.EXTRA_EMAIL, new String[]{to});
i.putExtra(Intent.EXTRA_SUBJECT, subject);
i.putExtra(Intent.EXTRA_TEXT, message);
context.startActivity(Intent.createChooser(i, context.getString(R.string.exporter_email_device_list_picker_text)));
} catch (final IOException e) {
e.printStackTrace();
}
}
private static FileWriter generateFile(final File file, final String contents) {
FileWriter writer = null;
try {
writer = new FileWriter(file);
writer.append(contents);
writer.flush();
} catch (final IOException e) {
e.printStackTrace();
} finally {
try {
writer.close();
} catch (final IOException e) {
e.printStackTrace();
}
}
return writer;
}
}

16
sample_app/src/main/java/uk/co/alt236/btlescan/ui/common/Navigation.java
View File

@@ -2,9 +2,11 @@ package uk.co.alt236.btlescan.ui.common;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.support.v4.app.ActivityCompat;
import uk.co.alt236.bluetoothlelib.device.BluetoothLeDevice;
import uk.co.alt236.btlescan.R;
import uk.co.alt236.btlescan.ui.control.DeviceControlActivity;
import uk.co.alt236.btlescan.ui.details.DeviceDetailsActivity;
@@ -28,6 +30,20 @@ public class Navigation {
startActivity(intent);
}
public void shareFileViaEmail(final Uri fileUri, final String[] recipient, final String subject, final String message) {
final Intent intent = new Intent(Intent.ACTION_SEND);
intent.setType("plain/text");
intent.putExtra(Intent.EXTRA_STREAM, fileUri);
intent.putExtra(Intent.EXTRA_EMAIL, recipient);
intent.putExtra(Intent.EXTRA_SUBJECT, subject);
intent.putExtra(Intent.EXTRA_TEXT, message);
startActivity(Intent.createChooser(intent,
mActivity.getString(R.string.exporter_email_device_list_picker_text)));
}
private void startActivity(final Intent intent) {
ActivityCompat.startActivity(mActivity, intent, null);
}

4
sample_app/src/main/java/uk/co/alt236/btlescan/util/CsvWriterHelper.java → sample_app/src/main/java/uk/co/alt236/btlescan/ui/main/CsvWriterHelper.java
View File

@@ -1,6 +1,6 @@
package uk.co.alt236.btlescan.util;
package uk.co.alt236.btlescan.ui.main;
public class CsvWriterHelper {
/*package*/ class CsvWriterHelper {
private static final String QUOTE = "\"";
public static String addStuff(final Integer text) {

2
sample_app/src/main/java/uk/co/alt236/btlescan/ui/main/MainActivity.java
View File

@@ -132,7 +132,7 @@ public class MainActivity extends AppCompatActivity implements AdapterView.OnIte
DialogFactory.createAboutDialog(this).show();
break;
case R.id.menu_share:
mDeviceStore.shareDataAsEmail(this);
new Sharer().shareDataAsEmail(this, mDeviceStore);
}
return true;
}

161
sample_app/src/main/java/uk/co/alt236/btlescan/ui/main/Sharer.java Normal file
View File

@@ -0,0 +1,161 @@
package uk.co.alt236.btlescan.ui.main;
import android.app.Activity;
import android.content.Context;
import android.net.Uri;
import android.support.v4.content.ContextCompat;
import android.widget.Toast;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.List;
import java.util.Locale;
import uk.co.alt236.bluetoothlelib.device.BluetoothLeDevice;
import uk.co.alt236.bluetoothlelib.device.beacon.BeaconType;
import uk.co.alt236.bluetoothlelib.device.beacon.BeaconUtils;
import uk.co.alt236.bluetoothlelib.device.beacon.ibeacon.IBeaconDevice;
import uk.co.alt236.bluetoothlelib.util.ByteUtils;
import uk.co.alt236.btlescan.R;
import uk.co.alt236.btlescan.containers.BluetoothLeDeviceStore;
import uk.co.alt236.btlescan.ui.common.Navigation;
import uk.co.alt236.btlescan.util.TimeFormatter;
/*package*/ class Sharer {
private static final String CSV_FILENAME_PREFIX = "bluetooth_le_%d";
private static final String CSV_FILENAME_SUFFIX = ".csv";
private static File getExternalCacheDir(final Context context) {
final File[] files = ContextCompat.getExternalCacheDirs(context);
final File retVal;
if (files == null || files.length == 0 || files[0] == null) {
retVal = null;
} else {
retVal = files[0];
}
return retVal;
}
private static String getListAsCsv(List<BluetoothLeDevice> deviceList) {
final StringBuilder sb = new StringBuilder();
sb.append(CsvWriterHelper.addStuff("mac"));
sb.append(CsvWriterHelper.addStuff("name"));
sb.append(CsvWriterHelper.addStuff("firstTimestamp"));
sb.append(CsvWriterHelper.addStuff("firstRssi"));
sb.append(CsvWriterHelper.addStuff("currentTimestamp"));
sb.append(CsvWriterHelper.addStuff("currentRssi"));
sb.append(CsvWriterHelper.addStuff("adRecord"));
sb.append(CsvWriterHelper.addStuff("iBeacon"));
sb.append(CsvWriterHelper.addStuff("uuid"));
sb.append(CsvWriterHelper.addStuff("major"));
sb.append(CsvWriterHelper.addStuff("minor"));
sb.append(CsvWriterHelper.addStuff("txPower"));
sb.append(CsvWriterHelper.addStuff("distance"));
sb.append(CsvWriterHelper.addStuff("accuracy"));
sb.append('\n');
for (final BluetoothLeDevice device : deviceList) {
sb.append(CsvWriterHelper.addStuff(device.getAddress()));
sb.append(CsvWriterHelper.addStuff(device.getName()));
sb.append(CsvWriterHelper.addStuff(TimeFormatter.getIsoDateTime(device.getFirstTimestamp())));
sb.append(CsvWriterHelper.addStuff(device.getFirstRssi()));
sb.append(CsvWriterHelper.addStuff(TimeFormatter.getIsoDateTime(device.getTimestamp())));
sb.append(CsvWriterHelper.addStuff(device.getRssi()));
sb.append(CsvWriterHelper.addStuff(ByteUtils.byteArrayToHexString(device.getScanRecord())));
final boolean isIBeacon = BeaconUtils.getBeaconType(device) == BeaconType.IBEACON;
final String uuid;
final String minor;
final String major;
final String txPower;
final String distance;
final String accuracy;
if (isIBeacon) {
final IBeaconDevice beacon = new IBeaconDevice(device);
uuid = String.valueOf(beacon.getUUID());
minor = String.valueOf(beacon.getMinor());
major = String.valueOf(beacon.getMajor());
txPower = String.valueOf(beacon.getCalibratedTxPower());
distance = beacon.getDistanceDescriptor().toString().toLowerCase(Locale.US);
accuracy = String.valueOf(beacon.getAccuracy());
} else {
uuid = "";
minor = "";
major = "";
txPower = "";
distance = "";
accuracy = "";
}
sb.append(CsvWriterHelper.addStuff(isIBeacon));
sb.append(CsvWriterHelper.addStuff(uuid));
sb.append(CsvWriterHelper.addStuff(minor));
sb.append(CsvWriterHelper.addStuff(major));
sb.append(CsvWriterHelper.addStuff(txPower));
sb.append(CsvWriterHelper.addStuff(distance));
sb.append(CsvWriterHelper.addStuff(accuracy));
sb.append('\n');
}
return sb.toString();
}
private static FileWriter saveToFile(final File file, final String contents) {
FileWriter writer = null;
try {
writer = new FileWriter(file);
writer.append(contents);
writer.flush();
} catch (final IOException e) {
e.printStackTrace();
} finally {
try {
if (writer != null) {
writer.close();
}
} catch (final IOException e) {
e.printStackTrace();
}
}
return writer;
}
public void shareDataAsEmail(final Activity activity,
final BluetoothLeDeviceStore store) {
final long timeInMillis = System.currentTimeMillis();
final String filename = String.format(Locale.US, CSV_FILENAME_PREFIX, timeInMillis);
final String to = null;
final String subject = activity.getString(
R.string.exporter_email_device_list_subject,
TimeFormatter.getIsoDateTime(timeInMillis));
final String message = activity.getString(R.string.exporter_email_device_list_body);
final String contents = getListAsCsv(store.getDeviceList());
final File outputDir = getExternalCacheDir(activity);
if (outputDir == null) {
Toast.makeText(activity, R.string.error_unable_to_access_external_storage, Toast.LENGTH_SHORT).show();
} else {
try {
final File outputFile = File.createTempFile(filename, CSV_FILENAME_SUFFIX, outputDir);
saveToFile(outputFile, contents);
final Uri uri = Uri.fromFile(outputFile);
new Navigation(activity)
.shareFileViaEmail(uri, new String[]{to}, subject, message);
} catch (final IOException e) {
e.printStackTrace();
}
}
}
}

1
sample_app/src/main/res/values/strings.xml
View File

@@ -75,5 +75,6 @@
<string name="label_updated">Updated:</string>
<string name="label_decriptor">Descriptor:</string>
<string name="error_unable_to_access_external_storage">"Could not access external storage!"</string>
<string name="permission_not_granted_coarse_location">The ACCESS_COARSE_LOCATION permission is needed to receive bluetooth scan results</string>
</resources>