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// Create a BroadcastReceiver for ACTION_FOUND and ACTION_DISCOVERY_FINISHED
private final BroadcastReceiver mDeviceDiscoverReceiver = new BroadcastReceiver() {
    int cnt = 0;
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        // When discovery finds a device
        if (BluetoothDevice.ACTION_FOUND.equals(action)) {

            // Get the BluetoothDevice object from the Intent
            BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);

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// With reference to the  android.app.IntentService of the Android framework

// Member variable
private volatile Looper mServiceLooper;
private volatile ServiceHandler mServiceHandler;

// Handler Class
private final class ServiceHandler extends Handler {
    public ServiceHandler(Looper looper) {
        super(looper);

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Intent serviceIntent = new Intent(this, MyService.class);
PendingIntent pendingIntent
        = PendingIntent.getService(this, 0, serviceIntent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager am = (AlarmManager) getSystemService(ALARM_SERVICE);
am.setInexactRepeating (
        AlarmManager.RTC,
        System.currentTimeMillis(),
        //AlarmManager.INTERVAL_HOUR,
        AlarmManager.INTERVAL_FIFTEEN_MINUTES,
        pendingIntent);

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public class AccountList extends ListActivity {
    protected AccountManager accountManager;
    protected Intent intent;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        accountManager = AccountManager.get(getApplicationContext());
        Account[] accounts = accountManager.getAccountsByType("com.google");

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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="net.granoeste.creador.InternalOnlyAppWidget"
  android:versionCode="1"
  android:versionName="1.0"
  android:installLocation="auto"
  >

</manifest>

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public class GoogleServiceAuthExampleActivity extends ListActivity {
    private static final String TAG = GoogleServiceAuthExampleActivity.class.getName();

    GoogleServiceAuthenticator authenticator;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        authenticator = new GoogleServiceAuthenticator(this);
        Account[] accounts = authenticator.getGoogleAccounts();

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<?xml version="1.0" encoding="utf-8"?>
<TextView
	xmlns:android="http://schemas.android.com/apk/res/android"
	android:background="@drawable/list_row_background"
	android:layout_width="fill_parent"
	android:layout_height="wrap_content"/>

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@Override
protected void onMeasure(int widthMeasureSpec,int heightMeasureSpec) {
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    int width = MeasureSpec.getSize(widthMeasureSpec);
    int height = MeasureSpec.getSize(heightMeasureSpec);
}

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final PackageManager pm = getPackageManager();

final List<ApplicationInfo> appInfos = pm.getInstalledApplications(Context.BIND_AUTO_CREATE);
for (final ApplicationInfo appInfo : appInfos) {

	// Determination of the bit flag.
	if( (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 1) {
		Log.d("ApplicationInfo[SYSTEM]",appInfo.toString());
	} else {
		Log.d("ApplicationInfo[NOT SYSTEM]",appInfo.toString());

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Exception occurs when lack of capacity when you commit in SharedPreferences
---
02-16 15:10:15.378: W/ApplicationContext(2289): writeToFile: Got exception:
02-16 15:10:15.378: W/ApplicationContext(2289): java.io.IOException: No space left on device
02-16 15:10:15.378: W/ApplicationContext(2289): 	at org.apache.harmony.luni.platform.OSFileSystem.write(Native Method)
02-16 15:10:15.378: W/ApplicationContext(2289): 	at dalvik.system.BlockGuard$WrappedFileSystem.write(BlockGuard.java:171)
02-16 15:10:15.378: W/ApplicationContext(2289): 	at java.io.FileOutputStream.write(FileOutputStream.java:300)
02-16 15:10:15.378: W/ApplicationContext(2289): 	at com.android.internal.util.FastXmlSerializer.flushBytes(FastXmlSerializer.java:212)
02-16 15:10:15.378: W/ApplicationContext(2289): 	at com.android.internal.util.FastXmlSerializer.flush(FastXmlSerializer.java:233)
02-16 15:10:15.378: W/ApplicationContext(2289): 	at com.android.internal.util.FastXmlSerializer.endDocument(FastXmlSerializer.java:183)