Notes

public class MainActivity extends AppCompatActivity {

private NotificationManager mNotifyManager;
private NotificationCompat.Builder mBuilder;
private String TAG = "MainActivity";

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

testNotification();

}


private void testNotification() {
final int id = 1;
mNotifyManager =
(NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
mBuilder = new NotificationCompat.Builder(this);
mBuilder.setContentTitle("Picture Download")
.setContentText("Download in progress")
.setSmallIcon(R.drawable.ic_notification);
// Start a lengthy operation in a background thread
new Thread(
new Runnable() {
@Override
public void run() {
int incr;
// Do the "lengthy" operation 20 times
for (incr = 0; incr <= 100; incr += 5) {
// Sets the progress indicator to a max value, the
// current completion percentage, and "determinate"
// state
mBuilder.setProgress(100, incr, false);
// Displays the progress bar for the first time.
mNotifyManager.notify(id, mBuilder.build());
// Sleeps the thread, simulating an operation
// that takes time
try {
// Sleep for 5 seconds
Thread.sleep(1 * 1000);
} catch (InterruptedException e) {
Log.d(TAG, "sleep failure");
}
}
// When the loop is finished, updates the notification
mBuilder.setContentText("Download complete")
// Removes the progress bar
.setProgress(0, 0, false);
mNotifyManager.notify(id, mBuilder.build());
}
}
// Starts the thread by calling the run() method in its Runnable
).start();
}
}