Update android Textview continuously

Question

I am working on an Android Application which have an one activity class and service class. In service, Continuous bulk data (1090 by

Answer 1

User LocalBroadcastManager

public void Receivepatientattributes(byte[] readBuf, int len) {
    String total_data = "";
    total_data = bytetohex(readBuf, len);

    Intent intent = new Intent("update-text");
    // add data
    intent.putExtra("message", total_data);
    LocalBroadcastManager.getInstance(this).sendBroadcast(intent);
}

In MainActivity

@Override
public void onResume() {
  super.onResume();

  // Register mMessageReceiver to receive messages.
  LocalBroadcastManager.getInstance(this).registerReceiver(mMessageReceiver,
      new IntentFilter("update-text"));
}

private boolean mCanBeUpdated = true;
private static final int ONE_SEC = 1000; //ms
private static final int RECEPTION_SPEED = 10; //ms
private static final int CYCLES = (int) (ONE_SEC / RECEPTION_SPEED);
private int mCurrentCycle = -1;
private String mMsgCache = "";

// handler for received Intents for the "update-text" event 
private BroadcastReceiver mMessageReceiver = new BroadcastReceiver() {
    @Override
    public void onReceive(Context context, Intent intent) {
        // Extract data included in the Intent
        String message = intent.getStringExtra("message");
        Log.d("receiver", "Got message: " + message);

        mMsgCache = mMsgCache + "\t" + message;

        if (mCanBeUpdated) {
            // No problem updating UI here, refer --> http://stackoverflow.com/a/5676888/1008278
            final Handler handler = new Handler(context.getMainLooper());
            handler.post(new Runnable() {
                @Override
                public void run() {
                    MainActivity.recep.append(mMsgCache);
                    mMsgCache = "";
                }
            });

            mCanBeUpdated = false;
        } else if (mCurrentCycle >= CYCLES) {
            mCurrentCycle = -1;
            mCanBeUpdated = true;
        } else {
            mCurrentCycle++;
        }
    }
};

@Override
protected void onPause() {
  // Unregister since the activity is not visible
  LocalBroadcastManager.getInstance(this).unregisterReceiver(mMessageReceiver);
  super.onPause();
} 

Reference