Simple Broadcast Android.. Simple Jangan Baper #JanganLupaBahagia

MainActivity.java

package jonesrandom.tesbroadcast;

import android.content.Intent;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {

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

        final EditText etMessage = findViewById(R.id.text);

        Button btn = findViewById(R.id.settext);
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                Intent i = new Intent(MyTextView.ACTION_TEXT);
                i.putExtra(MyTextView.ACTION_KEY, etMessage.getText().toString());
                LocalBroadcastManager.getInstance(MainActivity.this).sendBroadcast(i);
                
            }
        });
    }
}

MyTextView.java

package jonesrandom.tesbroadcast;

import android.annotation.SuppressLint;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.support.v4.content.LocalBroadcastManager;
import android.util.AttributeSet;
import android.widget.TextView;

/**
 * Created by jonesrandom on 11/6/17.
 * 
 * #JanganLupaBahagia
 */

@SuppressLint("AppCompatCustomView")
public class MyTextView extends TextView {

    public static String ACTION_TEXT = "#JanganLupaBahagia";
    public static String ACTION_KEY = "#JombloGarisKeras";

    public MyTextView(Context context) {
        super(context);

        ///TODO - Biarin Kosong Ato Terserah Mau Isi Apa Terserah ente
    }

    public MyTextView(Context context, AttributeSet attrs) {
        super(context, attrs);

        LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
        lbm.registerReceiver(new BroadcastReceiver() {
            @Override
            public void onReceive(Context context, Intent intent) {

                String text = intent.getStringExtra(ACTION_KEY);
                setText(text);

               /* Kalo ImageView Yang Dikirim Path Lokasi Gambar
               *
               *  String Path = intent.getStringExtra("KEY");
               *  Bitmap bmp = BitmapFactory.decodeFile(Path);
               *  setImageBitmap(bmp);
               *
               * */

                ///TODO - simpan ke sharepreferencesnya dimari

            }
        }, new IntentFilter(ACTION_TEXT));

    }

    public MyTextView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);

        ///TODO - Biarin Kosong Ato Terserah Mau Isi Apa Terserah ente
    }
}