OnLongClick Listener

OnLongClickListener :  Interface definition for a callback to be invoked when a view has been clicked and held.

onClick(View v) : Called when a view has been clicked and held.

To enable LongClickListener write following code:

MainActivity.java :

public class MainActivity extends Activity {

       ImageButton ib;

      

       @Override

       protected void onCreate(Bundle savedInstanceState) {

              super.onCreate(savedInstanceState);

              setContentView(R.layout.activity_main);

              ib = (ImageButton) findViewById(R.id.imageButton1);

             

              ib.setOnLongClickListener(new OnLongClickListener() {

                    

                     @Override

                     public boolean onLongClick(View v) {

                           Toast.makeText(MainActivity.this, "Yes you have Long Clicked !", Toast.LENGTH_SHORT).show();

                           return false;

                     }

              });

             

       }

       @Override

       public boolean onCreateOptionsMenu(Menu menu) {

              // Inflate the menu; this adds items to the action bar if it is present.

              getMenuInflater().inflate(R.menu.main, menu);

              return true;

       }

}

activity_main.xml :

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context=".MainActivity" >

    <ImageButton

        android:id="@+id/imageButton1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="69dp"

        android:src="@drawable/ic_launcher" />

</RelativeLayout>

 

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