Android

Android Example to show Context Menu

Android Context menu example

Following example shows that how to create context menu application using Android. Follow the below steps to create.

a) copy the following code into activity_main.xml” file

<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:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

    <TextView android:text="@string/hello_world" android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/textView"
        android:textColor="#005599"
        android:textAlignment="center"
        android:textSize="16pt" />

    <ListView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/listView1"
        android:layout_alignParentTop="true"
        android:layout_marginTop="53dp"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true" />

</RelativeLayout>

b) Now copy the following code ito "MainActivity.java" file
package app.mitindia.com.contextmenu;

import android.app.Activity;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;


public class MainActivity extends Activity {


    ListView listView1;
    String contacts[] = {"Ganesh", "Shiva", "Vishnu", "Rahim", "Paul"};

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

        listView1 = (ListView) findViewById(R.id.listView1);
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, contacts);
        listView1.setAdapter(adapter);
        registerForContextMenu(listView1);

    }

    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
        super.onCreateContextMenu(menu, v, menuInfo);
        menu.setHeaderTitle("Select the action");
        menu.add(0, v.getId(), 0, "Call");
        menu.add(0, v.getId(), 0, "SMS");
        menu.add(0, v.getId(), 0, "WhatsApp");
    }

    @Override
    public boolean onContextItemSelected(MenuItem item) {
        if (item.getTitle() == "Call") {
            Toast.makeText(getApplicationContext(), "Calling mode", Toast.LENGTH_LONG).show();

        } else if (item.getTitle() == "SMS") {
            Toast.makeText(getApplicationContext(), "Messaging mode", Toast.LENGTH_LONG).show();
        } else if (item.getTitle() == "WhatsApp") {
            Toast.makeText(getApplicationContext(), "Whats App mode", Toast.LENGTH_LONG).show();
        } else {
            return false;
        }
        return true;
    }



    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}
c) Run the application see the following output.

Screenshot_2015-06-29-14-10-58

 

SKB

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