Phone Dialer In Android

Today i am going to share the code of Action dial in android. 
Phone dialer is an activity available with Android operating system to call a number. In this article, we will create an application which invokes the dialer on a button click.  Android system provides a standard action name called “ACTION_DIAL” to invoke the dialer. We will make use this action to invoke the the dialer from our application.

Main.xml

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<linearlayout android:layout_height="fill_parent" android:layout_width="fill_parent" android:orientation="vertical" xmlns:android="http://schemas.android.com/apk/res/android">    <button android:id="@+id/btn" android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="@string/dialer">    </button></linearlayout>

MainActivity.java

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package com.sunil.dial;   import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button;   public class MainActivity extends Activity {     /** Called when the activity is first created. */     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);                 Button btn  = (Button) findViewById(R.id.btn);                         OnClickListener listener = new OnClickListener() {      @Override    public void onClick(View v) {        Intent intent = new Intent("android.intent.action.DIAL");     startActivity(intent);    }   };                   btn.setOnClickListener(listener);     } }