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Android Call State BroadCastReceiver Example

activity_main.xml

File: activity_main.xml

<RelativeLayout xmlns:androclass="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" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />

</RelativeLayout>

Activity class

File: MainActivity.java

package com.example.callstatebroadcastreceiver;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;

public class MainActivity extends Activity {

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


    @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;
    }
    
}

IncommingCallReceiver

File: IncommingCallReceiver.java

package com.example.callstatebroadcastreceiver;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.telephony.TelephonyManager;
import android.widget.Toast;


 public class IncommingCallReceiver extends BroadcastReceiver{
      Context context;
       
      @Override
      public void onReceive(Context context, Intent intent){
          try{
           String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);

              if(state.equals(TelephonyManager.EXTRA_STATE_RINGING)){
                   Toast.makeText(context, "Phone Is Ringing", Toast.LENGTH_LONG).show();
              }
              
              if(state.equals(TelephonyManager.EXTRA_STATE_OFFHOOK)){
                   Toast.makeText(context, "Call Recieved", Toast.LENGTH_LONG).show();
              }
              
              if (state.equals(TelephonyManager.EXTRA_STATE_IDLE)){
                   Toast.makeText(context, "Phone Is Idle", Toast.LENGTH_LONG).show();
              }
          }
          catch(Exception e){e.printStackTrace();}
      }
      
}

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Android Tutorial

Android Widgets

Activity and Intents

Android Fragments

Android Menu

Android Service

Android AlarmManager

Android Storage

Android SQLite

XML and JSON

Android Multimedia

Android Speech

Android Telephony

Android Device

Camera Tutorial

Sensor Tutorial

Android Graphics

Android Animation

Android Web Service

Google Map

Adding Ads

Android Examples

Android Social

Android Versions

Android Misc

Android Interview

Android Call State BroadCastReceiver Example

activity_main.xml

Activity class

IncommingCallReceiver

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