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Android Call State BroadCastReceiver Example

Android Call State BroadCastReceiver Example

activity_main.xml

File: activity_main.xml

1. <RelativeLayout xmlns:androclass="http://schemas.android.com/apk/res/android"  
2.     xmlns:tools="http://schemas.android.com/tools"  
3.     android:layout_width="match_parent"  
4.     android:layout_height="match_parent"  
5.     android:paddingBottom="@dimen/activity_vertical_margin"  
6.     android:paddingLeft="@dimen/activity_horizontal_margin"  
7.     android:paddingRight="@dimen/activity_horizontal_margin"  
8.     android:paddingTop="@dimen/activity_vertical_margin"  
9.     tools:context=".MainActivity" >  
10.   
11.     <TextView  
12.         android:layout_width="wrap_content"  
13.         android:layout_height="wrap_content"  
14.         android:text="@string/hello_world" />  
15.   
16. </RelativeLayout>  

---

Activity class

File: MainActivity.java

1. package com.example.callstatebroadcastreceiver;  
2.   
3. import android.os.Bundle;  
4. import android.app.Activity;  
5. import android.view.Menu;  
6.   
7. public class MainActivity extends Activity {  
8.   
9.     @Override  
10.     protected void onCreate(Bundle savedInstanceState) {  
11.         super.onCreate(savedInstanceState);  
12.         setContentView(R.layout.activity_main);  
13.     }  
14.   
15.   
16.     @Override  
17.     public boolean onCreateOptionsMenu(Menu menu) {  
18.         // Inflate the menu; this adds items to the action bar if it is present.  
19.         getMenuInflater().inflate(R.menu.main, menu);  
20.         return true;  
21.     }  
22.       
23. }  

---

IncommingCallReceiver

File: IncommingCallReceiver.java

1. package com.example.callstatebroadcastreceiver;  
2.   
3. import android.content.BroadcastReceiver;  
4. import android.content.Context;  
5. import android.content.Intent;  
6. import android.telephony.TelephonyManager;  
7. import android.widget.Toast;  
8.   
9.   
10.  public class IncommingCallReceiver extends BroadcastReceiver{  
11.       Context context;  
12.          
13.       @Override  
14.       public void onReceive(Context context, Intent intent){  
15.           try{  
16.            String state = intent.getStringExtra(TelephonyManager.EXTRA_STATE);  
17.   
18.               if(state.equals(TelephonyManager.EXTRA_STATE_RINGING)){  
19.                    Toast.makeText(context, "Phone Is Ringing", Toast.LENGTH_LONG).show();  
20.               }  
21.                 
22.               if(state.equals(TelephonyManager.EXTRA_STATE_OFFHOOK)){  
23.                    Toast.makeText(context, "Call Recieved", Toast.LENGTH_LONG).show();  
24.               }  
25.                 
26.               if (state.equals(TelephonyManager.EXTRA_STATE_IDLE)){  
27.                    Toast.makeText(context, "Phone Is Idle", Toast.LENGTH_LONG).show();  
28.               }  
29.           }  
30.           catch(Exception e){e.printStackTrace();}  
31.       }  
32.         
33. }