Android Advance Training: Autoreply sender via BoardcastReceiver

Complete Code

package com.k; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.telephony.SmsMessage; import android.widget.Toast; public class SMSReceiver2 extends BroadcastReceiver{        @Override        public void onReceive(Context context, Intent intent) {                             // Get the SMS message pass in               Bundle bundle = intent.getExtras();               String sOutput = "";                             if (bundle != null) {                                           // Retrieve the SMS message received                      Object[] pdus = (Object[]) bundle.get("pdus");                                           SmsMessage[] smsMessage = new SmsMessage[pdus.length];                                           for (int n = 0; n < smsMessage.length; n++) {                                                       smsMessage[n] = SmsMessage.createFromPdu((byte[]) pdus[n]);                                                       sOutput += "SMS from " + smsMessage[n].getOriginatingAddress();                            sOutput += " : ";                            sOutput += smsMessage[n].getMessageBody().toString();                            sOutput += "\n";                      }                                           // Show the new SMS message                      Toast.makeText(context, sOutput, Toast.LENGTH_SHORT).show();                                           // Send a broadcast intent to tell the activity about the new SMS received                      Intent broadcastIntent = new Intent();                      broadcastIntent.setAction("SMS_RECEIVED_ACTION");                      broadcastIntent.putExtra("sms", sOutput);                      context.sendBroadcast(broadcastIntent);                                    }        } }

package com.k; import android.app.Activity; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.Bundle; import android.telephony.SmsManager; import android.view.View; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; public class SMSReceiveAppActivity extends Activity {               Button btnSendSMS;        IntentFilter intentFilter;               private BroadcastReceiver intentReceiver = new BroadcastReceiver() {                      @Override        public void onReceive(Context context, Intent intent) {                             // display the SMS received in the TextView               TextView SMSes = (TextView) findViewById(R.id.textView1);               SMSes.setText(intent.getExtras().getString("sms"));                 try {                                             String sms = "Testing by Kent";                                             SmsManager smsManager = SmsManager.getDefault();                      smsManager.sendTextMessage("5554", null, sms, null, null);                                           Toast.makeText(getApplicationContext(), "Your SMS is sent successfully!",                                          Toast.LENGTH_LONG).show();                                      } catch (Exception e) {                                             Toast.makeText(getApplicationContext(),                            "Sending SMS faild!",                            Toast.LENGTH_LONG).show();                                      }               }               };     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);                 //---intent to filter for SMS messages received---         intentFilter = new IntentFilter();         intentFilter.addAction("SMS_RECEIVED_ACTION");                         btnSendSMS = (Button) findViewById(R.id.btnSendSMS);         btnSendSMS.setOnClickListener( new View.OnClickListener() {                       public void onClick(View v)         {                       //sendSMS(“5554”, “Hello my friends!”);         Intent i = new Intent(android.content.Intent.ACTION_VIEW);         i.putExtra("address", "5554");         i.putExtra("sms_body", "Hello my friends!");         i.setType("vnd.android-dir/mms-sms");                 startActivity(i);         }         });             }     @Override     protected void onResume() {     //---register the receiver---     registerReceiver(intentReceiver, intentFilter);     super.onResume();     }         @Override     protected void onPause() {     //---unregister the receiver---     unregisterReceiver(intentReceiver);     super.onPause();     }         //---sends an SMS message to another device---     private void sendSMS(String phoneNumber, String message)     {     //...     }     }

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_width="fill_parent"     android:layout_height="fill_parent"     android:orientation="vertical" >     <TextView         android:layout_width="fill_parent"         android:layout_height="wrap_content"         android:text="@string/hello" />     <TextView         android:id="@+id/textView1"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:text="TextView" />     <Button         android:id="@+id/btnSendSMS"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:text="Button" /> </LinearLayout>

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"     package="com.k"     android:versionCode="1"     android:versionName="1.0" >     <uses-sdk android:minSdkVersion="8" />     <application         android:icon="@drawable/ic_launcher"         android:label="@string/app_name" >         <activity             android:name=".SMSReceiveAppActivity"             android:label="@string/app_name" >             <intent-filter>                 <action android:name="android.intent.action.MAIN" />                 <category android:name="android.intent.category.LAUNCHER" />             </intent-filter>         </activity>                       <receiver android:name=".SMSReceiver" android:enabled="true">                      <intent-filter>                            <action android:name="android.provider.Telephony.SMS_RECEIVED" />                      </intent-filter>               </receiver>                                    <receiver android:name=".SMSReceiver2">                            <intent-filter>                            <action android:name="android.provider.Telephony.SMS_RECEIVED" />                            </intent-filter>                      </receiver>                                        </application>     <uses-permission android:name="android.permission.SEND_SMS" />        <uses-permission android:name="android.permission.RECEIVE_SMS"></uses-permission>     </manifest>