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POAndroid: pass variables from Activity to BroadcastReceiver
 

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  1. POAndroid: pass variables from Activity to BroadcastReceiver
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    <p>I have some problem with passing throught my variable from Activity to the BroadcastReceiver... Here is my code:</p> <p>here is my Broadcast receiver code... I try to catch SMS from one phone number which I have got from my Activity...</p> <pre><code>public class SMSMonitor extends BroadcastReceiver { private static final String ACTION = "android.provider.Telephony.SMS_RECEIVED"; public static String phone_number = ""; public static String msg_body = ""; public static final String SMS_EXTRA_NAME = "pdus"; @Override public void onReceive(Context context, Intent intent) { String phone = intent.getExtras().getString("trusted_num"); if (intent != null &amp;&amp; intent.getAction() != null &amp;&amp; ACTION.compareToIgnoreCase(intent.getAction()) == 0) { Object[] pduArray = (Object[]) intent.getExtras().get("pdus"); SmsMessage[] messages = new SmsMessage[pduArray.length]; for (int i = 0; i &lt; pduArray.length; i++) { messages[i] = SmsMessage.createFromPdu((byte[]) pduArray[i]); } phone_number = messages[0].getDisplayOriginatingAddress(); msg_body = messages[0].getMessageBody(); System.out.println("Phone number: "+phone_number); System.out.println("Phone entered: "+phone); } } } </code></pre> <p>Here is my Activity code:</p> <pre><code>public class Settings extends Activity implements OnClickListener{ private Button btn_save; private EditText txt_phone; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_settings); //set Save button btn_save = (Button)findViewById(R.id.btn_save); txt_phone = (EditText)findViewById(R.id.et_phone); btn_save.setOnClickListener(this); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_settings, menu); return true; } @Override public void onClick(View v) { if (v == btn_save) { try { String phone_num = txt_phone.getText().toString(); Intent i = new Intent(Settings.this, SMSMonitor.class); i.putExtra("trusted_num", phone_num); sendBroadcast(i); } catch(Exception e) { System.out.println("Error: "+e.getLocalizedMessage()); } } } } </code></pre> <p>In this code I have text field for entering the phone number, which I need to pass to the BroadcastReceiver with <code>intent.putExtra()</code> method, but in LogCat I see, that variable didnot pass:</p> <pre><code>07-25 18:43:57.382: I/System.out(14245): Phone number: +37129690449 07-25 18:43:57.382: I/System.out(14245): Phone entered: null </code></pre> <p>So what I am doing wrong here?</p> <p><strong>UPD</strong> Maybe code is not correct, but it works for me...</p> <pre><code>public void onReceive(Context context, Intent intent) { phone = intent.getExtras().getString("trusted_num");//get trusted phone number from Settings screen //receive SMS if (intent != null &amp;&amp; intent.getAction() != null &amp;&amp; ACTION.compareToIgnoreCase(intent.getAction()) == 0) { Object[] pduArray = (Object[]) intent.getExtras().get("pdus"); SmsMessage[] messages = new SmsMessage[pduArray.length]; for (int i = 0; i &lt; pduArray.length; i++) { messages[i] = SmsMessage.createFromPdu((byte[]) pduArray[i]); } phone_number = messages[0].getDisplayOriginatingAddress(); msg_body = messages[0].getMessageBody(); System.out.println("Phone number: "+phone_number); } //check if number is not null if (phone != null &amp;&amp; phone != "") { System.out.println("Phone entered: "+phone); } } } </code></pre>
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