“我们拿广播电台来做个比方。我们平常使用收音机收音是这样的：许许多多不同的广播电台通过特定的频率来发送他们的内容，而我们用户只需要将频率调成和广播电台的一样就可以收听他们的内容了。Android中的广播机制就和这个差不多的道理。”
<receiver
android:name="com.iidcdut.ipcall.OutCallReceiver">
<intent-filter >
<action android:name="android.intent.action.NEW_OUTGOING_CALL" />
</intent-filter>
</receiver>
onCreate里面主要是对SharePrefence配置，设置拨号时候要加的IP，然后BroadcastReceiver里面就是对要拨出去的号码进行加IP操作。
public class MainActivity extends Activity {
private EditText edit_ipnumber;
private SharedPreferences sp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
edit_ipnumber = (EditText) findViewById(R.id.edit_ipnumber);
sp = getSharedPreferences("config", MODE_PRIVATE);
edit_ipnumber.setText(sp.getString("ipnumber", ""));
}
public void click(View view)
{
String ipnumber = edit_ipnumber.getText().toString();
Editor editor = sp.edit();
editor.putString("ipnumber", ipnumber);
editor.commit();
Toast.makeText(this, "设置OK", Toast.LENGTH_LONG).show();
}
}
public class OutCallReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
System.out.println("onReceive 发现新外拨电话");
String number = getResultData();
System.out.println("number="+number);
SharedPreferences sp = context.getSharedPreferences("config", Context.MODE_PRIVATE);
String ipnumber = sp.getString("ipnumber", "");
String newnumber = ipnumber + number;
setResultData(newnumber);
}
}
<receiver android:name="com.yydcdut.smslistener.SmsReceiver">
<intent-filter >
<action android:name="android.provider.Telephony.SMS_RECEIVED"/>
</intent-filter>
</receiver>
public class SmsReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
System.out.println("收到短信");
Object[] pdus = (Object[]) intent.getExtras().get("pdus");
for(Object pdu : pdus)
{
SmsMessage smsMessage = SmsMessage.createFromPdu((byte[]) pdu);
String body = smsMessage.getMessageBody();
String sender = smsMessage.getOriginatingAddress();
System.out.println("body"+body);
System.out.println("sender"+sender);
abortBroadcast();
}
}
}
