您的要求是从特定号码接收短信。我想在textview中显示收到的消息。但我无法从我的活动中获取BroadcastReceiver的值。我不知道我犯了什么错误。请告诉我
我的代码是
SmsReceiver
public class SmsReceiver extends BroadcastReceiver {
public String str=null;
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
Bundle bundle = intent.getExtras();
SmsMessage[] msgs = null;
if (bundle != null) {
Object[] pdus = (Object[]) bundle.get("pdus");
msgs = new SmsMessage[pdus.length];
for (int i = 0; i < msgs.length; i++)
{
msgs[i] = SmsMessage.createFromPdu((byte[]) pdus[i]);
//for get sms from special number===============================
String msg_from = msgs[i].getOriginatingAddress();
Log.v("msg_from >>",msg_from);
if(msg_from.equals("XXXXXXXX"))
{
//===============================
str += "SMS from " + msgs[i].getOriginatingAddress();
str += " :";
str += msgs[i].getMessageBody().toString();
str += "\n";
Intent act = new Intent(context, MainActivity.class);
act.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
act.putExtra("message", str);
context.startActivity(act);
this.abortBroadcast();
}
}
// ---display the new SMS message---
// Toast.makeText(context, str, Toast.LENGTH_SHORT).show();
}
}
}
MainActivity
public class MainActivity extends Activity {
private TextView showText;
private String receivedSms;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Intent intent = getIntent();
receivedSms =intent.getStringExtra("message");
Log.e("mysms", receivedSms);
showText = (TextView)findViewById(R.id.showText);
showText.setText(receivedSms);
}
}
答案 0 :(得分:0)
将此添加到您的清单文件中:
<uses-permission android:name="android.permission.RECEIVE_SMS"></uses-permission> <uses-permission android:name="android.permission.READ_SMS" /> <uses-permission android:name="android.permission.SEND_SMS"></uses-permission> <receiver android:name=".IncomingSms"> <intent-filter> <action android:name="android.provider.Telephony.SMS_RECEIVED" /> </intent-filter> </receiver>
//在接收器类中
final Bundle bundle = intent.getExtras();试试{
if (bundle != null) { final Object[] pdusObj = (Object[]) bundle.get("pdus"); for (int i = 0; i < pdusObj.length; i++) { SmsMessage currentMessage = SmsMessage.createFromPdu((byte[]) pdusObj[i]); String phoneNumber = currentMessage.getDisplayOriginatingAddress(); String senderNum = phoneNumber; String message = currentMessage.getDisplayMessageBody(); } } } catch (Exception e) { e.printstacktrac(); }
将消息字符串传递给您的活动。
答案 1 :(得分:0)
尝试改变:
public String str=null;
为:
public String str="";
我建议改用StringBuffer并将字符串附加到其中。