活动泄露了IntentReceiver

我正试图发送短信和邮件在一起。 发送邮件没有问题，但是当我发送短信时，我收到这个例外：

End has leaked IntentReceiver Are you missing a call to unregisterReceiver()? 

这是我的短信方法的代码：

 public class End extends Activity { Button btnSendSMS; EditText txtPhoneNo; EditText txtMessage; public EditText Details; public String user; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.end); Details = (EditText)findViewById(R.id.details); btnSendSMS = (Button) findViewById(R.id.btnSend); Bundle b=this.getIntent().getExtras(); final String email=b.getString("keym"); final String pno=b.getString("keys"); btnSendSMS.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { String detail=Details.getText().toString(); Mail m = new Mail("[e-mail]", "sdfsa"); String[] toArr = {email}; m.setTo(toArr); m.setFrom("[e-mail]"); m.setSubject("EMERGENCY"); m.setBody(detail); try { // m.addAttachment("/sdcard/filelocation"); if(m.send()) { Toast.makeText(End.this, "Email was sent successfully.", Toast.LENGTH_LONG).show(); } else { Toast.makeText(End.this, "Email was not sent.", Toast.LENGTH_LONG).show(); } } catch(Exception e) { //Toast.makeText(MailApp.this, "There was a problem sending the email.", Toast.LENGTH_LONG).show(); Log.e("MailApp", "Could not send email", e); } sendSMS(pno, detail); finish(); Intent intent = new Intent(End.this,Service.class); startActivity(intent); } } ); } private void sendSMS(String phoneNumber, String message) { String SENT = "SMS_SENT"; String DELIVERED = "SMS_DELIVERED"; PendingIntent sentPI = PendingIntent.getBroadcast(this, 0, new Intent(SENT), 0); PendingIntent deliveredPI = PendingIntent.getBroadcast(this, 0, new Intent(DELIVERED), 0); //---when the SMS has been sent--- registerReceiver(new BroadcastReceiver() { Context context; @Override public void onReceive(Context arg0, Intent arg1) { switch (getResultCode()) { case Activity.RESULT_OK: Toast.makeText(getBaseContext(), "SMS sent", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_GENERIC_FAILURE: Toast.makeText(getBaseContext(), "Generic failure", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_NO_SERVICE: Toast.makeText(getBaseContext(), "No service", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_NULL_PDU: Toast.makeText(getBaseContext(), "Null PDU", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_RADIO_OFF: Toast.makeText(getBaseContext(), "Radio off", Toast.LENGTH_SHORT).show(); break; } } }, new IntentFilter(SENT)); //---when the SMS has been delivered--- registerReceiver(new BroadcastReceiver(){ Context context; @Override public void onReceive(Context arg0, Intent arg1) { switch (getResultCode()) { case Activity.RESULT_OK: Toast.makeText(getBaseContext(), "SMS delivered", Toast.LENGTH_SHORT).show(); break; case Activity.RESULT_CANCELED: Toast.makeText(getBaseContext(), "SMS not delivered", Toast.LENGTH_SHORT).show(); break; } } }, new IntentFilter(DELIVERED)); SmsManager sms = SmsManager.getDefault(); sms.sendTextMessage(phoneNumber, null, message, sentPI, deliveredPI); } } 

Answer 1

像这样创build一个自定义接收器

 class deliverReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent arg1) { switch (getResultCode()) { case Activity.RESULT_OK: Toast.makeText(getBaseContext(), "SMS delivered", Toast.LENGTH_SHORT).show(); break; case Activity.RESULT_CANCELED: Toast.makeText(getBaseContext(), "SMS not delivered", Toast.LENGTH_SHORT).show(); break; } } } 

和这样的发送接收者

 class sentReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent arg1) { switch (getResultCode()) { case Activity.RESULT_OK: Toast.makeText(getBaseContext(), "SMS sent", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_GENERIC_FAILURE: Toast.makeText(getBaseContext(), "Generic failure", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_NO_SERVICE: Toast.makeText(getBaseContext(), "No service", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_NULL_PDU: Toast.makeText(getBaseContext(), "Null PDU", Toast.LENGTH_SHORT).show(); break; case SmsManager.RESULT_ERROR_RADIO_OFF: Toast.makeText(getBaseContext(), "Radio off", Toast.LENGTH_SHORT).show(); break; } } 

现在在sendSMS方法之后

  PendingIntent deliveredPI = PendingIntent.getBroadcast(this, 0, new Intent(DELIVERED), 0); 

放

 registerReceiver(sentReceiver,SENT); registerReceiver(deliverReceiver,DELIVERED); 

现在覆盖onpause和取消这样的接收器注册..

 unregisterReceiver(sentReceiver); unregisterReceiver(deliverReceiver); 

Answer 2

您应该注销onPause()的接收者，并在onResume()注册它们。 这样，当Android销毁并重新创buildconfiguration更改的活动时，或者出于任何原因，您仍将设置接收器。

Answer 3

您已在您的活动中注册了两台广播接收机。 在您的活动onDestroy，取消注册这两个接收器。 请参阅http://developer.android.com/reference/android/content/ContextWrapper.html#unregisterReceiver（android.content.BroadcastReceiver ）。