发送短信时广播接收器出错答案

【问题标题】：Error in broadcast receiver when sending sms发送短信时广播接收器出错
【发布时间】：2018-01-07 00:52:09
【问题描述】：

单击发送按钮时我正在调用此方法我收到此错误

java.lang.IllegalArgumentException：接收方未注册：

在unregisterReceiver(new BroadcastReceiver() {}注销广播接收器时显示错误

private void sendSMS(String edittextSmsNumber, String msg) {

    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);

    registerReceiver(new BroadcastReceiver() {
        public void onReceive(Context arg0, Intent arg1) {

            switch (getResultCode()) {
            case Activity.RESULT_OK:
                Toast.makeText(getBaseContext(), "SMS sent",
                        Toast.LENGTH_SHORT).show();
                /* base64msgString = Base64.encodeToString(
                        encryptedText, 0);*/
                if (senderinfo != null && timeStamp != 0
                        && msgString != null) {
                    System.out.println("entered into database");
                    outboxDatabase.open();
                    outboxDatabase.insertintoOutbox(base64msgString, key,
                            savedPhoneno, timeStamp);
                    outboxDatabase.close();
                }

                Intent homeScreenIntent = new Intent();
                homeScreenIntent.setClass(getApplicationContext(),
                        HomeScreen.class);
                startActivity(homeScreenIntent);
                finish();

                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));
    registerReceiver(new BroadcastReceiver() {
        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();
    // short port = 8888;

    sms.sendTextMessage(edittextSmsNumber, null, msg,
            sentPI, deliveredPI);

    try {
        unregisterReceiver(new BroadcastReceiver() {

            @Override
            public void onReceive(Context context, Intent intent) {
                // TODO Auto-generated method stub
                context.unregisterReceiver(this);
            }
        });
    } catch (Exception e) {
        e.printStackTrace();
    }

【问题讨论】：

标签： android broadcastreceiver

【解决方案1】：

错误说明发生了什么 - 您正在尝试取消注册尚未注册的新接收器。

您应该将您的接收器定义为您的类的成员，替换您的动态实例化。毕竟，请在您的每个成员接收器上致电 unregisterReceiver。

我认为它会解决它。

【讨论】：