BroadcastReceiver 上下文注册不起作用

Question

我正在开发一个项目，我需要注册 BroadcastReceiver 并从通知操作向其发送广播。如果我做错了什么明显的事情，请告诉我。我不希望接收器在清单中注册，因为我希望拥有访问多个局部变量的自定义 onRecieve 方法。

完整代码可在此处获取： https: //github.com/akirby/notificationTest

编辑： 根据Android文档（https://developer.android.com/guide/components/broadcasts.html），这是可能的，但我无法理解为什么这不起作用。

BroadcastReciever 局部变量

public BroadcastReceiver approveReceiver = new BroadcastReceiver(){
    @Override
    public void onReceive(Context context, Intent intent){
        notificationManager.cancel(notificationId);
        String data = intent.getAction();
        Toast.makeText(getApplicationContext(), data, Toast.LENGTH_LONG);
        if(data != null && data.equals("com.myapp.Approve")){
            mainText.setText("Approved");
        }
        else{
            mainText.setText("Denied");
        }
    }
};

登记：

registerReceiver(approveReceiver, new IntentFilter("com.myapp.Approve"));

通知：

public void showNotification(){

    Context appContext = getApplicationContext();
    Intent approveIntent = new Intent(appContext, ApprovalReceiver.class);
    approveIntent.setData(Uri.parse("Approve"));
    approveIntent.setAction("com.myapp.Approve");
    PendingIntent pendingIntent = PendingIntent.getBroadcast(appContext, 0, approveIntent, PendingIntent.FLAG_CANCEL_CURRENT);

    Intent denyIntent = new Intent(appContext, ApprovalReceiver.class);
    approveIntent.setData(Uri.parse("deny"));
    denyIntent.setAction("com.myapp.Deny");
    PendingIntent denyPendingIntent = PendingIntent.getBroadcast(appContext, 0, denyIntent, PendingIntent.FLAG_CANCEL_CURRENT);


    NotificationCompat.Builder builder = new NotificationCompat.Builder(getApplicationContext(), CHANNEL_ID)
            .setSmallIcon(R.drawable.ic_launcher_foreground)
            .setContentTitle("Test Notification")
            .setContentText("Test notification details")
            .setAutoCancel(true)
            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
            .addAction(R.drawable.ic_launcher_foreground, getString(R.string.Approved),
                    pendingIntent)
            .addAction(R.drawable.ic_launcher_foreground, getString(R.string.Deny),
                    denyPendingIntent);
    notificationManager.notify(notificationId, builder.build());
}

Answer 1

我找到了我的问题。这与我实例化 Intent 对象和 IntentFilter 对象的方式发生冲突。IntentFilters 是通过一个操作实例化的，当我使用“.setAction”选项实例化 Intent 时，修复如下：

改变这个：

Intent approveIntent = new Intent(appContext, ApprovalReceiver.class);

对此：

Intent approveIntent = new Intent("com.myapp.Approve");

因为我的 BroadcastReceiver 注册的 IntentFilter 是这样的：

this.registerReceiver(approveReceiver, new IntentFilter("com.myapp.Approve"));