[英]how do I get value from BroadcastReceiver activity to main activity
[英]Get in the Main Activity data from a BroadcastReceiver
我提到了許多類似的問題,但我無法弄清楚如何做到這一點。 我有這個代碼的MainActivity:
MyBroadcastReceiver broad = new MyBroadcastReceiver();
broad.onReceive(context, new Intent("api6.intent.action.TRANSACTION_COMPLETED"));
然后在MyBroadcastReceiver中,除了主要的一個類,我有:
public class MyBroadcastReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (Intents.ACTION_TRANSACTION_COMPLETED.equals(action)) {
if (intent.getExtras() != null) {
String txid = String.valueOf(intent.getExtras().get(Intents.INTENT_EXTRAS_TRANSACTION_ID));
}
}
}
}
我需要在此行之后的MainActivity中使用String txid:
broad.onReceive(context, new Intent("api6.intent.action.TRANSACTION_COMPLETED"));
您可以通過在MainActivity類中編寫廣播類或使用接口在很多方面實現,在MainActivity中實現它
例如
MA extends AppCompat implements AnInterface{
onCreate(){
broadcast = new YourBroadcastClass(this);
}
@override
public void interfaceMethod(String value){
}
在你的廣播類構造函數中
> AndInterface interface; MyBroad(AnInterface interface){ this.interface
> = interface; }
>
> and onReceive(){ interface.interfaceMethod("whatever you wanna send")
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