Android Widget Onclick按鈕或方法或方法從另一個活動？

Question

我有一個正常的應用程序與小部件（小部件是一個圖像按鈕）。點擊小部件時，我想調用MainActivity中的方法或WidgetProvider活動中的方法，或者將onClick附加到小部件，該小部件在單擊它時會執行某些操作。我已閱讀文檔，但唯一發現的是如何使用小部件打開活動。

我WidgetProvider活動代碼：

package ali.simpleflaslight; 
 

 
import android.app.PendingIntent; 
 
import android.appwidget.AppWidgetManager; 
 
import android.appwidget.AppWidgetProvider; 
 
import android.content.Context; 
 
import android.content.Intent; 
 
import android.hardware.Camera; 
 
import android.media.MediaPlayer; 
 
import android.net.Uri; 
 
import android.widget.ImageButton; 
 
import android.widget.RemoteViews; 
 

 
public class WidgetProvider extends AppWidgetProvider { 
 

 
    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { 
 
    final int N = appWidgetIds.length; 
 

 
    // Perform this loop procedure for each App Widget that belongs to this provider 
 
    for (int i = 0; i < N; i++) { 
 
     int appWidgetId = appWidgetIds[i]; 
 

 
     // Create an Intent to launch ExampleActivity 
 
     Intent intent = new Intent(context, MainActivity.class); 
 
     PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, 0); 
 

 
     // Get the layout for the App Widget and attach an on-click listener 
 
     // to the button 
 
     RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.appwidget_layout); 
 
     views.setOnClickPendingIntent(R.id.imageButton, pendingIntent); 
 

 
     // Tell the AppWidgetManager to perform an update on the current app widget 
 
     appWidgetManager.updateAppWidget(appWidgetId, views); 
 
    } 
 
    } 
 
    public void someMethod() { 
 
    //I want this method called when imagebutton is pressed. 
 
    } 
 
}

通過上面的代碼，點擊窗口小部件只顯示我的MainActivity。

Answer 1

添加操作到AndroidManifest.xml文件中<receiver><intent-filter>標籤：

<action android:name="MY_PACKAGE_NAME.WIDGET_BUTTON" />

聲明：本

public static String WIDGET_BUTTON = "MY_PACKAGE_NAME.WIDGET_BUTTON";

在onUpdate()方法添加該動作相匹配的待決意圖：

Intent intent = new Intent(WIDGET_BUTTON); 
 
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); 
 
views.setOnClickPendingIntent(R.id.MY_BUTTON_ID, pendingIntent);

最後，在onRecieve（）方法：

if (WIDGET_BUTTON.equals(intent.getAction())) { 
 
    //Your Code 
 

 
}