您需要在 onRecieve 方法的末尾添加几行......它应该像这样......
package com.android.FirstWidget;import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ImageButton;
import android.widget.RemoteViews;
public class ExampleAppWidgetProvider extends AppWidgetProvider {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
Log.e("ds",intent.getAction());
Log.e("f","f");
RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.wid);
if(intent.getAction().contains("arrow_left")){
views.setTextViewText(R.id.textView1,"left");
Log.e("fssss","sssf");
}
else if(intent.getAction().contains("arrow_right")){
views.setTextViewText(R.id.textView1,"right");
Log.e("fssss","sssf");
}
else {
super.onReceive(context, intent);
}
ComponentName componentName = new ComponentName(context, ExampleAppWidgetProvider.class);
AppWidgetManager.getInstance(context).updateAppWidget(componentName, views);
}
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, ExampleAppWidgetProvider.class);
intent.setAction("arrow_left");
PendingIntent pendingIntent = PendingIntent.getBroadcast(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.wid);
views.setOnClickPendingIntent(R.id.arrowLeft, pendingIntent);
intent = new Intent(context, ExampleAppWidgetProvider.class);
intent.setAction("arrow_right");
pendingIntent = PendingIntent.getBroadcast(context, 0, intent,
views.setOnClickPendingIntent(R.id.arrowRight, pendingIntent);
//views.set
// Tell the AppWidgetManager to perform an update on the current app widget
appWidgetManager.updateAppWidget(appWidgetId, views);
}
}
}
另外,尽管我相信您编写的代码应该有效,但如果不行,您可以尝试将按钮的意图操作放入清单文件中。应该是这样的
<intent-filter >
<action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
<action android:name="com.android.FirstWidget.arrow_left"/>
<action android:name="com.android.FirstWidget.arrow_right"/>
</intent-filter>
我想这现在应该可以了。我自己碰巧遇到了这个问题,并在这里找到了解决方案:Android 中的可点击小部件 https://stackoverflow.com/questions/2748590/clickable-widgets-in-android