[英]App Widget Provider Crashing
當我啟動我的小部件時,該小部件旨在將Intent附加到按鈕上。 目的是啟動一項服務,此刻目前僅在做吐司。 我不認為這是我的清單是錯的,因為我已經檢查了很多次,並且我的IDE沒有顯示任何錯誤。
表現:
<service android:name=".Killer"></service>
<receiver android:name=".Provider">
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE"/>
</intent-filter>
<meta-data android:name="android.appwidget.provider"
android:resource="@xml/app_widget_info"/>
</receiver>
AppWidget提供程序:
public class Provider extends AppWidgetProvider{
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
// Perform this loop procedure for each App Widget that belongs to this provider
for (int i : appWidgetIds) {
int appWidgetId = appWidgetIds[i];
// Create an Intent to launch Killer
Intent intent = new Intent(context, Killer.class);
// Get the layout for the App Widget and attach an on-click listener
// to the button
RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget_layout);
views.setRemoteAdapter(R.id.kill, intent);
// Tell the AppWidgetManager to perform an update on the current app widget
appWidgetManager.updateAppWidget(appWidgetId, views);
}
}
}
服務:
public class Killer extends Service{
@Override
public void onCreate() {
super.onCreate();
Toast.makeText(this, "service done", Toast.LENGTH_SHORT).show();
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
}
LogCat錯誤:
java.lang.RuntimeException: Unable to start receiver uk.co.clickcomputing.simpleappkillerwidget.Provider: java.lang.ArrayIndexOutOfBoundsException: length=1; index=111
at android.app.ActivityThread.handleReceiver(ActivityThread.java:2674)
at android.app.ActivityThread.access$1800(ActivityThread.java:174)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1383)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:146)
at android.app.ActivityThread.main(ActivityThread.java:5593)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ArrayIndexOutOfBoundsException: length=1; index=111
at uk.co.clickcomputing.simpleappkillerwidget.Provider.onUpdate(Provider.java:16)
at android.appwidget.AppWidgetProvider.onReceive(AppWidgetProvider.java:66)
at android.app.ActivityThread.handleReceiver(ActivityThread.java:2659)
at android.app.ActivityThread.access$1800(ActivityThread.java:174)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1383)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:146)
at android.app.ActivityThread.main(ActivityThread.java:5593)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099)
at dalvik.system.NativeStart.main(Native Method)
更換:
for (int i : appWidgetIds) {
int appWidgetId = appWidgetIds[i];
與:
for (int appWidgetId : appWidgetIds) {
如果將增強for
語法用於迭代集合,則迭代的是集合的值,而不是數組索引。
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