我有两个小部件 A 和 B。我有两个问题:
- 多次点击小部件(A 或 B)时,多个实例 相同的 Activity 打开。
- 有时小部件 A 打开小部件 B 的 Activity ,反之亦然。
这是我的代码:
Widget A Provider 类:
for (int appWidgetId : appWidgetIds) {
RemoteViews remoteViews = new RemoteViews(context.getPackageName(),
R.layout.favorite_flavor_widget);
Intent intent = new Intent(context, SplashActivity.class);
intent.setAction("FromFavoriteFlavorWidget");
intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, appWidgetIds);
intent.putExtra("FromFavoriteFlavorWidget", true);
PendingIntent pendingIntent = PendingIntent.getActivity(context,
0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.favoriteFlavorBox, pendingIntent);
appWidgetManager.updateAppWidget(appWidgetId, remoteViews);
appWidgetManager.updateAppWidget(appWidgetId, remoteViews);
}
小部件 B 提供者类:
for (int appWidgetId : appWidgetIds) {
RemoteViews remoteViews = new RemoteViews(context.getPackageName(),
R.layout.report_food_widget);
Intent intent = new Intent(context, SplashActivity.class);
intent.setAction("FromReportFoodWidget");
intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, appWidgetIds);
intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.putExtra("FromReportFoodWidget", true);
PendingIntent pendingIntent = PendingIntent.getActivity(context,
0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
remoteViews.setOnClickPendingIntent(R.id.reportFoodBox, pendingIntent);
appWidgetManager.updateAppWidget(appWidgetId, remoteViews);
}
最佳答案
设置标志为 Intent.FLAG_ACTIVITY_CLEAR_TOP Intent.FLAG_ACTIVITY_REORDER_TO_FRONT
并尝试将其添加到 list 中。
android:launchMode="singleTask"
和
TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
stackBuilder.addParentStack(MainActivity.class);
stackBuilder.addNextIntent(intent );
http://inthecheesefactory.com/blog/understand-android-activity-launchmode/en
关于android - 多个 Intent 的未决 Intent 打开错误的 Activity ,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/35526212/