Android intent.getIntExtra(AppWidgetManager.EXTRA\u APPWIDGET\u ID,AppWidgetManager.INVALID\u APPWIDGET\u ID);
我无法在onReceive中获取已单击小部件的id。始终返回0。这是我的密码:Android intent.getIntExtra(AppWidgetManager.EXTRA\u APPWIDGET\u ID,AppWidgetManager.INVALID\u APPWIDGET\u ID);,android,android-widget,widget,appwidgetprovider,Android,Android Widget,Widget,Appwidgetprovider,我无法在onReceive中获取已单击小部件的id。始终返回0。这是我的密码: @Override public void onReceive(Context context, Intent intent) { if (intent.getAction().equals(WIDGET_BUTTON)) { int widgetId = intent.getIntExtra( AppWidgetManager.EXTRA_APPWIDGET_ID,
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(WIDGET_BUTTON)) {
int widgetId = intent.getIntExtra( AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
log("WID ID" + widgetId);
我从Android开发者文档中获取代码,我不知道为什么它不起作用
答案是:
我想念:
AppWidgetManager mgr = AppWidgetManager.getInstance(context);
我的代码是这样的:
@Override
public void onReceive(Context context, Intent intent) {
AppWidgetManager mgr = AppWidgetManager.getInstance(context);
RemoteViews views = new RemoteViews(context.getPackageName(),
R.layout.widget_main);
if (intent.getAction().equals(WIDGET_BUTTON)) {
Bundle extras = intent.getExtras();
int widgetId = 0;
if (extras != null && extras.containsKey(AppWidgetManager.EXTRA_APPWIDGET_ID))
widgetId = intent.getIntExtra(mgr.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
log("1 - WID ID" + widgetId);
表示INVALID_APPWIDGET_ID==0,因此您收到的意图没有额外的_APPWIDGET_ID
您在创建意图时是否添加了额外的内容