将这个上下文context转换威activity,
2020-04-15 本文已影响0人
鼾声鼾语
private static Activity scanForActivity(Context cont) {
if (cont == null)
return null;
else if (cont instanceof Activity)
return (Activity) cont;
else if (cont instanceof ContextWrapper)
return scanForActivity(((ContextWrapper) cont).getBaseContext());
return null;
}