public abstract int getPreferredActivities(@NonNull ListoutFilters,? ? ? ? ? ? @NonNull ListoutActivities, String packageName);

packageName必須不為空，否則返回的數(shù)據(jù)是錯誤的。

if (packageName == null?

|| (pa.mPref.mComponent.getPackageName().equals(packageName)

&& pa.mPref.mAlways)) {

if (outFilters != null) {

outFilters.add(new IntentFilter(pa));

}

問題出現(xiàn)在如果packageName ==null，沒有判斷pa.mPref.mAlways