android 获取手机上所以的应用包,类名(包括)

获取手机上的所有应用的包名类名(包括系统应用)
以下代码直接可以使用
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.addequipment_activity);
    loadApps();
}
private List resolveInfo= new ArrayList<>();


private void loadApps() {

    Intent intent = new Intent(Intent.ACTION_MAIN, null);
    intent.addCategory(Intent.CATEGORY_LAUNCHER);
    
 resolveInfo= getPackageManager().queryIntentActivities(intent, 0);

//for循环遍历ResolveInfo对象获取包名和类名

for (int i = 0; i < resolveInfo.size(); i++) {
ResolveInfo info = resolveInfo.get(i); 
String packageName = info.activityInfo.packageName; 
CharSequence cls = info.activityInfo.name; 
CharSequence name = info.activityInfo.loadLabel(getPackageManager()); 
String parentActivityName = info.activityInfo.parentActivityName;
Log.e(TAG, "打印-- :" + name + "----" + packageName + "----" + cls); 

}

}