Android 弹出菜单未展开(弹出高度始终相同)
MainActivity.java中的代码Android 弹出菜单未展开(弹出高度始终相同),android,android-menu,android-popupwindow,Android,Android Menu,Android Popupwindow,MainActivity.java中的代码 MainActivity extends android.support.v7.app.ActionBarActivity 排序菜单.xml @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. int id = item.getItemId(); switch (id) {
MainActivity extends android.support.v7.app.ActionBarActivity
排序菜单.xml
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here.
int id = item.getItemId();
switch (id) {
case R.id.action_sort:
showSortPopup(item.getActionView());
return true;
default:
return super.onOptionsItemSelected(item);
}
}
public void showSortPopup(View view) {
PopupMenu popup = new PopupMenu(MainActivity.this, view);
MenuInflater inflater = popup.getMenuInflater();
inflater.inflate(R.menu.sort_menu, popup.getMenu());
popup.show();
}
这是选择R.id.action\u排序操作栏菜单时显示的弹出菜单:它可以工作,我的意思是我可以滚动它来查看其他菜单项,但为什么它没有扩展?我认为这可能是来自
android.support.v7.app.ActionBarActivity
或Theme.AppCompat.Light
Theme的错误。
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/action_ascending"
android:title="Ascending" />
<item android:id="@+id/action_descending"
android:title="Descending" />
</menu>