Custom ActionBar Overflow Menu

I'm trying to make an ActionBar Menu OverFlow. The type twitter does. Where The Name and The UserName shows on the first Item on the OverFlow. So, I did this, but it's not taking any effect, any help would be appreciated. There is my code:

MyActivity.java

@Override
public boolean onPrepareOptionsMenu(Menu menu) {
    MenuItem menuItem = menu.findItem(R.id.username);
    View usname = getLayoutInflater().inflate(R.layout.action_menu_overflow, null);
    TextView uName = (TextView) usname.findViewById(R.id.profileName);
    TextView slug = (TextView) usname.findViewById(R.id.slugName);
    uName.setText("Users");
    slug.setText("Tracer");
    menuItem.setActionView(usname);
    //MenuItemCompat.setActionView(menuItem, usname);

    //menuItem.setTitle("Users");
    return super.onPrepareOptionsMenu(menu);
}

Menu.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context=".MainActivity">

    <item
        android:id="@+id/username"
        android:title="@string/username"
        app:showAsAction="never" />

    <item
        android:id="@+id/logout"
        android:title="@string/logout"
        app:showAsAction="never" />
</menu>

action_menu_overflow.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/slugLayout">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="18sp"
        android:text="New Text"
        android:id="@+id/profileName" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="16sp"
        android:layout_marginLeft="15dp"
        android:text="New Text"
        android:id="@+id/slugName" />
</LinearLayout>

回答1:

This cannot be achieved by use of PopUpMenu, which the normal android overflow menu uses since it is constrained to not easily be used with complex custom layout/adapter . However, this twitter-like overflow menu can easily be achieved by use of ListPopupWindow, which is made to be easily used with more complex layouts/adapters.

To make this simple ,you can have a function in your activity/fragment to setup the ListPopupWindow . This is an example:

public void onListPopUp(View anchor)
    {
        // This a sample dat to fill our ListView
        ArrayList<Person> personItem = new ArrayList<Person>();
        personItem.add(new Person(R.drawable.remove_placeholder_userpic, "Mamluki", "@DigitalSurgeonR"));
        personItem.add(new Person(0, "Lists", "@Lists"));
        personItem.add(new Person(0, "Drafts", "@Drafts"));
        personItem.add(new Person(0, "Accounts", "@Accounts"));
        // Initialise our adapter
        ListPopupWindowAdapter mListPopUpAdapter = new ListPopupWindowAdapter(this, personItem);

        //Initialise our ListPopupWindow instance
        final ListPopupWindow pop = new ListPopupWindow(this);
        // Configure ListPopupWindow properties
        pop.setAdapter(mListPopUpAdapter);
        // Set the view below/above which ListPopupWindow dropdowns
        pop.setAnchorView(anchor);
        // Setting this enables window to be dismissed by click outside ListPopupWindow
        pop.setModal(true);
        // Sets the width of the ListPopupWindow
        pop.setContentWidth(150);
        // Sets the Height of the ListPopupWindow
        pop.setHeight(ListPopupWindow.WRAP_CONTENT);
        // Set up a click listener for the ListView items
        pop.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapterView, View view, int position, long l) {
                // Dismiss the LisPopupWindow when a list item is clicked
                pop.dismiss();
                Toast.makeText(MainActivity.this, "Clicked ListPopUp item " + ((Person) adapterView.getItemAtPosition(position)).getName(), Toast.LENGTH_LONG).show();
            }
        });
        pop.show();
    }

This function can be called from the method override below -:

  @Override
    public boolean onOptionsItemSelected(MenuItem item)
    {
        switch (item.getItemId())
        {
            case R.id.action_overflow:
                // Works as long as list item is always visible and does not go into the menu overflow
                final View menuItemView = findViewById(R.id.action_overflow);
                onListPopUp(menuItemView);
                Log.w(LOG_TAG, "You called me OverFlow");

                return true;
            default:
            {
                return super.onOptionsItemSelected(item);
            }
        }
    }

Our adapter will extend the BaseAdapter and will have the following code snippet .

public class ListPopupWindowAdapter extends BaseAdapter {

    // ----------------------------------------
    // Variables
    // ----------------------------------------
    private Context context;
    private ArrayList<Person> personItem;
    // ----------------------------------------
    // Methods
    // ----------------------------------------

    public ListPopupWindowAdapter(Context context, ArrayList<Person> personItem)
    {
        this.context = context;
        this.personItem = personItem;
    }

    // ----------------------------------------

    public View getView(int position, View convertView, ViewGroup parent) {

        ImageView profilePic;
        TextView name;
        TextView userName;
        boolean isWithPicture = (personItem.get(position).getProfilePic() != 0);

            // Small List View , no need to recycle views
            LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

            // Is this the row with the p.picture
            if(isWithPicture)
            {
                //Layout for the top row with profile picture /Avatar
                convertView = inflater.inflate(R.layout.toolbar_overflow_item_row, parent, false);

                profilePic = (ImageView) convertView .findViewById(R.id.imageProfilePic);
                profilePic.setImageResource(personItem.get(position).getProfilePic());

                userName = (TextView) convertView .findViewById(R.id.textUsername);
                userName.setText(personItem.get(position).getUserName());
            }
            else
            {
                //Layout for the other layout without an images
                convertView = inflater.inflate(R.layout.toolbar_overflow_item_row_text, parent, false);
            }


        name = (TextView) convertView .findViewById(R.id.textViewName);
        name.setText(personItem.get(position).getName());


        return convertView ;
    }


    // ----------------------------------------
    //  Implemented
    // ----------------------------------------
    @Override
    public Object getItem(int index)
    {
        return personItem.get(index);
    }

    @Override
    public long getItemId(int position)
    {
        return position;
    }

    @Override
    public int getCount()
    {
        return personItem.size();
    }

}

We have two layouts . One for the listView top row item and another for the other rows.

toolbar_overfow_row_item.xml -top row item

<?xml version="1.0" encoding="utf-8"?> <LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    android:padding="6dp">

    <ImageView
        android:id="@+id/imageProfilePic"
        android:layout_width="40dp"
        android:layout_height="40dp"
        android:visibility="visible"
        android:src="@color/apptheme_accent_teal" />

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:paddingLeft="16dp"
        >

        <TextView
            android:id="@+id/textViewName"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Mamluki"
            android:textColor="@android:color/black"
            android:textSize="16sp" />

        <TextView
            android:id="@+id/textUsername"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:visibility="visible"
            android:paddingTop="6dp"

            android:text="\@DigitalSurgeonR"
            android:textColor="?android:attr/textColorSecondary"
            android:textSize="13sp" />

    </LinearLayout> </LinearLayout>

toolbar_overfow_row_item_text.xml -other row items

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    android:padding="14dp">

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        >

        <TextView
            android:id="@+id/textViewName"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Mamluki"
            android:textColor="@android:color/black"
            android:textSize="16sp" />


    </LinearLayout>
</LinearLayout>

Additionally , to set the position of the ListPopupWindow

we can use methods:-

 setVerticalOffset(int offset)
 setHorizontalOffset(int offset)

The Horizontal & Vertical offset are 0 by default . Setting the vertical offset to setVerticalOffset(-36) makes the ListPopupWindow overlay the actionbar/toolbar . The more negative value pushes it further up . Alternatively you can set it as a Style in your styles.xml like below

    <style name="AppThemeToolBar" parent="AppBaseThemeNoActionBar.Dark" >
            <!-- Customize your theme here. -->
    <!-- ListPopUpWindow styles -->
            <item name="listPopupWindowStyle">@style/Widget.App.ListPopupWindow</item>
        </style>

<!-- Widget styles -->
    <style name="Widget" />

    <style name="Widget.App" parent="Widget" />
    <!-- Widget ListPopUpWindow Style-->
        <style name="Widget.App.ListPopupWindow" parent="Widget.AppCompat.Light.ListPopupWindow">
            <item name="android:dropDownVerticalOffset">-36px</item>
        </style>

回答2:

It's not working because you are setting an actionView to the menu item but this item will never be shown as action : app:showAsAction="never" so unfortunately you can't go that way (if you set this to ifRoom you will have your custom layout displayed in the action bar).

To display profile name you can use setTitle but you will not have your custom layout.

I haven't find yet how to customize ActionBar dropdown menu items without creating a custom view for the ActionBar and a PopupMenu for the dropdown menu...