Android custom navigation drawer menu item with SwitchCompat

This post will walk you through how to create a custom menu item in the navigation drawer menu, with a toggle on and off button on the right using app:actionLayout and a custom layout with SwitchCompat.

1. Create an sample android app from the Android Studio and choose navigation drawer as your default template.

2. Create a layout file action_view_switch.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal" android:layout_width="match_parent"
    android:layout_height="match_parent">
    <android.support.v7.widget.SwitchCompat
        android:id="@+id/switcher"
        android:layout_width="fill_parent"
        android:layout_height="match_parent"
        android:text=""/>
</LinearLayout>

3. Replace the content in the res/menu/activity_main_drawer.xml with the following

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <group android:checkableBehavior="single">
        <item
            android:id="@+id/nav_camera"
            android:title="Import" />
        <item android:id="@+id/nav_switch"
            app:actionLayout="@layout/action_view_switch"
            android:title="Switch" />
    </group>
</menu>

4. Add a class field in MainActivity.java

private SwitchCompat switcher;

5. Add the following code in the onCreate method in MainActivity.java


Menu menu = navigationView.getMenu();
MenuItem menuItem = menu.findItem(R.id.nav_switch);
View actionView = MenuItemCompat.getActionView(menuItem);

switcher = (SwitchCompat) actionView.findViewById(R.id.switcher);
switcher.setChecked(true);
switcher.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
            Snackbar.make(v, (switcher.isChecked()) ? "is checked!!!" : "not checked!!!", Snackbar.LENGTH_SHORT).setAction("Action", null).show();
            }
        });

6. Replace the code in onNavigationItemSelected in MainActivity.java with the following.

int id = item.getItemId();

if (id == R.id.nav_camera) {
    // Handle the camera action
} else if (id == R.id.nav_switch) {
    switcher.setChecked(!switcher.isChecked());
    Snackbar.make(item.getActionView(), (switcher.isChecked()) ? "is checked" : "not checked", Snackbar.LENGTH_SHORT).setAction("Action", null).show();
}

DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;

7. Run the app, open the navigation drawer menu, you should see the second item on the menu has a toggle on off button on the right.

References:
https://github.com/codepath/android_guides/wiki/Fragment-Navigation-Drawer
http://stackoverflow.com/questions/37361091/android-something-like-navigation-drawer-with-custom-filling

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