How to Add Navigation Drawer Below App Bar and Set Menu Icon

How to Add Navigation Drawer Below App Bar and Set Menu Icon

Introduction

Navigation drawers are a popular design pattern used in Android apps to provide quick access to various sections of the app. In this blog post, we will explore how to add a navigation drawer below the app bar and set a menu icon.

Creating a Navigation Drawer

To create a navigation drawer, you need to add a DrawerLayout to your activity’s layout file. The DrawerLayout should contain two main components: the app bar and the navigation drawer. The app bar is typically represented by a Toolbar, while the navigation drawer is represented by a RecyclerView or a ListView.

Adding Navigation Drawer Below App Bar

To add the navigation drawer below the app bar, you need to use the `android:layout_below` attribute in your layout file. This will ensure that the navigation drawer is positioned below the app bar.

“`xml

xmlns:android=”http://schemas.android.com/apk/res/android”

android:layoutwidth=”matchparent”

android:layoutheight=”matchparent”>

android:layoutwidth=”matchparent”

android:layoutheight=”matchparent”

android:orientation=”vertical”>

android:layoutwidth=”matchparent”

android:layoutheight=”wrapcontent”

android:theme=”@style/ThemeOverlay.AppCompat.Dark.ActionBar”>

android:id=”@+id/toolbar”

android:layoutwidth=”matchparent”

android:layout_height=”?attr/actionBarSize”

android:background=”?attr/colorPrimary”

app:popupTheme=”@style/ThemeOverlay.AppCompat.Light”

app:theme=”@style/ThemeOverlay.AppCompat.Dark.ActionBar” />

android:id=”@+id/frame_layout”

android:layoutwidth=”matchparent”

android:layoutheight=”matchparent” />

android:id=”@+id/navigation_view”

android:layoutwidth=”wrapcontent”

android:layoutheight=”matchparent”

android:layout_gravity=”start”

app:menu=”@menu/navigation_menu” />

“`

Setting Menu Icon

To set the menu icon, you need to use the `setSupportActionBar` method and then use the `setHomeAsUpIndicator` method to set the menu icon.

“`java

Toolbar toolbar = findViewById(R.id.toolbar);

setSupportActionBar(toolbar);

getSupportActionBar().setDisplayHomeAsUpEnabled(true);

getSupportActionBar().setHomeAsUpIndicator(R.drawable.menu_icon);

“`

Conclusion

In this blog post, we explored how to add a navigation drawer below the app bar and set a menu icon. By following these steps, you can create a navigation drawer that is positioned below the app bar and has a custom menu icon.

FAQ

1. What is a navigation drawer?

A navigation drawer is a design pattern used in Android apps to provide quick access to various sections of the app.

2. How do I create a navigation drawer?

To create a navigation drawer, you need to add a DrawerLayout to your activity’s layout file.

3. What is the purpose of the `android:layout_below` attribute?

The `android:layout_below` attribute is used to position a view below another view.

4. How do I set a custom menu icon?

To set a custom menu icon, you need to use the `setHomeAsUpIndicator` method.

5. Can I use a RecyclerView or a ListView for the navigation drawer?

Yes, you can use either a RecyclerView or a ListView for the navigation drawer, depending on your requirements.