waseefakhtar

setSupportActionBar(findViewById(R.id.toolbar))

waseefakhtar

val drawer = findViewById(R.id.drawer)
val drawerToggle = ActionBarDrawerToggle(this, drawer, R.string.open, R.string.close)
drawer.addDrawerListener(drawerToggle)
drawerToggle.syncState()

supportActionBar?.setDisplayHomeAsUpEnabled(true)

waseefakhtar

override fun onOptionsItemSelected(item: MenuItem): Boolean {
        return when (item.itemId) {
            android.R.id.home -> {
                drawer.openDrawer(GravityCompat.START)
                true
            }
            else -> super.onOptionsItemSelected(item)
        }
}

waseefakhtar

override fun onBackPressed() {
        if (drawer.isDrawerOpen(GravityCompat.START)) {
            drawer.closeDrawer(GravityCompat.START)
        } else {
            super.onBackPressed()
        }
}

waseefakhtar

<resources>
    <attr name="colorNavigationItem" format="color" />
    <attr name="colorNavigationItemSelected" format="color" />

    <attr name="drawableNavigationItemBackground" format="reference" />
</resources>

waseefakhtar

<item name="colorNavigationItem">@color/menu_item_color_state</item>
<item name="colorNavigationItemSelected">@color/colorWhite</item>
<item name="drawableNavigationItemBackground">@drawable/menu_background_color_state</item>

waseefakhtar

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:color="?attr/colorNavigationItemSelected" android:state_checked="true" />
    <item android:color="?attr/colorPrimary" android:state_checked="false"/>
</selector>

waseefakhtar

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:drawable="@color/colorPrimary"
        android:state_checked="true"
        />
</selector>

waseefakhtar

<color name="colorWhite">#FFFFFF</color>

waseefakhtar

<style name="Widget.Custom.NavigationView" parent="Widget.Design.NavigationView">
        <item name="itemIconTint">?attr/colorNavigationItem</item>
        <item name="itemTextColor">?attr/colorNavigationItem</item>
        <item name="itemBackground">?attr/drawableNavigationItemBackground</item>
</style>