Toolbar navigation icon never set

Question

I'm trying the new Toolbar component and having some trouble with the navigation icon. I want to implement a custom icon for back navigation :

In my manifest i set a parent to my activity :

<activity android:name=".CardsActivity" android:parentActivityName=".MainActivity">     <!-- Parent activity meta-data to support API level 7+ -->     <meta-data         android:name="android.support.PARENT_ACTIVITY"         android:value=".MainActivity" /> </activity> 

I declare the toolbar like this :

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:paddingBottom="@dimen/activity_vertical_margin"     tools:context="com.example.lollitest.MainActivity" >          <android.support.v7.widget.Toolbar         android:id="@+id/my_awesome_toolbar"         android:layout_height="wrap_content"         android:layout_width="match_parent"         android:minHeight="?attr/actionBarSize"         android:layout_marginBottom="10dp"         android:background="?attr/colorPrimary" />      <TextView         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_below="@+id/my_awesome_toolbar"         android:text="@string/hello_world" />  </RelativeLayout> 

Then in my activity i configure the Toolbar like this :

Toolbar toolbar = (Toolbar) findViewById(R.id.my_awesome_toolbar); toolbar.setNavigationIcon(R.drawable.ic_good); toolbar.setTitle("Title"); toolbar.setSubtitle("Sub"); toolbar.setLogo(R.drawable.ic_launcher); setSupportActionBar(toolbar); 

Which giving me :

The back icon is not the one i set with setNavigationIcon() ! Whatever drawable i give to the method the navigation icon is always the back arrow.

I have tried to remove the parent association in the manifest but the only effect is (obviously) to prevent the button to go back.

On contrary if i want the default back arrow icon and don't call setNavigationIcon() i don't have any icon at all.

What is the correct way to handle the navigation icon in toolbar (custom and default) ?

NOte : i'm running my test on Android 4.4

Answer 1

Currently you can use it, changing the order: (it seems to be a bug)

Toolbar toolbar = (Toolbar) findViewById(R.id.my_awesome_toolbar); setSupportActionBar(toolbar);  toolbar.setNavigationIcon(R.drawable.ic_good); toolbar.setTitle("Title"); toolbar.setSubtitle("Sub"); toolbar.setLogo(R.drawable.ic_launcher); 

Answer 2

Specific to the navigation icon, this is the correct order

// get the actionbar as Toolbar and set it up Toolbar toolbar = (Toolbar) findViewById(R.id.signIn_toolbar); setSupportActionBar(toolbar); 

Inform the Toolbar to provide back navigation. This will set the icon to the default material icon

getSupportActionBar().setDisplayHomeAsUpEnabled(true); 

Later override the icon with the custom one, in my case the Holo back icon

toolbar.setNavigationIcon(R.drawable.ic_chevron_left_white_36dp);