This Activity already has an action bar supplied b

Question

Trying to move over my stuff to use Toolbar instead of action bar but I keep getting an error saying

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.tyczj.weddingalbum/com.xxx.xxx.MainActivity}: java.lang.IllegalStateException: This Activity already has an action bar supplied by the window decor. Do not request Window.FEATURE_ACTION_BAR and set windowActionBar to false in your theme to use a Toolbar instead.
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
            at android.app.ActivityThread.access$600(ActivityThread.java:141)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
            at android.os.Handler.dispatchMessage(Handler.java:99)
            at android.os.Looper.loop(Looper.java:137)
            at android.app.ActivityThread.main(ActivityThread.java:5039)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:511)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
            at dalvik.system.NativeStart.main(Native Method)
     Caused by: java.lang.IllegalStateException: This Activity already has an action bar supplied by the window decor. Do not request Window.FEATURE_ACTION_BAR and set windowActionBar to false in your theme to use a Toolbar instead.
            at android.support.v7.app.ActionBarActivityDelegateBase.setSupportActionBar(ActionBarActivityDelegateBase.java:165)
            at android.support.v7.app.ActionBarActivity.setSupportActionBar(ActionBarActivity.java:92)
            at com.xxx.xxx.MainActivity.onCreate(MainActivity.java:113)
            at android.app.Activity.performCreate(Activity.java:5104)
            at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
            at android.app.ActivityThread.access$600(ActivityThread.java:141)
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
            at android.os.Handler.dispatchMessage(Handler.java:99)
            at android.os.Looper.loop(Looper.java:137)
            at android.app.ActivityThread.main(ActivityThread.java:5039)
            at java.lang.reflect.Method.invokeNative(Native Method)
            at java.lang.reflect.Method.invoke(Method.java:511)
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
            at dalvik.system.NativeStart.main(Native Method)

so then I added in my style for my activity to have no actionbar

<style name="AppCompatTheme" parent="@style/Theme.AppCompat.Light">
        <item name="android:windowActionBar">false</item>
</style>

and the theme is applies to activties in my manifest

<activity
        android:name=".MainActivity"
        android:windowSoftInputMode="adjustResize|stateHidden"
        android:theme="@style/AppCompatTheme" android:screenOrientation="portrait"/>

MainActivity extends GooglePlayServiceActivity so I also set the theme there too

<activity
       android:name=".GooglePlayServicesActivity"
       android:label="@string/title_activity_google_play_services"
       android:theme="@style/AppCompatTheme">

but I still get the error. I also do not request window feature anywhere. any ideas why I still get this?

Answer 1

This is how I solved the problem. Add below code in your AndroidMainfest.xml

<activity android:name=".YourClass"
            android:theme="@style/Theme.AppCompat.Light.NoActionBar">
 </activity>

Answer 2

If you want to combine some activities with actionbar and others not, you should use the base theme have actionbar enabled and then create a sub theme that you gonna use it on activities that don't require actionbar

For example you can use a sub style like this

             <style name="AppTheme.NoActionBar">
               <item name="windowActionBar">false</item>
               <item name="windowNoTitle">true</item>
            </style>

While the base theme extends say

    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">

and then use the non actionbar theme in the AndroidManifest File within the activity tag say

   <activity
        android:name="com.example.NonActionBarActivity"
        android:theme="@style/AppTheme.NoActionBar"

you must apply this to each individual activity that don't need actionbar so if your project requires fewer action bar activities than non, then it's better to apply this on the base theme level

Answer 3

I had toolbar added in my xml. Then in my activity i was adding this statement:

setSupportActionBar(toolbar);

Removing this worked for me. I hope it helps someone.

Answer 4

Another easy way is to make your theme a child of Theme.AppCompat.Light.NoActionBar like so:

<style name="NoActionBarTheme" parent="Theme.AppCompat.Light.NoActionBar">
     ...
</style>

Answer 5

Add this two line in your app theme located in style.xml:-

 <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
    <!-- Customize your theme here. -->
    <item name="colorPrimary">@color/colorPrimary</item>
    <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
    <item name="colorAccent">@color/colorAccent</item>

    //Add this two line will fix your problem
    <item name="windowNoTitle">true</item>   <--1(this applies after 22.0.1 support library i think 
    <item name="windowActionBar">true</item> <--2

Answer 6

I think you're developing for Android Lollipop, but anyway include this line:

<item name="windowActionBar">false</item> 

to your theme declaration inside of your app/src/main/res/values/styles.xml.

Also, if you're using AppCompatActivity support library of version 22.1 or greater, add this line:

<item name="windowNoTitle">true</item>

Your theme declaration may look like this after all these additions:

<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
    <!-- Customize your theme here. -->
    <item name="colorPrimary">@color/colorPrimary</item>
    <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
    <item name="colorAccent">@color/colorAccent</item>
    <item name="windowActionBar">false</item>
    <item name="windowNoTitle">true</item>
</style>