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ActionBar and title not dissapearing after changes to AndroidManifest.xml and styles.xml in nativescript

Here is my AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.domain.project"
android:versionCode="1"
android:versionName="1.0">
<supports-screens
android:smallScreens="true"
android:normalScreens="true"
android:largeScreens="true"
android:xlargeScreens="true"/>
<uses-sdk
android:minSdkVersion="17"
android:targetSdkVersion="25"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.INTERNET"/>
<application
android:name="com.tns.NativeScriptApplication"
android:allowBackup="true"
android:icon="#drawable/icon"
android:label="#string/app_name"
android:theme="#style/AppTheme">
<activity
android:name="com.tns.NativeScriptActivity"
android:label="#string/title_activity_kimera"
android:configChanges="keyboardHidden|orientation|screenSize"
android:theme="#style/LaunchScreenTheme">
<meta-data android:name="SET_THEME_ON_LAUNCH" android:resource="#style/AppTheme" />
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="com.tns.ErrorReportActivity"/>
</application>
</manifest>
And here is my values/styles.xml
<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<!-- theme to use FOR launch screen-->
<style name="LaunchScreenThemeBase" parent="Theme.AppCompat.Light.NoActionBar">
<!--<item name="toolbarStyle">#style/NativeScriptToolbarStyle</item>-->
<item name="colorPrimary">#color/ns_primary</item>
<item name="colorPrimaryDark">#color/ns_primaryDark</item>
<item name="colorAccent">#color/ns_accent</item>
<item name="android:windowNoTitle">true</item>
<item name="android:windowActionBar">false</item>
<item name="android:windowFullscreen">false</item>
<item name="android:windowContentOverlay">#null</item>
<item name="android:windowBackground">#drawable/splash_screen</item>
<item name="android:windowActionBarOverlay">false</item>
<item name="android:windowTranslucentStatus">true</item>
</style>
<style name="LaunchScreenTheme" parent="LaunchScreenThemeBase">
</style>
<!-- theme to use AFTER launch screen is loaded-->
<style name="AppThemeBase" parent="Theme.AppCompat.Light.NoActionBar">
<!--<item name="toolbarStyle">#style/NativeScriptToolbarStyle</item>-->
<item name="colorPrimary">#color/ns_primary</item>
<item name="colorPrimaryDark">#color/ns_primaryDark</item>
<item name="colorAccent">#color/ns_accent</item>
<item name="android:windowNoTitle">true</item>
<item name="android:windowActionBar">false</item>
<item name="android:windowFullscreen">false</item>
<item name="android:windowContentOverlay">#null</item>
</style>
<style name="AppTheme" parent="AppThemeBase">
</style>
<!-- theme for actioon-bar
<style name="NativeScriptToolbarStyleBase" parent="Widget.AppCompat.Toolbar">
<item name="android:background">#color/ns_primary</item>
<item name="theme">#style/ThemeOverlay.AppCompat.ActionBar</item>
<item name="popupTheme">#style/ThemeOverlay.AppCompat</item>
</style>
<style name="NativeScriptToolbarStyle" parent="NativeScriptToolbarStyleBase">
</style> -->
</resources>
I can change values in android:windowFullscreen and the app goes fullscreen or not, accordingly to the boolean set. So, I know that the manifest file is being parsed correctly. However, the title bar / action bar / toolbar is simply never hiding and always appears with the app in the title.
I am using this angular seed, not sure if relevant: https://github.com/TeamMaestro/angular-native-seed
I've been stuck in this for some time now, can someone help? Thanks :)

I can change values in android:windowFullscreen and the app goes
fullscreen or not, accordingly to the boolean set. So, I know that the
manifest file is being parsed correctly. However, the title bar /
action bar / toolbar is simply never hiding and always appears with
the app in the title.
Your manifest is correct, but your preview is set up wrong. You have to remember that the Android Studio preview doesn't reflect how your application will actually look when run on a real device.
I created a dummy project to explain. Here is code that removes the action bar, similar to what you have:
android:theme="#style/Theme.AppCompat.Light.NoActionBar">
Which looks like this in source code:
<style name="Theme.AppCompat.Light.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
Now this clearly tells the app to not show an action bar, just like your theme does. However, if you look at the preview, you will see this:
So then how do you make your preview accurately reflect your theme? Well, click here:
And adjust your theme to include no action bar!
As a result, you have no action bar in the preview and in the application:
Let me know if this was helpful!

i Go Through Your Code and havent found any Problem ,But Maybe There is issue with code but U can Try Compare with This style that works for me:
<resources>
<!-- 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>
</style>
<style name="AppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>

Add this code to style.xml
<style name="AppTheme.NoActionBar.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
and add this code to AndroidManifest.xml
<activity
android:name="com.tns.NativeScriptActivity"
android:label="#string/title_activity_kimera"
android:configChanges="keyboardHidden|orientation|screenSize"
android:theme="#style/AppTheme.NoActionBar.NoActionBar">
<meta-data android:name="SET_THEME_ON_LAUNCH" android:resource="#style/AppTheme" />
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="com.tns.ErrorReportActivity"
android:theme="#style/AppTheme.NoActionBar.NoActionBar"/>

Try this in your styles.xml
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<item name="android:windowNoTitle">true</item>
<item name="windowActionBar">false</item>
<!-- Customize your theme here. -->

Unable to use any other theme in android studio

I am new to android development and was developing an overflow menu. I had to change the theme of my project to holo.light to make the action bar visible, but when I try to do so following error occurs ;
After a lot of searching on the internet I realised that only the themes that begin with AppCompat.something.something were working properly. All the rest were not rendered.
Please help.
styles.xml
<resources>
<!-- 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>
</style>
<style name="AppTheme.NoActionBar">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
</style>
<style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
<style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
</resources>
androidmanifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.naveenjain.test7">
<application
android:allowBackup="true"
android:icon="#mipmap/ic_launcher"
android:label="#string/app_name"
android:supportsRtl="true"
android:theme="#style/AppTheme">
<activity
android:name=".MainActivity"
android:label="#string/app_name"
android:theme="#style/AppTheme.NoActionBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>

You are getting this error because android studio is not able to render correct theme for this layout.
This is android studio problem. if you run this application it will run successfully. to solve this problem
Select Design tab in android studio when you open layout.
2.Select Theme option from tool bar area in android studio.
A window will appear choose project theme.
Your all project theme appear in right side section.
Select appropriate theme.
these steps will solve this error.

Actionbar does not show up in devices, but in emulator does

I have been developing an app and I was using an emulator as tester. When the app was finished I tested it in an Android 5 and also 4 but the Actionbar just won't show up. The platform of the emulator is 5.1.1 as the first phone where I tested it. The only thing that came into my mind is the manifest file that could contain something wrong, here it is:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.flexenergy.swapp"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="11"
android:targetSdkVersion="22" />
<uses-permission android:name="android.permission.INTERNET"/>
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/myActionBarTheme" >
<activity
android:name="com.flexenergy.swapp.MainActivity"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
Another thing, I have a drawable listview menu on the left that should appear by pressing on the actionbar (which is not shown) but it does come up if I slide a finger from left to right.
The only styles.xml is the following (and I place it in values-v22, values-v11, etc):
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!--theme applied to the application or activity-->
<style name="myActionbarTheme" parent="android:Theme.Holo">
<item name="android:actionBarStyle">#style/MyActionBar</item>
<item name="android:actionBarTabTextStyle">#style/MyActionBarTabText</item>
<item name="android:actionMenuTextColor">#color/lightBlue</item>
</style>
<!-- actionBar styles -->
<style name="MyActionBar" parent="android:Widget.Holo.ActionBar">
<item name="android:titleTextStyle">#style/MyActionBarTitleText</item>
</style>
<!-- actionBar title text -->
<style name="MyActionBarTitleText" parent="android:TextAppearance.Holo.Widget.ActionBar.Title">
<item name="android:textColor">#color/lightBlue</item>
<item name="android:textSize">20sp</item>
</style>
<!-- actionBar tabs text styles -->
<style name="MyActionBarTabText" parent="android:Widget.Holo.ActionBar.TabText">
<item name="android:textColor">#color/lightBlue</item>
</style>
<!--
Base application theme, dependent on API level. This theme is replaced
by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
-->
<style name="AppBaseTheme" parent="android:Theme.Light">
<!--
Theme customizations available in newer API levels can go in
res/values-vXX/styles.xml, while customizations related to
backward-compatibility can go here.
-->
</style>
<!-- Application theme. -->
<style name="AppTheme" parent="AppBaseTheme">
<!-- All customizations that are NOT specific to a particular API-level can go here. -->
</style>
</resources>

Android: Custom Action Bar Theme Error - (No Resource Found that Matches . . .)

I am working with Android in Eclipse.
So I'm trying to implement a custom theme, and I keep getting this error from my manifest file:
error: Error: No resource found that matches the given name (at 'theme' with value
'#android:style/CustomActionBarTheme').
Ideas? Thanks!
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.myfirstapp"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="11"
android:targetSdkVersion="19" />
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#android:style/CustomActionBarTheme" >
<activity
android:name="com.example.myfirstapp.MainActivity"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<!-- A child of the main activity -->
<activity
android:name="com.example.myfirstapp.DisplayMessageActivity"
android:label="#string/title_activity_display_message"
android:parentActivityName="com.example.myfirstapp.MainActivity" >
<!-- Parent activity meta-data to support 4.0 and lower -->
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.example.myfirstapp.MainActivity" />
</activity>
</application>
</manifest>
Themes.xml (Custom theme)
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!-- the theme applied to the application or activity -->
<style name="CustomActionBarTheme"
parent="#android:style/Theme.Holo">
<item name="android:windowActionBarOverlay">true</item>
<item name="android:actionBarTabTextStyle">#style/MyActionBarTabText</item>
<item name="android:actionMenuTextColor">#color/actionbar_text</item>
</style>
<!-- ActionBar Styles -->
<style name="MyActionBar"
parent="android:style/Widget.Holo.ActionBar">
<item name="android:titleTextStyle">#style/MyActionBarTitleText</item>
</style>
<!-- ActionBar title text -->
<style name="MyActionBarTitleText"
parent="android:style/TextAppearance.Holo.Widget.ActionBar.Title">
<item name="android:textColor">#color/actionbar_text</item>
</style>
<!-- ActionBar tabs text styles -->
<style name="MyActionBarTabText"
parent="#android:style/Widget.Holo.ActionBar.TabText">
<item name="android:textColor">#color/actionbar_text</item>
</style>
</resources>
Styles.xml
<resources>
<!--
Base application theme, dependent on API level. This theme is replaced
by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
-->
<style name="AppBaseTheme" parent="#android:Theme.Holo.Light">
<!--
Theme customizations available in newer API levels can go in
res/values-vXX/styles.xml, while customizations related to
backward-compatibility can go here.
-->
</style>
<!-- Application theme. -->
<style name="AppTheme" parent="AppBaseTheme">
<!-- All customizations that are NOT specific to a particular API-level can go here.
-->
</style>
</resources>

You're referencing the system's resources when you use #android:.... Instead use #style/CustomActionBarTheme.

You need to use
android:theme="#style/CustomActionBarTheme
You are referring to the style in your themes.xml.
There is not resource with the name #android:style/CustomActionBarTheme

After applying custom theme Action bar dosen't show up

I have an application using action bar
styles.xml
<resources xmlns:android="http://schemas.android.com/apk/res/android">
<!--
Base application theme, dependent on API level. This theme is replaced
by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
-->
<style name="AppBaseTheme" parent="android:Theme.Light">
<!--
Theme customizations available in newer API levels can go in
res/values-vXX/styles.xml, while customizations related to
backward-compatibility can go here.
-->
</style>
<!-- Application theme. -->
<style name="AppTheme" parent="AppBaseTheme">
<!-- All customizations that are NOT specific to a particular API-level can go here. -->
</style>
<color name="custom_theme_color">#ffa900</color>
<style name="CustomTheme" parent="android:Theme.Light">
<item name="android:windowBackground">#color/custom_theme_color</item>
<item name="android:colorBackground">#color/custom_theme_color</item>
</style>
</resources>
manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.actionbar"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="11"
android:targetSdkVersion="18" />
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/CustomTheme" >
<activity
android:name="com.example.actionbar.ActionBarActivity"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
My Question is that initially by default it was using Theme.Light and action bar is displayed but when I have customized a theme using parent as Theme.Light it dosen't work but if I use parent as Theme.Holo then it works for custom theme. Anyone any Idea.

Here is what I have done. It is working perfectly for me. In Res->value->style
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!-- the theme applied to the application or activity -->
<style name="CustomTheme"
parent="#style/Theme.Light">
<item android:name="actionBarStyle">#style/MyActionBar</item>
</style>
<!-- ActionBar styles -->
<style android:name="MyActionBar"
parent="#style/Widget.AppCompat.Light.ActionBar.Solid.Inverse">
<item android:name="background">#drawable/actionbar_background</item>
</style>
</resources>
Then in drawable folder(create one if you don't have it),create a new xml actionbar_background and paste the below code in it.
<?xml version="1.0" encoding="utf-8"?>
<bitmap android:tileMode="repeat"
android:src="#drawable/ab_texture_tile_example"
xmlns:android="http://schemas.android.com/apk/res/android"/>
Then you place your custom colour in the other drawable folders. Here ab_texture_title_example is my background colour used.