Full Screen Theme for AppCompat

Question

I would like to know how can I apply full screen theme   no title bar   no actionbar   to an activity  I am using AppCompat library from support package v7    I ve tried to applied android theme   android style Theme NoTitleBar Fullscreen  to my specific activity but it crashed  I think it s because my application theme is like this    lt style name  AppTheme  parent  Theme AppCompat Light DarkActionBar  gt    I also have tried this   getWindow   setFlags WindowManager LayoutParams FLAG FULLSCREEN              WindowManager LayoutParams FLAG FULLSCREEN     which only hides title bar but not the action bar   My current workaround is that hiding the actionbar with   getSupportActionBar   hide

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requestWindowFeature Window FEATURE NO TITLE

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To remove title bar in AppCompat        Override     protected void onCreate Bundle savedInstanceState            supportRequestWindowFeature Window FEATURE NO TITLE           super onCreate savedInstanceState

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Issues arise among before and after versions of Android 4 0  API level 14    from here  I created my own solution    SuppressLint  NewApi    Override protected void onResume         super onResume         if  Build VERSION SDK INT  lt  16                   Hide the status bar         getWindow   setFlags WindowManager LayoutParams FLAG FULLSCREEN  WindowManager LayoutParams FLAG FULLSCREEN              Hide the action bar         getSupportActionBar   hide              else                  Hide the status bar         getWindow   getDecorView   setSystemUiVisibility View SYSTEM UI FLAG FULLSCREEN             Hide the action bar         getActionBar   hide              I write this code in onResume   method because if you exit from your app and then you reopen it  the action bar remains active   and so this fix the problem   I hope it was helpful

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This theme only works after API 21 included   And make both the StatusBar and NavigationBar transparent    lt style name  TransparentAppTheme  parent  Theme AppCompat Light DarkActionBar  gt     lt item name  windowActionBar  gt false lt  item gt     lt item name  windowNoTitle  gt true lt  item gt     lt item name  android statusBarColor  gt  android color transparent lt  item gt     lt item name  android windowBackground  gt  android color transparent lt  item gt     lt item name  android navigationBarColor  gt  android color transparent lt  item gt     lt item name  android windowIsTranslucent  gt true lt  item gt     lt item name  android windowContentOverlay  gt  null lt  item gt   lt  style gt

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lt style name  Theme AppCompat Light NoActionBar FullScreen  parent   style Theme AppCompat Light  gt   lt item name  windowNoTitle  gt true lt  item gt   lt item name  windowActionBar  gt false lt  item gt   lt item name  android windowFullscreen  gt true lt  item gt   lt item name  android windowContentOverlay  gt  null lt  item gt

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You can try the following        lt style name  AppTheme NoActionBar  parent  Theme AppCompat Light NoActionBar  gt               lt item name  android windowFullscreen  gt true lt  item gt   lt  style gt

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To hide both status bar and action bar and make your activity full-screen use the following code in your activity s onResume   or onWindowFocusChanged   method    Override protected void onResume         super onResume        View decorView   getWindow   getDecorView        decorView setSystemUiVisibility              View SYSTEM UI FLAG IMMERSIVE STICKY               View SYSTEM UI FLAG LAYOUT STABLE               View SYSTEM UI FLAG LAYOUT HIDE NAVIGATION               View SYSTEM UI FLAG LAYOUT FULLSCREEN               View SYSTEM UI FLAG HIDE NAVIGATION               View SYSTEM UI FLAG FULLSCREEN       You can find more Information in the following links    https   developer android com training system-ui immersive EnableFullscreen Full Screen without navigation  amp  status bars How to hide the soft-key bar on Android phone    Note  Using the xml solutions provide in this thread I could only hide the status bar but not the navigation bar

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just this     lt style name  Theme AppCompat Light NoActionBar FullScreen  gt       lt item name  android windowFullscreen  gt true lt  item gt   lt  style gt

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Your  workaround   hiding the actionBar yourself  is the normal way  But google recommands to always hide the ActionBar when the TitleBar is hidden  Have a look here  https   developer android com training system-ui status html

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It should be parent   style Theme AppCompat Light NoActionBar    lt style name  Theme AppCompat Light NoActionBar FullScreen   parent   style Theme AppCompat Light NoActionBar  gt       lt item name  android windowNoTitle  gt true lt  item gt       lt item name  android windowActionBar  gt false lt  item gt       lt item name  android windowFullscreen  gt true lt  item gt       lt item name  android windowContentOverlay  gt  null lt  item gt   lt  style gt

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lt style name  Theme AppCompat Light NoActionBar  parent   style Theme AppCompat  gt       lt item name  android windowNoTitle  gt true lt  item gt       lt item name  android windowFullscreen  gt true lt  item gt   lt  style gt    Using the above xml in style xml  you will be able to hide the title as well as action bar

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When you use Theme AppCompat in your application you can use FullScreenTheme by adding the code below to styles    lt style name  Theme AppCompat Light NoActionBar FullScreen  parent   style Theme AppCompat Light NoActionBar  gt       lt item name  android windowNoTitle  gt true lt  item gt       lt item name  android windowActionBar  gt false lt  item gt       lt item name  android windowFullscreen  gt true lt  item gt       lt item name  android windowContentOverlay  gt  null lt  item gt   lt  style gt    and also mention in your manifest file    lt activity    android name   activities FullViewActivity     android theme   style Theme AppCompat Light NoActionBar FullScreen     gt

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Based on the answer by  nebyan  I found that the action bar is still not hiding   The following code works for me    lt style name  AppFullScreenTheme  parent  Theme AppCompat Light NoActionBar  gt       lt item name  android windowNoTitle  gt true lt  item gt       lt item name  android windowActionBar  gt false lt  item gt       lt item name  android windowFullscreen  gt true lt  item gt       lt item name  android windowContentOverlay  gt  null lt  item gt   lt  style gt    and of course dont forgot to edit your AndroidManifest file    lt activity     android name  YOUR ACTIVITY NAME      android theme   style AppFullScreenTheme     gt

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Simply at this guys to your Style    lt style name  AppTheme  parent   style Theme AppCompat Light  gt   lt item name  windowNoTitle  gt true lt  item gt   lt item name  windowActionBar  gt false lt  item gt   lt item name  android windowFullscreen  gt true lt  item gt   lt item name  android windowContentOverlay  gt  null lt  item gt   lt  style gt

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You can follow below step -  AndoridMenifest xml   lt activity             android name   ui FullImageActivity              android label   string title activity main              android screenOrientation  landscape              android theme   style DialogTheme  gt           lt  activity gt    Style xml   lt style name  DialogTheme  parent  android Theme Dialog  gt        lt item name  android layout width  gt fill parent lt  item gt       lt item name  android layout height  gt fill parent lt  item gt       lt  -- No backgrounds  titles or window float -- gt       lt item name  android windowNoTitle  gt false lt  item gt       lt item name  android windowFullscreen  gt true lt  item gt       lt item name  android windowIsFloating  gt false lt  item gt   lt  style gt    FullImageActivity java   Override protected void onCreate Bundle savedInstanceState           TODO Auto-generated method stub     super onCreate savedInstanceState       requestWindowFeature Window FEATURE NO TITLE       getWindow   setLayout LayoutParams MATCH PARENT  LayoutParams MATCH PARENT       setContentView R layout image view            I hope it will help  Thanks

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protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout activity main          to remove  information bar  above the action bar     getWindow   setFlags WindowManager LayoutParams FLAG FULLSCREEN              WindowManager LayoutParams FLAG FULLSCREEN         to remove the action bar  title bar      getSupportActionBar   hide

[android] Full Screen Theme for AppCompat

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