How to remove title bar from the android activity

Question

Can someone please help me with the issue I want my activity as full screen and  want to remove title from the screen I have tried several ways but not able to remove it   Activity Code    public class welcomepage extends Activity       private Button btn      EditText userName passWord      DatabaseHandler dbHandler      Context ctx  this       Override     protected void onCreate Bundle savedInstanceState            super onCreate savedInstanceState             Remove title bar         this requestWindowFeature Window FEATURE NO TITLE           setContentView R layout activity welcomepage            And Activity xml    lt  xml version  1 0  encoding  utf-8   gt   lt RelativeLayout    xmlns android  http   schemas android com apk res android      xmlns app  http   schemas android com apk res-auto      xmlns tools  http   schemas android com tools      android layout width  match parent      android layout height  match parent      android paddingBottom   dimen activity vertical margin      android paddingLeft   dimen activity horizontal margin      android paddingRight   dimen activity horizontal margin      android paddingTop   dimen activity vertical margin      android background   drawable pic1      app layout behavior   string appbar scrolling view behavior      tools context  com edkul vimal edkul welcomepage  gt    lt  RelativeLayout gt    I want to remove the title bar displayed in blue color  Please find the image for the reference      AndroidManifest xml   lt application         android minSdkVersion  3          android allowBackup  true          android icon   mipmap ic launcher          android label   string app name          android supportsRtl  true          android theme   style Theme AppCompat NoActionBar  gt           lt activity             android name   welcomepage              android label   string app name              android theme   style Theme AppCompat NoActionBar  gt               lt intent-filter gt                   lt action android name  android intent action MAIN    gt                   lt category    android name  android intent category LAUNCHER    gt               lt  intent-filter gt           lt  activity gt   lt  application gt

User · Answer

you just add this style in your style xml file which is in your values folder    lt style name  AppTheme NoActionBar  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 windowFullscreen  gt true lt  item gt   lt  style gt    After that set this style to your activity class in your AndroidManifest xml file   android theme   style AppTheme NoActionBar    Edit - If you are going with programmatic way to hide ActionBar then use below code in your activity onCreate   method   if getSupportedActionbar    null           this getSupportedActionBar   hide      and if you want to hide ActionBar from Fragment then   getActivity   getSupportedActionBar   hide      AppCompat v7 - Use following theme in your Activities where you don t want actiobBar Theme AppComat NoActionBar or Theme AppCompat Light NoActionBar or if you want to hide in whole app then set this theme in your  lt application      gt  in your AndroidManifest      In Kotlin    add this line of code in your onCreate   method or you can use above theme   if  supportActionBar    null          supportActionBar  hide     i hope this will help you more

User · Answer

In your Android Manifest file make sure that the activity is using this  or a  theme  that is based on   style Theme AppCompat NoActionBar  This removes the ActionBar completely  but won t make your activity fullscreen  If you want to make your activity fullscreen only use this theme   android style Theme NoTitleBar Fullscreen   Or you could change   this requestWindowFeature Window FEATURE NO TITLE     to   requestWindowFeature Window FEATURE NO TITLE    getWindow   setFlags WindowManager LayoutParams FLAG FULLSCREEN                  WindowManager LayoutParams FLAG FULLSCREEN     This is what I use to get fullscreen at runtime  if  Build VERSION SDK INT  gt   Build VERSION CODES KITKAT                    mDecorView   getWindow   getDecorView                    mDecorView setSystemUiVisibility                          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    hide nav bar                                   View SYSTEM UI FLAG FULLSCREEN    hide status bar                                   View SYSTEM UI FLAG IMMERSIVE                   To exit fullscreen I use this  mDecorView   getWindow   getDecorView    mDecorView setSystemUiVisibility                      View SYSTEM UI FLAG LAYOUT STABLE                               View SYSTEM UI FLAG LAYOUT HIDE NAVIGATION                               View SYSTEM UI FLAG LAYOUT FULLSCREEN

User · Answer

Try this    this getSupportActionBar   hide      Override protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState        try               this getSupportActionBar   hide              catch  NullPointerException e         setContentView R layout activity main

User · Answer

Add this two line in your style xml   lt item name  windowActionBar  gt false lt  item gt   lt item name  windowNoTitle  gt true lt  item gt

User · Answer

You can try    lt activity android name   YourActivityName            android theme   style Theme Design NoActionBar  gt    that works for me

User · Answer

You just add following lines of code in  style xml file   lt style name  AppTheme NoTitleBar  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 windowFullscreen  gt true lt  item gt      change apptheme in  AndroidManifest xml file  android theme   style AppTheme NoTitleBar

User · Answer

Add in activity  requestWindowFeature Window FEATURE NO TITLE     and add your style xml file  with the following two lines    lt item name  windowActionBar  gt false lt  item gt   lt item name  windowNoTitle  gt true lt  item gt

[android] How to remove title bar from the android activity?

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