Height of status bar in Android

Question

What s the height of the status bar in Android  Is it always the same   From my measurements it seems that it s 25dp  but I m not sure if it has the same height on all platforms    I want to know this to properly implement a fade transition from an activity that doesn t have status bar to one that does

User · Answer

I ve merged some solutions together   public static int getStatusBarHeight final Context context        final Resources resources   context getResources        final int resourceId   resources getIdentifier  status bar height    dimen    android        if  resourceId  gt  0          return resources getDimensionPixelSize resourceId       else         return  int  Math ceil  VERSION SDK INT  gt   VERSION CODES M   24   25    resources getDisplayMetrics   density           another alternative        final View view   findViewById android R id content       runJustBeforeBeingDrawn view  new Runnable              Override         public void run                 int statusBarHeight   getResources   getDisplayMetrics   heightPixels - view getMeasuredHeight                        EDIT  Alternative to runJustBeforeBeingDrawn  https   stackoverflow com a 28136027 878126

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Try this       Rect rect   new Rect        Window win   this getWindow        win getDecorView   getWindowVisibleDisplayFrame rect       int statusBarHeight   rect top      int contentViewTop   win findViewById Window ID ANDROID CONTENT  getTop        int titleBarHeight   contentViewTop - statusBarHeight      Log d  ID-ANDROID-CONTENT    titleBarHeight       titleBarHeight      it didn t work for me in the onCreate method for the activity  but did when I put it in an onClickListener and gave me a measurement of 25

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this question was answered before    Height of statusbar   Update    Current method   ok  the height of the status bar depends on the screen size  for example in a device  with 240 X 320 screen size the status bar height is 20px  for a device with 320 X 480 screen size the status bar height is 25px  for a device with 480 x 800 the status bar height must be 38px  so i recommend  to use this script to get the status bar height  Rect rectangle   new Rect    Window window   getWindow    window getDecorView   getWindowVisibleDisplayFrame rectangle   int statusBarHeight   rectangle top  int contentViewTop        window findViewById Window ID ANDROID CONTENT  getTop    int titleBarHeight  contentViewTop - statusBarHeight      Log i      Elenasys        StatusBar Height      statusBarHeight       TitleBar Height       titleBarHeight       old Method  to get the Height of the status bar on the onCreate   method of your Activity  use this method   public int getStatusBarHeight            int result   0        int resourceId   getResources   getIdentifier  status bar height    dimen    android          if  resourceId  gt  0              result   getResources   getDimensionPixelSize resourceId                  return result

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This issue recently became relevant for me because of the notch in my Pixel 3XL   I really liked android developer s solution  but I wanted to be able to get the status bar height at will  since it was specifically necessary for a full screen animation that I needed to play   The function below enabled a reliable query   private val DEFAULT INSET   96 fun getInsets view  View    Int        var inset   DEFAULT INSET      if  Build VERSION SDK INT  gt   Build VERSION CODES M     Safe because only P supports notches           inset   view  rootWindowInsets  stableInsetTop    DEFAULT INSET             return inset    fun blurView rootView  View   a  SpacesActivity         val screenBitmap   getBitmapFromView rootView        val heightDifference   getInsets rootView      val croppedMap   Bitmap createBitmap                      screenBitmap  0  heightDifference                      screenBitmap width                      screenBitmap height - heightDifference      val blurredScreen   blurBitmap croppedMap      if  blurredScreen    null             val myDrawable   BitmapDrawable a   resources  blurredScreen           a errorHudFrameLayout  background   myDrawable          a appBarLayout  visibility   View INVISIBLE          And then in the activity class   fun blurView         this runOnUiThread           Helper blurView this            You will of course want to make pass a weak reference of the activity to the static Helper class method parameter  but for the sake of brevity I refrained in this example  The blurBitmapand errorHudFrameLayout are omitted for the same reason  since they don t directly pertain to obtaining the height of the status bar

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this also work with the refrence link  public int getStatusBarHeight       int result   0    int resourceId   getResources   getIdentifier  status bar height    dimen    android      if  resourceId  gt  0          result   getResources   getDimensionPixelSize resourceId         return result

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I have the same problem of having to get the status bar height in an onCreate  This works for me   private static final int LOW DPI STATUS BAR HEIGHT   19   private static final int MEDIUM DPI STATUS BAR HEIGHT   25   private static final int HIGH DPI STATUS BAR HEIGHT   38    Inside the onCreate   DisplayMetrics displayMetrics   new DisplayMetrics      WindowManager  getSystemService Context WINDOW SERVICE   getDefaultDisplay   getMetrics displayMetrics    int statusBarHeight   switch  displayMetrics densityDpi        case DisplayMetrics DENSITY HIGH          statusBarHeight   HIGH DPI STATUS BAR HEIGHT          break      case DisplayMetrics DENSITY MEDIUM          statusBarHeight   MEDIUM DPI STATUS BAR HEIGHT          break      case DisplayMetrics DENSITY LOW          statusBarHeight   LOW DPI STATUS BAR HEIGHT          break      default          statusBarHeight   MEDIUM DPI STATUS BAR HEIGHT      See   http   developer android com reference android util DisplayMetrics html http   developer android com guide practices ui guidelines icon design html

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Yes when i try it with View it provides the result of 25px  Here is the whole code    public class SpinActivity extends Activity        Override     public void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           LinearLayout lySpin   new LinearLayout this           lySpin setOrientation LinearLayout VERTICAL                  lySpin post new Runnable                         public void run                                 Rect rect   new Rect                    Window window   getWindow                    window getDecorView   getWindowVisibleDisplayFrame rect                   int statusBarHeight   rect top                  int contentViewTop                        window findViewById Window ID ANDROID CONTENT  getTop                    int titleBarHeight   contentViewTop - statusBarHeight                  System out println  TitleBarHeight      titleBarHeight                           StatusBarHeight      statusBarHeight

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According to Material Guidance  height of status bar is 24 dp  If you want get status bar height in pixels you can use below method  private static int statusBarHeight android content res Resources res        return  int   24   res getDisplayMetrics   density      which can be called from activity with  statusBarHeight getResources

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Toggled Fullscreen Solution   This solution may look like a workaround  but it actually accounts for whether your app is fullscreen  aka hiding the status bar  or not   Display display   getWindowManager   getDefaultDisplay    Point size   new Point    display getSize size   int barheight   size y - findViewById R id rootView  getHeight      This way  if your app is currently fullscreen  barheight will equal 0   Personally I had to use this to correct absolute TouchEvent coordinates to account for the status bar as so    Override public boolean onTouch View view MotionEvent event        Display display   getWindowManager   getDefaultDisplay        Point size   new Point    display getSize size       int YCoord    int event getRawY   - size y   rootView getHeight         And that will get the absolute y-coordinate whether the app be fullscreen or not   Enjoy

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Out of all the code samples I ve used to get the height of the status bar  the only one that actually appears to work in the onCreate method of an Activity is this   public int getStatusBarHeight         int result   0      int resourceId   getResources   getIdentifier  status bar height    dimen    android        if  resourceId  gt  0            result   getResources   getDimensionPixelSize resourceId             return result      Apparently the actual height of the status bar is kept as an Android resource  The above code can be added to a ContextWrapper class  e g  an Activity    Found at http   mrtn me blog 2012 03 17 get-the-height-of-the-status-bar-in-android

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the height of the status bar is 24dp in android 6 0     lt  -- Height of the status bar -- gt    lt dimen name  status bar height  gt 24dp lt  dimen gt    lt  -- Height of the bottom navigation   system bar  -- gt    lt dimen name  navigation bar height  gt 48dp lt  dimen gt    you can find the answer in the source code  frameworks base core res res values dimens xml

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If you know exactly the size VS height  like  for example in a device with 320 X 480 screen size the status bar height is 25px  for a device with 480 x 800 the status bar height must be 38px  then you can just get the width of your view   the screen size you can just use an if else statement to get the height of status bar

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Official height is 24dp   as is stated officially by Google on Android Design webpage

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On MDPI devices  the status bar is 25px  We can use this as the base and multiply it by the density  rounded up  to get the status bar height on any device   int statusBarHeight   Math ceil 25   context getResources   getDisplayMetrics   density     For reference  ldpi  75  mdpi 1  hdpi 1 5  xhdpi 2

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Kotlin version that combines two best solutions  fun getStatusBarHeight    Int       val resourceId   resources getIdentifier  status bar height    dimen    android       return if  resourceId  gt  0  resources getDimensionPixelSize resourceId      else Rect   apply   window decorView getWindowVisibleDisplayFrame this    top      Takes status bar height value if present If status bar height is not present  calculates the status bar height from Window decor

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The default height used to be 25dp  With Android Marshmallow  API 23  the height was reduced to 24dp   Update  Please be aware that since the age of notches and punch-whole-cameras began  using a static height for the status bar no longer works  Please use window insets instead

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Thanks to  Niklas  1 this is the correct way to do it   public class MyActivity extends Activity implements android support v4 View OnApplyWindowInsetsListener        Rect windowInsets        Override     public void onCreate Bundle savedInstanceState            super onCreate savedInstanceState            setContentView R layout my activity            View rootview   findViewById android R id content            android support v4 View ViewCompat setOnApplyWindowInsetsListener rootview  this              android support v4 View WindowInsetsCompat android support v4 View OnApplyWindowInsetsListener OnApplyWindowInsets View v  android support v4 View WindowInsetsCompat insets                windowInsets   new Rect            windowInsets set insets getSystemWindowInsetLeft    insets getSystemWindowInsetTop    insets getSystemWindowInsetRight    insets getSystemWindowInsetBottom               StatusBarHeight   insets getSystemWindowInsetTop               Refresh Adjust view accordingly          return insets            Please excuse me if the code isn t 100  correct  converted it from Xamarin C  but this is the just of it  Works with Notches  etc

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Hardcoding the size or using reflection to get the value of status bar height is considered bad practice  Chris Banes talked about this in at the Droidcon New York  The recommended way of getting the status bar size is via the OnApplyWindowInsetsListener   myView setOnApplyWindowInsetsListener   view  insets - gt      val statusBarSize   insets systemWindowInsetTop   return insets     This was added in API 20 and is also backported via ViewAppCompat

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On Android 4 1 and higher  you can set your application s content to appear behind the status bar  so that the content doesn t resize as the status bar hides and shows  To do this  use SYSTEM UI FLAG LAYOUT FULLSCREEN  You may also need to use SYSTEM UI FLAG LAYOUT STABLE to help your app maintain a stable layout   When you use this approach  it becomes your responsibility to ensure that critical parts of your app s UI  for example  the built-in controls in a Maps application  don t end up getting covered by system bars  This could make your app unusable  In most cases you can handle this by adding the android fitsSystemWindows attribute to your XML layout file  set to true  This adjusts the padding of the parent ViewGroup to leave space for the system windows  This is sufficient for most applications   In some cases  however  you may need to modify the default padding to get the desired layout for your app  To directly manipulate how your content lays out relative to the system bars  which occupy a space known as the window s  content insets    override fitSystemWindows Rect insets   The fitSystemWindows   method is called by the view hierarchy when the content insets for a window have changed  to allow the window to adjust its content accordingly  By overriding this method you can handle the insets  and hence your app s layout  however you want   form  https   developer android com training system-ui status html behind

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The reason why the top answer does not work for some people is because you cannot get the dimensions of a view until it is ready to render  Use an OnGlobalLayoutListener to get said dimensions when you actually can    Override protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout activity main        final ViewGroup decorView    ViewGroup  this getWindow   getDecorView        decorView getViewTreeObserver   addOnGlobalLayoutListener new ViewTreeObserver OnGlobalLayoutListener              Override         public void onGlobalLayout                 if  Build VERSION SDK INT  gt   16                    decorView getViewTreeObserver   removeOnGlobalLayoutListener this                 else                      Nice one  Google                 decorView getViewTreeObserver   removeGlobalOnLayoutListener this                             Rect rect   new Rect                decorView getWindowVisibleDisplayFrame rect               rect top     This is the height of the status bar                     This is the most reliable method

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Since multi-window mode is available now  your app may not have statusbar on top   Following solution handle all the cases automatically for you   android fitsSystemWindows  true    or programatically  findViewById R id your root view  setFitsSystemWindows true     you may also get root view by   findViewById android R id content  getRootView    or getWindow   getDecorView   findViewById android R id content    For more details on getting root-view refer - https   stackoverflow com a 4488149 9640177

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240x320 - 20px 320x480 - 25px 480x800  - 38px

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To solve this  I used a combination approach  This is necessary as on tablets the system bar already subtracts it s pixels when display getHeight   is called  So I first check if a system bar is present  and then Ben Claytons approach  which works fine on phones     public int getStatusBarHeight         int statusBarHeight   0       if   hasOnScreenSystemBar              int resourceId   getResources   getIdentifier  status bar height    dimen    android            if  resourceId  gt  0                statusBarHeight   getResources   getDimensionPixelSize resourceId                        return statusBarHeight     private boolean hasOnScreenSystemBar         Display display   getWindowManager   getDefaultDisplay        int rawDisplayHeight   0      try           Method getRawHeight   Display class getMethod  getRawHeight            rawDisplayHeight    Integer  getRawHeight invoke display         catch  Exception ex               int UIRequestedHeight   display getHeight         return rawDisplayHeight - UIRequestedHeight  gt  0

[android] Height of status bar in Android

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