Height of status bar in Android

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)

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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 > 0) {
          result = getResources().getDimensionPixelSize(resourceId);
      } 
      return result;
} 

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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 > 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 (eg an Activity ).

Found at http://mrtn.me/blog/2012/03/17/get-the-height-of-the-status-bar-in-android/

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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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