Height of Statusbar

Height of status bar in Android

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;
} 

Height of statusbar?

Rect rectgle= new Rect();
Window window= getWindow();
window.getDecorView().getWindowVisibleDisplayFrame(rectgle);
int StatusBarHeight= rectgle.top;
int contentViewTop= 
    window.findViewById(Window.ID_ANDROID_CONTENT).getTop();
int TitleBarHeight= contentViewTop - StatusBarHeight;

   Log.i("*** Jorgesys :: ", "StatusBar Height= " + StatusBarHeight + " , TitleBar Height = " + TitleBarHeight); 

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;
} 

How to get status bar height in Flutter?

var height = MediaQuery.of(context).viewPadding.top;

Note: This will only work on mobile devices because other platforms don't have a dedicated status bar and it will returns 0.0 for them.

What is the proper way to get status bar height in compose?

So i ended up making a workaround alongside with a modifier extension for easier use.

First, make a data class to hold the fixed inset values.

data class FixedInsets(
    val statusBarHeight: Dp = 0.dp,
    val navigationBarsPadding: PaddingValues = PaddingValues(),
)

Second, create the extension and a composition local provider.

val LocalFixedInsets = compositionLocalOf<FixedInsets> { error("no FixedInsets provided!") }

@Composable
fun Modifier.fixedStatusBarsPadding(): Modifier {
    return this.padding(top = LocalFixedInsets.current.statusBarHeight)
}

@Composable
fun Modifier.fixedNavigationBarsPadding(): Modifier {
    return this.padding(paddingValues = LocalFixedInsets.current.navigationBarsPadding)
}

Finally, provide the fixed inset values at the very root of your composable function.

val systemBarsPadding = WindowInsets.systemBars.asPaddingValues()
val fixedInsets = remember {
    FixedInsets(
        statusBarHeight = systemBarsPadding.calculateTopPadding(),
        navigationBarsPadding = PaddingValues(
            bottom = systemBarsPadding.calculateBottomPadding(),
            start = systemBarsPadding.calculateStartPadding(LayoutDirection.Ltr),
            end = systemBarsPadding.calculateEndPadding(LayoutDirection.Ltr),
        ),
    )
}

CompositionLocalProvider(
    values = arrayOf(
        LocalFixedInsets provides fixedInsets,
    ),
) {
    MainScreen()
}

Navigation bar padding example:

Text(
    text = "Hello i'm a text with navigation bar padding",
    modifier = Modifier
        .fillMaxSize()
        .background(color = Color.Red)
        .fixedNavigationBarsPadding(),
)

Or you can access the sizes in Dp directly from the local composition by using calculateXPadding():

val fixedInsets = LocalFixedInsets.current

Text(
    text = "The navigation bar's height is: ${fixedInsets.navigationBarsPadding.calculateBottomPadding()}",
)

Get status bar height dynamically from XML

I have already found the answer:

The recommended way is to use the WindowInsets API, like the following:

view.setOnApplyWindowInsetsListener { v, insets -> 
    view.height = insets.systemWindowInsetTop // status bar height
    insets
}

Accessing the status_bar_height, as it's a private resource and thus subject to change in future versions of Android, is highly discouraged.

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