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Rework system & navigation bar on android 10 and lower #4606

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Merged
Withalion merged 1 commit into from
Jul 21, 2026
Merged

Rework system & navigation bar on android 10 and lower #4606

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56 changes: 34 additions & 22 deletions app/android/src/uk/co/lutraconsulting/MMActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@

import android.app.Activity;
import android.content.Intent;
import android.content.res.Configuration;
import android.net.Uri;
import android.content.ActivityNotFoundException;
import java.io.File;
Expand Down Expand Up @@ -78,38 +79,49 @@ public String homePath()
return getFilesDir().getAbsolutePath();
}

void setCustomStatusAndNavBar()
@Override
public void onConfigurationChanged(Configuration newConfig)
{
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
Log.d( TAG, "Unsupported Android version for painting behind system bars." );
return;
}
else {
WindowCompat.setDecorFitsSystemWindows(getWindow(), false);
super.onConfigurationChanged(newConfig);

Window window = getWindow();
setCustomStatusAndNavBar();
}

// on Android 15+ all apps are edge-to-edge
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.VANILLA_ICE_CREAM) {
// draw app edge-to-edge
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
@SuppressWarnings("deprecation")
void setCustomStatusAndNavBar()
{
WindowCompat.setDecorFitsSystemWindows(getWindow(), false);

// make the status bar background color transparent
window.setStatusBarColor(Color.TRANSPARENT);
Window window = getWindow();

// make the navigation button background color transparent
window.setNavigationBarColor(Color.TRANSPARENT);
}
// on Android 15+ all apps are edge-to-edge
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.VANILLA_ICE_CREAM) {
// draw app edge-to-edge
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);

// make the status bar background color transparent
window.setStatusBarColor(Color.TRANSPARENT);

// make the navigation button background color transparent
window.setNavigationBarColor(Color.TRANSPARENT);
}

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
// do not show background dim for the navigation buttons
window.setNavigationBarContrastEnforced(false);
window.setNavigationBarContrastEnforced(false);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {

// change the status bar text color to black
WindowInsetsController insetsController = window.getDecorView().getWindowInsetsController();

if (insetsController != null) {
insetsController.setSystemBarsAppearance(WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS, WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS);
}

if (insetsController != null) {
insetsController.setSystemBarsAppearance(WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS, WindowInsetsController.APPEARANCE_LIGHT_STATUS_BARS);
}
} else {
// Force the navigation bar icons back to light so they stay visible against the green background.
View decorView = getWindow().getDecorView();
decorView.setSystemUiVisibility( decorView.getSystemUiVisibility() & ~View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR );
}
}

Expand Down
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