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How to get size of
NavigationBar and
StatusBar
@magiepooh
https://github.com/magiepooh/
AdjustFullScreenLayout
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About me
@magiepooh
@magie_pooh
Takuma Fujita
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Company
AbemaTV, Inc.
(Cyber Agent, Inc.)
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How to get size of
NavigationBar and
StatusBar
@magiepooh
https://github.com/magiepooh/
AdjustFullScreenLayout
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1. Refrection
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Reflection
24dp
48dp
48dp
42dp
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Reflection
// portrait
resources.getIdentifier("navigation_bar_height",
"dimen", “android");
// landscape
resources.getIdentifier("navigation_bar_height_l
andscape", "dimen", "android");
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But …
• Some device with hardware keyboard return
wrong size
• tablet? mobile??
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2. Calculate
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Calculate StatusBar and
NavigationBar Size
• getSize
• getCurrentSizeRange
• getRealSize(getRawSize)
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getRealSize
getSize
getCurrentSizeRange
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getRealSize
getSize
getCurrentSizeRange
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NavigationBar Width
public int getNavigationBarWidth() {
return getRealSize().x - getDisplaySize().x;
}
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NavigationBar Height
public int getNavigationBarHeight() {
return getRealSize().y - getDisplaySize().y;
}
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StatusBar Height
public int getStatusBarHeight() {
Point smallSize = new Point();
Point largeSize = new Point();
display.getCurrentSizeRange(smallSize, largeSize);
// getDisplaySize() = getSize()
Point displaySize = getDisplaySize();
if (displaySize.x > displaySize.y) {
return displaySize.y - smallSize.y;
} else {
return displaySize.y - largeSize.y;
}
}
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3. WindowInsetsCompat
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private class ApplyInsetsListener implements
android.support.v4.view.OnApplyWindowInsetsListener {
@Override
public WindowInsetsCompat onApplyWindowInsets(View v,
WindowInsetsCompat insets) {
if (mLastInsets != insets) {
mLastInsets = insets;
}
return insets;
}
}
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ViewCompat.setOnApplyWindowInsetsListener(view,
new ApplyInsetsListener());
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public int getNavigationBarWidth() {
return mLastInsets == null ? 0 :
mLastInsets.getSystemWindowInsetRight();
}
public int getNavigationBarHeight() {
return mLastInsets == null ? 0 :
mLastInsets.getSystemWindowInsetBottom();
}
public int getStatusBarHeight() {
return mLastInsets == null ? 0 :
mLastInsets.getSystemWindowInsetTop();
}
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WTF!!!!
WindowInsetsCompat is
very useful class!
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Thanks for your attention.