How to get size of NavigationBar and StatusBar

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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(); }