How to get size of NavigationBar and StatusBar

Transcript

1. How to get size of NavigationBar and StatusBar @magiepooh https://github.com/magiepooh/

   AdjustFullScreenLayout

2. About me @magiepooh @magie_pooh Takuma Fujita

3. Company AbemaTV, Inc. (Cyber Agent, Inc.)

4. How to get size of NavigationBar and StatusBar @magiepooh https://github.com/magiepooh/

   AdjustFullScreenLayout

5. 1. Refrection

6. Reflection <!-- Height of the status bar --> <dimen name="status_bar_height">24dp</dimen>

   <!-- Height of the bottom navigation / system bar. --> <dimen name=“navigation_bar_height">48dp</dimen> <!-- Height of the bottom navigation bar in portrait; often the same as @dimen/navigation_bar_height --> <dimen name=“navigation_bar_height_landscape">48dp</dimen> <!-- Width of the navigation bar when it is placed vertically on the screen --> <dimen name="navigation_bar_width">42dp</dimen>

7. Reflection // portrait resources.getIdentifier("navigation_bar_height", "dimen", “android"); // landscape resources.getIdentifier("navigation_bar_height_l andscape",

   "dimen", "android");

8. But … • Some device with hardware keyboard return wrong

   size • tablet? mobile??

9. 2. Calculate

10. Calculate StatusBar and NavigationBar Size • getSize • getCurrentSizeRange •

    getRealSize(getRawSize)

11. getRealSize getSize getCurrentSizeRange

12. getRealSize getSize getCurrentSizeRange

13. NavigationBar Width public int getNavigationBarWidth() { return getRealSize().x - getDisplaySize().x;

    }

14. NavigationBar Height public int getNavigationBarHeight() {
 return getRealSize().y - getDisplaySize().y;


    }

15. 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; } }

16. 3. WindowInsetsCompat

17. private class ApplyInsetsListener implements android.support.v4.view.OnApplyWindowInsetsListener { @Override public WindowInsetsCompat onApplyWindowInsets(View

    v, WindowInsetsCompat insets) { if (mLastInsets != insets) { mLastInsets = insets; } return insets; } }

18. ViewCompat.setOnApplyWindowInsetsListener(view, new ApplyInsetsListener());

19. 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(); }

20. WTF!!!! WindowInsetsCompat is very useful class!

21. Thanks for your attention.