Adjust Full Screen

Android
StatusBar
NavigationBar

Transcript

1. Adjust Full Screen
   @magie_pooh
   https://github.com/magiepooh/
   AdjustFullScreenLayout
   #umeda_apk 2
   

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2. About me
   @magiepooh
   @magie_pooh
   Takuma Fujita
   

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

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4. Adjust Full Screen
   @magie_pooh
   https://github.com/magiepooh/
   AdjustFullScreenLayout
   #umeda_apk 2
   

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5. HIDE NavigationBar and
   StatusBar
   

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6. public static void hideSystemUi(Window window) {
   int options = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
   | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
   | View.SYSTEM_UI_FLAG_FULLSCREEN
   | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
   if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
   options = options ^ View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
   } else {
   options = options | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
   }
   window.getDecorView().setSystemUiVisibility(options);
   }
   

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7. SHOW NavigationBar and
   StatusBar
   

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8. public static void showSystemUi(Window window) {
   window.getDecorView()
   .setSystemUiVisibility(
   View.SYSTEM_UI_FLAG_LAYOUT_STABLE
   | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
   | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
   }
   

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9. showSystemUi & hideSystemUi
   actual expected
   

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10. showSystemUi & hideSystemUi
    actual expected
    

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11. 1. Refrection
    

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12. Reflection
    
    24dp
    
    48dp
    
    48dp
    
    42dp
    

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

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14. But …
    • Some device with hardware keyboard return
    wrong size
    • tablet? mobile??
    

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15. 2. Calculate
    

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16. Calculate StatusBar and
    NavigationBar Size
    • getSize
    • getCurrentSizeRange
    • getRealSize(getRawSize)
    

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17. getRealSize
    getSize
    getCurrentSizeRange
    

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18. getRealSize
    getSize
    getCurrentSizeRange
    

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

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20. NavigationBar Height
    public int getNavigationBarHeight() {

    return getRealSize().y - getDisplaySize().y;

    }
    

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21. StatusBar Height
    public int getStatusBarHeight() {
    Point smallSize = new Point();
    Point largeSize = new Point();
    display.getCurrentSizeRange(smallSize, largeSize);
    // getDisplaySize() means getSize()
    Point displaySize = getDisplaySize();
    if (displaySize.x > displaySize.y) {
    return displaySize.y - smallSize.y;
    } else {
    return displaySize.y - largeSize.y;
    }
    }
    

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22. 3. WindowInsetsCompat
    

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23. 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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24. ViewCompat.setOnApplyWindowInsetsListener(view,
    new ApplyInsetsListener());
    

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25. 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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26. Thank you for your attention.
    

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