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Commit a4bb9d3f authored by Andrii Kulian's avatar Andrii Kulian
Browse files

Update Display#getRealMetrics() behaviour 

Update behaviour of the method to actually return real size of the
display independent of current configuration.

Bug: 27548818
Bug: 26986895
Change-Id: I64ba65f305801d97d30aed1c9a6cf6881c94ceda
parent 09388940

core/java/android/view/Display.java

+16 −8
Original line number Diff line number Diff line
@@ -762,14 +762,23 @@ public final class Display { 


    /**

     * Gets display metrics that describe the size and density of this display.

     * The size returned by this method does not necessarily represent the

     * actual raw size (native resolution) of the display.

     * <p>

     * The size is adjusted based on the current rotation of the display.

     * 1. The returned size may be adjusted to exclude certain system decor elements

     * that are always visible.

     * </p><p>

     * The size returned by this method does not necessarily represent the

     * actual raw size (native resolution) of the display.  The returned size may

     * be adjusted to exclude certain system decor elements that are always visible.

     * It may also be scaled to provide compatibility with older applications that

     * 2. It may be scaled to provide compatibility with older applications that

     * were originally designed for smaller displays.

     * </p><p>

     * 3. It can be different depending on the WindowManager to which the display belongs.

     * <pre>

     * - If requested from non-Activity context (e.g. Application context via

     * {@code (WindowManager) getApplicationContext().getSystemService(Context.WINDOW_SERVICE)})

     * metrics will report real size of the display based on current rotation.

     * - If requested from activity resulting metrics will correspond to current window metrics.

     * In this case the size can be smaller than physical size in multi-window mode.

     * </pre>

     * </p>

     *

     * @param outMetrics A {@link DisplayMetrics} object to receive the metrics.
@@ -807,7 +816,7 @@ public final class Display { 
     * The size is adjusted based on the current rotation of the display.

     * </p><p>

     * The real size may be smaller than the physical size of the screen when the

     * window manager is emulating a smaller display (using adb shell am display-size).

     * window manager is emulating a smaller display (using adb shell wm size).

     * </p>

     *

     * @param outMetrics A {@link DisplayMetrics} object to receive the metrics.
@@ -816,8 +825,7 @@ public final class Display { 
        synchronized (this) {

            updateDisplayInfoLocked();

            mDisplayInfo.getLogicalMetrics(outMetrics,

                    CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO,

                    mDisplayAdjustments.getConfiguration());

                    CompatibilityInfo.DEFAULT_COMPATIBILITY_INFO, null);

        }

    }