diff --git a/core/java/android/content/res/Resources.java b/core/java/android/content/res/Resources.java index 8de938d58df22..a9aa1ee6b835a 100644 --- a/core/java/android/content/res/Resources.java +++ b/core/java/android/content/res/Resources.java @@ -34,6 +34,7 @@ import android.util.Log; import android.util.SparseArray; import android.util.TypedValue; import android.util.LongSparseArray; +import android.view.Display; import java.io.IOException; import java.io.InputStream; @@ -87,6 +88,7 @@ public class Resources { PluralRules mPluralRule; private final CompatibilityInfo mCompatibilityInfo; + private Display mDefaultDisplay; private static final LongSparseArray EMPTY_ARRAY = new LongSparseArray() { @Override @@ -1915,6 +1917,24 @@ public class Resources { + Integer.toHexString(id)); } + /** + * Returns the display adjusted for the Resources' metrics. + * @hide + */ + public Display getDefaultDisplay(Display defaultDisplay) { + if (mDefaultDisplay == null) { + if (!mCompatibilityInfo.isScalingRequired() && mCompatibilityInfo.supportsScreen()) { + // the app supports the display. just use the default one. + mDefaultDisplay = defaultDisplay; + } else { + // display needs adjustment. + mDefaultDisplay = Display.createMetricsBasedDisplay( + defaultDisplay.getDisplayId(), mMetrics); + } + } + return mDefaultDisplay; + } + private TypedArray getCachedStyledAttributes(int len) { synchronized (mTmpValue) { TypedArray attrs = mCachedStyledAttributes; diff --git a/core/java/android/view/Display.java b/core/java/android/view/Display.java index 09ebeed543e18..5551f64bcde34 100644 --- a/core/java/android/view/Display.java +++ b/core/java/android/view/Display.java @@ -117,5 +117,32 @@ public class Display private static final Object mStaticInit = new Object(); private static boolean mInitialized = false; + + /** + * Returns a display object which uses the metric's width/height instead. + * @hide + */ + public static Display createMetricsBasedDisplay(int displayId, DisplayMetrics metrics) { + return new CompatibleDisplay(displayId, metrics); + } + + private static class CompatibleDisplay extends Display { + private final DisplayMetrics mMetrics; + + private CompatibleDisplay(int displayId, DisplayMetrics metrics) { + super(displayId); + mMetrics = metrics; + } + + @Override + public int getWidth() { + return mMetrics.widthPixels; + } + + @Override + public int getHeight() { + return mMetrics.heightPixels; + } + } } diff --git a/core/java/android/view/Window.java b/core/java/android/view/Window.java index d7457a030468e..576c8c1a84835 100644 --- a/core/java/android/view/Window.java +++ b/core/java/android/view/Window.java @@ -358,6 +358,8 @@ public abstract class Window { private class LocalWindowManager implements WindowManager { LocalWindowManager(WindowManager wm) { mWindowManager = wm; + mDefaultDisplay = mContext.getResources().getDefaultDisplay( + mWindowManager.getDefaultDisplay()); } public final void addView(View view, ViewGroup.LayoutParams params) { @@ -420,10 +422,12 @@ public abstract class Window { } public Display getDefaultDisplay() { - return mWindowManager.getDefaultDisplay(); + return mDefaultDisplay; } - WindowManager mWindowManager; + private final WindowManager mWindowManager; + + private final Display mDefaultDisplay; } /**