You can now specify a custom display size as NxM. (99aac7be) · Commits · e / os / android_frameworks_base

core/java/android/view/Display.java

+5 −5

Original line number	Diff line number	Diff line
		@@ -79,6 +79,11 @@ public class Display
		*/
		native public int getHeight();

		/** @hide special for when we are faking the screen size. */
		native public int getRealWidth();
		/** @hide special for when we are faking the screen size. */
		native public int getRealHeight();

		/**
		* Returns the rotation of the screen from its "natural" orientation.
		* The returned value may be {@link Surface#ROTATION_0 Surface.ROTATION_0}
		@@ -136,11 +141,6 @@ public class Display
		outMetrics.ydpi = mDpiY;
		}

		/**
		* @hide Helper for our fake display size hack.
		*/
		native public static int unmapDisplaySize(int newSize);

		/*
		* We use a class initializer to allow the native code to cache some
		* field offsets.

core/jni/android_view_Display.cpp

+38 −12

Original line number	Diff line number	Diff line
		@@ -44,6 +44,8 @@ struct offsets_t {
		};
		static offsets_t offsets;

		static int gShortSize = -1;
		static int gLongSize = -1;
		static int gOldSize = -1;
		static int gNewSize = -1;

		@@ -76,6 +78,10 @@ static jint android_view_Display_getWidth(
		{
		DisplayID dpy = env->GetIntField(clazz, offsets.display);
		jint w = SurfaceComposerClient::getDisplayWidth(dpy);
		if (gShortSize > 0) {
		jint h = SurfaceComposerClient::getDisplayHeight(dpy);
		return w < h ? gShortSize : gLongSize;
		}
		return w == gOldSize ? gNewSize : w;
		}

		@@ -84,9 +90,27 @@ static jint android_view_Display_getHeight(
		{
		DisplayID dpy = env->GetIntField(clazz, offsets.display);
		int h = SurfaceComposerClient::getDisplayHeight(dpy);
		if (gShortSize > 0) {
		jint w = SurfaceComposerClient::getDisplayWidth(dpy);
		return h < w ? gShortSize : gLongSize;
		}
		return h == gOldSize ? gNewSize : h;
		}

		static jint android_view_Display_getRealWidth(
		JNIEnv* env, jobject clazz)
		{
		DisplayID dpy = env->GetIntField(clazz, offsets.display);
		return SurfaceComposerClient::getDisplayWidth(dpy);
		}

		static jint android_view_Display_getRealHeight(
		JNIEnv* env, jobject clazz)
		{
		DisplayID dpy = env->GetIntField(clazz, offsets.display);
		return SurfaceComposerClient::getDisplayHeight(dpy);
		}

		static jint android_view_Display_getOrientation(
		JNIEnv* env, jobject clazz)
		{
		@@ -100,13 +124,6 @@ static jint android_view_Display_getDisplayCount(
		return SurfaceComposerClient::getNumberOfDisplays();
		}

		static jint android_view_Display_unmapDisplaySize(
		JNIEnv* env, jclass clazz, jint newSize)
		{
		if (newSize == gNewSize) return gOldSize;
		return newSize;
		}

		// ----------------------------------------------------------------------------

		const char* const kClassPathName = "android/view/Display";
		@@ -124,10 +141,12 @@ static JNINativeMethod gMethods[] = {
		(void*)android_view_Display_getWidth },
		{ "getHeight", "()I",
		(void*)android_view_Display_getHeight },
		{ "getRealWidth", "()I",
		(void*)android_view_Display_getRealWidth },
		{ "getRealHeight", "()I",
		(void*)android_view_Display_getRealHeight },
		{ "getOrientation", "()I",
		(void*)android_view_Display_getOrientation },
		{ "unmapDisplaySize", "(I)I",
		(void*)android_view_Display_unmapDisplaySize }
		(void*)android_view_Display_getOrientation }
		};

		void nativeClassInit(JNIEnv* env, jclass clazz)
		@@ -146,7 +165,15 @@ int register_android_view_Display(JNIEnv* env)
		int len = property_get("persist.demo.screensizehack", buf, "");
		if (len > 0) {
		int temp1, temp2;
		if (sscanf(buf, "%d=%d", &temp1, &temp2) == 2) {
		if (sscanf(buf, "%dx%d", &temp1, &temp2) == 2) {
		if (temp1 < temp2) {
		gShortSize = temp1;
		gLongSize = temp2;
		} else {
		gShortSize = temp2;
		gLongSize = temp1;
		}
		} else if (sscanf(buf, "%d=%d", &temp1, &temp2) == 2) {
		gOldSize = temp1;
		gNewSize = temp2;
		}
		@@ -157,4 +184,3 @@ int register_android_view_Display(JNIEnv* env)
		}

		};

services/java/com/android/server/wm/WindowManagerService.java

+1 −2

Original line number	Diff line number	Diff line
		@@ -5812,8 +5812,7 @@ public class WindowManagerService extends IWindowManager.Stub
		mDisplay = wm.getDefaultDisplay();
		mInitialDisplayWidth = mDisplay.getWidth();
		mInitialDisplayHeight = mDisplay.getHeight();
		mInputManager.setDisplaySize(0, Display.unmapDisplaySize(mInitialDisplayWidth),
		Display.unmapDisplaySize(mInitialDisplayHeight));
		mInputManager.setDisplaySize(0, mDisplay.getRealWidth(), mDisplay.getRealHeight());
		}

		try {