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Fix turn screen off on Android 14

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On Android 14, the methods to access the display have been moved to
DisplayControl, which is not in the core framework. Use a specific
ClassLoader to access this class and its native dependencies.

Fixes #3927 <https://github.com/Genymobile/scrcpy/issues/3927>
Refs #3927 comment <https://github.com/Genymobile/scrcpy/issues/3927#issuecomment-1790031953>
Refs #4446 comment <https://github.com/Genymobile/scrcpy/pull/4446#issuecomment-1824660915>
PR #4456 <https://github.com/Genymobile/scrcpy/pull/4456>

Co-authored-by: Simon Chan <1330321+yume-chan@users.noreply.github.com>
Signed-off-by: Romain Vimont <rom@rom1v.com>
This commit is contained in:
Romain Vimont 2023-11-23 23:50:41 +01:00
parent eed06b141a
commit 5d4b8a7e6d
3 changed files with 97 additions and 2 deletions
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10
server/src/main/java/com/genymobile/scrcpy/Device.java
View File

@ -1,6 +1,7 @@
package com.genymobile.scrcpy;
import com.genymobile.scrcpy.wrappers.ClipboardManager;
import com.genymobile.scrcpy.wrappers.DisplayControl;
import com.genymobile.scrcpy.wrappers.InputManager;
import com.genymobile.scrcpy.wrappers.ServiceManager;
import com.genymobile.scrcpy.wrappers.SurfaceControl;
@ -315,8 +316,12 @@ public final class Device {
*/
public static boolean setScreenPowerMode(int mode) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
// On Android 14, these internal methods have been moved to DisplayControl
boolean useDisplayControl =
Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE && !SurfaceControl.hasPhysicalDisplayIdsMethod();
// Change the power mode for all physical displays
long[] physicalDisplayIds = SurfaceControl.getPhysicalDisplayIds();
long[] physicalDisplayIds = useDisplayControl ? DisplayControl.getPhysicalDisplayIds() : SurfaceControl.getPhysicalDisplayIds();
if (physicalDisplayIds == null) {
Ln.e("Could not get physical display ids");
return false;
@ -324,7 +329,8 @@ public final class Device {
boolean allOk = true;
for (long physicalDisplayId : physicalDisplayIds) {
IBinder binder = SurfaceControl.getPhysicalDisplayToken(physicalDisplayId);
IBinder binder = useDisplayControl ? DisplayControl.getPhysicalDisplayToken(
physicalDisplayId) : SurfaceControl.getPhysicalDisplayToken(physicalDisplayId);
allOk &= SurfaceControl.setDisplayPowerMode(binder, mode);
}
return allOk;

80
server/src/main/java/com/genymobile/scrcpy/wrappers/DisplayControl.java Normal file
View File

@ -0,0 +1,80 @@
package com.genymobile.scrcpy.wrappers;
import com.genymobile.scrcpy.Ln;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.os.Build;
import android.os.IBinder;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
@SuppressLint({"PrivateApi", "SoonBlockedPrivateApi", "BlockedPrivateApi"})
@TargetApi(Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
public final class DisplayControl {
private static final Class<?> CLASS;
static {
Class<?> displayControlClass = null;
try {
Class<?> classLoaderFactoryClass = Class.forName("com.android.internal.os.ClassLoaderFactory");
Method createClassLoaderMethod = classLoaderFactoryClass.getDeclaredMethod("createClassLoader", String.class, String.class, String.class,
ClassLoader.class, int.class, boolean.class, String.class);
ClassLoader classLoader = (ClassLoader) createClassLoaderMethod.invoke(null, "/system/framework/services.jar", null, null,
ClassLoader.getSystemClassLoader(), 0, true, null);
displayControlClass = classLoader.loadClass("com.android.server.display.DisplayControl");
Method loadMethod = Runtime.class.getDeclaredMethod("loadLibrary0", Class.class, String.class);
loadMethod.setAccessible(true);
loadMethod.invoke(Runtime.getRuntime(), displayControlClass, "android_servers");
} catch (Throwable e) {
Ln.e("Could not initialize DisplayControl", e);
// Do not throw an exception here, the methods will fail when they are called
}
CLASS = displayControlClass;
}
private static Method getPhysicalDisplayTokenMethod;
private static Method getPhysicalDisplayIdsMethod;
private DisplayControl() {
// only static methods
}
private static Method getGetPhysicalDisplayTokenMethod() throws NoSuchMethodException {
if (getPhysicalDisplayTokenMethod == null) {
getPhysicalDisplayTokenMethod = CLASS.getMethod("getPhysicalDisplayToken", long.class);
}
return getPhysicalDisplayTokenMethod;
}
public static IBinder getPhysicalDisplayToken(long physicalDisplayId) {
try {
Method method = getGetPhysicalDisplayTokenMethod();
return (IBinder) method.invoke(null, physicalDisplayId);
} catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException e) {
Ln.e("Could not invoke method", e);
return null;
}
}
private static Method getGetPhysicalDisplayIdsMethod() throws NoSuchMethodException {
if (getPhysicalDisplayIdsMethod == null) {
getPhysicalDisplayIdsMethod = CLASS.getMethod("getPhysicalDisplayIds");
}
return getPhysicalDisplayIdsMethod;
}
public static long[] getPhysicalDisplayIds() {
try {
Method method = getGetPhysicalDisplayIdsMethod();
return (long[]) method.invoke(null);
} catch (InvocationTargetException | IllegalAccessException | NoSuchMethodException e) {
Ln.e("Could not invoke method", e);
return null;
}
}
}

9
server/src/main/java/com/genymobile/scrcpy/wrappers/SurfaceControl.java
View File

@ -139,6 +139,15 @@ public final class SurfaceControl {
return getPhysicalDisplayIdsMethod;
}
public static boolean hasPhysicalDisplayIdsMethod() {
try {
getGetPhysicalDisplayIdsMethod();
return true;
} catch (NoSuchMethodException e) {
return false;
}
}
public static long[] getPhysicalDisplayIds() {
try {
Method method = getGetPhysicalDisplayIdsMethod();