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Code Issues Packages Projects Releases Wiki Activity

Move ActivityThread instance

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An ActivityThread instance will be needed from several classes.
This commit is contained in:
Romain Vimont
2023-06-16 23:36:40 +02:00
parent 48a00fb481
commit 95e61e2a0b
2 changed files with 46 additions and 8 deletions
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22
server/src/main/java/com/genymobile/scrcpy/Workarounds.java
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@@ -1,5 +1,7 @@
package com.genymobile.scrcpy;
import com.genymobile.scrcpy.wrappers.ActivityThread;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Application;
@@ -20,8 +22,7 @@ import java.lang.reflect.Method;
public final class Workarounds {
private static Class<?> activityThreadClass;
private static Object activityThread;
private static boolean activityThreadFilled;
private Workarounds() {
// not instantiable
@@ -42,17 +43,16 @@ public final class Workarounds {
@SuppressLint("PrivateApi,DiscouragedPrivateApi")
private static void fillActivityThread() throws Exception {
if (activityThread == null) {
// ActivityThread activityThread = new ActivityThread();
activityThreadClass = Class.forName("android.app.ActivityThread");
Constructor<?> activityThreadConstructor = activityThreadClass.getDeclaredConstructor();
activityThreadConstructor.setAccessible(true);
activityThread = activityThreadConstructor.newInstance();
if (!activityThreadFilled) {
Class<?> activityThreadClass = ActivityThread.getActivityThreadClass();
Object activityThread = ActivityThread.getActivityThread();
// ActivityThread.sCurrentActivityThread = activityThread;
Field sCurrentActivityThreadField = activityThreadClass.getDeclaredField("sCurrentActivityThread");
sCurrentActivityThreadField.setAccessible(true);
sCurrentActivityThreadField.set(null, activityThread);
activityThreadFilled = true;
}
}
@@ -75,6 +75,9 @@ public final class Workarounds {
appInfoField.setAccessible(true);
appInfoField.set(appBindData, applicationInfo);
Class<?> activityThreadClass = ActivityThread.getActivityThreadClass();
Object activityThread = ActivityThread.getActivityThread();
// activityThread.mBoundApplication = appBindData;
Field mBoundApplicationField = activityThreadClass.getDeclaredField("mBoundApplication");
mBoundApplicationField.setAccessible(true);
@@ -95,6 +98,9 @@ public final class Workarounds {
baseField.setAccessible(true);
baseField.set(app, FakeContext.get());
Class<?> activityThreadClass = ActivityThread.getActivityThreadClass();
Object activityThread = ActivityThread.getActivityThread();
// activityThread.mInitialApplication = app;
Field mInitialApplicationField = activityThreadClass.getDeclaredField("mInitialApplication");
mInitialApplicationField.setAccessible(true);

32
server/src/main/java/com/genymobile/scrcpy/wrappers/ActivityThread.java Normal file
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@@ -0,0 +1,32 @@
package com.genymobile.scrcpy.wrappers;
import java.lang.reflect.Constructor;
public class ActivityThread {
private static final Class<?> activityThreadClass;
private static final Object activityThread;
static {
try {
activityThreadClass = Class.forName("android.app.ActivityThread");
Constructor<?> activityThreadConstructor = activityThreadClass.getDeclaredConstructor();
activityThreadConstructor.setAccessible(true);
activityThread = activityThreadConstructor.newInstance();
} catch (Exception e) {
throw new AssertionError(e);
}
}
private ActivityThread() {
// only static methods
}
public static Object getActivityThread() {
return activityThread;
}
public static Class<?> getActivityThreadClass() {
return activityThreadClass;
}
}