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Add a temporary workaround to fix Application#attach(Context) hook not working

This commit is contained in:
solohsu 2019-01-25 00:42:39 +08:00
parent 2366e5a0d3
commit 045104d1bf
2 changed files with 37 additions and 0 deletions
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35
Bridge/src/main/java/com/elderdrivers/riru/xposed/util/MethodHookUtils.java Normal file
View File

@ -0,0 +1,35 @@
package com.elderdrivers.riru.xposed.util;
import android.app.Application;
import android.content.Context;
import android.content.ContextWrapper;
import java.lang.reflect.Member;
import java.lang.reflect.Method;
public class MethodHookUtils {
/**
* FIXME
* Some methods, for instance Application#attach(Context) in framework would be inlined,
* which makes our hooking of them not working.
* Actually we can append --debuggable option to dexoat args to avoid inlining,
* but it has significant impact on app's performance.
* So here is just a temporary workaround.
*/
public static Member preCheck(Member target) {
try {
if (target instanceof Method) {
Method method = (Method) target;
if (method.getDeclaringClass().equals(Application.class)
&& method.getName().equals("attach")) {
return ContextWrapper.class.getDeclaredMethod("attachBaseContext", Context.class);
}
}
} catch (Throwable throwable) {
Utils.logE("error when preCheck " + target, throwable);
}
return target;
}
}

2
Bridge/src/main/java/de/robv/android/xposed/XposedBridge.java
View File

@ -6,6 +6,7 @@ import android.util.Log;
import com.elderdrivers.riru.xposed.core.HookMain;
import com.elderdrivers.riru.xposed.dexmaker.DynamicBridge;
import com.elderdrivers.riru.xposed.dexmaker.MethodInfo;
import com.elderdrivers.riru.xposed.util.MethodHookUtils;
import java.io.File;
import java.io.IOException;
@ -154,6 +155,7 @@ public final class XposedBridge {
* @see #hookAllConstructors
*/
public static XC_MethodHook.Unhook hookMethod(Member hookMethod, XC_MethodHook callback) {
hookMethod = MethodHookUtils.preCheck(hookMethod);
if (!(hookMethod instanceof Method) && !(hookMethod instanceof Constructor<?>)) {
throw new IllegalArgumentException("Only methods and constructors can be hooked: " + hookMethod.toString());
} else if (hookMethod.getDeclaringClass().isInterface()) {