修复api30无法调用setHiddenApiExemptions的问题

settings.gradle

@@ -4,3 +4,4 @@ include ':main'
 include ':xplugin'
 include ':module1'
 include ':module2'
+include ':temp'

temp/.gitignore

@@ -0,0 +1 @@
+/build

temp/build.gradle

@@ -0,0 +1,20 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.1"
+
+    defaultConfig {
+        applicationId "org.xplugin.core.util"
+        minSdkVersion 19
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+        }
+    }
+}

temp/src/main/AndroidManifest.xml

@@ -0,0 +1,5 @@
+<manifest package="org.xplugin.core.util">
+
+    <application />
+
+</manifest>

temp/src/main/java/org/xplugin/core/util/BootstrapClass.java

@@ -0,0 +1,30 @@
+package org.xplugin.core.util;
+
+import android.os.Build;
+
+import java.lang.reflect.Method;
+
+public final class BootstrapClass {
+
+    public static boolean exemptHideApi() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            try {
+                Method forName = Class.class.getDeclaredMethod("forName", String.class);
+                Method getDeclaredMethod = Class.class.getDeclaredMethod("getDeclaredMethod", String.class, Class[].class);
+
+                Class<?> vmRuntimeClass = (Class<?>) forName.invoke(null, new Object[]{"dalvik.system.VMRuntime"});
+
+                Method getRuntime = (Method) getDeclaredMethod.invoke(vmRuntimeClass, "getRuntime", null);
+                Object sVmRuntime = getRuntime.invoke(null);
+
+                Method setHiddenApiExemptions = (Method) getDeclaredMethod.invoke(vmRuntimeClass, "setHiddenApiExemptions", new Class[]{String[].class});
+                Object ignoredHiddenMethodPrefix = new String[]{"L"}; // the method signature prefix, such as "Ldalvik/system", "Landroid" or even "L"
+                setHiddenApiExemptions.invoke(sVmRuntime, ignoredHiddenMethodPrefix);
+                return true;
+            } catch (Throwable ex) {
+                return false;
+            }
+        }
+        return true;
+    }
+}

xplugin/src/main/java/org/xplugin/core/ctx/HostParentClassLoader.java

@@ -24,7 +24,6 @@
     private Host host;
 
     private HostParentClassLoader(Host host) {
-        PluginReflectUtil.init();
         this.host = host;
         // class loader结构:
         // bootClassLoader <-- HostParentClassLoader <-- appClassLoader

xplugin/src/main/java/org/xplugin/core/msg/PluginInitializer.java

@@ -1,6 +1,7 @@
 package org.xplugin.core.msg;
 
 import org.xplugin.core.install.Installer;
+import org.xplugin.core.util.PluginReflectUtil;
 
 public final class PluginInitializer {
     private static PluginInitializer instance;
@@ -12,6 +13,7 @@ public static void init() {
         if (instance == null) {
             synchronized (PluginInitializer.class) {
                 if (instance == null) {
+                    PluginReflectUtil.init();
                     instance = new PluginInitializer();
                     PluginMsgLooper looper = new PluginMsgLooper().start();
                     Installer.initHost(looper);

xplugin/src/main/java/org/xplugin/core/util/PluginReflectUtil.java

@@ -6,18 +6,26 @@
 import android.content.res.AssetManager;
 import android.os.Build;
 import android.text.TextUtils;
+import android.util.Base64;
 
+import org.xutils.common.util.IOUtil;
 import org.xutils.common.util.LogUtil;
 import org.xutils.x;
 
+import java.io.File;
+import java.io.FileOutputStream;
 import java.lang.reflect.Method;
 
+import dalvik.system.DexFile;
+
 public final class PluginReflectUtil {
 
     private static ReflectMethod addAssetPathMethod;
     private static ReflectMethod findClassMethod;
     private static String sWebViewResourcesDir;
 
+    private static final String DEX = "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";
+
     private PluginReflectUtil() {
     }
 
@@ -26,24 +34,15 @@ private PluginReflectUtil() {
      * 防止ReflectUtil在load时陷入findClass的死循环.
      */
     public static void init() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
-            try {
-                Reflector clsReflector = Reflector.on(Class.class);
-                ReflectMethod forName = clsReflector.method("forName", String.class);
-                ReflectMethod getDeclaredMethod = clsReflector.method("getDeclaredMethod", String.class, Class[].class);
-
-                Class<?> vmRuntimeClass = forName.call("dalvik.system.VMRuntime");
 
-                Method getRuntime = getDeclaredMethod.callByCaller(vmRuntimeClass, "getRuntime", null);
-                Object sVmRuntime = getRuntime.invoke(null);
-
-                Method setHiddenApiExemptions = getDeclaredMethod.callByCaller(vmRuntimeClass, "setHiddenApiExemptions", new Class[]{String[].class});
-                Object ignoredHiddenMethodPrefix = new String[]{"L"}; // the method signature prefix, such as "Ldalvik/system", "Landroid" or even "L"
-                setHiddenApiExemptions.invoke(sVmRuntime, ignoredHiddenMethodPrefix);
-            } catch (Throwable ex) {
-                LogUtil.e("reflect VMRuntime failed:", ex);
-            }
+        // 避免调用隐藏API的警告
+        boolean exemptHideApi = false;
+        if (!exemptHideApi()) {
+            exemptHideApi = exemptHideApiByDexFile();
+        } else {
+            exemptHideApi = true;
         }
+        LogUtil.d("exemptHideApi: " + exemptHideApi);
 
         try {
             addAssetPathMethod = Reflector.on(AssetManager.class).method("addAssetPath", String.class);
@@ -137,4 +136,53 @@ public static String getWebViewResourcesDir() {
 
         return null;
     }
+
+    private static boolean exemptHideApiByDexFile() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            FileOutputStream fos = null;
+            File codeCacheDir = x.app().getCodeCacheDir();
+            File code = new File(codeCacheDir, System.currentTimeMillis() + ".dex");
+            try {
+                byte[] bytes = Base64.decode(DEX, Base64.NO_WRAP);
+
+                fos = new FileOutputStream(code);
+                fos.write(bytes);
+                IOUtil.closeQuietly(fos);
+
+                DexFile dexFile = new DexFile(code);
+                Class<?> reflectUtilCls = dexFile.loadClass("org.xplugin.core.util.BootstrapClass", null);
+                Method exemptAll = reflectUtilCls.getDeclaredMethod("exemptHideApi");
+                return (boolean) exemptAll.invoke(null);
+            } catch (Throwable ex) {
+                LogUtil.e(ex.getMessage(), ex);
+                return false;
+            } finally {
+                IOUtil.closeQuietly(fos);
+                IOUtil.deleteFileOrDir(code);
+            }
+        }
+        return true;
+    }
+
+    private static boolean exemptHideApi() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            try {
+                Method forName = Class.class.getDeclaredMethod("forName", String.class);
+                Method getDeclaredMethod = Class.class.getDeclaredMethod("getDeclaredMethod", String.class, Class[].class);
+
+                Class<?> vmRuntimeClass = (Class<?>) forName.invoke(null, new Object[]{"dalvik.system.VMRuntime"});
+
+                Method getRuntime = (Method) getDeclaredMethod.invoke(vmRuntimeClass, "getRuntime", null);
+                Object sVmRuntime = getRuntime.invoke(null);
+
+                Method setHiddenApiExemptions = (Method) getDeclaredMethod.invoke(vmRuntimeClass, "setHiddenApiExemptions", new Class[]{String[].class});
+                Object ignoredHiddenMethodPrefix = new String[]{"L"}; // the method signature prefix, such as "Ldalvik/system", "Landroid" or even "L"
+                setHiddenApiExemptions.invoke(sVmRuntime, ignoredHiddenMethodPrefix);
+                return true;
+            } catch (Throwable ex) {
+                return false;
+            }
+        }
+        return true;
+    }
 }