Kotlinfy, Purify and support new version

I forgot to commit QAQ

- Convert to Kotlin
- Add purify function
- Support 5.56

Author: yujincheng08

app/build.gradle

@@ -1,14 +1,16 @@
 apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-android'
 
 android {
     compileSdkVersion 29
 
     defaultConfig {
         applicationId "me.iacn.biliroaming"
-        minSdkVersion 18
+        minSdkVersion 21
         targetSdkVersion 27  // Target Android O
-        versionCode 16
-        versionName "1.1.12"
+        versionCode 17
+        versionName "1.1.13"
     }
 
     buildTypes {
@@ -37,13 +39,17 @@ dependencies {
     implementation fileTree(include: ['*.jar'], dir: 'libs')
     compileOnly 'de.robv.android.xposed:api:82'
     compileOnly 'de.robv.android.xposed:api:82:sources'
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
 }
 
 afterEvaluate {
     installDebug.doLast {
         restartBiliBili()
     }
 }
+repositories {
+    mavenCentral()
+}
 
 def restartBiliBili() {
     exec {

app/src/debug/java/me/iacn/hotxposed/HotXposedInit.java

@@ -0,0 +1,55 @@
+package me.iacn.hotxposed
+
+import android.content.Context
+import android.content.pm.PackageManager
+import dalvik.system.PathClassLoader
+import de.robv.android.xposed.IXposedHookLoadPackage
+import de.robv.android.xposed.XC_MethodReplacement
+import de.robv.android.xposed.XposedHelpers
+import de.robv.android.xposed.callbacks.XC_LoadPackage.LoadPackageParam
+import me.iacn.biliroaming.BuildConfig
+import java.io.File
+
+/**
+ * Created by iAcn on 2019/3/25
+ * Email i@iacn.me
+ */
+class HotXposedInit : IXposedHookLoadPackage {
+    @Throws(Throwable::class)
+    override fun handleLoadPackage(lpparam: LoadPackageParam) {
+        disableModulesUpdatedNotification(lpparam)
+        if (HOST_PACKAGE != lpparam.packageName && HOST_PACKAGE2 != lpparam.packageName
+                && HOST_PACKAGE3 != lpparam.packageName
+                && BuildConfig.APPLICATION_ID != lpparam.packageName) return
+        val moduleApkFile = moduleApkFile
+        if (!moduleApkFile.exists()) return
+        val classLoader = PathClassLoader(moduleApkFile.absolutePath, lpparam.javaClass.classLoader)
+        val xposedInitClass = classLoader.loadClass(REAL_XPOSED_INIT)
+        xposedInitClass?.let{
+            XposedHelpers.callMethod(it.newInstance(), "handleLoadPackage", lpparam)
+        }
+    }
+
+    private fun disableModulesUpdatedNotification(lpparam: LoadPackageParam) {
+        if ("de.robv.android.xposed.installer" == lpparam.packageName) {
+            XposedHelpers.findAndHookMethod("de.robv.android.xposed.installer.util.NotificationUtil", lpparam.classLoader,
+                    "showModulesUpdatedNotification", XC_MethodReplacement.DO_NOTHING)
+        }
+    }
+
+    @get:Throws(PackageManager.NameNotFoundException::class)
+    private val moduleApkFile: File
+        get() {
+            val activityThread = XposedHelpers.callStaticMethod(XposedHelpers.findClass("android.app.ActivityThread", null), "currentActivityThread")
+            val context = XposedHelpers.callMethod(activityThread, "getSystemContext") as Context
+            val applicationInfo = context.packageManager.getApplicationInfo(BuildConfig.APPLICATION_ID, 0)
+            return File(applicationInfo.sourceDir)
+        }
+
+    companion object {
+        private const val HOST_PACKAGE = "tv.danmaku.bili"
+        private const val HOST_PACKAGE2 = "com.bilibili.app.blue"
+        private const val HOST_PACKAGE3 = "com.bilibili.app.in"
+        private const val REAL_XPOSED_INIT = "me.iacn.biliroaming.XposedInit"
+    }
+}