Initial Code Commit

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+
+\.idea/

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        applicationId "com.ljmu.andre.artdeoptimiser"
+        minSdkVersion 23
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:27.0.2'
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'com.android.support:design:27.0.2'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    compile 'com.google.code.gson:gson:2.8.2'
+    compile 'com.jakewharton:butterknife:8.8.1'
+    annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
+    implementation 'com.afollestad.material-dialogs:core:0.9.6.0'
+
+    // Xposed
+    provided 'de.robv.android.xposed:api:82'
+    provided 'de.robv.android.xposed:api:82:sources'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/ljmu/andre/artdeoptimiser/ExampleInstrumentedTest.java

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+package com.ljmu.andre.artdeoptimiser;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+	@Test
+	public void useAppContext() throws Exception {
+		// Context of the app under test.
+		Context appContext = InstrumentationRegistry.getTargetContext();
+
+		assertEquals("com.ljmu.andre.artdeoptimiser", appContext.getPackageName());
+	}
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          xmlns:tools="http://schemas.android.com/tools"
+          package="com.ljmu.andre.artdeoptimiser">
+
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.AppCompat.NoActionBar"
+        tools:replace="android:icon">
+        <meta-data
+            android:name="xposedmodule"
+            android:value="true"/>
+        <meta-data
+            android:name="xposeddescription"
+            android:value="Easy example which makes the status bar clock red and adds a smiley"/>
+        <meta-data
+            android:name="xposedminversion"
+            android:value="80"/>
+
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+
+        <activity
+            android:name=".LegalActivity"
+            android:label="@string/title_activity_legal"
+            android:parentActivityName=".MainActivity"
+            android:theme="@style/Theme.AppCompat.NoActionBar">
+        </activity>
+    </application>
+
+</manifest>

app/src/main/assets/xposed_init

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+com.ljmu.andre.artdeoptimiser.HookManager

app/src/main/java/com/ljmu/andre/artdeoptimiser/HookManager.java

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+package com.ljmu.andre.artdeoptimiser;
+
+import android.content.pm.ApplicationInfo;
+import android.content.res.Resources;
+import android.content.res.XmlResourceParser;
+import android.util.Log;
+
+import com.ljmu.andre.artdeoptimiser.Utils.PackageUtils;
+
+import java.io.File;
+
+import de.robv.android.xposed.IXposedHookLoadPackage;
+import de.robv.android.xposed.XC_MethodHook;
+import de.robv.android.xposed.XposedBridge;
+import de.robv.android.xposed.callbacks.XC_LoadPackage.LoadPackageParam;
+
+import static com.ljmu.andre.artdeoptimiser.MainActivity.TAG;
+import static de.robv.android.xposed.XposedHelpers.findAndHookMethod;
+import static de.robv.android.xposed.XposedHelpers.findClass;
+import static de.robv.android.xposed.XposedHelpers.getObjectField;
+
+/**
+ * This class was created by Andre R M (SID: 701439)
+ * It and its contents are free to use by all
+ */
+
+public class HookManager implements IXposedHookLoadPackage {
+	private static final Object DEOP_FOLDER_LOCK = new Object();
+	private File deopFolder;
+
+	@Override public void handleLoadPackage(LoadPackageParam lpparam) throws Throwable {
+		if (lpparam.packageName.equals("android")) {
+			try {
+				ClassLoader classLoader = lpparam.classLoader;
+				Class packageParserClass = findClass("android.content.pm.PackageParser", classLoader);
+				Class packageClass = findClass("android.content.pm.PackageParser$Package", classLoader);
+
+				findAndHookMethod(
+						packageParserClass,
+						"parseBaseApplication", packageClass, Resources.class, XmlResourceParser.class, int.class, String[].class,
+						new XC_MethodHook() {
+							@Override protected void afterHookedMethod(MethodHookParam param) throws Throwable {
+								Log.d(TAG, "Parsing Base Application");
+
+								// Lock required as this function is highly multi-threaded ===================
+								synchronized (DEOP_FOLDER_LOCK) {
+									if (deopFolder == null) {
+										deopFolder = PackageUtils.getDeoptimisationFolder();
+									}
+								}
+
+								ApplicationInfo appInfo = (ApplicationInfo) getObjectField(param.args[0], "applicationInfo");
+
+								if (appInfo == null) {
+									return;
+								}
+
+								String packageName = appInfo.packageName;
+
+								XposedBridge.log("Adjusting package flags for: " + packageName);
+
+								Log.d(TAG, "Starting Flag Manipulation");
+								Log.d(TAG, "Start Flags: " + appInfo.flags);
+
+								if (new File(deopFolder, packageName + PackageUtils.DEOP_EXT).exists())
+									appInfo.flags |= ApplicationInfo.FLAG_VM_SAFE_MODE;
+
+								if (new File(deopFolder, packageName + PackageUtils.DEBUG_EXT).exists())
+									appInfo.flags |= ApplicationInfo.FLAG_DEBUGGABLE;
+
+								Log.d(TAG, "End Flags: " + appInfo.flags);
+							}
+						}
+				);
+			} catch (Throwable t) {
+				Log.e(TAG, "Error with main xposed hooking", t);
+				XposedBridge.log(t);
+			}
+		}
+	}
+}

app/src/main/java/com/ljmu/andre/artdeoptimiser/LegalActivity.java

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+package com.ljmu.andre.artdeoptimiser;
+
+import android.os.Bundle;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.Unbinder;
+
+public class LegalActivity extends AppCompatActivity {
+
+	@BindView(R.id.toolbar) Toolbar toolbar;
+	Unbinder unbinder;
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_legal);
+		unbinder = ButterKnife.bind(this);
+
+		setSupportActionBar(toolbar);
+		ActionBar actionBar = getSupportActionBar();
+
+		if (actionBar != null) {
+			actionBar.setDisplayHomeAsUpEnabled(true);
+		}
+	}
+
+	@Override protected void onDestroy() {
+		super.onDestroy();
+		unbinder.unbind();
+	}
+}