initial commit

.gitignore

@@ -1,14 +1,14 @@
+*.iml
 .gradle
-/build/
-
-# Ignore Gradle GUI config
-gradle-app.setting
-
-# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
-!gradle-wrapper.jar
-
-# Cache of project
-.gradletasknamecache
-
-# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
-# gradle/wrapper/gradle-wrapper.properties
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx

README.md

@@ -1,2 +1,80 @@
 # RestrictionBypass
 Android API restriction bypass for all Android Versions
+
+## Description
+
+Small library to access hidden API restricted by https://developer.android.com/distribute/best-practices/develop/restrictions-non-sdk-interfaces
+
+## Supported Android Versions
+
+Android API 19 - 30
+
+## Examples
+
+#### getDeclaredField(...)
+
+Original reflection call
+
+```
+        Class.forName("android.app.ActivityThread").getDeclaredField(
+            "mResourcesManager"
+        )
+```
+
+Call with RestrictionBypass
+
+```
+            RestrictionBypass.getDeclaredField(
+                Class.forName("android.app.ActivityThread"),
+                "mResourcesManager"
+
+            )
+```
+
+#### getMethod(...)
+
+Original reflection call
+
+
+```
+        Class.forName("android.app.ActivityThread").getMethod(
+            "getPackageInfo", String::class.java, Class.forName("android.content.res.CompatibilityInfo"), Integer.TYPE
+        )
+```
+Call with RestrictionBypass
+
+```
+            RestrictionBypass.getMethod(
+                Class.forName("android.app.ActivityThread"),
+                "getPackageInfo", String::class.java, Class.forName("android.content.res.CompatibilityInfo"), Integer.TYPE
+            )
+```
+
+#### getDeclaredMethod(...)
+Original reflection call
+
+```
+        Class.forName("android.app.ActivityThread").getDeclaredMethod(
+            "getPackageInfo", String::class.java, Class.forName("android.content.res.CompatibilityInfo"), Integer.TYPE
+        )
+```
+Call with RestrictionBypass
+
+```
+            RestrictionBypass.getDeclaredMethod(
+                Class.forName("android.app.ActivityThread"),
+                "getPackageInfo", String::class.java, Class.forName("android.content.res.CompatibilityInfo"), Integer.TYPE
+            )
+```
+
+## Integration
+
+Just take the maven repository:
+
+```
+WIP
+```
+
+Or take the prebuilt aar library: [restrictionbypass.aar](prebuild/restrictionbypass.aar)
+
+## Troubleshooting

app/.gitignore

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

app/build.gradle

@@ -0,0 +1,38 @@
+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 29
+    buildToolsVersion "29.0.3"
+
+    defaultConfig {
+        applicationId "org.chickenhook.restrictionbypass.app"
+        minSdkVersion 19
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.2.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    implementation project(':restrictionbypass')
+}

app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# 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/org/chickenhook/restrictionbypass/app/KotlinExamples.kt

@@ -0,0 +1,43 @@
+package org.chickenhook.restrictionbypass.app
+
+import junit.framework.Assert.assertNotNull
+import org.chickenhook.restrictionbypass.RestrictionBypass
+import org.junit.Test
+
+class KotlinExamples {
+
+    @Test(expected = NoSuchFieldException::class)  // will fail due to api restrictions
+    fun accessResourcesManagerWithoutBypass() {
+        Class.forName("android.app.ActivityThread").getDeclaredField(
+            "mResourcesManager"
+        )
+    }
+
+    @Test
+    fun accessResourcesManagerWithBypass() {
+        assertNotNull(
+            RestrictionBypass.getDeclaredField(
+                Class.forName("android.app.ActivityThread"),
+                "mResourcesManager"
+
+            )
+        )
+    }
+
+    @Test(expected = NoSuchMethodException::class)  // will fail due to api restrictions
+    fun invokeGetPackageInfoWithoutBypass() {
+        Class.forName("android.app.ActivityThread").getMethod(
+            "getPackageInfo", String::class.java, Class.forName("android.content.res.CompatibilityInfo"), Integer.TYPE
+        )
+    }
+
+    @Test
+    fun invokeGetPackageInfoWithBypass() {
+        assertNotNull(
+            RestrictionBypass.getMethod(
+                Class.forName("android.app.ActivityThread"),
+                "getPackageInfo", String::class.java, Class.forName("android.content.res.CompatibilityInfo"), Integer.TYPE
+            )
+        )
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.chickenhook.restrictionbypass.app">
+
+    <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/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/org/chickenhook/restrictionbypass/app/MainActivity.kt

@@ -0,0 +1,12 @@
+package org.chickenhook.restrictionbypass.app
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+    }
+}

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>