A working version

.gitignore

@@ -53,3 +53,6 @@ google-services.json
 freeline.py
 freeline/
 freeline_project_description.json
+
+# Mac
+.DS_Store

app/.gitignore

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

app/build.gradle

@@ -0,0 +1,31 @@
+apply plugin: 'com.android.application'
+
+android {
+    signingConfigs {
+    }
+    compileSdkVersion 26
+    defaultConfig {
+        applicationId "pw.rabit.xdebuggable"
+        minSdkVersion 25
+        targetSdkVersion 26
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+        debug {
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    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'
+    compileOnly 'de.robv.android.xposed:api:82'
+}

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/pw/rabit/xdebuggable/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package pw.rabit.xdebuggable;
+
+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("pw.rabit.xdebuggable", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,22 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="pw.rabit.xdebuggable">
+
+    <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">
+        <meta-data
+            android:name="xposedmodule"
+            android:value="true" />
+        <meta-data
+            android:name="xposeddescription"
+            android:value="Make your ROM behave like userdebug" />
+        <meta-data
+            android:name="xposedminversion"
+            android:value="82" />
+    </application>
+
+</manifest>

app/src/main/assets/xposed_init

@@ -0,0 +1 @@
+pw.rabit.xdebuggable.DebugHook

app/src/main/java/pw/rabit/xdebuggable/DebugHook.java

@@ -0,0 +1,54 @@
+package pw.rabit.xdebuggable;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.Intent;
+import android.provider.Settings;
+
+import de.robv.android.xposed.IXposedHookLoadPackage;
+import de.robv.android.xposed.XC_MethodHook;
+import de.robv.android.xposed.XposedBridge;
+import de.robv.android.xposed.XposedHelpers;
+import de.robv.android.xposed.callbacks.XC_LoadPackage;
+
+/**
+ * Created by tim on 2017/10/16.
+ */
+
+public class DebugHook implements IXposedHookLoadPackage {
+    @Override
+    public void handleLoadPackage(XC_LoadPackage.LoadPackageParam loadPackageParam) throws Throwable {
+        if (loadPackageParam.packageName.equals("com.android.settings")) {
+            XposedHelpers.findAndHookMethod(
+                    "com.android.settings.AppPicker",
+                    loadPackageParam.classLoader,
+                    "onCreate",
+                    "android.os.Bundle",
+                    new XC_MethodHook() {
+                        @Override
+                        protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
+                            Activity app = (Activity) param.thisObject;
+                            Intent intent = app.getIntent();
+                            intent.putExtra("com.android.settings.extra.DEBUGGABLE", false);
+                            app.setIntent(intent);
+                        }
+                    }
+            );
+        } else if (loadPackageParam.packageName.equals("android")) {
+            // Inspired from https://github.com/jecelyin/buildprop/blob/master/app/src/main/java/com/jecelyin/buildprop/BuildPropEditor.java
+            XposedBridge.hookAllMethods(android.os.Process.class, "start", new XC_MethodHook() {
+                @Override
+                protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
+                    // http://androidxref.com/7.1.1_r6/xref/frameworks/base/core/java/android/os/Process.java#start
+                    String niceName = (String) param.args[1];
+                    int flags = (int) param.args[5];
+
+                    if (niceName.equals(Settings.Global.getString(new ContentResolver(null) {}, Settings.Global.DEBUG_APP))) {
+                        param.args[5] = flags | 1;  // http://androidxref.com/7.1.1_r6/xref/frameworks/base/core/java/com/android/internal/os/Zygote.java#DEBUG_ENABLE_DEBUGGER
+                        XposedBridge.log("Set flag DEBUG_ENABLE_DEBUGGER for app " + niceName);
+                    }
+                }
+            });
+        }
+    }
+}

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

@@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportHeight="108"
+    android:viewportWidth="108">
+    <path
+        android:fillType="evenOdd"
+        android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="78.5885"
+                android:endY="90.9159"
+                android:startX="48.7653"
+                android:startY="61.0927"
+                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="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
+        android:strokeColor="#00000000"
+        android:strokeWidth="1" />
+</vector>