Initial check-in

Signed-off-by: Kuba Wojciechowski <[email protected]>

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/app/release
+/captures
+.externalNativeBuild
+.cxx
+local.properties

README.md

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+# Carrier Vanity Name
+Carrier Vanity Name is a very simple app to change the carrier names on unrooted Android devices.
+
+The changed names will persist through reboots. To revert them back, click the reset button in the app.
+
+The app uses [Shizuku](https://shizuku.rikka.app/) to achieve this using carrier config overrides. This method was inspired by Kyujin Cho's [pixel-volte-patch](https://github.com/kyujin-cho/pixel-volte-patch), which uses the same method to enable VoLTE on some Google Pixel and LG devices.
+
+**WARNING**: Anything using Shizuku might potentially cause harm to your device (and the data on it). I'm not responsible for any damage that might be caused by this app.
+You have been warned.
+
+[You can download a prebuilt APK here](https://github.com/nullbytepl/CarrierVanityName)

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    namespace 'gay.nullby.carriername'
+    compileSdk 33
+
+    defaultConfig {
+        applicationId "gay.nullby.carriername"
+        minSdk 28
+        targetSdk 33
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+    buildFeatures {
+        viewBinding true
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.core:core-ktx:1.7.0'
+    implementation 'androidx.appcompat:appcompat:1.6.0'
+    implementation 'com.google.android.material:material:1.5.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'androidx.navigation:navigation-fragment-ktx:2.4.1'
+    implementation 'androidx.navigation:navigation-ui-ktx:2.4.1'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+
+    def shizuku_version = "13.1.0"
+    implementation "dev.rikka.shizuku:api:$shizuku_version"
+    implementation "dev.rikka.shizuku:provider:$shizuku_version"
+
+    implementation 'org.lsposed.hiddenapibypass:hiddenapibypass:4.3'
+}

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/gay/nullby/carriername/ExampleInstrumentedTest.kt

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+package gay.nullby.carriername
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("gay.nullby.carriername", appContext.packageName)
+    }
+}

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">
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.CarrierVanityName"
+        tools:targetApi="31">
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.CarrierVanityName">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <provider
+            android:name="rikka.shizuku.ShizukuProvider"
+            android:authorities="${applicationId}.shizuku"
+            android:multiprocess="false"
+            android:enabled="true"
+            android:exported="true"
+            android:permission="android.permission.INTERACT_ACROSS_USERS_FULL" />
+    </application>
+
+</manifest>

app/src/main/java/gay/nullby/carriername/MainActivity.kt

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+package gay.nullby.carriername
+
+import android.os.Build
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.WindowCompat
+import androidx.navigation.findNavController
+import androidx.navigation.ui.AppBarConfiguration
+import androidx.navigation.ui.navigateUp
+import androidx.navigation.ui.setupActionBarWithNavController
+import androidx.annotation.RequiresApi
+import gay.nullby.carriername.databinding.ActivityMainBinding
+import org.lsposed.hiddenapibypass.HiddenApiBypass
+
+class MainActivity : AppCompatActivity() {
+
+    private lateinit var appBarConfiguration: AppBarConfiguration
+    private lateinit var binding: ActivityMainBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        WindowCompat.setDecorFitsSystemWindows(window, false)
+        super.onCreate(savedInstanceState)
+
+        HiddenApiBypass.addHiddenApiExemptions("L")
+        HiddenApiBypass.addHiddenApiExemptions("I")
+
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        setSupportActionBar(binding.toolbar)
+
+        val navController = findNavController(R.id.nav_host_fragment_content_main)
+        appBarConfiguration = AppBarConfiguration(navController.graph)
+        setupActionBarWithNavController(navController, appBarConfiguration)
+    }
+
+    override fun onSupportNavigateUp(): Boolean {
+        val navController = findNavController(R.id.nav_host_fragment_content_main)
+        return navController.navigateUp(appBarConfiguration)
+                || super.onSupportNavigateUp()
+    }
+}

app/src/main/java/gay/nullby/carriername/SetupFragment.kt

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+package gay.nullby.carriername
+
+import android.content.pm.PackageManager
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.navigation.fragment.findNavController
+import gay.nullby.carriername.databinding.FragmentSetupBinding
+import rikka.shizuku.Shizuku
+
+class SetupFragment : Fragment() {
+
+    private var _binding: FragmentSetupBinding? = null
+
+    private val binding get() = _binding!!
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        _binding = FragmentSetupBinding.inflate(inflater, container, false)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        if (Shizuku.getBinder() != null) {
+            // Shizuku is already bound
+            handleShizukuConnected()
+        } else {
+            Shizuku.addBinderReceivedListener {
+                // Shizuku connects after some time
+                handleShizukuConnected()
+            }
+        }
+
+        Shizuku.addRequestPermissionResultListener { _, grantResult ->
+            if (grantResult == PackageManager.PERMISSION_GRANTED) {
+                findNavController().navigate(R.id.action_setup_to_target)
+            }
+        }
+
+        binding.buttonFirst.setOnClickListener {
+            Shizuku.requestPermission(0)
+        }
+    }
+
+    private fun handleShizukuConnected() {
+        if (Shizuku.checkSelfPermission() == PackageManager.PERMISSION_GRANTED) {
+            findNavController().navigate(R.id.action_setup_to_target)
+        } else {
+            binding.buttonFirst.isEnabled = true
+        }
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+
+}