Upgrade project to new Android Studio template and migrate Java code to Kotlin (#3937)

### Summary
- Updated the project structure using the latest Android Studio template.
- Migrated portions of the codebase from Java to Kotlin for improved readability and maintainability.

### Details
- Refactored and reorganized files according to the new Android Studio project template to ensure compatibility with the latest project standards.
- Migrated key Java classes to Kotlin, adopting Kotlin idioms and improving type safety.
- Verified that core functionalities remain intact after migration and update.
- Removed redundant Java files and updated imports where necessary.

### Notes
- Further Kotlin migration may be needed as additional Java files are reviewed.
- Test thoroughly to confirm that all functionalities work as expected after these changes.

V2rayNG/app/build.gradle.kts

@@ -1,11 +1,11 @@
 plugins {
-    id("com.android.application")
-    id("org.jetbrains.kotlin.android")
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
 }
 
 android {
     namespace = "com.v2ray.ang"
-    compileSdk = 34
+    compileSdk = 35
 
     defaultConfig {
         applicationId = "com.v2ray.ang"
@@ -14,6 +14,7 @@ android {
         versionCode = 612
         versionName = "1.9.16"
         multiDexEnabled = true
+
         splits {
             abi {
                 isEnable = true
@@ -27,20 +28,16 @@ android {
             }
         }
 
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
     }
 
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
-    }
     buildTypes {
         release {
             isMinifyEnabled = false
-
-        }
-        debug {
-            isMinifyEnabled = false
-
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
         }
     }
 
@@ -50,8 +47,13 @@ android {
         }
     }
 
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8.toString()
+        jvmTarget = JavaVersion.VERSION_11.toString()
     }
 
     applicationVariants.all {
@@ -69,7 +71,8 @@ android {
 
                 output.outputFileName = "v2rayNG_${variant.versionName}_${abi}.apk"
                 if (versionCodes.containsKey(abi)) {
-                    output.versionCodeOverride = (1000000 * versionCodes[abi]!!).plus(variant.versionCode)
+                    output.versionCodeOverride =
+                        (1000000 * versionCodes[abi]!!).plus(variant.versionCode)
                 } else {
                     return@forEach
                 }
@@ -86,49 +89,60 @@ android {
             useLegacyPackaging = true
         }
     }
+
 }
 
 dependencies {
+    // Core Libraries
     implementation(fileTree(mapOf("dir" to "libs", "include" to listOf("*.aar", "*.jar"))))
-    testImplementation(libs.junit)
-    testImplementation(libs.org.mockito.mockito.inline)
-    testImplementation(libs.mockito.kotlin)
 
-    implementation(libs.flexbox)
-    // Androidx
-    implementation(libs.constraintlayout)
-    implementation(libs.legacy.support.v4)
-    implementation(libs.appcompat)
-    implementation(libs.material)
-    implementation(libs.cardview)
+    // AndroidX Core Libraries
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.androidx.activity)
+    implementation(libs.androidx.constraintlayout)
     implementation(libs.preference.ktx)
     implementation(libs.recyclerview)
-    implementation(libs.fragment.ktx)
-    implementation(libs.multidex)
-    implementation(libs.viewpager2)
 
-    // Androidx ktx
-    implementation(libs.activity.ktx)
+    // UI Libraries
+    implementation(libs.material)
+    implementation(libs.toastcompat)
+    implementation(libs.editorkit)
+    implementation(libs.flexbox)
+
+    // Data and Storage Libraries
+    implementation(libs.mmkv.static)
+    implementation(libs.gson)
+
+    // Reactive and Utility Libraries
+    implementation(libs.rxjava)
+    implementation(libs.rxandroid)
+    implementation(libs.rxpermissions)
+
+    // Language and Processing Libraries
+    implementation(libs.language.base)
+    implementation(libs.language.json)
+
+    // Intent and Utility Libraries
+    implementation(libs.quickie.bundled)
+    implementation(libs.core)
+
+    // AndroidX Lifecycle and Architecture Components
     implementation(libs.lifecycle.viewmodel.ktx)
     implementation(libs.lifecycle.livedata.ktx)
     implementation(libs.lifecycle.runtime.ktx)
 
-    //kotlin
-    implementation(libs.kotlin.reflect)
-    implementation(libs.kotlinx.coroutines.core)
-    implementation(libs.kotlinx.coroutines.android)
-
-    implementation(libs.mmkv.static)
-    implementation(libs.gson)
-    implementation(libs.rxjava)
-    implementation(libs.rxandroid)
-    implementation(libs.rxpermissions)
-    implementation(libs.toastcompat)
-    implementation(libs.editorkit)
-    implementation(libs.language.base)
-    implementation(libs.language.json)
-    implementation(libs.quickie.bundled)
-    implementation(libs.core)
+    // Background Task Libraries
     implementation(libs.work.runtime.ktx)
     implementation(libs.work.multiprocess)
-}
+
+    // Multidex Support
+    implementation(libs.multidex)
+
+    // Testing Libraries
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+    testImplementation(libs.org.mockito.mockito.inline)
+    testImplementation(libs.mockito.kotlin)
+}

V2rayNG/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

V2rayNG/app/src/main/java/com/v2ray/ang/helper/ItemTouchHelperAdapter.kt

@@ -13,46 +13,41 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
-package com.v2ray.ang.helper;
-
-import androidx.recyclerview.widget.ItemTouchHelper;
-import androidx.recyclerview.widget.RecyclerView;
+package com.v2ray.ang.helper
 
 /**
- * Interface to listen for a move or dismissal event from a {@link ItemTouchHelper.Callback}.
+ * Interface to listen for a move or dismissal event from a [ItemTouchHelper.Callback].
  *
  * @author Paul Burke (ipaulpro)
  */
-public interface ItemTouchHelperAdapter {
-
+interface ItemTouchHelperAdapter {
     /**
      * Called when an item has been dragged far enough to trigger a move. This is called every time
-     * an item is shifted, and <strong>not</strong> at the end of a "drop" event.<br/>
-     * <br/>
-     * Implementations should call {@link RecyclerView.Adapter#notifyItemMoved(int, int)} after
+     * an item is shifted, and **not** at the end of a "drop" event.<br></br>
+     * <br></br>
+     * Implementations should call [RecyclerView.Adapter.notifyItemMoved] after
      * adjusting the underlying data to reflect this move.
      *
      * @param fromPosition The start position of the moved item.
      * @param toPosition   Then resolved position of the moved item.
      * @return True if the item was moved to the new adapter position.
-     * @see RecyclerView#getAdapterPositionFor(RecyclerView.ViewHolder)
-     * @see RecyclerView.ViewHolder#getAdapterPosition()
+     * @see RecyclerView.getAdapterPositionFor
+     * @see RecyclerView.ViewHolder.getAdapterPosition
      */
-    boolean onItemMove(int fromPosition, int toPosition);
+    fun onItemMove(fromPosition: Int, toPosition: Int): Boolean
 
 
-    void onItemMoveCompleted();
+    fun onItemMoveCompleted()
 
     /**
-     * Called when an item has been dismissed by a swipe.<br/>
-     * <br/>
-     * Implementations should call {@link RecyclerView.Adapter#notifyItemRemoved(int)} after
+     * Called when an item has been dismissed by a swipe.<br></br>
+     * <br></br>
+     * Implementations should call [RecyclerView.Adapter.notifyItemRemoved] after
      * adjusting the underlying data to reflect this removal.
      *
      * @param position The position of the item dismissed.
-     * @see RecyclerView#getAdapterPositionFor(RecyclerView.ViewHolder)
-     * @see RecyclerView.ViewHolder#getAdapterPosition()
+     * @see RecyclerView.getAdapterPositionFor
+     * @see RecyclerView.ViewHolder.getAdapterPosition
      */
-    void onItemDismiss(int position);
+    fun onItemDismiss(position: Int)
 }

V2rayNG/app/src/main/java/com/v2ray/ang/helper/ItemTouchHelperViewHolder.kt

@@ -13,29 +13,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+package com.v2ray.ang.helper
 
-package com.v2ray.ang.helper;
-
-import androidx.recyclerview.widget.ItemTouchHelper;
+import androidx.recyclerview.widget.ItemTouchHelper
 
 /**
- * Interface to notify an item ViewHolder of relevant callbacks from {@link
- * ItemTouchHelper.Callback}.
+ * Interface to notify an item ViewHolder of relevant callbacks from [ ].
  *
  * @author Paul Burke (ipaulpro)
  */
-public interface ItemTouchHelperViewHolder {
-
+interface ItemTouchHelperViewHolder {
     /**
-     * Called when the {@link ItemTouchHelper} first registers an item as being moved or swiped.
+     * Called when the [ItemTouchHelper] first registers an item as being moved or swiped.
      * Implementations should update the item view to indicate it's active state.
      */
-    void onItemSelected();
+    fun onItemSelected()
 
 
     /**
-     * Called when the {@link ItemTouchHelper} has completed the move or swipe, and the active item
+     * Called when the [ItemTouchHelper] has completed the move or swipe, and the active item
      * state should be cleared.
      */
-    void onItemClear();
+    fun onItemClear()
 }

V2rayNG/app/src/main/java/com/v2ray/ang/helper/SimpleItemTouchHelperCallback.java

@@ -1,160 +0,0 @@
-/*
- * Copyright (C) 2015 Paul Burke
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.v2ray.ang.helper;
-
-import android.animation.ValueAnimator;
-import android.graphics.Canvas;
-import android.view.animation.DecelerateInterpolator;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.GridLayoutManager;
-import androidx.recyclerview.widget.ItemTouchHelper;
-import androidx.recyclerview.widget.RecyclerView;
-
-/**
- * An implementation of {@link ItemTouchHelper.Callback} that enables basic drag & drop and
- * swipe-to-dismiss. Drag events are automatically started by an item long-press.<br/>
- * </br/>
- * Expects the <code>RecyclerView.Adapter</code> to listen for {@link
- * ItemTouchHelperAdapter} callbacks and the <code>RecyclerView.ViewHolder</code> to implement
- * {@link ItemTouchHelperViewHolder}.
- *
- * @author Paul Burke (ipaulpro)
- */
-public class SimpleItemTouchHelperCallback extends ItemTouchHelper.Callback {
-
-    private static final float ALPHA_FULL = 1.0f;
-    private static final float SWIPE_THRESHOLD = 0.25f;
-    private static final long ANIMATION_DURATION = 200;
-
-    private final ItemTouchHelperAdapter mAdapter;
-    private ValueAnimator mReturnAnimator;
-
-    public SimpleItemTouchHelperCallback(ItemTouchHelperAdapter adapter) {
-        mAdapter = adapter;
-    }
-
-    @Override
-    public boolean isLongPressDragEnabled() {
-        return true;
-    }
-
-    @Override
-    public boolean isItemViewSwipeEnabled() {
-        return true;
-    }
-
-    @Override
-    public int getMovementFlags(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
-        if (recyclerView.getLayoutManager() instanceof GridLayoutManager) {
-            final int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN | ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT;
-            final int swipeFlags = ItemTouchHelper.START | ItemTouchHelper.END;
-            return makeMovementFlags(dragFlags, swipeFlags);
-        } else {
-            final int dragFlags = ItemTouchHelper.UP | ItemTouchHelper.DOWN;
-            final int swipeFlags = ItemTouchHelper.START | ItemTouchHelper.END;
-            return makeMovementFlags(dragFlags, swipeFlags);
-        }
-    }
-
-    @Override
-    public boolean onMove(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder source, @NonNull RecyclerView.ViewHolder target) {
-        if (source.getItemViewType() != target.getItemViewType()) {
-            return false;
-        }
-        mAdapter.onItemMove(source.getBindingAdapterPosition(), target.getBindingAdapterPosition());
-        return true;
-    }
-
-    @Override
-    public void onSwiped(@NonNull RecyclerView.ViewHolder viewHolder, int direction) {
-        // 不执行删除操作，仅返回项目到原位
-        returnViewToOriginalPosition(viewHolder);
-    }
-
-    @Override
-    public void onChildDraw(@NonNull Canvas c, @NonNull RecyclerView recyclerView,
-                            @NonNull RecyclerView.ViewHolder viewHolder,
-                            float dX, float dY, int actionState, boolean isCurrentlyActive) {
-        if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {
-            float maxSwipeDistance = viewHolder.itemView.getWidth() * SWIPE_THRESHOLD;
-            float swipeAmount = Math.abs(dX);
-            float direction = Math.signum(dX);
-
-            // 限制最大滑动距离
-            float translationX = Math.min(swipeAmount, maxSwipeDistance) * direction;
-            float alpha = ALPHA_FULL - Math.min(swipeAmount, maxSwipeDistance) / maxSwipeDistance;
-
-            viewHolder.itemView.setTranslationX(translationX);
-            viewHolder.itemView.setAlpha(alpha);
-
-            if (swipeAmount >= maxSwipeDistance && isCurrentlyActive) {
-                returnViewToOriginalPosition(viewHolder);
-            }
-        } else {
-            super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive);
-        }
-    }
-
-    private void returnViewToOriginalPosition(RecyclerView.ViewHolder viewHolder) {
-        if (mReturnAnimator != null && mReturnAnimator.isRunning()) {
-            mReturnAnimator.cancel();
-        }
-
-        mReturnAnimator = ValueAnimator.ofFloat(viewHolder.itemView.getTranslationX(), 0f);
-        mReturnAnimator.addUpdateListener(animation -> {
-            float value = (float) animation.getAnimatedValue();
-            viewHolder.itemView.setTranslationX(value);
-            viewHolder.itemView.setAlpha(1f - Math.abs(value) / (viewHolder.itemView.getWidth() * SWIPE_THRESHOLD));
-        });
-        mReturnAnimator.setInterpolator(new DecelerateInterpolator());
-        mReturnAnimator.setDuration(ANIMATION_DURATION);
-        mReturnAnimator.start();
-    }
-
-    @Override
-    public void onSelectedChanged(RecyclerView.ViewHolder viewHolder, int actionState) {
-        if (actionState != ItemTouchHelper.ACTION_STATE_IDLE) {
-            if (viewHolder instanceof ItemTouchHelperViewHolder) {
-                ItemTouchHelperViewHolder itemViewHolder = (ItemTouchHelperViewHolder) viewHolder;
-                itemViewHolder.onItemSelected();
-            }
-        }
-        super.onSelectedChanged(viewHolder, actionState);
-    }
-
-    @Override
-    public void clearView(@NonNull RecyclerView recyclerView, @NonNull RecyclerView.ViewHolder viewHolder) {
-        super.clearView(recyclerView, viewHolder);
-        viewHolder.itemView.setAlpha(ALPHA_FULL);
-        if (viewHolder instanceof ItemTouchHelperViewHolder) {
-            ItemTouchHelperViewHolder itemViewHolder = (ItemTouchHelperViewHolder) viewHolder;
-            itemViewHolder.onItemClear();
-        }
-        mAdapter.onItemMoveCompleted();
-    }
-
-    @Override
-    public float getSwipeThreshold(@NonNull RecyclerView.ViewHolder viewHolder) {
-        return 1.1f; // 设置一个大于1的值，确保不会触发默认的滑动删除操作
-    }
-
-    @Override
-    public float getSwipeEscapeVelocity(float defaultValue) {
-        return defaultValue * 10; // 增加滑动逃逸速度，使得更难触发滑动
-    }
-}

V2rayNG/app/src/main/java/com/v2ray/ang/helper/SimpleItemTouchHelperCallback.kt

@@ -0,0 +1,148 @@
+/*
+ * Copyright (C) 2015 Paul Burke
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.v2ray.ang.helper
+
+import android.animation.ValueAnimator
+import android.animation.ValueAnimator.AnimatorUpdateListener
+import android.graphics.Canvas
+import android.view.animation.DecelerateInterpolator
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.ItemTouchHelper
+import androidx.recyclerview.widget.RecyclerView
+import kotlin.math.abs
+import kotlin.math.min
+import kotlin.math.sign
+
+/**
+ * An implementation of [ItemTouchHelper.Callback] that enables basic drag & drop and
+ * swipe-to-dismiss. Drag events are automatically started by an item long-press.<br></br>
+ *
+ * Expects the `RecyclerView.Adapter` to listen for [ ] callbacks and the `RecyclerView.ViewHolder` to implement
+ * [ItemTouchHelperViewHolder].
+ *
+ * @author Paul Burke (ipaulpro)
+ */
+class SimpleItemTouchHelperCallback(private val mAdapter: ItemTouchHelperAdapter) : ItemTouchHelper.Callback() {
+    private var mReturnAnimator: ValueAnimator? = null
+
+    override fun isLongPressDragEnabled(): Boolean = true
+
+    override fun isItemViewSwipeEnabled(): Boolean = true
+
+    override fun getMovementFlags(
+        recyclerView: RecyclerView,
+        viewHolder: RecyclerView.ViewHolder
+    ): Int {
+        val dragFlags: Int
+        val swipeFlags: Int
+        if (recyclerView.layoutManager is GridLayoutManager) {
+            dragFlags = ItemTouchHelper.UP or ItemTouchHelper.DOWN or ItemTouchHelper.LEFT or ItemTouchHelper.RIGHT
+            swipeFlags = ItemTouchHelper.START or ItemTouchHelper.END
+        } else {
+            dragFlags = ItemTouchHelper.UP or ItemTouchHelper.DOWN
+            swipeFlags = ItemTouchHelper.START or ItemTouchHelper.END
+        }
+        return makeMovementFlags(dragFlags, swipeFlags)
+    }
+
+    override fun onMove(
+        recyclerView: RecyclerView,
+        source: RecyclerView.ViewHolder,
+        target: RecyclerView.ViewHolder
+    ): Boolean {
+        return if (source.itemViewType != target.itemViewType) {
+            false
+        } else {
+            mAdapter.onItemMove(source.bindingAdapterPosition, target.bindingAdapterPosition)
+            true
+        }
+    }
+
+    override fun onSwiped(viewHolder: RecyclerView.ViewHolder, direction: Int) {
+        // Do not delete; simply return item to original position
+        returnViewToOriginalPosition(viewHolder)
+    }
+
+    override fun onChildDraw(
+        c: Canvas, recyclerView: RecyclerView,
+        viewHolder: RecyclerView.ViewHolder,
+        dX: Float, dY: Float, actionState: Int, isCurrentlyActive: Boolean
+    ) {
+        if (actionState == ItemTouchHelper.ACTION_STATE_SWIPE) {
+            val maxSwipeDistance = viewHolder.itemView.width * SWIPE_THRESHOLD
+            val swipeAmount = abs(dX)
+            val direction = sign(dX)
+
+            // Limit maximum swipe distance
+            val translationX = min(swipeAmount, maxSwipeDistance) * direction
+            val alpha = ALPHA_FULL - min(swipeAmount, maxSwipeDistance) / maxSwipeDistance
+
+            viewHolder.itemView.translationX = translationX
+            viewHolder.itemView.alpha = alpha
+
+            if (swipeAmount >= maxSwipeDistance && isCurrentlyActive) {
+                returnViewToOriginalPosition(viewHolder)
+            }
+        } else {
+            super.onChildDraw(c, recyclerView, viewHolder, dX, dY, actionState, isCurrentlyActive)
+        }
+    }
+
+    private fun returnViewToOriginalPosition(viewHolder: RecyclerView.ViewHolder) {
+        mReturnAnimator?.takeIf { it.isRunning }?.cancel()
+
+        mReturnAnimator = ValueAnimator.ofFloat(viewHolder.itemView.translationX, 0f).apply {
+            addUpdateListener { animation ->
+                val value = animation.animatedValue as Float
+                viewHolder.itemView.translationX = value
+                viewHolder.itemView.alpha = (1f - abs(value) / (viewHolder.itemView.width * SWIPE_THRESHOLD))
+            }
+            interpolator = DecelerateInterpolator()
+            duration = ANIMATION_DURATION
+            start()
+        }
+    }
+
+    override fun onSelectedChanged(viewHolder: RecyclerView.ViewHolder?, actionState: Int) {
+        if (actionState != ItemTouchHelper.ACTION_STATE_IDLE && viewHolder is ItemTouchHelperViewHolder) {
+            viewHolder.onItemSelected()
+        }
+        super.onSelectedChanged(viewHolder, actionState)
+    }
+
+    override fun clearView(recyclerView: RecyclerView, viewHolder: RecyclerView.ViewHolder) {
+        super.clearView(recyclerView, viewHolder)
+        viewHolder.itemView.alpha = ALPHA_FULL
+        if (viewHolder is ItemTouchHelperViewHolder) {
+            viewHolder.onItemClear()
+        }
+        mAdapter.onItemMoveCompleted()
+    }
+
+    override fun getSwipeThreshold(viewHolder: RecyclerView.ViewHolder): Float {
+        return 1.1f // Set a value greater than 1 to prevent default swipe delete
+    }
+
+    override fun getSwipeEscapeVelocity(defaultValue: Float): Float {
+        return defaultValue * 10 // Increase swipe escape velocity to make swipe harder to trigger
+    }
+
+    companion object {
+        private const val ALPHA_FULL = 1.0f
+        private const val SWIPE_THRESHOLD = 0.25f
+        private const val ANIMATION_DURATION: Long = 200
+    }
+}

V2rayNG/app/src/main/java/com/v2ray/ang/util/AppManagerUtil.kt

@@ -13,13 +13,11 @@ object AppManagerUtil {
         val apps = ArrayList<AppInfo>()
 
         for (pkg in packages) {
-            //if (!pkg.hasInternetPermission && pkg.packageName != "android") continue
-
-            val applicationInfo = pkg.applicationInfo
+            val applicationInfo = pkg.applicationInfo ?: continue
 
             val appName = applicationInfo.loadLabel(packageManager).toString()
-            val appIcon = applicationInfo.loadIcon(packageManager)
-            val isSystemApp = applicationInfo.flags and ApplicationInfo.FLAG_SYSTEM > 0
+            val appIcon = applicationInfo.loadIcon(packageManager) ?: continue
+            val isSystemApp = (applicationInfo.flags and ApplicationInfo.FLAG_SYSTEM) > 0
 
             val appInfo = AppInfo(appName, pkg.packageName, appIcon, isSystemApp, 0)
             apps.add(appInfo)

V2rayNG/app/src/test/java/com/v2ray/ang/AngUnitTest.kt

@@ -0,0 +1,47 @@
+package com.v2ray.ang
+
+import com.v2ray.ang.util.Utils
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class AngUnitTest {
+
+    @Test
+    fun test_parseInt() {
+        assertEquals(Utils.parseInt("1234"), 1234)
+    }
+
+    @Test
+    fun test_isIpAddress() {
+        assertFalse(Utils.isIpAddress("114.113.112.266"))
+        assertFalse(Utils.isIpAddress("666.666.666.666"))
+        assertFalse(Utils.isIpAddress("256.0.0.0"))
+        assertFalse(Utils.isIpAddress("::ffff:127.0.0.0.1"))
+        assertFalse(Utils.isIpAddress("baidu.com"))
+        assertFalse(Utils.isIpAddress(""))
+
+        assertTrue(Utils.isIpAddress("127.0.0.1"))
+        assertTrue(Utils.isIpAddress("127.0.0.1:80"))
+        assertTrue(Utils.isIpAddress("0.0.0.0/0"))
+        assertTrue(Utils.isIpAddress("::1"))
+        assertTrue(Utils.isIpAddress("[::1]:80"))
+        assertTrue(Utils.isIpAddress("2605:2700:0:3::4713:93e3"))
+        assertTrue(Utils.isIpAddress("[2605:2700:0:3::4713:93e3]:80"))
+        assertTrue(Utils.isIpAddress("::ffff:192.168.173.22"))
+        assertTrue(Utils.isIpAddress("[::ffff:192.168.173.22]:80"))
+        assertTrue(Utils.isIpAddress("1::"))
+        assertTrue(Utils.isIpAddress("::"))
+        assertTrue(Utils.isIpAddress("::/0"))
+        assertTrue(Utils.isIpAddress("10.24.56.0/24"))
+        assertTrue(Utils.isIpAddress("2001:4321::1"))
+        assertTrue(Utils.isIpAddress("240e:1234:abcd:12::6666"))
+        assertTrue(Utils.isIpAddress("240e:1234:abcd:12::/64"))
+    }
+
+}

V2rayNG/app/src/test/java/com/v2ray/ang/ExampleUnitTest.java

@@ -1,15 +0,0 @@
-package com.v2ray.ang;
-
-import static org.junit.Assert.assertEquals;
-
-import org.junit.Test;
-
-/**
- * To work on unit tests, switch the Test Artifact in the Build Variants view.
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() throws Exception {
-        assertEquals(4, 2 + 2);
-    }
-}

V2rayNG/app/src/test/kotlin/com/v2ray/ang/ExampleUnitTest.kt

@@ -1,138 +0,0 @@
-import com.v2ray.ang.util.Utils
-import org.junit.Assert.assertEquals
-import org.junit.Assert.assertFalse
-import org.junit.Assert.assertTrue
-import org.junit.Test
-
-class UtilTest {
-
-    @Test
-    fun test_parseInt() {
-        assertEquals(Utils.parseInt("1234"), 1234)
-    }
-
-    @Test
-    fun test_isIpAddress() {
-        assertFalse(Utils.isIpAddress("114.113.112.266"))
-        assertFalse(Utils.isIpAddress("666.666.666.666"))
-        assertFalse(Utils.isIpAddress("256.0.0.0"))
-        assertFalse(Utils.isIpAddress("::ffff:127.0.0.0.1"))
-        assertFalse(Utils.isIpAddress("baidu.com"))
-        assertFalse(Utils.isIpAddress(""))
-
-        assertTrue(Utils.isIpAddress("127.0.0.1"))
-        assertTrue(Utils.isIpAddress("127.0.0.1:80"))
-        assertTrue(Utils.isIpAddress("0.0.0.0/0"))
-        assertTrue(Utils.isIpAddress("::1"))
-        assertTrue(Utils.isIpAddress("[::1]:80"))
-        assertTrue(Utils.isIpAddress("2605:2700:0:3::4713:93e3"))
-        assertTrue(Utils.isIpAddress("[2605:2700:0:3::4713:93e3]:80"))
-        assertTrue(Utils.isIpAddress("::ffff:192.168.173.22"))
-        assertTrue(Utils.isIpAddress("[::ffff:192.168.173.22]:80"))
-        assertTrue(Utils.isIpAddress("1::"))
-        assertTrue(Utils.isIpAddress("::"))
-        assertTrue(Utils.isIpAddress("::/0"))
-        assertTrue(Utils.isIpAddress("10.24.56.0/24"))
-        assertTrue(Utils.isIpAddress("2001:4321::1"))
-        assertTrue(Utils.isIpAddress("240e:1234:abcd:12::6666"))
-        assertTrue(Utils.isIpAddress("240e:1234:abcd:12::/64"))
-    }
-
-//    @Test
-//    fun test_fmtHysteria2Parse() {
-//        val url2 = "hysteria2://password2@127.0.0.1:443?obfs=salamander&obfs-password=obfs2&insecure=0#Hy22"
-//        var result2 = Hysteria2Fmt.parse(url2)
-//        assertTrue(result2 != null)
-//        assertTrue(result2?.server == "127.0.0.1")
-//        assertTrue(result2?.obfsPassword == "obfs2")
-//        assertTrue(result2?.security == "tls")
-//
-//        var url22 = Hysteria2Fmt.toUri(result2!!)
-//        assertTrue(url22.contains("obfs2"))
-//    }
-//
-//    @Test
-//    fun test_fmtSsParse() {
-//        val url2 = "ss://aa:bb@127.0.0.1:10000#sss"
-//        var result2 = ShadowsocksFmt.parse(url2)
-//        assertTrue(result2 != null)
-//        assertTrue(result2?.server == "127.0.0.1")
-//
-//        var result = ShadowsocksFmt.parse("ss://YWVzLTI1Ni1nY206cGFzc3dvcmQy@127.0.0.1:10000#sss")
-//        assertTrue(result != null)
-//        assertTrue(result?.server == "127.0.0.1")
-//    }
-//
-//    @Test
-//    fun test_fmtSocksParse() {
-//        val url2 = "socks://Og%3D%3D@127.0.0.1:1000#socks2"
-//        var result2 = SocksFmt.parse(url2)
-//        assertTrue(result2 != null)
-//        assertTrue(result2?.server == "127.0.0.1")
-//        var url22 = SocksFmt.toUri(result2!!)
-//        assertTrue(url2.contains(url22))
-//
-//        var result = SocksFmt.parse("socks://dXNlcjpwYXNz@127.0.0.1:1000#socks2")
-//        assertTrue(result != null)
-//        assertTrue(result?.server == "127.0.0.1")
-//    }
-//
-//    @Test
-//    fun test_fmtTrojanParse() {
-//        val url2 = "trojan://password2@127.0.0.1:443?flow=xtls-rprx-vision&security=tls&type=tcp&headerType=none#Trojan"
-//        var result2 = TrojanFmt.parse(url2)
-//        assertTrue(result2 != null)
-//        assertTrue(result2?.server == "127.0.0.1")
-//        assertTrue(result2?.flow == "xtls-rprx-vision")
-//
-//        val url = "trojan://password2@127.0.0.1:443#Trojan"
-//        var result = TrojanFmt.parse(url)
-//        assertTrue(result != null)
-//        assertTrue(result?.server == "127.0.0.1")
-//        assertTrue(result?.security == "tls")
-//
-//
-//    }
-//
-//    @Test
-//    fun test_fmtVlessParse() {
-//        val url2 =
-//            "vless://cae1dc39-0547-4b1d-9e7a-01132c7ae3a7@127.0.0.1:443?encryption=none&flow=xtls-rprx-vision&security=reality&sni=sni2&fp=chrome&pbk=publickkey&sid=123456&spx=%2F&type=ws&host=host2&path=path2#VLESS"
-//        var result2 = VlessFmt.parse(url2)
-//        assertTrue(result2 != null)
-//        assertTrue(result2?.server == "127.0.0.1")
-//        assertTrue(result2?.flow == "xtls-rprx-vision")
-//
-//
-//        var url22 = VlessFmt.toUri(result2!!)
-//        assertTrue(url22.contains("xtls-rprx-vision"))
-//
-//    }
-//
-//    @Test
-//    fun test_fmtVmessParse() {
-//        val url2 =
-//            "vmess://ew0KICAidiI6ICIyIiwNCiAgInBzIjogIlZtZXNzIiwNCiAgImFkZCI6ICIxMjcuMC4wLjEiLA0KICAicG9ydCI6ICIxMDAwMCIsDQogICJpZCI6ICJlYmI5MWM5OS1lZjA3LTRmZjUtOThhYS01OTAyYWI0ZDAyODYiLA0KICAiYWlkIjogIjEyMyIsDQogICJzY3kiOiAiYWVzLTEyOC1nY20iLA0KICAibmV0IjogInRjcCIsDQogICJ0eXBlIjogIm5vbmUiLA0KICAiaG9zdCI6ICJob3N0MiIsDQogICJwYXRoIjogInBhdGgyIiwNCiAgInRscyI6ICIiLA0KICAic25pIjogIiIsDQogICJhbHBuIjogIiINCn0="
-//        var result2 = VmessFmt.parse(url2)
-//        assertTrue(result2 != null)
-//        assertTrue(result2?.server == "127.0.0.1")
-//        assertTrue(result2?.method == "aes-128-gcm")
-//
-//    }
-//
-//
-//    @Test
-//    fun test_fmtWireguardParse() {
-//        val url2 = "wireguard://privatekey2@127.0.0.1:2000?publickey=publickey2&reserved=2%2C2%2C3&address=127.0.0.127&mtu=1250#WGG"
-//        var result2 = WireguardFmt.parse(url2)
-//        assertTrue(result2 != null)
-//        assertTrue(result2?.server == "127.0.0.1")
-//        assertTrue(result2?.publicKey == "publickey2")
-//        assertTrue(result2?.localAddress == "127.0.0.127")
-//
-//
-//        var url22 = WireguardFmt.toUri(result2!!)
-//        assertTrue(url22.contains("publickey2"))
-//    }
-}
-

V2rayNG/build.gradle.kts

@@ -2,5 +2,5 @@
 plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.android.library) apply false
-    alias(libs.plugins.android.kotlin) apply false
-}
+    alias(libs.plugins.kotlin.android) apply false
+}

V2rayNG/gradle.properties

@@ -1,6 +1,24 @@
-kotlin.incremental=true
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. For more details, visit
+# https://developer.android.com/r/tools/gradle-multi-project-decoupled-projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
 android.useAndroidX=true
-android.enableJetifier=true
+# Kotlin code style for this project: "official" or "obsolete":
 kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
 android.nonTransitiveRClass=true
-org.gradle.jvmargs=-Xmx2048m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+kotlin.incremental=true

V2rayNG/gradle/libs.versions.toml

@@ -1,71 +1,63 @@
 [versions]
-activityKtx = "1.9.3"
-appcompat = "1.7.0"
-cardview = "1.0.0"
-constraintlayout = "2.2.0"
-core = "3.5.3"
-editorkit = "2.9.0"
-flexbox = "3.0.0"
-fragmentKtx = "1.8.5"
-gson = "2.11.0"
+agp = "8.7.2"
+kotlin = "2.0.21"
+coreKtx = "1.15.0"
 junit = "4.13.2"
-kotlinReflect = "2.0.21"
-kotlinxCoroutinesCore = "1.9.0"
-legacySupportV4 = "1.0.0"
-lifecycleViewmodelKtx = "2.8.7"
+junitVersion = "1.2.1"
+espressoCore = "3.6.1"
+appcompat = "1.7.0"
 material = "1.12.0"
+activity = "1.9.3"
+constraintlayout = "2.2.0"
 mmkvStatic = "1.3.9"
-multidex = "2.0.1"
-preferenceKtx = "1.2.1"
-quickieBundled = "1.10.0"
-recyclerview = "1.3.2"
-rxandroid = "3.0.2"
+gson = "2.11.0"
 rxjava = "3.1.9"
+rxandroid = "3.0.2"
 rxpermissions = "0.12"
 toastcompat = "1.1.0"
-viewpager2 = "1.1.0"
-workRuntimeKtx = "2.9.1"
-androidGradlePlugin = "8.7.2"
-androidKotlinPlugin = "2.0.21"
+editorkit = "2.9.0"
+quickieBundled = "1.10.0"
+core = "3.5.3"
+workRuntimeKtx = "2.10.0"
+lifecycleViewmodelKtx = "2.8.7"
+multidex = "2.0.1"
 mockitoMockitoInline = "4.0.0"
-
+flexbox = "3.0.0"
+preferenceKtx = "1.2.1"
+recyclerview = "1.3.2"
 [libraries]
-activity-ktx = { module = "androidx.activity:activity-ktx", version.ref = "activityKtx" }
-appcompat = { module = "androidx.appcompat:appcompat", version.ref = "appcompat" }
-cardview = { module = "androidx.cardview:cardview", version.ref = "cardview" }
-constraintlayout = { module = "androidx.constraintlayout:constraintlayout", version.ref = "constraintlayout" }
-core = { module = "com.google.zxing:core", version.ref = "core" }
-editorkit = { module = "com.blacksquircle.ui:editorkit", version.ref = "editorkit" }
-flexbox = { module = "com.google.android.flexbox:flexbox", version.ref = "flexbox" }
-fragment-ktx = { module = "androidx.fragment:fragment-ktx", version.ref = "fragmentKtx" }
-gson = { module = "com.google.code.gson:gson", version.ref = "gson" }
-junit = { module = "junit:junit", version.ref = "junit" }
-kotlin-reflect = { module = "org.jetbrains.kotlin:kotlin-reflect", version.ref = "kotlinReflect" }
-kotlinx-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "kotlinxCoroutinesCore" }
-kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kotlinxCoroutinesCore" }
-language-base = { module = "com.blacksquircle.ui:language-base", version.ref = "editorkit" }
-language-json = { module = "com.blacksquircle.ui:language-json", version.ref = "editorkit" }
-legacy-support-v4 = { module = "androidx.legacy:legacy-support-v4", version.ref = "legacySupportV4" }
-lifecycle-livedata-ktx = { module = "androidx.lifecycle:lifecycle-livedata-ktx", version.ref = "lifecycleViewmodelKtx" }
-lifecycle-runtime-ktx = { module = "androidx.lifecycle:lifecycle-runtime-ktx", version.ref = "lifecycleViewmodelKtx" }
-lifecycle-viewmodel-ktx = { module = "androidx.lifecycle:lifecycle-viewmodel-ktx", version.ref = "lifecycleViewmodelKtx" }
-material = { module = "com.google.android.material:material", version.ref = "material" }
+androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
+androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
+androidx-appcompat = { group = "androidx.appcompat", name = "appcompat", version.ref = "appcompat" }
+material = { group = "com.google.android.material", name = "material", version.ref = "material" }
+androidx-activity = { group = "androidx.activity", name = "activity", version.ref = "activity" }
+androidx-constraintlayout = { group = "androidx.constraintlayout", name = "constraintlayout", version.ref = "constraintlayout" }
 mmkv-static = { module = "com.tencent:mmkv-static", version.ref = "mmkvStatic" }
-multidex = { module = "androidx.multidex:multidex", version.ref = "multidex" }
-quickie-bundled = { module = "io.github.g00fy2.quickie:quickie-bundled", version.ref = "quickieBundled" }
-recyclerview = { module = "androidx.recyclerview:recyclerview", version.ref = "recyclerview" }
-preference-ktx = { module = "androidx.preference:preference-ktx", version.ref = "preferenceKtx" }
-rxandroid = { module = "io.reactivex.rxjava3:rxandroid", version.ref = "rxandroid" }
+gson = { module = "com.google.code.gson:gson", version.ref = "gson" }
 rxjava = { module = "io.reactivex.rxjava3:rxjava", version.ref = "rxjava" }
+rxandroid = { module = "io.reactivex.rxjava3:rxandroid", version.ref = "rxandroid" }
 rxpermissions = { module = "com.github.tbruyelle:rxpermissions", version.ref = "rxpermissions" }
 toastcompat = { module = "me.drakeet.support:toastcompat", version.ref = "toastcompat" }
-viewpager2 = { module = "androidx.viewpager2:viewpager2", version.ref = "viewpager2" }
-work-multiprocess = { module = "androidx.work:work-multiprocess", version.ref = "workRuntimeKtx" }
+editorkit = { module = "com.blacksquircle.ui:editorkit", version.ref = "editorkit" }
+language-base = { module = "com.blacksquircle.ui:language-base", version.ref = "editorkit" }
+language-json = { module = "com.blacksquircle.ui:language-json", version.ref = "editorkit" }
+quickie-bundled = { module = "io.github.g00fy2.quickie:quickie-bundled", version.ref = "quickieBundled" }
+core = { module = "com.google.zxing:core", version.ref = "core" }
 work-runtime-ktx = { module = "androidx.work:work-runtime-ktx", version.ref = "workRuntimeKtx" }
-mockito-kotlin = { module = "org.mockito.kotlin:mockito-kotlin", version.ref = "mockitoMockitoInline" }
+work-multiprocess = { module = "androidx.work:work-multiprocess", version.ref = "workRuntimeKtx" }
+lifecycle-viewmodel-ktx = { module = "androidx.lifecycle:lifecycle-viewmodel-ktx", version.ref = "lifecycleViewmodelKtx" }
+lifecycle-livedata-ktx = { module = "androidx.lifecycle:lifecycle-livedata-ktx", version.ref = "lifecycleViewmodelKtx" }
+lifecycle-runtime-ktx = { module = "androidx.lifecycle:lifecycle-runtime-ktx", version.ref = "lifecycleViewmodelKtx" }
+multidex = { module = "androidx.multidex:multidex", version.ref = "multidex" }
 org-mockito-mockito-inline = { module = "org.mockito:mockito-inline", version.ref = "mockitoMockitoInline" }
-
+mockito-kotlin = { module = "org.mockito.kotlin:mockito-kotlin", version.ref = "mockitoMockitoInline" }
+flexbox = { module = "com.google.android.flexbox:flexbox", version.ref = "flexbox" }
+recyclerview = { module = "androidx.recyclerview:recyclerview", version.ref = "recyclerview" }
+preference-ktx = { module = "androidx.preference:preference-ktx", version.ref = "preferenceKtx" }
 [plugins]
-android-application = { id = "com.android.application", version.ref = "androidGradlePlugin" }
-android-library = { id = "com.android.library", version.ref = "androidGradlePlugin" }
-android-kotlin = { id = "org.jetbrains.kotlin.android", version.ref = "androidKotlinPlugin" }
+android-application = { id = "com.android.application", version.ref = "agp" }
+kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+android-library = { id = "com.android.library", version.ref = "agp" }
+