feat: add android platform channel and permissions

android/app/build.gradle.kts

@@ -11,6 +11,7 @@ android {
     ndkVersion = flutter.ndkVersion
 
     compileOptions {
+        isCoreLibraryDesugaringEnabled = true
         sourceCompatibility = JavaVersion.VERSION_17
         targetCompatibility = JavaVersion.VERSION_17
     }
@@ -42,3 +43,7 @@ android {
 flutter {
     source = "../.."
 }
+
+dependencies {
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.4")
+}

android/app/src/main/AndroidManifest.xml

@@ -1,9 +1,29 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
     <uses-permission android:name="android.permission.INTERNET"/>
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <uses-permission android:name="android.permission.VIBRATE"/>
+    <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES"
+        tools:ignore="QueryAllPackagesPermission"/>
+
     <application
-        android:label="update_forge_companion"
+        android:label="UpdateForge"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/ic_launcher"
+        android:requestLegacyExternalStorage="true">
+
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="${applicationId}.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/file_paths"/>
+        </provider>
+
         <activity
             android:name=".MainActivity"
             android:exported="true"
@@ -13,10 +33,6 @@
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">
-            <!-- Specifies an Android theme to apply to this Activity as soon as
-                 the Android process has started. This theme is visible to the user
-                 while the Flutter UI initializes. After that, this theme continues
-                 to determine the Window background behind the Flutter UI. -->
             <meta-data
               android:name="io.flutter.embedding.android.NormalTheme"
               android:resource="@style/NormalTheme"
@@ -26,21 +42,13 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
-        <!-- Don't delete the meta-data below.
+
-             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <receiver
+            android:name="androidx.work.impl.background.systemalarm.SystemAlarmReceiver"
+            android:exported="false"/>
+
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
     </application>
-    <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility and
-         https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
-
-         In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
-    <queries>
-        <intent>
-            <action android:name="android.intent.action.PROCESS_TEXT"/>
-            <data android:mimeType="text/plain"/>
-        </intent>
-    </queries>
 </manifest>

android/app/src/main/kotlin/xyz/nuark/update_forge_companion/MainActivity.kt

@@ -1,5 +1,100 @@
 package xyz.nuark.update_forge_companion
 
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.net.Uri
+import android.os.Build
+import androidx.core.content.FileProvider
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodCall
+import io.flutter.plugin.common.MethodChannel
+import java.io.File
 
-class MainActivity : FlutterActivity()
+class MainActivity : FlutterActivity() {
+    private val CHANNEL = "xyz.nuark.update_forge_companion/device"
+
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+
+        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL)
+            .setMethodCallHandler { call, result -> handleMethod(call, result) }
+    }
+
+    private fun handleMethod(call: MethodCall, result: MethodChannel.Result) {
+        when (call.method) {
+            "getInstalledVersion" -> {
+                val packageName = call.argument<String>("packageName")
+                if (packageName == null) {
+                    result.success(null)
+                    return
+                }
+                try {
+                    val pInfo = packageManager.getPackageInfo(packageName, 0)
+                    result.success(pInfo.versionName)
+                } catch (e: PackageManager.NameNotFoundException) {
+                    result.success(null)
+                }
+            }
+            "installApk" -> {
+                val filePath = call.argument<String>("filePath")
+                if (filePath == null) {
+                    result.success(false)
+                    return
+                }
+                installApk(filePath, result)
+            }
+            "openApp" -> {
+                val packageName = call.argument<String>("packageName")
+                if (packageName == null) {
+                    result.success(false)
+                    return
+                }
+                try {
+                    val intent = packageManager.getLaunchIntentForPackage(packageName)
+                    if (intent != null) {
+                        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                        startActivity(intent)
+                        result.success(true)
+                    } else {
+                        result.success(false)
+                    }
+                } catch (e: Exception) {
+                    result.success(false)
+                }
+            }
+            else -> result.notImplemented()
+        }
+    }
+
+    private fun installApk(filePath: String, result: MethodChannel.Result) {
+        try {
+            val file = File(filePath)
+            if (!file.exists()) {
+                result.success(false)
+                return
+            }
+
+            val uri: Uri = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                FileProvider.getUriForFile(
+                    this,
+                    "${packageName}.fileprovider",
+                    file
+                )
+            } else {
+                Uri.fromFile(file)
+            }
+
+            val intent = Intent(Intent.ACTION_VIEW).apply {
+                setDataAndType(uri, "application/vnd.android.package-archive")
+                addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            }
+
+            startActivity(intent)
+            result.success(true)
+        } catch (e: Exception) {
+            result.success(false)
+        }
+    }
+}

android/app/src/main/res/values/colors.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#FF0D0E11</color>
+</resources>

android/app/src/main/res/xml/file_paths.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <cache-path name="cache" path="/"/>
+    <files-path name="files" path="/"/>
+    <external-cache-path name="external_cache" path="/"/>
+</paths>