fix(update): 声明 REQUEST_INSTALL_PACKAGES 权限并加固安装流程

- 缺少该权限时部分 ROM 启动系统安装器会被拒绝/闪退
- install() 整体容错：FileProvider URI 失败、ACTION_VIEW 失败均捕获并回退 ACTION_INSTALL_PACKAGE
- 版本升至 1.6.8

app/build.gradle.kts

@@ -16,8 +16,8 @@ android {
         applicationId = "com.rainy.token"
         minSdk = 31
         targetSdk = 35
-        versionCode = 17
+        versionCode = 18
-        versionName = "1.6.7"
+        versionName = "1.6.8"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables {

app/src/main/AndroidManifest.xml

@@ -3,6 +3,7 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
     <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
 

app/src/main/java/com/rainy/token/ui/settings/UpdateViewModel.kt

@@ -80,19 +80,31 @@ class UpdateViewModel @Inject constructor(
     }
 
     fun install(file: File) {
-        if (context.packageManager.canRequestPackageInstalls()) {
+        if (!context.packageManager.canRequestPackageInstalls()) {
+            _uiState.update { it.copy(phase = Phase.NeedInstallPermission) }
+            return
+        }
         _uiState.update { it.copy(phase = Phase.Ready(file)) }
         val authority = context.packageName + ".fileprovider"
-            val uri = FileProvider.getUriForFile(context, authority, file)
+        val uri = try {
-            val intent = Intent(Intent.ACTION_VIEW).apply {
+            FileProvider.getUriForFile(context, authority, file)
+        } catch (e: Exception) {
+            _uiState.update { it.copy(phase = Phase.Error("安装文件无效：" + (e.message ?: "未知错误"))) }
+            return
+        }
+        val actionView = Intent(Intent.ACTION_VIEW).apply {
             setDataAndType(uri, "application/vnd.android.package-archive")
             addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_ACTIVITY_NEW_TASK)
         }
-            runCatching { context.startActivity(intent) }.onFailure { e ->
+        val started = runCatching { context.startActivity(actionView) }
-                _uiState.update { it.copy(phase = Phase.Error(e.message ?: "cannot start installer")) }
+        if (started.isFailure) {
+            val actionInstall = Intent(Intent.ACTION_INSTALL_PACKAGE).apply {
+                setDataAndType(uri, "application/vnd.android.package-archive")
+                addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_ACTIVITY_NEW_TASK)
+            }
+            runCatching { context.startActivity(actionInstall) }.onFailure { e ->
+                _uiState.update { it.copy(phase = Phase.Error(e.message ?: "无法启动安装器")) }
             }
-        } else {
-            _uiState.update { it.copy(phase = Phase.NeedInstallPermission) }
         }
     }
 }