From 38d2280c93f7ead6007cffeabc2f7be142d715cc Mon Sep 17 00:00:00 2001
From: moreoronce <nsy.bati@gmail.com>
Date: Sat, 5 Oct 2024 14:25:31 +0800
Subject: [PATCH] add url input to use user's lobechat mirror

---
 .idea/gradle.xml                              |  1 +
 app/build.gradle.kts                          |  1 +
 app/src/main/AndroidManifest.xml              |  2 +-
 .../java/com/example/lobchat/MainActivity.kt  | 95 ++++++++++++++++---
 app/src/main/res/layout/activity_main.xml     | 26 ++++-
 5 files changed, 106 insertions(+), 19 deletions(-)

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 32522c1..0897082 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 95809cd..b26b192 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -64,6 +64,7 @@ dependencies {
     implementation(libs.androidx.ui.tooling.preview)
     implementation(libs.androidx.material3)
     implementation(libs.androidx.appcompat)
+    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
 
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index a2f806f..01e6f98 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -21,6 +21,6 @@
     <!-- 允许应用访问互联网 -->
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
 </manifest>
diff --git a/app/src/main/java/com/example/lobchat/MainActivity.kt b/app/src/main/java/com/example/lobchat/MainActivity.kt
index 77fe764..cf47975 100644
--- a/app/src/main/java/com/example/lobchat/MainActivity.kt
+++ b/app/src/main/java/com/example/lobchat/MainActivity.kt
@@ -12,31 +12,39 @@ import android.content.pm.PackageManager
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import android.widget.Toast
+import android.widget.EditText
+import android.widget.Button
+import android.view.View
+import androidx.appcompat.app.AlertDialog
+import android.util.Log
+import android.provider.Settings
+
 
 class MainActivity : AppCompatActivity() {
 
     private lateinit var webView: WebView
     private var filePathCallback: ValueCallback<Array<Uri>>? = null
-
-    // 用于替代 startActivityForResult 的新文件选择器启动器
     private lateinit var fileChooserLauncher: ActivityResultLauncher<Intent>
 
+    private lateinit var urlInput: EditText
+    private lateinit var loadUrlButton: Button
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
-        // 检查并请求读取权限
-        if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
-            ActivityCompat.requestPermissions(this, arrayOf(android.Manifest.permission.READ_EXTERNAL_STORAGE), 1)
-        }
+        // 初始化视图组件
+        webView = findViewById(R.id.webview)
+        urlInput = findViewById(R.id.urlInput)
+        loadUrlButton = findViewById(R.id.loadUrlButton)
+
+        // 检查并请求存储权限
+        checkStoragePermission()
 
         // 设置状态栏为透明，使系统自动使用默认的颜色
         window.statusBarColor = resources.getColor(android.R.color.transparent, theme)
 
-        // 初始化 WebView
-        webView = findViewById(R.id.webview)
-
-        // 启用 JavaScript
+        // 初始化 WebView 设置
         val webSettings: WebSettings = webView.settings
         webSettings.javaScriptEnabled = true
         webSettings.domStorageEnabled = true
@@ -72,17 +80,19 @@ class MainActivity : AppCompatActivity() {
                     });
                     """.trimIndent(), null
                 )
+                // 隐藏输入框和按钮
+                urlInput.visibility = View.GONE
+                loadUrlButton.visibility = View.GONE
             }
         }
 
-        // 设置 WebChromeClient 以处理文件选择
+        // 设置 WebChromeClient 以处理文件选择和 JavaScript 错误
         webView.webChromeClient = object : WebChromeClient() {
             override fun onShowFileChooser(
                 webView: WebView?,
                 filePathCallback: ValueCallback<Array<Uri>>,
                 fileChooserParams: FileChooserParams?
             ): Boolean {
-                // 处理新的文件选择请求
                 this@MainActivity.filePathCallback?.onReceiveValue(null)
                 this@MainActivity.filePathCallback = filePathCallback
 
@@ -94,12 +104,54 @@ class MainActivity : AppCompatActivity() {
                 fileChooserLauncher.launch(Intent.createChooser(intent, "Select Picture"))
                 return true
             }
+
+            override fun onConsoleMessage(consoleMessage: ConsoleMessage?): Boolean {
+                Log.e("WebViewConsole", "JavaScript Error: ${consoleMessage?.message()} -- From line ${consoleMessage?.lineNumber()} of ${consoleMessage?.sourceId()}")
+                return true
+            }
         }
 
-        // 加载您的网站
-        webView.loadUrl("https://chat.dolingou.com") // 替换为您的 URL
+        // 点击按钮后加载用户输入的 URL
+        loadUrlButton.setOnClickListener {
+            var url = urlInput.text.toString().trim()
+            if (url.isNotEmpty()) {
+                // 确保 URL 包含 http 或 https
+                if (!url.startsWith("http://") && !url.startsWith("https://")) {
+                    url = "https://$url"
+                }
+
+                // 加载用户输入的 URL
+                webView.loadUrl(url)
+            } else {
+                Toast.makeText(this, "Please enter a valid URL", Toast.LENGTH_SHORT).show()
+            }
+        }
     }
 
+    // 方法：检查存储权限
+    private fun checkStoragePermission() {
+        if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
+            if (ActivityCompat.shouldShowRequestPermissionRationale(this, android.Manifest.permission.READ_EXTERNAL_STORAGE)) {
+                // 显示权限请求解释
+                AlertDialog.Builder(this)
+                    .setTitle("Permission Required")
+                    .setMessage("This app requires access to your storage to select images. Please grant the permission.")
+                    .setPositiveButton("OK") { _, _ ->
+                        ActivityCompat.requestPermissions(this, arrayOf(android.Manifest.permission.READ_EXTERNAL_STORAGE), 1)
+                    }
+                    .setNegativeButton("Cancel") { dialog, _ ->
+                        dialog.dismiss()
+                    }
+                    .create()
+                    .show()
+            } else {
+                // 直接请求权限
+                ActivityCompat.requestPermissions(this, arrayOf(android.Manifest.permission.READ_EXTERNAL_STORAGE), 1)
+            }
+        }
+    }
+
+    // 处理权限请求结果
     override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
         super.onRequestPermissionsResult(requestCode, permissions, grantResults)
         if (requestCode == 1) {
@@ -107,6 +159,21 @@ class MainActivity : AppCompatActivity() {
                 Toast.makeText(this, "Read permission granted", Toast.LENGTH_SHORT).show()
             } else {
                 Toast.makeText(this, "Read permission denied", Toast.LENGTH_SHORT).show()
+                // 引导用户前往设置手动开启权限
+                AlertDialog.Builder(this)
+                    .setTitle("Permission Denied")
+                    .setMessage("Storage permission is required for this app. Please allow it from settings.")
+                    .setPositiveButton("Settings") { _, _ ->
+                        val intent = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
+                        val uri = Uri.fromParts("package", packageName, null)
+                        intent.data = uri
+                        startActivity(intent)
+                    }
+                    .setNegativeButton("Cancel") { dialog, _ ->
+                        dialog.dismiss()
+                    }
+                    .create()
+                    .show()
             }
         }
     }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index c725d70..5d87042 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,11 +1,29 @@
-<?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <EditText
+        android:id="@+id/urlInput"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Enter your server URL"
+        android:inputType="textUri"
+        android:padding="16dp"
+        android:layout_margin="16dp"
+        android:layout_alignParentTop="true"/>
+
+    <Button
+        android:id="@+id/loadUrlButton"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Load URL"
+        android:layout_below="@id/urlInput"
+        android:layout_marginTop="8dp"
+        android:layout_marginStart="16dp"/>
+
     <WebView
         android:id="@+id/webview"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
-
-</RelativeLayout>
\ No newline at end of file
+        android:layout_height="match_parent"
+        android:layout_below="@id/loadUrlButton"/>
+</RelativeLayout>