feat(browser): 添加全屏功能- 在 WebViewActivity 中实现全屏切换功能 (#4404)

- 在菜单中添加全屏选项
- 更新多语言字符串文件，添加全屏相关翻译

Co-authored-by: SunQAQ <sunqi87c6@gmail.com>

app/src/main/java/io/legado/app/ui/browser/WebViewActivity.kt

@@ -4,10 +4,13 @@ import android.annotation.SuppressLint
 import android.content.pm.ActivityInfo
 import android.net.Uri
 import android.net.http.SslError
+import android.os.Build
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
+import android.view.WindowInsets
+import android.view.WindowInsetsController
 import android.webkit.*
 import androidx.activity.addCallback
 import androidx.activity.viewModels
@@ -89,10 +92,45 @@ class WebViewActivity : VMBaseActivity<ActivityWebViewBinding, WebViewModel>() {
                     finish()
                 }
             }
+            R.id.menu_full_screen -> toggleFullScreen(item)
         }
         return super.onCompatOptionsItemSelected(item)
     }
 
+    private var isFullScreen = false
+
+    //实现starBrowser调起页面全屏
+    private fun toggleFullScreen(item: MenuItem) {
+        isFullScreen = !isFullScreen
+        item.title = if (isFullScreen) "Exit full screen" else "Full screen"
+
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
+            // For API 30 and above
+            val windowInsetsController = window.insetsController
+            windowInsetsController?.let {
+                if (isFullScreen) {
+                    it.systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+                    it.hide(WindowInsets.Type.systemBars())
+                    supportActionBar?.hide()
+                } else {
+                    it.show(WindowInsets.Type.systemBars())
+                    supportActionBar?.show()
+                }
+            }
+        } else {
+            // For older APIs
+            @Suppress("DEPRECATION")
+            window.decorView.systemUiVisibility = if (isFullScreen) {
+                (View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
+                        or View.SYSTEM_UI_FLAG_FULLSCREEN
+                        or View.SYSTEM_UI_FLAG_HIDE_NAVIGATION)
+            } else {
+                View.SYSTEM_UI_FLAG_VISIBLE
+            }
+            supportActionBar?.let { if (isFullScreen) it.hide() else it.show() }
+        }
+    }
+
     @SuppressLint("JavascriptInterface", "SetJavaScriptEnabled")
     private fun initWebView(url: String, headerMap: HashMap<String, String>) {
         binding.progressBar.fontColor = accentColor

app/src/main/res/menu/web_view.xml

@@ -18,4 +18,9 @@
         android:title="@string/copy_url"
         app:showAsAction="never" />
 
+    <item
+        android:id="@+id/menu_full_screen"
+        android:title="@string/full_screen"
+        app:showAsAction="never" />
+
 </menu>

app/src/main/res/values-es-rES/strings.xml

@@ -909,6 +909,7 @@
     <string name="double_page_horizontal">平板/横屏双页</string>
     <string name="open_in_browser">浏览器打开</string>
     <string name="copy_url">拷贝url</string>
+    <string name="full_screen">全屏</string>
     <string name="open_fun">打开方式</string>
     <string name="use_browser_open">是否使用外部浏览器打开?</string>
     <string name="see">查看</string>

app/src/main/res/values-ja-rJP/strings.xml

@@ -912,6 +912,7 @@
     <string name="double_page_horizontal">平板/横屏双页</string>
     <string name="open_in_browser">浏览器打开</string>
     <string name="copy_url">拷贝url</string>
+    <string name="full_screen">全屏</string>
     <string name="open_fun">打开方式</string>
     <string name="use_browser_open">是否使用外部浏览器打开?</string>
     <string name="see">查看</string>

app/src/main/res/values-pt-rBR/strings.xml

@@ -910,6 +910,7 @@
     <string name="double_page_horizontal">平板/横屏双页</string>
     <string name="open_in_browser">浏览器打开</string>
     <string name="copy_url">拷贝url</string>
+    <string name="full_screen">全屏</string>
     <string name="open_fun">打开方式</string>
     <string name="use_browser_open">是否使用外部浏览器打开?</string>
     <string name="see">查看</string>

app/src/main/res/values-vi/strings.xml

@@ -909,6 +909,7 @@ Còn </string>
     <string name="double_page_horizontal">Trang kép dạng máy tính bảng/ngang</string>
     <string name="open_in_browser">mở trong trình duyệt</string>
     <string name="copy_url">sao chép url</string>
+    <string name="full_screen">Toàn màn hình</string>
     <string name="open_fun">mở chức năng</string>
     <string name="use_browser_open">Mở bằng trình duyệt bên ngoài?</string>
     <string name="see">xem</string>

app/src/main/res/values-zh-rHK/strings.xml

@@ -909,6 +909,7 @@
     <string name="double_page_horizontal">平板/橫屏雙頁</string>
     <string name="open_in_browser">瀏覽器打開</string>
     <string name="copy_url">複製url</string>
+    <string name="full_screen">全屏</string>
     <string name="open_fun">打開方式</string>
     <string name="use_browser_open">是否使用外部瀏覽器打開?</string>
     <string name="see">查看</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -911,6 +911,7 @@
     <string name="double_page_horizontal">平板/橫屏雙頁</string>
     <string name="open_in_browser">瀏覽器打開</string>
     <string name="copy_url">複製url</string>
+    <string name="full_screen">全屏</string>
     <string name="open_fun">打開方式</string>
     <string name="use_browser_open">是否使用外部瀏覽器打開？</string>
     <string name="see">查看</string>

app/src/main/res/values-zh/strings.xml

@@ -914,6 +914,7 @@
     <string name="double_page_horizontal">平板/横屏双页</string>
     <string name="open_in_browser">浏览器打开</string>
     <string name="copy_url">拷贝 URL</string>
+    <string name="full_screen">全屏</string>
     <string name="open_fun">打开方式</string>
     <string name="use_browser_open">是否使用外部浏览器打开？</string>
     <string name="see">查看</string>

app/src/main/res/values/strings.xml

@@ -915,6 +915,7 @@
     <string name="double_page_horizontal">Tablet/Landscape Dual Page</string>
     <string name="open_in_browser">open in browser</string>
     <string name="copy_url">copy url</string>
+    <string name="full_screen">full screen</string>
     <string name="open_fun">open function</string>
     <string name="use_browser_open">Is it opened in an external browser?</string>
     <string name="see">see</string>
@@ -1174,4 +1175,5 @@
     <string name="read_aloud_read_phone_state_permission_rationale">阅读需要读取手机状态实现来电期间暂停朗读功能</string>
     <string name="read_aloud_by_media_button_title">耳机按键启动朗读</string>
     <string name="read_aloud_by_media_button_summary">通过耳机按键来启动朗读</string>
+    <string name="fullscreen" translatable="false">全屏</string>
 </resources>