feat: add secure screen setting

Author: paulcoding810

app/src/main/java/com/paulcoding/hviewer/MainActivity.kt

@@ -17,8 +17,10 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
+import com.paulcoding.hviewer.extensions.setSecureScreen
 import com.paulcoding.hviewer.helper.makeToast
 import com.paulcoding.hviewer.network.Github
+import com.paulcoding.hviewer.preference.Preferences
 import com.paulcoding.hviewer.ui.component.HLoading
 import com.paulcoding.hviewer.ui.component.ToastExit
 import com.paulcoding.hviewer.ui.page.AppEntry
@@ -29,6 +31,8 @@ class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
+        window.setSecureScreen(Preferences.secureScreen)
+
         enableEdgeToEdge()
         setContent {
             Content()

app/src/main/java/com/paulcoding/hviewer/extensions/Window.kt

@@ -0,0 +1,12 @@
+package com.paulcoding.hviewer.extensions
+
+import android.view.Window
+import android.view.WindowManager
+
+fun Window.setSecureScreen(enabled: Boolean) {
+    if (enabled) {
+        setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE)
+    } else {
+        clearFlags(WindowManager.LayoutParams.FLAG_SECURE)
+    }
+}

app/src/main/java/com/paulcoding/hviewer/preference/MMKV.kt

@@ -4,6 +4,7 @@ import com.tencent.mmkv.MMKV
 
 
 const val REMOTE_URL = "remote_url"
+const val SECURE_SCREEN = "secure_screen"
 
 object Preferences {
     private val kv: MMKV = MMKV.defaultMMKV()
@@ -13,4 +14,10 @@ object Preferences {
     fun setRemote(url: String) {
         kv.putString(REMOTE_URL, url)
     }
+
+    var secureScreen: Boolean
+        get() = kv.getBoolean(SECURE_SCREEN, true)
+        set(value) {
+            kv.putBoolean(SECURE_SCREEN, value)
+        }
 }

app/src/main/java/com/paulcoding/hviewer/ui/page/settings/SettingsPage.kt

@@ -15,6 +15,7 @@ import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Checkbox
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
@@ -35,13 +36,17 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.style.TextDecoration
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
+import com.paulcoding.hviewer.MainActivity
+import com.paulcoding.hviewer.extensions.setSecureScreen
 import com.paulcoding.hviewer.network.Github
+import com.paulcoding.hviewer.preference.Preferences
 import com.paulcoding.hviewer.ui.component.HBackIcon
 import com.paulcoding.hviewer.ui.icon.EditIcon
 
@@ -51,6 +56,8 @@ fun SettingsPage(goBack: () -> Boolean) {
     val githubState by Github.stateFlow.collectAsState()
     val prevSiteConfigs = remember { githubState.siteConfigs }
     var modalVisible by remember { mutableStateOf(false) }
+    var secureScreen by remember { mutableStateOf(Preferences.secureScreen) }
+    val window = (LocalContext.current as MainActivity).window
 
     LaunchedEffect(githubState.siteConfigs) {
         if (prevSiteConfigs == null && githubState.siteConfigs != null) {
@@ -69,7 +76,8 @@ fun SettingsPage(goBack: () -> Boolean) {
                     .padding(horizontal = 16.dp)
                     .verticalScroll(
                         rememberScrollState()
-                    )
+                    ),
+                verticalArrangement = Arrangement.spacedBy(16.dp)
             ) {
                 Row(
                     verticalAlignment = Alignment.CenterVertically,
@@ -84,6 +92,18 @@ fun SettingsPage(goBack: () -> Boolean) {
                     githubState.remoteUrl.ifEmpty { "https://github.com/{OWNER}/{REPO}/" },
                     textDecoration = TextDecoration.Underline
                 )
+
+                Row(
+                    verticalAlignment = Alignment.CenterVertically,
+                    horizontalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
+                    Text("Enable secure screen", modifier = Modifier.weight(1f))
+                    Checkbox(checked = secureScreen, onCheckedChange = {
+                        secureScreen = it
+                        Preferences.secureScreen = it
+                        window.setSecureScreen(it)
+                    })
+                }
             }
         }