Merge branch 'hotfix-v5.8.0-511-setting_crash' into 'release'

修复快速进出设置界面可能的闪退问题

See merge request halo/android/assistant-android!244

app/src/main/java/com/halo/assistant/fragment/SettingsFragment.kt

@@ -1,13 +1,17 @@
 package com.halo.assistant.fragment
 
 import android.annotation.SuppressLint
+import android.app.Application
 import android.app.Dialog
+import android.content.Context
 import android.content.Intent
 import android.graphics.Color
 import android.os.Build
 import android.os.Bundle
 import android.provider.Settings
 import android.view.View
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModelProvider
 import com.airbnb.lottie.LottieAnimationView
 import com.gh.common.constant.Config
@@ -51,6 +55,8 @@ class SettingsFragment : NormalFragment() {
     private var loadingDialog: Dialog? = null
     private var mUsageStatus = false
 
+    private val mViewModel: SettingViewModel by lazy { viewModelProvider() }
+
     override fun getLayoutId() = 0
 
     override fun getInflatedLayout() = FragmentSettingBinding.inflate(layoutInflater).apply { mBinding = this }.root
@@ -94,13 +100,12 @@ class SettingsFragment : NormalFragment() {
         //判断隐私政策是否有更新
         mBinding.privacyPolicyItem.redDot.visibility = if (checkPrivacyIsSame()) View.GONE else View.VISIBLE
 
-        runOnIoThread {
-            val cacheSize = getCacheSize()
-            runOnUiThread {
-                mBinding.cacheItem.contentTv.text = cacheSize
-            }
+        mViewModel.cacheSizeLiveData.observe(this) {
+            mBinding.cacheItem.contentTv.text = it
         }
 
+        mViewModel.getCacheSize()
+
         mBinding.personalRecommendItem.switchLottie.setSwitchAnimation(SPUtils.getBoolean(PERSONAL_RECOMMEND_SP_KEY, true))
 
         checkSizeIndex = SPUtils.getInt(FONT_SIZE_SP_KEY, 1)
@@ -377,7 +382,7 @@ class SettingsFragment : NormalFragment() {
                     if (loadingDialog != null) {
                         loadingDialog!!.dismiss()
                     }
-                    mBinding.cacheItem.contentTv.text = getCacheSize()
+                    mViewModel.getCacheSize()
                     Utils.toast(context, "缓存清除成功")
                 }
 
@@ -446,45 +451,6 @@ class SettingsFragment : NormalFragment() {
         return currentMd5 == privacyMd5
     }
 
-    // 获取缓存大小
-    private fun getCacheSize(): String {
-        val ecDir = requireContext().externalCacheDir
-        var cacheLength: Long = getFolderSize(requireContext().cacheDir)
-        if (ecDir != null) {
-            cacheLength += getFolderSize(ecDir)
-        }
-        return long2Size(cacheLength)
-    }
-
-    private fun getFolderSize(folder: File): Long {
-        var size: Long = 0
-        //忽略视频缓存
-        if (folder.name == "video-cache" || folder.name == "exo") return size
-        size += folder.length()
-        if (folder.isDirectory) {
-            val files = folder.listFiles()
-            if (files == null || files.isEmpty()) return size
-            for (file in files) {
-                size += if (file.isDirectory) {
-                    getFolderSize(file)
-                } else {
-                    file.length()
-                }
-            }
-        }
-        return size
-    }
-
-    private fun long2Size(length: Long): String {
-        val m = length / 1024f / 1024f
-        var str = m.toString()
-        val index = str.lastIndexOf(".")
-        if (index != -1 && str.length > index + 3) {
-            str = str.substring(0, index + 3)
-        }
-        return str + "M"
-    }
-
     companion object {
         const val AUTO_INSTALL_SP_KEY = "autoinstall"
         const val CONCERN_GAME_SP_KEY = "concerngame"
@@ -494,4 +460,51 @@ class SettingsFragment : NormalFragment() {
 
         const val INSERT_MOBILE_CODE = 411
     }
+
+    class SettingViewModel(application: Application): AndroidViewModel(application) {
+        val cacheSizeLiveData = MutableLiveData<String>()
+
+        // 获取缓存大小
+        fun getCacheSize() {
+            runOnIoThread {
+                val ecDir = getApplication<Application>().externalCacheDir
+                var cacheLength: Long = getFolderSize(getApplication<Application>().cacheDir)
+                if (ecDir != null) {
+                    cacheLength += getFolderSize(ecDir)
+                }
+                cacheSizeLiveData.postValue(long2Size(cacheLength))
+            }
+        }
+
+        private fun long2Size(length: Long): String {
+            val m = length / 1024f / 1024f
+            var str = m.toString()
+            val index = str.lastIndexOf(".")
+            if (index != -1 && str.length > index + 3) {
+                str = str.substring(0, index + 3)
+            }
+            return str + "M"
+        }
+
+        private fun getFolderSize(folder: File): Long {
+            var size: Long = 0
+            //忽略视频缓存
+            if (folder.name == "video-cache" || folder.name == "exo") return size
+            size += folder.length()
+            if (folder.isDirectory) {
+                val files = folder.listFiles()
+                if (files == null || files.isEmpty()) return size
+                for (file in files) {
+                    size += if (file.isDirectory) {
+                        getFolderSize(file)
+                    } else {
+                        file.length()
+                    }
+                }
+            }
+            return size
+        }
+
+    }
+
 }