fix: 🐛 修复登录管理页面无法删除'登录缓存'与'所有数据'的bug

app/src/main/java/top/mrxiaom/mirai/aoki/ui/LoginActivity.kt

@@ -35,6 +35,7 @@ import top.mrxiaom.mirai.aoki.U.startActivityForResult
 import top.mrxiaom.mirai.aoki.U.text
 import top.mrxiaom.mirai.aoki.databinding.ActivityLoginBinding
 import top.mrxiaom.mirai.aoki.ui.model.LoginViewModel
+import top.mrxiaom.mirai.aoki.util.FileUtil
 import java.io.File
 import java.net.URL
 import java.util.*
@@ -224,10 +225,11 @@ class LoginActivity : AppCompatActivity() {
                     .setItems(R.array.accounts_operation) { dialog, btn ->
                         when (btn) {
                             0 -> shareAccount(account)
-                            1 -> File(folder, "device.json").delete()
-                            2 -> File(folder, "cache").delete()
+                            1 -> FileUtil.delAllFile(File(folder, "device.json"))
+                            2 -> FileUtil.delAllFile(File(folder, "cache"))
+                            //TODO 并未发现以session开头的文件，故此行代码不做改动
                             3 -> deleteSession(File(folder, "cache"))
-                            4 -> folder.delete()
+                            4 -> FileUtil.delAllFile(folder)
                         }
                         Toast.makeText(this, R.string.accounts_operation_done, Toast.LENGTH_SHORT).show()
                         dialog.dismiss()

app/src/main/java/top/mrxiaom/mirai/aoki/util/FileUtil.java

@@ -0,0 +1,19 @@
+package top.mrxiaom.mirai.aoki.util;
+
+import java.io.File;
+
+public class FileUtil {
+    public static void delAllFile(File file) {
+        if (!file.isDirectory()) {
+            file.delete();
+            return;
+        }
+        for (File list : file.listFiles()) {
+            if (list.isDirectory()) {
+                delAllFile(list);
+            }
+            list.delete();
+        }
+        file.delete();
+    }
+}