android studio 报错Failed to save settings的解决方法

1.先Enable Android Support,可以在file->setting->plugin设置.但新版的可能没有这个设置.

2.尝试删除C:UsersAdministrator下面的.AndroidStudio/config, .AndroidStudio/system and .AndroidStudio/plugins ，一定要先备份.重启试试.

3.按如下设置： File > Invalidate caches/restart > Invalidate and Restart，重启android studio,有警告则点击：Enable Android Support.

4.尝试删除项目目录下的 .idea/workspace.xml ，记得先备份.重启android studio再Enable Android Support.

5.尝试更新： Android Studio ，从菜单操作：Help>CheckForUpdates>Update.

1. 尝试增加如下参数大小： -Xmx and -XX:MaxPermSize values in the studio.vmoptions file.

7.如果你使用的是Linux系统，比如Ubantu20.0.4，可能是磁盘空间不够了，删除掉一些不需要的文件，释放空间，或者清空回收站，重启android studio即可。本人亲试有效。

8.尝试如下步骤：

1. Close Android Studio
2. Remove .idea/workspace.xml
3. Restart android studio (your project with the issue is opened automatically)
4. A new .idea/workspace.xml is created
5. Sync project with gradle files
6. Open File -> Settings – > Plugins -> Enable
7. “Android Support” Plugin.
   1) Android NDK support (I had to disable and re-enable it)
   2) Restart Android Studio

9.尝试替换 build.gradle 文件，如下：

 buildscript {
    ...
    repositories {
        mavenLocal()
        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
        maven { url "https://jitpack.io" }
        mavenCentral() // jcenter() works as well because it pulls from Maven Central
        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
        jcenter()
    }
    ...
    }
 
    allprojects {
    repositories {
        mavenLocal()
        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
        maven { url "https://jitpack.io" }
        mavenCentral() // jcenter() works as well because it pulls from Maven Central
        maven {
            url 'https://maven.google.com/'
            name 'Google'
        }
        jcenter()
    }
}

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