创建并复制AVD时触发空指针异常的问题求助

问题描述 #

创建Android虚拟设备（AVD）后执行复制操作，弹出错误提示：

创建AVD时发生错误。详情请查看idea.log。

日志核心堆栈信息如下：

java.lang.NullPointerException: Cannot invoke "com.android.sdklib.internal.avd.AvdInfo.getId()" because the return value of "com.android.tools.idea.avdmanager.AvdOptionsModel.getCreatedAvd()" is null
at com.android.tools.idea.devicemanager.virtualtab.VirtualDevicePopUpMenuButtonTableCellEditor.lambda$newDuplicateItem$1(VirtualDevicePopUpMenuButtonTableCellEditor.java:141)
at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1972)
at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2313)
at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
at java.desktop/javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262)
at java.desktop/javax.swing.AbstractButton.doClick(AbstractButton.java:374)
at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1028)
at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1072)
at java.desktop/java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:297)
at java.desktop/java.awt.Component.processMouseEvent(Component.java:6656)
at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3385)
at java.desktop/java.awt.Component.processEvent(Component.java:6421)
at java.desktop/java.awt.Container.processEvent(Container.java:2266)
at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:5026)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2324)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4854)
at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4948)
at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4575)
at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4516)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2310)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2804)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4854)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:788)
at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:737)
at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:731)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:97)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:761)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:759)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:758)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:918)
at com.intellij.ide.IdeEventQueue.dispatchMouseEvent(IdeEventQueue.java:840)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:763)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$6(IdeEventQueue.java:450)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:791)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$7(IdeEventQueue.java:449)
at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:113)
at com.intellij.ide.IdeEventQueue.performActivity(IdeEventQueue.java:624)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:447)
at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:881)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:493)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)

已知删除所有现有AVD可解决问题，但以下是更高效的优化方案：

优化解决方案 #

方案1：修复目标AVD的配置文件 #

该错误是因为AVD的配置文件缺失avd.id字段导致的，手动补充即可：

1. 定位AVD存储目录：
   • Windows：C:\Users\<你的用户名>\.android\avd
   • macOS/Linux：~/.android/avd
2. 找到要复制的AVD对应的文件夹，打开其中的config.ini文件
3. 在文件中添加或修改avd.id字段，格式为avd.id=<AVD名称>-数字（例如avd.id=Pixel5-1）
4. 保存文件后重启Android Studio，再尝试复制操作

方案2：清理AVD缓存 #

缓存损坏也可能导致该异常，清理后重试：

1. 关闭Android Studio
2. 删除AVD缓存目录：
   • Windows：C:\Users\<你的用户名>\.android\cache
   • macOS/Linux：~/.android/cache
3. 重新打开Android Studio，刷新AVD列表后再执行复制

方案3：手动复制AVD配置 #

如果上述方法无效，可直接手动复制配置来创建新AVD：

1. 复制目标AVD的整个文件夹，并重命名（例如原文件夹Pixel5.avd复制为Pixel5_Copy.avd）
2. 进入复制后的文件夹，修改config.ini中的关键字段：
   • avd.name：设置为新的AVD名称
   • avd.id：设置为唯一的新ID（例如avd.id=Pixel5_Copy-1）
   • 可选：调整disk.dataPartition.size等参数
3. 打开Android Studio的AVD Manager，点击Refresh按钮，新AVD会自动出现在列表中

内容的提问来源于stack exchange，提问作者Emma Bell