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android.support.v4.app.FragmentActivity无法解析

[英]android.support.v4.app.FragmentActivity can not be resolved

原文 2013-12-16 18:31:05 8 1 android

I'm trying to open the mapdemo sample project included in the google play services. 我正在尝试打开Google Play服务中包含的mapdemo示例项目。 However, it is giving me errors in every src file all boiling down to import android.support.v4.app.FragmentActivity; 但是，它给我所有src文件中的错误，所有错误都在逐步导入android.support.v4.app.FragmentActivity； can not be resolved. 无法解决。 How do I fix this? 我该如何解决？ Did I skip a step? 我跳过了一步吗？

1 个解决方案

You must add the support library to your project. 您必须将支持库添加到您的项目。

Right Click in your project -> Android Tools -> Add support library 右键单击您的项目-> Android工具->添加支持库

android.support.v4.app.FragmentActivity扩展了什么？ - What does android.support.v4.app.FragmentActivity extend?

android.support.v4.app.FragmentActivity缺少操作栏 - android.support.v4.app.FragmentActivity missing action bar

无法在ViewModelProviders中解析android.support.v4.app.FragmentActivity的方法 - Cannot resolve method of android.support.v4.app.FragmentActivity in ViewModelProviders

无法将ContraceptiveFragment中的ContraceptiveFragment（）应用于（android.support.v4.app.FragmentActivity） - ContraceptiveFragment( ) in ContraceptiveFragment cannot be applied to (android.support.v4.app.FragmentActivity)

“TAG”在“android.support.v4.app.FragmentActivity”中有私有访问权限 - 'TAG' has private access in 'android.support.v4.app.FragmentActivity'

“无法找到类'android.support.v4.app.FragmentActivity'”错误 - “Could not find class 'android.support.v4.app.FragmentActivity'” Error

无法解析构造函数'GridLayoutManager（android.support.v4.app.FragmentActivity） - Cannot resolve constructor 'GridLayoutManager(android.support.v4.app.FragmentActivity)

无法将clcik上的android.app.Application强制转换为android.support.v4.app.FragmentActivity - android.app.Application cannot be cast to android.support.v4.app.FragmentActivity on clcik

谷歌地图v2，缺少'android.support.v4.app.FragmentActivity' - Google maps v2, missing 'android.support.v4.app.FragmentActivity'

被android.support.v4.app.FragmentActivity和android.app.FragmentTransaction混淆 - Confused by android.support.v4.app.FragmentActivity and android.app.FragmentTransaction

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相关问题 android.support.v4.app.FragmentActivity扩展了什么？ - What does android.support.v4.app.FragmentActivity extend? android.support.v4.app.FragmentActivity缺少操作栏 - android.support.v4.app.FragmentActivity missing action bar 无法在ViewModelProviders中解析android.support.v4.app.FragmentActivity的方法 - Cannot resolve method of android.support.v4.app.FragmentActivity in ViewModelProviders 无法将ContraceptiveFragment中的ContraceptiveFragment（）应用于（android.support.v4.app.FragmentActivity） - ContraceptiveFragment( ) in ContraceptiveFragment cannot be applied to (android.support.v4.app.FragmentActivity) “TAG”在“android.support.v4.app.FragmentActivity”中有私有访问权限 - 'TAG' has private access in 'android.support.v4.app.FragmentActivity' “无法找到类'android.support.v4.app.FragmentActivity'”错误 - “Could not find class 'android.support.v4.app.FragmentActivity'” Error 无法解析构造函数'GridLayoutManager（android.support.v4.app.FragmentActivity） - Cannot resolve constructor 'GridLayoutManager(android.support.v4.app.FragmentActivity) 无法将clcik上的android.app.Application强制转换为android.support.v4.app.FragmentActivity - android.app.Application cannot be cast to android.support.v4.app.FragmentActivity on clcik 谷歌地图v2，缺少'android.support.v4.app.FragmentActivity' - Google maps v2, missing 'android.support.v4.app.FragmentActivity' 被android.support.v4.app.FragmentActivity和android.app.FragmentTransaction混淆 - Confused by android.support.v4.app.FragmentActivity and android.app.FragmentTransaction

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