问题描述

由于下载了最新的 SDK 并安装了 Android Studio，我的项目构建失败.我收到以下消息:

Since downloading the latest SDK and installing Android Studio, my project fails to build. I get the following message:

Error:Gradle: Execution failed for task ':SampleProject:processProdDebugManifest'.
> Manifest merger failed : uses-sdk:minSdkVersion 14 cannot be smaller than version L declared in library com.android.support:support-v4:21.0.0-rc1

推荐答案

注意:这已更新以反映 API 21 Lollipop 的发布.请务必下载最新的 SDK.

在我的一个模块中，我在 build.gradle 中有以下内容:

In one of my modules I had the following in build.gradle:

dependencies {
    compile 'com.android.support:support-v4:+'
}

改成

dependencies {
    // do not use dynamic updating.
    compile 'com.android.support:support-v4:21.0.0' 
}

解决了这个问题.

确保您没有在您的任何地方都包含 com.android.support:support-v4:+ 或任何其他支持库(v7、v13、appcompat 等)项目.

Make sure you're not doing a general inclusion of com.android.support:support-v4:+ or any other support libraries (v7, v13, appcompat, etc), anywhere in your project.

我认为问题是 v4:+ 选择了 release Candidate (21.0.0-rc1) 最新的 L 版本，这显然需要 L SDK.

I'd assume the problem is v4:+ picks up the release candidate (21.0.0-rc1) latest L release which obviously requires the L SDK.

如果您需要使用新视图(CardView、RecyclerView 和 Palette)，以下应该可以工作:

If you need to use the new views (CardView, RecyclerView, and Palette), the following should work:

compile "com.android.support:cardview-v7:21.0.0"
compile "com.android.support:recyclerview-v7:21.0.0"
compile "com.android.support:palette-v7:21.0.0"

(归功于/androiddev 上的 EddieRingle - http://www.reddit.com/r/androiddev/comments/297xli/howto_use_the_v21_support_libs_on_older_versions/)

(Credit to EddieRingle on /androiddev - http://www.reddit.com/r/androiddev/comments/297xli/howto_use_the_v21_support_libs_on_older_versions/)

另一个编辑

请务必在下面查看 @murtuza 关于 appcompat-v7 的回答，如果有帮助，请点赞！

Be sure to see @murtuza's answer below regarding appcompat-v7 and upvote if it helps!

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