Error:Execution failed for task ':app:javaPreCompileDebug' 报错！

最新推荐文章于 2023-07-21 14:21:30 发布

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本文介绍了解决在集成ButterKnife过程中出现的错误的方法。该错误提示涉及到annotation processor配置问题，通过在build.gradle文件中添加特定配置可以解决此问题。

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报错原因：

Error:Execution failed for task ':app:javaPreCompileDebug'.

> Annotation processors must be explicitly declared now. The following dependencies on the compile classpath are found to contain annotation processor. Please add them to the annotationProcessor configuration.
- butterknife-6.1.0.jar (com.jakewharton:butterknife:6.1.0)
Alternatively, set android.defaultConfig.javaCompileOptions.annotationProcessorOptions.includeCompileClasspath = true to continue with previous behavior. Note that this option is deprecated and will be removed in the future.

See https://developer.android.com/r/tools/annotation-processor-error-message.html for more details.

解决方案：这个问题说明你在集成 butterknife 出错了

在你的build.gradle添加如下代码

android {
    compileSdkVersion 26
    defaultConfig {
        applicationId "com.example.administrator.pandechinalive"
        minSdkVersion 16
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
        //添加如下配置就OK了
        javaCompileOptions { annotationProcessorOptions { includeCompileClasspath = true } }
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}