问将.java文件作为java源文件包含在Android中，以删除带有"J“的红色圆圈

EN

apply plugin: 'android'
apply plugin: 'android-apt'

android {
    compileSdkVersion 19
    buildToolsVersion "19.0.3"


    sourceSets {
        main {
            manifest.srcFile 'AndroidManifest.xml'
            java.srcDirs = ['src']
            resources.srcDirs = ['src']
            aidl.srcDirs = ['src']
            res.srcDirs = ['res']
            assets.srcDirs = ['assets']
        }
    }

    defaultConfig {
        minSdkVersion 14
        targetSdkVersion 19
        versionCode 1
        versionName "1.0"
    }
    buildTypes {
        release {
            runProguard false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
        }
    }
    lintOptions {
        abortOnError false
    }
}

def AAVersion = '3.0.1'
dependencies {
   ......
}

apt {
    arguments {
     ....
    }
}