Android 安装多个 app 同一份代码

apply plugin: ‘com.android.application‘

android {
    compileSdkVersion 24
    buildToolsVersion ‘25.0.0‘
    defaultConfig {
        minSdkVersion 11
        targetSdkVersion 22
        versionCode 80
        versionName "0.0.8"
        vectorDrawables.useSupportLibrary = true
    }
    sourceSets {
        main {
            jniLibs.srcDirs = [‘libs‘]
        }
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile(‘proguard-android.txt‘), ‘proguard-rules.pro‘
        }
    }
 productFlavors { // pro { // resValue ‘string‘, ‘app_name‘, ‘测试版‘ // applicationId ‘com.zhiqi.project‘//"com.smartcity.project" // }
 free { resValue ‘string‘, ‘app_name‘, ‘智慧苏尼特‘ applicationId ‘com.smartcity.sunite‘ } }
}

        <provider
            android:name="android.support.v4.content.FileProvider" android:authorities="${applicationId}"
            android:exported="false"
            android:grantUriPermissions="true">
            <meta-data
                android:name="android.support.FILE_PROVIDER_PATHS"
                android:resource="@xml/filepaths" />
        </provider>