Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompa
来源:互联网 发布:淘宝最好的减肥产品 编辑:程序博客网 时间:2024/05/22 01:53
1、Android 混淆
只需在build.gradle(Module:app)中的buildTypes中增加release的编译选项即可,如下:
buildTypes { release { minifyEnabled true proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } }这个proguard-android.txt是sdk中groguard默认的文件,具体地址在:/opt/sdk/tools/proguard/proguard-android.txt
而proguard-rules.pro是AS中专用的proguard配置文件,其实只是后缀名不同,与Eclipse中的proguard-project.txt是一样的,配置规则相同,后面会详细提到。
老版本开启混淆的命令是runProguard,现在统一用minifyEnabled命令了,将其设为true就好了。
2、使用lambda表达示
在使用Android Studio 2.1时,想要使用lambda表达示。根据AS自带的提示需要增加了
ndroid { ……. compileOptions { sourceCompatibility JavaVersion.VERSION_1_8 targetCompatibility JavaVersion.VERSION_1_8 } ……. }
问题:
Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompatibility JavaVersion.VERSION_1_8.
解决:配置Gradle.
在模块特定的 build.gradle 文件中输入以下内容:
android { ……. defaultConfig { jackOptions { enabled true } }}
阅读全文
0 0
- Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompa
- Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompa
- Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompa
- Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompa
- Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompa
- Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompa
- Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompa
- Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompa
- Error:Jack is required to support java 8 language features. Either enable Jack or remove...
- Android--Error:Jack is required to support java 8 language features. Either enable Jack or remove so
- 解决 Error:Jack is required to support java 8 language features. Either enable Jack...
- Jack is required to support java 8 language features. Either enable Jack o的解决
- android studio项目报:Error:Jack is required to support java 8 language features. Either enable Jack
- Error:Jack is required to support Java 8 language features
- Error:Jack is required to support java 8 language features.
- Error:Jack is required to support java 8 language features.
- Error:Jack is required to support java 8 language features. 及Jack的介绍
- Error:Jack is required to support java 8 language features. 及Jack的介绍
- Articulate Storyline 2中文版安装破解图文教程(附下载)
- 如果解决跨国企业和外资企业在华访问海外AWS缓慢的问题
- 利用C#更专业的实现运行时调整控件大小和位置
- Debian GNU/Linux 安装手册
- sign_and_send_pubkey: signing failed: agent refused operation问题解决办法
- Error:Jack is required to support java 8 language features. Either enable Jack or remove sourceCompa
- 【HTML5学习笔记】11:表单元素 其二
- 程序员你伤不起(三)
- j2ee-规范-Java Database Connectivity
- 170523 逆向-循环语句
- 数组作为参数
- fedora安装vmware时kernel header不匹配问题
- Ubuntu上搭建文件服务器samba
- SQL server数据类型和完整性约束