Android引入jar包
1.把jar包复制到app》Libs文件夹中。
2.build.gradle节点：dependencies中增加：implementation fileTree(dir: 'Libs', include: ['*.aar', '*.jar'], exclude: [])
2.build.gradle节点：dependencies中增加：implementation fileTree(dir: 'Libs', include: ['*.aar', '*.jar'], exclude: [])