Gradle dependencies version

gradle_ext_versions

ext {
    compileSdkVersion = 28
    targetSdkVersion = 28
    minSdkVersion = 19
    supportLibVer = '28.0.0'
    constraintLayoutVer = '1.1.2'
    jUnitVer = '4.12'
    testRunnerVer = '1.0.2'
    espressoCoreVer = '3.0.2'
    firebaseVer = '16.0.4'
    circleImageViewVer = '2.2.0'
    xwrayGroupieVer = '2.1.0'
    picassoVer = '2.71828'
    wangAviVer = '2.1.3'
    glideVer = '4.8.0'
  ...
  
  }