Retrofit+rxjava configuration problems and solutions

http://blog.csdn.net/qq_31370269/article/details/50752445 java8 new features added
http://blog.csdn.net/u011781521/article/details/52702482 Solve new problems after adding

1. There is also a configuration way to refer to Java 8 lambda usage

2, plus butterknife 8.0.1 The above picture has dependencies{} plus compile

1, add

apply plugin: 'com.neenbedankt.android-apt'

dependencies {
    compile 'com.jakewharton:butterknife:8.0.1'
    apt 'com.jakewharton:butterknife-compiler:8.0.1'
}

2, add class 

classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'