权限 和 依赖

compile 'com.android.support:recyclerview-v7:25.3.1'  
compile 'com.google.code.gson:gson:2.8.2'          gson
compile 'com.squareup.okhttp3:okhttp:3.9.0'       ok
compile 'com.github.bumptech.glide:glide:3.7.0'  图片

compile 'com.jcodecraeer:xrecyclerview:1.3.2'
 compile 'com.jakewharton:butterknife:8.8.1'
 annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1' 
    butter knife 的依赖和编译器
compile 'org.greenrobot:eventbus:3.1.1'
 eventbus依赖
compile 'com.squareup.retrofit2:retrofit:2.0.0'   //Retrofit依赖
compile 'com.squareup.retrofit2:converter-gson:2.0.2'   //自动解析包

 xrecyclerview

//Rxjava2.0

compile "io.reactivex.rxjava2:rxjava:2.1.1"
compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
compile 'com.squareup.retrofit2:retrofit:2.3.0'
compile 'com.squareup.retrofit2:converter-gson:2.3.0'
compile 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
 //RxJava01的使用:
compile 'io.reactivex:rxjava:1.3.4'
compile'io.reactivex:rxandroid:1.2.1' 
RxJava01配合Retrofit使用的适配器依赖:
compile 'com.squareup.retrofit2:adapter-rxjava:2.3.0’ 

<uses-permission android:name="android.permission.INTERNET"></uses-permission>
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"></uses-permission>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"></uses-permission>