《========================极光==========================》
真机安装apk 点击build里面的build apk（s）
https://blog.csdn.net/qq_38520096/article/details/78833801
https://blog.csdn.net/u014752325/article/details/53996232
https://blog.csdn.net/wzgbgz/article/details/79140056
数据库：https://blog.csdn.net/qq_38520096/article/details/78833801
防qq左滑删除：https://blog.csdn.net/yanzhenjie1003/article/details/52115566
RecyclerView添加分割线的简便方法 - CSDN博客
https://blog.csdn.net/lindroid20/article/details/76407954
启动动画
https://www.jianshu.com/p/86b1103db051
https://github.com/wapchief/Android-IM --》可用项目
https://www.jianshu.com/p/96672dd1be8d 简书自动登录
系统自带弹出窗口
https://blog.csdn.net/ningchao328/article/details/52087813
动画库Lottie
https://www.jianshu.com/nb/11718325 --》极光 9个有关介绍
地区选择框架
https://blog.csdn.net/panhouye/article/details/60872318
GreenDao3.0查询方法积累:https://blog.csdn.net/u013110200/article/details/78782058
《==========================java后端学习========================》
https://blog.csdn.net/shenshaoqiu/article/details/78650613 --》java7大后端框架介绍
https://blog.csdn.net/pamchen/article/details/80620729 --》6个快速开发框架
Spring、Struts、Hibernate
https://blog.csdn.net/z979451341/article/details/78864907 --》android 可用开源项目
《=========================IntelliJ IDEA 教程==================================》
史上最简单的 IntelliJ IDEA 教程： https://blog.csdn.net/qq_35246620/article/details/61191375
百度文档免费下载破解方法：
0账号：yncah 密码：5766 财富值：2108
★务必从该网址登录进去 https://wenkubao.cc
《===========================环信==================================》
环信：
http://www.imgeek.org/article/825308542 防qq
https://www.jianshu.com/p/cb00c67189cb
自动登录：
https://www.jianshu.com/p/cb00c67189cb
头像：https://blog.csdn.net/qq_33275597/article/details/52679315
Android中的布局和控件的隐藏和触发显示
https://blog.csdn.net/a1b2c3d4123456/article/details/51830027
添加好友：
https://blog.csdn.net/diyangxia/article/details/45393599
防微信实现好友列表 RecyclerView compile 'com.android.support:recyclerview-v7:25.3.1'
https://blog.csdn.net/gesanri/article/details/52071113
防qq好友列表 RecyclerView
https://blog.csdn.net/hongtao_studio/article/details/50704199
RecyclerView优雅实现复杂列表布局
https://blog.csdn.net/qq_31568297/article/details/53468648
https://www.jianshu.com/p/34f060f72834 --》防空间动态实现
https://blog.csdn.net/lin_dianwei/article/details/78687487 ---》 RecyclerView可用
https://blog.csdn.net/skykingf/article/details/50827141
https://blog.csdn.net/diyangxia/article/details/45393599
Android中Activity的四种经典传值方法
https://blog.csdn.net/zhangyalong_android/article/details/52493203
《=========================笔记=======================》
win关闭自动更新：http://www.jb51.net/os/win10/503165.html
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
http://www.runoob.com/
http://blog.csdn.net/lmj623565791/article/details/37970961
搜索功能：
https://www.jianshu.com/p/3682f6536e49
扫一扫：
https://blog.csdn.net/duoduo_11011/article/details/60873582
https://blog.csdn.net/yuzhiqiang_1993/article/details/78292004--》需c币
列表展开：
https://blog.csdn.net/baidu_25537855/article/details/46773549
聊天：
https://segmentfault.com/a/1190000002615969--》不确定
android获取已安装app图标
http://www.cnblogs.com/mainroadlee/archive/2011/05/23/android_get_installed_app.html
https://www.jianshu.com/p/ad4cc2343743
从别的activity跳入viewpager指定页面
https://blog.csdn.net/pengjunhong/article/details/52033060
android 点击按钮显示弹出框
https://blog.csdn.net/centralperk/article/details/7493731
https://blog.csdn.net/zhuwentao2150/article/details/51478053
两秒内按返回键两次退出程序
http://www.jb51.net/article/37989.htm
http://www.cnblogs.com/tinyphp/p/3897556.html
环信sdk
https://www.jianshu.com/p/fa36152f1d57
https://juejin.im/entry/5884781a8fd9c50067f6b8c7
https://www.jianshu.com/p/cbe0e9c7e473
https://blog.csdn.net/qq137722697/article/details/52200355
http://www.imgeek.org/article/825308542 --->防qq
https://www.jianshu.com/p/1299d427af17 --》可用
android 点击之后访问相册并设置为头像
https://blog.csdn.net/panhouye/article/details/54235724
android GreenDao数据库使用
https://blog.csdn.net/demonliuhui/article/details/66976239 --》可用
https://blog.csdn.net/krislight/article/details/9391455
https://blog.csdn.net/u012702547/article/details/52226163 —————》可用 增删改查代码