Android和Java入门

使用eclipse调试
ctrl+F11
设置运行参数
Alt+Enter打开工程properties, 然后选择Run/Debug setting, edit具体的项目，选择Argument 的设置。
使用jar包
http://it-easy.tw/java-jar/
使用eclipse输出jar包
工程上右键export选择runnable jar
在eclipse中使用System Explorer打开对应文件位置
工程上右键弹出菜单选择Properties,在resource一项选择show in system explorer.

不错的初学者网站
https://riptutorial.com/
http://tutorials.jenkov.com/
https://blog.mindorks.com/
https://github.com/MindorksOpenSource/android-interview-questions
https://www.cnblogs.com/yishaochu/p/6882387.html
http://www.trinea.cn/android/java-android-thread-pool/

http://wiki.jikexueyuan.com/project/deep-android-v1/ 深入理解Android网页版
https://blog.csdn.net/CodingEnding/article/details/79183750 Android文件系统详解
https://www.cnblogs.com/devinzhang/archive/2012/01/20/2327863.html Android之ContentProvider总结

Android Support Library
https://developer.android.google.cn/topic/libraries/support-library
https://developer.android.google.cn/topic/libraries/support-library/features
https://developer.android.google.cn/topic/libraries/support-library/packages.html#v7-appcompat

https://developer.android.google.cn/guide/topics/ui/layout/recyclerview.html recyclerview
https://developer.android.google.cn/reference/androidx/gridlayout/widget/GridLayout.html Grid

Android example
https://github.com/googlesamples/android-sunflower

Android third party
https://bumptech.github.io/glide/

实战
https://stackoverflow.com/questions/6725718/android-display-image-from-sd-card
https://www.androidbegin.com/tutorial/android-display-images-from-sd-card-tutorial/
https://blog.csdn.net/sky_0035/article/details/51534712 android控件ImageView加载sdcard卡，网络及res中的图片
https://www.androidbegin.com/tutorial/android-display-images-from-sd-card-tutorial/