Android imitation wechat circle of friends picture selector

Recently, the development needs to solve a function of imitating the attached pictures of wechat circle of friends. The specific requirements are as follows:

(1) Select up to 3 pictures from the mobile phone to take photos and upload; (2) The selected picture can be removed by clicking, and then a new picture can be added; (3) You can freely select from various folders containing pictures on the phone, etc.

This blog mainly realizes the above functions. Other functions such as main interface layout, various control addition and submission functions are designed to illustrate the problem. They only do simple processing, focusing on the selection and addition of pictures. The implementation of this function mainly refers to an open-source image loading framework universal image loader.

The screenshot is as follows:

@H_ 502_ 31@

In order not to be too redundant, some layout files and resource files are filtered, and the source code download address is provided here. Interested readers can download and watch (Note: I use Android studio 1.4, sdkversion is 23, and debug on Xiaomi note [Android 4.4]).

Let's start our main content:

Main interface layout activity_ Main.xml (mainly implemented by a GridView):

Picture selection interface layout activity_ select_ picture.xml :

Main interface java code mainactivity.java:

Select the picture interface java code selectpictureactivity.java:

Finally, set permissions in the manifest file androidmanifest.xml:

Download address: Android custom imitation wechat image selector.zip

The above is the whole content of this article. I hope it will be helpful to your study, and I hope you can support programming tips.