this module can generate qrcode.
####Step 1. Add the JitPack repository to your build file
Add it in your root build.gradle at the end of repositories:
allprojects {
repositories {
...
maven { url 'https://jitpack.io' }
}
}
####Step 2. Add the dependency
dependencies {
compile 'com.github.jeffreylyl:QRCODE-GENERATOR:0.1'
}