when you publish new version android app,maybe you want all your application user update new version.

this process follow 4-steps:

1. check googleplay app version

2. check device app version

3. compare version

4. alert new version update!

How to use

• check googleplay app version

  String store_version = MarketVersionChecker.getMarketVersion(getPackageName());

• check device app version

  String device_version = getPackageManager().getPackageInfo(getPackageName(), 0).versionName;

• compare version

 if (store_version.compareTo(device_version) > 0) {
    // need update

 } else {
    // no need update

 }

Reference

• getMarketVersion()
• getMarketVersionFast()