获取Android版本名和版本号

//版本名
public static String getVersionName(Context context) {
return getPackageInfo(context).versionName;
}

//版本号
public static int getVersionCode(Context context) {
return getPackageInfo(context).versionCode;
}

private static PackageInfo getPackageInfo(Context context) {
PackageInfo pi = null;

try {
PackageManager pm = context.getPackageManager();
pi = pm.getPackageInfo(context.getPackageName(),
PackageManager.GET_CONFIGURATIONS);

return pi;
} catch (Exception e) {
e.printStackTrace();
}

return pi;
}