Getting VersionCode and VersionName on Android

gistfile1.java

public int getVersionCode() {
	int versionCode;
	try {
		PackageInfo pinfo = getPackageManager().getPackageInfo(getPackageName(), 0);
		versionCode = pinfo.versionCode;
	} catch (NameNotFoundException e) {
		versionCode = -1;
	}
	return versionCode;
}
	
public String getVersionName() {
	String versionName;
	try {
		PackageInfo pinfo = getPackageManager().getPackageInfo(getPackageName(), 0);
		versionName = pinfo.versionName;
	} catch (NameNotFoundException e) {
		versionName = null;
	}
	return versionName;
}