SystemInfo.java

package com.rava.voting.utils;

import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Build;

public class SystemInfo {

	public static String getAppVersion(Context context) {
		PackageInfo pInfo = null;
		try {
			pInfo = context.getPackageManager().getPackageInfo(
					context.getPackageName(), 0);
		} catch (NameNotFoundException e) {
		}
		String version = "";
		if (pInfo != null)
			version = pInfo.versionName;
		return version;
	}

	public static String getOSVersion() {
		return Build.VERSION.RELEASE;
	}

	public static String getDeviceName() {
		String manufacturer = Build.MANUFACTURER;
		String model = Build.MODEL;
		if (model.startsWith(manufacturer)) {
			return capitalize(model);
		} else {
			return capitalize(manufacturer) + " " + model;
		}
	}

	private static String capitalize(String s) {
		if (s == null || s.length() == 0) {
			return "";
		}
		char first = s.charAt(0);
		if (Character.isUpperCase(first)) {
			return s;
		} else {
			return Character.toUpperCase(first) + s.substring(1);
		}
	}
}