Get app info from the Manifest file

get app info from the Manifest file

/**
     * Get the "android:versionName" value from the Manifest file.
     *
     * @param context The current Context or Activity that this method is called from
     * @return the application version string, or "Unknown" if versionName cannot be found for
     * the given context.
     */
    public static String getVersionName(Context context) {
        String versionName;
        try {
            versionName = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionName;
        } catch (PackageManager.NameNotFoundException e) {
            versionName = "Unknown";
        }
        return versionName;
    }

    /**
     * Get the "android:versionCode" value from the Manifest file.
     *
     * @param context The current Context or Activity that this method is called from
     * @return the application version code, or -999 if versionName cannot be found for the given context.
     */
    public static int getVersionCode(Context context) {
        int versionCode;
        try {
            versionCode = context.getPackageManager().getPackageInfo(context.getPackageName(), 0).versionCode;
        } catch (PackageManager.NameNotFoundException e) {
            versionCode = -999;
        }
        return versionCode;
    }

    /**
     * Get application name from Manifest file.
     *
     * @param context The current Context or Activity that this method is called from
     * @return application name.
     */
    public static String getApplicationName(Context context) {
        int stringId = context.getApplicationInfo().labelRes;
        return context.getString(stringId);
    }