Java tutorial
//package com.java2s; /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ import android.text.TextUtils; public class Main { public static float toFloat(String value) { if (TextUtils.isEmpty(value)) return 0.0f; try { float val = Float.parseFloat(value); return val; } catch (NumberFormatException ex) { return 0.0f; } } }