Pub.java

package com.bigdo.util;

import java.math.BigDecimal;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import com.bigdo.app.Main_Activity;
import com.bigdo.app.R;
import com.bigdo.common.RConfig;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Parcelable;

public final class Pub {

	public static String handleDownVideoUrl(String url) {
		StringBuilder sb = new StringBuilder(url.length() * 4 / 3);
		String c = "";
		int lg = url.length();
		for (int i = 0; i < lg; i++) {
			c = url.substring(i, i + 1);
			if (c.matches("[^a-zA-Z0-9\\_\\/\\.:\\-=\\&\\?]")) {
				sb.append(Uri.encode(c));
			} else {
				sb.append(c);
			}
		}
		return sb.toString();
	}

	/**
	 * 手机号验证
	 * 
	 * @param str
	 * @return 验证通过返回true
	 */
	public static boolean isMobilePhone(String str) {
		if (str != null) {
			str = str.trim();
			if (!str.equals("")) {
				Pattern p = null;
				Matcher m = null;
				boolean b = false;
				p = Pattern.compile("^[1][3,4,5,8][0-9]{9}$"); // 验证手机号
				m = p.matcher(str);
				b = m.matches();
				return b;
			}
		}
		return false;

	}

	/**
	 * 电话号码验证
	 * 
	 * @param str
	 * @return 验证通过返回true
	 */
	public static boolean isPhone(String str) {
		Pattern p1 = null, p2 = null;
		Matcher m = null;
		boolean b = false;
		p1 = Pattern.compile("^[0][1-9]{2,3}-[0-9]{5,10}$"); // 验证带区号的
		p2 = Pattern.compile("^[1-9]{1}[0-9]{5,8}$"); // 验证没有区号的
		if (str.length() > 9) {
			m = p1.matcher(str);
			b = m.matches();
		} else {
			m = p2.matcher(str);
			b = m.matches();
		}
		return b;
	}

	public static boolean isEmail(String email) {
		String str = "^([a-zA-Z0-9]*[-_]?[a-zA-Z0-9]+)*@([a-zA-Z0-9]*[-_]?[a-zA-Z0-9]+)+[\\.][A-Za-z]{2,3}([\\.][A-Za-z]{2})?$";
		Pattern p = Pattern.compile(str);
		Matcher m = p.matcher(email);
		return m.matches();
	}

	public static double sum(double d1, double d2) {
		BigDecimal bd1 = new BigDecimal(Double.toString(d1));
		BigDecimal bd2 = new BigDecimal(Double.toString(d2));
		return bd1.add(bd2).doubleValue();
	}

	public static double sub(double d1, double d2) {
		BigDecimal bd1 = new BigDecimal(Double.toString(d1));
		BigDecimal bd2 = new BigDecimal(Double.toString(d2));
		return bd1.subtract(bd2).doubleValue();
	}

	/**
	 * 
	 * 创建桌面快捷方式
	 */
	public static void createSystemSwitcherShortCut(Context context) {
		final Intent addIntent = new Intent(
				"com.android.launcher.action.INSTALL_SHORTCUT");
		final Parcelable icon = Intent.ShortcutIconResource.fromContext(
				context, R.drawable.applogo); // 获取快捷键的图标
		addIntent.putExtra("duplicate", false);
		final Intent myIntent = new Intent(context, Main_Activity.class);
		myIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
		myIntent.setAction("android.intent.action.MAIN"); // 绑定快捷方式和应用程序
		myIntent.setAction("android.intent.category.DEFAULT");
		myIntent.addCategory("android.intent.category.LAUNCHER");
		addIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME,
				context.getString(R.string.app_name));// 快捷方式的标题
		addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, icon);// 快捷方式的图标
		addIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, myIntent);// 快捷方式的动作
		context.sendBroadcast(addIntent);
	}

}