CommonUtil.java

package com.geo.smallcredit.util;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

public class CommonUtil {

	public static void showInfoDialog(Context context, String message) {
		showInfoDialog(context, message, "��ʾ", "ȷ��", null);
	}

	public static void showInfoDialog(Context context, String message,
			String titleStr, String positiveStr,
			DialogInterface.OnClickListener onClickListener) {
		AlertDialog.Builder localBuilder = new AlertDialog.Builder(context);
		localBuilder.setTitle(titleStr);
		localBuilder.setMessage(message);
		if (onClickListener == null)
			onClickListener = new DialogInterface.OnClickListener() {
			public void onClick(DialogInterface dialog, int which) {

			}
		};
		localBuilder.setPositiveButton(positiveStr, onClickListener);
		localBuilder.show();
	}

	/**
	 * �жϵ�ǰ�Ƿ��п��õ������Լ��������� 0�������� 1��WIFI 2��CMWAP 3��CMNET
	 * 
	 * @param context
	 * @return
	 */
	public static int isNetworkAvailable(Context context) {
		ConnectivityManager connectivity = (ConnectivityManager) context
				.getSystemService(Context.CONNECTIVITY_SERVICE);
		if (connectivity == null) {
			return 0;
		} else {
			NetworkInfo[] info = connectivity.getAllNetworkInfo();
			if (info != null) {
				for (int i = 0; i < info.length; i++) {
					if (info[i].getState() == NetworkInfo.State.CONNECTED) {
						NetworkInfo netWorkInfo = info[i];
						if (netWorkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
							return 1;
						} else if (netWorkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
							String extraInfo = netWorkInfo.getExtraInfo();
							if ("cmwap".equalsIgnoreCase(extraInfo)
									|| "cmwap:gsm".equalsIgnoreCase(extraInfo)) {
								return 2;
							}
							return 3;
						}
					}
				}
			}
		}
		return 0;
	}
	/**
	 * ��ȡBoolean���͵�����
	 * @param context
	 * @param key
	 * @param defValue
	 * @return
	 */
	
	public static String SP_NAME = "config";
	private static SharedPreferences sp;
	public static boolean getBoolean(Context context,String key,boolean defValue){
		if(sp == null) {
			sp = context.getSharedPreferences(SP_NAME, 0);
		
		}
		return sp.getBoolean(key, defValue);
	}
	
	/**
	 * ����Boolean���͵�����
	 * @param context
	 * @param key
	 * @param value
	 */
	public static void saveBoolean(Context context, String key, boolean value) {
		if (sp == null)
			sp = context.getSharedPreferences(SP_NAME, 0);
		sp.edit().putBoolean(key, value).commit();
	}
	
}