/**
* Copyright (C) 2013-2014 EaseMob Technologies. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.kaixin.android.utils;
import java.util.List;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningTaskInfo;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
public class CommonUtils {
/**
* 检测网络是否可用
*
* @param context
* @return
*/
public static boolean isNetWorkConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
if (mNetworkInfo != null) {
return mNetworkInfo.isAvailable();
}
}
return false;
}
/**
* 检测Sdcard是否存在
*
* @return
*/
public static boolean isExitsSdcard() {
if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED))
return true;
else
return false;
}
public static String getTopActivity(Context context) {
ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
List<RunningTaskInfo> runningTaskInfos = manager.getRunningTasks(1);
if (runningTaskInfos != null)
return runningTaskInfos.get(0).topActivity.getClassName();
else
return "";
}
}