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android系统管理联系人的URI如下ContactsContract.Contacts.CONTENT_URI 管理联系人的UriContactsContract.CommonDataKinds.Phone.CONTENT_URI 管理联系人的电话的UriContactsContract.CommonDataKinds.Email.CONTENT_URI 管理联系人的Email的U

Android provides user experience themes that give apps the look and feel of the underlying operating system. These themes can be applied to your app within the manifest file. By using these built in s

As you'll learn in the following lessons, there are several situtations in which an activitytransitions between different states that are illustrated in figure 1. However, only three ofthese states ca

MMS短信中MMS为Multimedia Messaging Service的缩写，中文译为多媒体短信服务。中国移动公司把它定名为“彩信”，可以用于传送文字、图片、动画、音频和视频等多媒体信息。简介　　MMS是Multimedia Message Service的简称，中文名为多媒体信息服务。MMS的工业标准是由两个组织，WAP Forum(WAP论坛)和3GPP(3G P

package mars.listview;import java.util.ArrayList;import java.util.HashMap;import android.app.ListActivity;import android.os.Bundle;import android.view.View;import android.widget.ListView;impo

首先：打开一个终端，输入 lsusb，就会看到当前连接电脑的所有USB设备，比如：Bus 002 Device 003: ID 046d:c06a Logitech, Inc. Bus 002 Device 010: ID 17ef:7533 Lenovo第二个是我连接的联想手机。其次：进入 /etc/udev/rules.d 下面：打开终端（Ctrl+Alt+T）