Windows Phone7的启动器包括:
EmailComposeTask、MediaPlayerLauncher、PhoneCallTask、SavePhoneNumberTask、SaveEmailAddressTask、SearchTask、SmsComposeTask、WebBrowserTask、MarketplaceDetailTask、MarketplaceHubTask、MarketpalceReviewTask、MarketplaceSearchTask
接下来分别以示例代码和讲解的形式讲述各个启动器。
1、EmailComposeTask:启动电子邮件撰写任务
示例代码:
引用命名空间:
- using Microsoft.Phone.Tasks;
using Microsoft.Phone.Tasks;
调用EmailComposeTask:
- EmailComposeTask emailComposeTask = new EmailComposeTask();
- emailComposeTask.Bcc = "[email protected]";
- emailComposeTask.Body = "testBody";
- emailComposeTask.Cc = "[email protected]";
- emailComposeTask.Subject = "Test Subject";
- emailComposeTask.To = "[email protected]";
- emailComposeTask.Show();
EmailComposeTask emailComposeTask = new EmailComposeTask(); emailComposeTask.Bcc = "[email protected]"; emailComposeTask.Body = "testBody"; emailComposeTask.Cc = "[email protected]"; emailComposeTask.Subject = "Test Subject"; emailComposeTask.To = "[email protected]"; emailComposeTask.Show();
注意要点:
①在代码中不可以指定附件。
②如果手机上未设置电子邮件账户,则应用程序会提示设置一个账户。
③Bcc是私密抄送的意思,即别人不会看到你抄送给谁。
④To、Cc、Bcc属性,如果需要发送给多人的时候,也许是用分号分隔邮件地址(未曾试验),只是突然想到这个需求。在Net下的发送Mail,To属性是一个MailAddressCollection,这里的To是一个string,所以不敢肯定,试验之后才能确定。
2、MediaPlayerLauncher:启动MediaPlayer
- MediaPlayerLauncher mediaPlayerLauncher = new MediaPlayerLauncher();mediaPlayerLauncher.Controls = MediaPlaybackControls.All;
- mediaPlayerLauncher.Location = MediaLocationType.Install;
- mediaPlayerLauncher.Media = new Uri("Assets/Videos/1.mp4", UriKind.Relative);
- mediaPlayerLauncher.Orientation = MediaPlayerOrientation.Portrait;
- mediaPlayerLauncher.Show();
MediaPlayerLauncher mediaPlayerLauncher = new MediaPlayerLauncher();mediaPlayerLauncher.Controls = MediaPlaybackControls.All; mediaPlayerLauncher.Location = MediaLocationType.Install; mediaPlayerLauncher.Media = new Uri("Assets/Videos/1.mp4", UriKind.Relative); mediaPlayerLauncher.Orientation = MediaPlayerOrientation.Portrait; mediaPlayerLauncher.Show();
①默认是横向播放。
②Controls属性是一个MediaPlaybackControls枚举,该属性允许对成员值按位Or组合,即MediaPlaybackControls.FastForward|MediaPlaybackControls.Pause,成员包括:All、FastForward、None、Pause、Rewind、Skip、Stop。但是在模拟器上我试验了几个,效果都是一样的,均有开始/暂停、快进、后退、全屏/正常4个按钮,本人没有实机,未在实机上测试,说到这里突然想起来,前段时间我的一个app没有经过实机测试,上架成功了,tombstone机制都没测过,可见微软所谓的一堆认证也都是扯淡,交的那99美金也只是个幌子(当然我没交,我搞了一个学生账户,具体怎么搞的,大家都懂的…………)。
③媒体文件出于性能考虑,要将Build Action属性设置为Content。
④尽管我将Orientation属性设置成了Portrait(纵向),我在虚拟机上演示的结果依然是Landscape(横向)。
⑤Location属性,是一个枚举,有三种Data、Install、None
Data:指文件保存在独立存储中,写URI路径的时候,如果是相对的,系统会自动在前面加上当前app的独立存储路径。
Install:安装目录,指XAP包内部的路径。
None:如果设置成该属性,则会泡出FileNotFoundException。
3、PhoneCallTask:拨打电话任务
- PhoneCallTask phoneCallTask = new PhoneCallTask();
- phoneCallTask.DisplayName = "TestDisplayName";
- phoneCallTask.PhoneNumber = "1506190XXXX";
- phoneCallTask.Show();
PhoneCallTask phoneCallTask = new PhoneCallTask(); phoneCallTask.DisplayName = "TestDisplayName"; phoneCallTask.PhoneNumber = "1506190XXXX"; phoneCallTask.Show();
效果:在屏幕上方弹出一个确认框,提示“Dial TestDisplayName at 1506390XXXX?”,两个按钮,“Call”和“Don't Call”。
4、SavePhoneNumberTask:保存电话号码任务
- <span style="font-weight: bold;"> SavePhoneNumberTask savePhoneNumberTask = new SavePhoneNumberTask();
- savePhoneNumberTask.PhoneNumber = "15063903725";
- savePhoneNumberTask.Completed += (s, e) => {
- if (e.TaskResult == TaskResult.OK)
- {
- MessageBox.Show(savePhoneNumberTask.PhoneNumber);
- }
- };
- savePhoneNumberTask.Show();</span>
SavePhoneNumberTask savePhoneNumberTask = new SavePhoneNumberTask();
savePhoneNumberTask.PhoneNumber = "15063903725";
savePhoneNumberTask.Completed += (s, e) => {
if (e.TaskResult == TaskResult.OK)
{
MessageBox.Show(savePhoneNumberTask.PhoneNumber);
}
};
savePhoneNumberTask.Show();
①在保存完号码之后,要触发Completed事件,应该点击Back实体键退出保存任务。
5、SaveEmailAddressTask:保存Email地址任务
- SaveEmailAddressTask saveEmailAddressTask = new SaveEmailAddressTask();
- saveEmailAddressTask.Email = "[email protected]";
- saveEmailAddressTask.Completed += (s, e) => {
- MessageBox.Show(saveEmailAddressTask.Email);
- };
- saveEmailAddressTask.Show();
SaveEmailAddressTask saveEmailAddressTask = new SaveEmailAddressTask(); saveEmailAddressTask.Email = "[email protected]"; saveEmailAddressTask.Completed += (s, e) => { MessageBox.Show(saveEmailAddressTask.Email); }; saveEmailAddressTask.Show();
①在保存完Email地址之后,要触发Completed事件,应该点击Back实体键退出保存任务。
6、SearchTask:搜索任务
- SearchTask searchTask = new SearchTask();
- searchTask.SearchQuery = "Test keyword";
- searchTask.Show();
SearchTask searchTask = new SearchTask(); searchTask.SearchQuery = "Test keyword"; searchTask.Show();
①搜索任务即打开浏览器,在地址栏中以设定的关键字进行搜索
7、SmsComposeTask:短信撰写任务
- SmsComposeTask smsComposeTask = new SmsComposeTask();
- smsComposeTask.To = "1506190XXXX";
- smsComposeTask.Body = "Test Message";
- smsComposeTask.Show();
SmsComposeTask smsComposeTask = new SmsComposeTask(); smsComposeTask.To = "1506190XXXX"; smsComposeTask.Body = "Test Message"; smsComposeTask.Show();
①如果手机没有SIM卡,在短信发送失败时会收到一条toast通知。
②短信不能在代码中指定附件。
8、WebBrowserTask:浏览器任务
- WebBrowserTask webBrowserTask = new WebBrowserTask();
- webBrowserTask.Uri = new Uri("http://www.baidu.com", UriKind.Absolute);
- webBrowserTask.Show();
WebBrowserTask webBrowserTask = new WebBrowserTask(); webBrowserTask.Uri = new Uri("http://www.baidu.com", UriKind.Absolute); webBrowserTask.Show();
①建议使用URI属性,而不是使用URL,URL属性已经过时。
②URI中的地址必须设定协议类型,如此处的HTTP协议,要加上“http://”,否则会报错。
9、MarketplaceDetailTask:市场详细任务,启动微软市场详细页
- MarketplaceDetailTask marketplaceDetailTask = new MarketplaceDetailTask();
- marketplaceDetailTask.ContentIdentifier = "b871c4cb-dee1-43e3-8ccb-a4592e8604e5";
- marketplaceDetailTask.ContentType = MarketplaceContentType.Applications;
- marketplaceDetailTask.Show();
MarketplaceDetailTask marketplaceDetailTask = new MarketplaceDetailTask(); marketplaceDetailTask.ContentIdentifier = "b871c4cb-dee1-43e3-8ccb-a4592e8604e5"; marketplaceDetailTask.ContentType = MarketplaceContentType.Applications; marketplaceDetailTask.Show();
①ContentIndentifier:要显示的应用的唯一ID,此ID可以在你的项目工程右键属性-->Assembly Information中的GUID中找到。如果不指定此属性,则默认显示调用MarketplaceDetailTask的应用程序(即当前应用)的详细页。
②ContentType:Applications或者Music
10、MarketplaceHubTask:市场中心任务
- MarketplaceHubTask marketplaceHubTask = new MarketplaceHubTask();
- marketplaceHubTask.ContentType = MarketplaceContentType.Applications;
- marketplaceHubTask.Show();
MarketplaceHubTask marketplaceHubTask = new MarketplaceHubTask(); marketplaceHubTask.ContentType = MarketplaceContentType.Applications; marketplaceHubTask.Show();
①也可以不指定内容类型,则显示所有的(包括Application和Music)的应用。
11、MarketpalceReviewTask:市场评论页任务
- MarketplaceReviewTask marketplaceReviewTask = new MarketplaceReviewTask();
- marketplaceReviewTask.Show();
MarketplaceReviewTask marketplaceReviewTask = new MarketplaceReviewTask(); marketplaceReviewTask.Show();
①启动当前应用程序的评价页面。
12、MarketplaceSearchTask:市场搜索任务
- MarketplaceSearchTask marketplaceSearchTask = new MarketplaceSearchTask();
- marketplaceSearchTask.ContentType = MarketplaceContentType.Applications;
- marketplaceSearchTask.SearchTerms = "test keyword";
- marketplaceSearchTask.Show();
MarketplaceSearchTask marketplaceSearchTask = new MarketplaceSearchTask(); marketplaceSearchTask.ContentType = MarketplaceContentType.Applications; marketplaceSearchTask.SearchTerms = "test keyword"; marketplaceSearchTask.Show();
①ContentType包括Applications和Music。
②如果不指定内容类型,则根据关键字搜索整个商城。