启动浏览器
代码与范例:
[java]
Intent intent <span style="color:#339933">=</span> <span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_VIEW</span>, Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span><span style="color:#0000ff">"http://www.google.com"</span><span style="color:#009900">)</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动浏览器并前往http://www.google.com 。
启动拨号程序
代码与范例:
[java]
Intent intent <span style="color:#339933">=</span> <span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_VIEW</span>, Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span><span style="color:#0000ff">"tel:138"</span><span style="color:#009900">)</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动拨号程序并输入号码138。
通话
代码与范例:
[java]
Uri uri<span style="color:#339933">=</span>Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span><span style="color:#0000ff">"tel:138"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
Intent intent<span style="color:#339933">=</span><span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_CALL</span>,uri<span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:拨打号码138。需要为程序申请权限<uses-permission android:name=”android.permission.CALL_PHONE”/>。
发送短信
代码与范例:
[java]
Uri smsUri <span style="color:#339933">=</span> Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span>url<span style="color:#009900">)</span><span style="color:#339933">;</span>
Intent intent <span style="color:#339933">=</span> <span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_VIEW</span>, smsUri<span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">setType</span><span style="color:#009900">(</span><span style="color:#0000ff">"vnd.android-dir/mms-sms"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动短信程序。
启动通讯录
代码与范例:
[java]
Intent intent <span style="color:#339933">=</span> <span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_VIEW</span>, Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span><span style="color:#0000ff">"content://contacts/people/1"</span><span style="color:#009900">)</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动同学录的某一条目。
启动地图程序(Google Maps等)
代码与范例:
[java]
Uri mapUri <span style="color:#339933">=</span> Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span>url<span style="color:#009900">)</span><span style="color:#339933">;</span>
Intent intent <span style="color:#339933">=</span> <span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_VIEW</span>, mapUri<span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动地图程序。
搜索路线
代码与范例:
[java]
Intent intent <span style="color:#339933">=</span> <span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">setAction</span><span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_VIEW</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">setClassName</span><span style="color:#009900">(</span><span style="color:#0000ff">"com.google.android.apps.maps"</span>,<span style="color:#0000ff">"com.google.android.maps.MapsActivity"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">setData</span><span style="color:#009900">(</span>Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span><span style="color:#0000ff">"http://maps.google.com/maps?myl=saddr daddr= dirflg=d"</span><span style="color:#009900">)</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动Google Maps并搜索路线,具体的方法另外补充。
启动邮件程序
代码与范例:
[java]
Uri uri <span style="color:#339933">=</span>Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span><span style="color:#0000ff">"mailto:xxx@example.com"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
Intent intent <span style="color:#339933">=</span> newIntent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_SENDTO</span>, uri<span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">putExtra</span><span style="color:#009900">(</span>Intent.<span style="color:#006633">EXTRA_SUBJECT</span>, <span style="color:#0000ff">"Hello world"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">putExtra</span><span style="color:#009900">(</span>Intent.<span style="color:#006633">EXTRA_TEXT</span>, <span style="color:#0000ff">"Ganbarimasu"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动邮件程序并将收件人设为xxx@example.com,邮件主题设为Hello world,内容设为Ganbarimasu。
启动邮件程序并添加多个收件人
代码与范例:
[java]
Intent intent<span style="color:#339933">=</span><span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_SEND</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
<a href="http://www.google.com/search?hl=en&q=allinurl%3Astring+java.sun.com&btnI=I%27m%20Feeling%20Lucky"><span style="color:#003399">String</span></a><span style="color:#009900">[</span><span style="color:#009900">]</span> tos<span style="color:#339933">=</span><span style="color:#009900">{</span><span style="color:#0000ff">"me@example.com"</span><span style="color:#009900">}</span><span style="color:#339933">;</span>
<a href="http://www.google.com/search?hl=en&q=allinurl%3Astring+java.sun.com&btnI=I%27m%20Feeling%20Lucky"><span style="color:#003399">String</span></a><span style="color:#009900">[</span><span style="color:#009900">]</span>ccs<span style="color:#339933">=</span><span style="color:#009900">{</span><span style="color:#0000ff">"you@example.com"</span><span style="color:#009900">}</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">putExtra</span><span style="color:#009900">(</span>Intent.<span style="color:#006633">EXTRA_EMAIL</span>, tos<span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">putExtra</span><span style="color:#009900">(</span>Intent.<span style="color:#006633">EXTRA_CC</span>, ccs<span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">putExtra</span><span style="color:#009900">(</span>Intent.<span style="color:#006633">EXTRA_TEXT</span>, <span style="color:#0000ff">"The email body text"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">putExtra</span><span style="color:#009900">(</span>Intent.<span style="color:#006633">EXTRA_SUBJECT</span>, <span style="color:#0000ff">"The email subject text"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">setType</span><span style="color:#009900">(</span><span style="color:#0000ff">"message/rfc822"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>Intent.<span style="color:#006633">createChooser</span><span style="color:#009900">(</span>intent,<span style="color:#0000ff">"Choose Email Client"</span><span style="color:#009900">)</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动邮件程序并设置为发送给多个收件人。
启动邮件程序并添加附件
代码与范例:
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[java]
Intent intent <span style="color:#339933">=</span> newIntent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_SEND</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">putExtra</span><span style="color:#009900">(</span>Intent.<span style="color:#006633">EXTRA_SUBJECT</span>, <span style="color:#0000ff">"The email subject text"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">putExtra</span><span style="color:#009900">(</span>Intent.<span style="color:#006633">EXTRA_STREAM</span>,<span style="color:#0000ff">"file:///sdcard/mysong.mp3);
sendIntent.setType("</span>audio<span style="color:#339933">/</span>mp3<span style="color:#0000ff">");
startActivity(Intent.createChooser(intent,"</span>Choose Email Client<span style="color:#0000ff">"));</span>
说明:启动邮件程序并添加附件。
播放MP3文件
代码与范例:
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[java]
Intent intent <span style="color:#339933">=</span> <span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_VIEW</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
Uri uri <span style="color:#339933">=</span>Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span><span style="color:#0000ff">"file:///sdcard/song.mp3"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">setDataAndType</span><span style="color:#009900">(</span>uri,<span style="color:#0000ff">"audio/mp3"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动音乐程序并播放MP3歌曲。
卸载程序
代码与范例:
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[java]
Uri uri <span style="color:#339933">=</span>Uri.<span style="color:#006633">fromParts</span><span style="color:#009900">(</span><span style="color:#0000ff">"package"</span>, strPackageName, <span style="color:#000066; font-weight:bold">null</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
Intent intent <span style="color:#339933">=</span> newIntent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_DELETE</span>, uri<span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:卸载包名为strPackageName的程序。
安装程序
代码与范例:
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[java]
Uri installUri <span style="color:#339933">=</span> Uri.<span style="color:#006633">fromParts</span><span style="color:#009900">(</span><span style="color:#0000ff">"package"</span>,strPackageName, <span style="color:#000066; font-weight:bold">null</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
returnIt <span style="color:#339933">=</span> newIntent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_PACKAGE_ADDED</span>, installUri<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:安装包名为strPackageName的程序。
启动设置
代码与范例:
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[java]
Intent intent<span style="color:#339933">=</span><span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span><span style="color:#0000ff">"android.settings.SETTINGS"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:进入设定程序。
启动电子市场
代码与范例:
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[java]
Uri uri<span style="color:#339933">=</span>Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span><span style="color:#0000ff">"market://search?q=pname:org.breezesoft.techolite"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
Intent intent<span style="color:#339933">=</span><span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_VIEW</span>,uri<span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:以包名org.breezesoft.techolite为条件启动Android Market。
启动电子市场并进入程序信息界面
代码与范例:
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[java]
Uri uri <span style="color:#339933">=</span> Uri.<span style="color:#006633">parse</span><span style="color:#009900">(</span><span style="color:#0000ff">"market://details?id=org.breezesoft.techolite"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
Intent intent <span style="color:#339933">=</span> <span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_VIEW</span>, uri<span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivity<span style="color:#009900">(</span>intent<span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动Android Market并进入包名为org.breezesoft.techolite的程序的详细信息界面。
从图库(Gallery)中选择并获取一张图片
代码与范例:
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[java]
Intent intent <span style="color:#339933">=</span> <span style="color:#000000; font-weight:bold">new</span> Intent<span style="color:#009900">(</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">setType</span><span style="color:#009900">(</span><span style="color:#0000ff">"image/*"</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
intent.<span style="color:#006633">setAction</span><span style="color:#009900">(</span>Intent.<span style="color:#006633">ACTION_GET_CONTENT</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
startActivityForResult<span style="color:#009900">(</span>intent, <span style="color:#cc66cc">11</span><span style="color:#009900">)</span><span style="color:#339933">;</span>
说明:启动图库并中选择并获取一张图片,返回原程序。