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Intent用法实例

2015-03-13 14:19 148 查看
Intent应该算是Android中特有的东西。你可以在Intent中指定程序要执行的动作（比如：view,edit,dial），以及程序执行到 该动作时所需要的资料。都指定好后，只要调用startActivity()，Android系统会自动寻找最符合你指定要求的应用程序，并执行该程序。

下面列出几种Intent的用法

显示网页:



Uri uri = Uri.parse( "<a href=" http: //www.google.com" target="_blank" rel="external">http://www.google.com</a>");

Intent it = new Intent(Intent.ACTION_VIEW,uri);

startActivity(it);

Java代码

Uri uri = Uri.parse("<a href="http://www.google.com" target="_blank" rel="external">http://www.google.com</a>");

Intent it = new Intent(Intent.ACTION_VIEW,uri);

startActivity(it);

显示地图:



Uri uri = Uri.parse( "geo:38.899533,-77.036476" );

Intent it = new Intent(Intent.Action_VIEW,uri);

startActivity(it);

Java代码

Uri uri = Uri.parse("geo:38.899533,-77.036476");

Intent it = new Intent(Intent.Action_VIEW,uri);

startActivity(it);

路径规划:



Uri uri = Uri.parse( "<a href=" http: //maps.google.com/maps?f=d" target="_blank" rel="external">http://maps.google.com/maps?f=d</a>&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");



Intent it = new Intent(Intent.ACTION_VIEW,URI);



startActivity(it);

Java代码

Uri

uri = Uri.parse("<a href="http://maps.google.com/maps?f=d"

target="_blank"

rel="external">http://maps.google.com/maps?f=d</a>&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");

Intent

it = new Intent(Intent.ACTION_VIEW,URI);

startActivity(it);

拨打电话:

调用拨号程序



Uri uri = Uri.parse( "tel:xxxxxx" );



Intent it = new Intent(Intent.ACTION_DIAL, uri);



startActivity(it);

Java代码

Uri uri = Uri.parse("tel:xxxxxx");

Intent it = new Intent(Intent.ACTION_DIAL, uri);

startActivity(it);



Uri uri = Uri.parse( "tel.xxxxxx" );



Intent it =new Intent(Intent.ACTION_CALL,uri);



要使用这个必须在配置文件中加入<uses-permission id="android.permission.CALL_PHONE" />

Java代码

Uri uri = Uri.parse("tel.xxxxxx");

Intent it =new Intent(Intent.ACTION_CALL,uri);

要使用这个必须在配置文件中加入<uses-permission id="android.permission.CALL_PHONE" />

发送SMS/MMS

调用发送短信的程序



Intent it = new Intent(Intent.ACTION_VIEW);



it.putExtra("sms_body" , "The SMS text" );



it.setType("vnd.android-dir/mms-sms" );



startActivity(it);

Java代码

Intent it = new Intent(Intent.ACTION_VIEW);

it.putExtra("sms_body", "The SMS text");

it.setType("vnd.android-dir/mms-sms");

startActivity(it);

发送短信



Uri uri = Uri.parse( "smsto:0800000123" );



Intent it = new Intent(Intent.ACTION_SENDTO, uri);



it.putExtra("sms_body" , "The SMS text" );



startActivity(it);

Java代码

Uri uri = Uri.parse("smsto:0800000123");

Intent it = new Intent(Intent.ACTION_SENDTO, uri);

it.putExtra("sms_body", "The SMS text");

startActivity(it);

发送彩信



Uri uri = Uri.parse( "content://media/external/images/media/23" );



Intent it = new Intent(Intent.ACTION_SEND);



it.putExtra("sms_body" , "some text" );



it.putExtra(Intent.EXTRA_STREAM, uri);



it.setType("image/png" );



startActivity(it);

Java代码

Uri uri = Uri.parse("content://media/external/images/media/23");

Intent it = new Intent(Intent.ACTION_SEND);

it.putExtra("sms_body", "some text");

it.putExtra(Intent.EXTRA_STREAM, uri);

it.setType("image/png");

startActivity(it);

发送Email



Uri uri = Uri.parse( "mailto:xxx@abc.com" );



Intent it = new Intent(Intent.ACTION_SENDTO, uri);



startActivity(it);

Java代码

Uri uri = Uri.parse("mailto:xxx@abc.com");

Intent it = new Intent(Intent.ACTION_SENDTO, uri);

startActivity(it);

Intent it = new Intent(Intent.ACTION_SEND);



it.putExtra(Intent.EXTRA_EMAIL, "me@abc.com" );



it.putExtra(Intent.EXTRA_TEXT, "The email body text" );



it.setType("text/plain" );



startActivity(Intent.createChooser(it, "Choose Email Client" ));

Java代码

Intent it = new Intent(Intent.ACTION_SEND);

it.putExtra(Intent.EXTRA_EMAIL, "me@abc.com");

it.putExtra(Intent.EXTRA_TEXT, "The email body text");

it.setType("text/plain");

startActivity(Intent.createChooser(it, "Choose Email Client"));



Intent it= new Intent(Intent.ACTION_SEND);



String[] tos={"me@abc.com" };



String[] ccs={"you@abc.com" };



it.putExtra(Intent.EXTRA_EMAIL, tos);



it.putExtra(Intent.EXTRA_CC, ccs);



it.putExtra(Intent.EXTRA_TEXT, "The email body text" );



it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text" );



it.setType("message/rfc822" );



startActivity(Intent.createChooser(it, "Choose Email Client" ));

Java代码

Intent it=new Intent(Intent.ACTION_SEND);

String[] tos={"me@abc.com"};

String[] ccs={"you@abc.com"};

it.putExtra(Intent.EXTRA_EMAIL, tos);

it.putExtra(Intent.EXTRA_CC, ccs);

it.putExtra(Intent.EXTRA_TEXT, "The email body text");

it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");

it.setType("message/rfc822");

startActivity(Intent.createChooser(it, "Choose Email Client"));

添加附件



Intent it = new Intent(Intent.ACTION_SEND);



it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text" );



it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/mysong.mp3" );



sendIntent.setType("audio/mp3" );



startActivity(Intent.createChooser(it, "Choose Email Client" ));

Java代码

Intent it = new Intent(Intent.ACTION_SEND);

it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");

it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/mysong.mp3");

sendIntent.setType("audio/mp3");

startActivity(Intent.createChooser(it, "Choose Email Client"));

播放多媒体



Intent it = new Intent(Intent.ACTION_VIEW);



Uri uri = Uri.parse("file:///sdcard/song.mp3" );



it.setDataAndType(uri, "audio/mp3" );



startActivity(it);

Java代码

Intent it = new Intent(Intent.ACTION_VIEW);

Uri uri = Uri.parse("file:///sdcard/song.mp3");

it.setDataAndType(uri, "audio/mp3");

startActivity(it);

Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, "1" );



Intent it = new Intent(Intent.ACTION_VIEW, uri);



startActivity(it);

Java代码

Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, "1");

Intent it = new Intent(Intent.ACTION_VIEW, uri);

startActivity(it);

Uninstall 程序



Uri uri = Uri.fromParts( "package" , strPackageName, null );



Intent it = new Intent(Intent.ACTION_Delete, uri);



startActivity(it);

Java代码

Uri uri = Uri.fromParts("package", strPackageName, null);

Intent it = new Intent(Intent.ACTION_Delete, uri);

startActivity(it);

uninstall apk



Uri uninstallUri = Uri.fromParts( "package" , "xxx" , null );

returnIt = new Intent(Intent.ACTION_Delete, uninstallUri);

Java代码

Uri uninstallUri = Uri.fromParts("package", "xxx", null);

returnIt = new Intent(Intent.ACTION_Delete, uninstallUri);

install apk



Uri installUri = Uri.fromParts( "package" , "xxx" , null );

returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);

Java代码

Uri installUri = Uri.fromParts("package", "xxx", null);

returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);

play audio



Uri playUri = Uri.parse( "file:///sdcard/download/everything.mp3" );

returnIt = new Intent(Intent.ACTION_VIEW, playUri);

Java代码

Uri playUri = Uri.parse("file:///sdcard/download/everything.mp3");

returnIt = new Intent(Intent.ACTION_VIEW, playUri);

发送附件



Intent it = new Intent(Intent.ACTION_SEND);



it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text" );



it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/eoe.mp3" );



sendIntent.setType("audio/mp3" );



startActivity(Intent.createChooser(it, "Choose Email Client" ));

Java代码

Intent it = new Intent(Intent.ACTION_SEND);

it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");

it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/eoe.mp3");

sendIntent.setType("audio/mp3");

startActivity(Intent.createChooser(it, "Choose Email Client"));

Market相关：



//搜索应用



Uri uri = Uri.parse("market://search?q=pname:pkg_name" );



Intent it = new Intent(Intent.ACTION_VIEW, uri);



startActivity(it);



//where pkg_name is the full package path for an application







//显示指定应用的详细页面（这个好像不支持了，找不到app_id）



Uri uri = Uri.parse("market://details?id=app_id" );



Intent it = new Intent(Intent.ACTION_VIEW, uri);



startActivity(it);



//where app_id is the application ID, find the ID



//by clicking on your application on Market home



//page, and notice the ID from the address bar
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