Intent用法实例

//以下是常用到的Intent的URI及其示例，包含了大部分应用中用到的共用Intent。

002

003 //一、打开一个网页，类别是Intent.ACTION_VIEW

004

005 Uri uri = Uri.parse(“http://blog.3gstdy.com/”);

006

007 Intent intent = new Intent(Intent.ACTION_VIEW, uri);

008 //二、打开地图并定位到一个点

009

010 Uri uri = Uri.parse(“geo:52.76,-79.0342″);

011

012 Intent intent = new Intent(Intent.ACTION_VIEW, uri);

013

014 //三、打开拨号界面 ,类型是Intent.ACTION_DIAL

015

016 Uri uri = Uri.parse(“tel:10086″);

017

018 Intent intent = new Intent(Intent.ACTION_DIAL, uri);

019

020 //四、直接拨打电话,与三不同的是，这个直接拨打电话，而不是打开拨号界面

021

022 Uri uri = Uri.parse(“tel:10086″);

023

024 Intent intent = new Intent(Intent.ACTION_CALL, uri);

025

026 //五、卸载一个应用，Intent的类别是Intent.ACTION_DELETE

027

028 Uri uri = Uri.fromParts(“package”, “xxx”, null);

029

030 Intent intent = new Intent(Intent.ACTION_DELETE, uri);

031

032 //六、安装应用程序,Intent的类别是Intent.ACTION_PACKAGE_ADDED

033

034 Uri uri = Uri.fromParts(“package”, “xxx”, null);

035

036 Intent intent = new Intent(Intent.ACTION_PACKAGE_ADDED, uri);

037

038 //七、播放音频文件

039

040 Uri uri = Uri.parse(“file:///sdcard/download/everything.mp3″);

041

042 Intent intent = new Intent(Intent.ACTION_VIEW, uri);

043

044 intent.setType(“audio/mp3″);

045

046 //八、打开发邮件界面

047

048 Uri uri= Uri.parse(“mailto:admin@3gstdy.com”);

049

050 Intent intent = new Intent(Intent.ACTION_SENDTO, uri);

051

052 //九、发邮件,与八不同这里是将邮件发送出去，

053

054 Intent intent = new Intent(Intent.ACTION_SEND);

055

056 String[] tos = { “admin@3gstdy.com” };

057

058 String[] ccs = { “webmaster@3gstdy.com” };

059

060 intent.putExtra(Intent.EXTRA_EMAIL, tos);

061

062 intent.putExtra(Intent.EXTRA_CC, ccs);

063

064 intent.putExtra(Intent.EXTRA_TEXT, “I come from http://blog.3gstdy.com”); 
065

066 intent.putExtra(Intent.EXTRA_SUBJECT, “http://blog.3gstdy.com”);intent.setType(“message/rfc882″);

067

068 Intent.createChooser(intent, “Choose Email Client”);

069

070 //发送带附件的邮件

071

072 Intent intent = new Intent(Intent.ACTION_SEND);

073

074 intent.putExtra(Intent.EXTRA_SUBJECT, “The email subject text”);

075

076 intent.putExtra(Intent.EXTRA_STREAM, “file:///sdcard/mysong.mp3″);

077

078 intent.setType(“audio/mp3″);

079

080 startActivity(Intent.createChooser(intent, “Choose Email Client”));

081

082 //十、发短信

083

084 Uri uri= Uri.parse(“tel:10086″);

085

086 Intent intent = new Intent(Intent.ACTION_VIEW, uri);

087

088 intent.putExtra(“sms_body”, “I come from http://blog.3gstdy.com”); 
089

090 intent.setType(“vnd.Android-dir/mms-sms”);

091

092 //十一、直接发邮件

093

094 Uri uri= Uri.parse(“smsto://100861″);

095

096 Intent intent = new Intent(Intent.ACTION_SENDTO, uri);

097

098 intent.putExtra(“sms_body”, “3g android http://blog.3gstdy.com”); 
099

100 //十二、发彩信

101

102 Uri uri= Uri.parse(“content://media/external/images/media/23″);

103

104 Intent intent = new Intent(Intent.ACTION_SEND);

105

106 intent.putExtra(“sms_body”, “3g android http://blog.3gstdy.com”); 
107

108 intent.putExtra(Intent.EXTRA_STREAM, uri);

109

110 intent.setType(“image/png”);

111

112 //十三、# Market 相关

113

114 //1 //寻找某个应用

115

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

117

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

119

120 startActivity(it);

121

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

123

124 //2 //显示某个应用的相关信息

125

126 Uri uri = Uri.parse(“market://details?id=app_id”);

127

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

129

130 startActivity(it);

131

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

133

134 //by clicking on your application on Market home

135

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

137

138 //十四、路径规划

139

140 Uri uri = Uri.parse(“http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en”);

141

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

143

144 startActivity(it);