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

一、打开一个网页，类别是Intent.ACTION_VIEW

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Uri uri = Uri.parse(``"http://www.android-study.com/"``);

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

二、打开地图并定位到一个点

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Uri uri = Uri.parse(``"geo:52.76,-79.0342"``);

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

三、打开拨号界面，类型是Intent.ACTION_DIAL

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Uri uri = Uri.parse(``"tel:10086"``);

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

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

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Uri uri = Uri.parse(``"tel:10086"``);

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

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

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

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

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

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

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

七、播放音频文件

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

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

intent.setType(``"audio/mp3"``);

八、打开发邮件界面

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Uri uri= Uri.parse(``"mailto:admin@android-study.com"``);

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

九、发邮件,与八不同这里是将邮件发送出去

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Intent intent = new Intent(Intent.ACTION_SEND);

String[] tos = { "admin@android-study.com" };

String[] ccs = { "webmaster@android-study.com" };

intent.putExtra(Intent.EXTRA_EMAIL, tos);

intent.putExtra(Intent.EXTRA_CC, ccs);

intent.putExtra(Intent.EXTRA_TEXT, "I come from http://www.android-study.com"``);

intent.putExtra(Intent.EXTRA_SUBJECT, "http://www.android-study.com"``);intent.setType(``"message/rfc882"``);

Intent.createChooser(intent, "Choose Email Client"``);

//发送带附件的邮件

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Intent intent = new Intent(Intent.ACTION_SEND);

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

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

intent.setType(``"audio/mp3"``);

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

十、发短信

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Uri uri= Uri.parse(``"tel:10086"``);

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

intent.putExtra(``"sms_body"``, "I come from http://www.android-study.com"``);

intent.setType(``"vnd.Android-dir/mms-sms"``);

十一、直接发短信

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Uri uri= Uri.parse(``"smsto://100861"``);

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

intent.putExtra(``"sms_body"``, "3g android http://www.android-study.com"``);

十二、发彩信

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

Intent intent = new Intent(Intent.ACTION_SEND);

intent.putExtra(``"sms_body"``, "3g android http://www.android-study.com"``);

intent.putExtra(Intent.EXTRA_STREAM, uri);

intent.setType(``"image/png"``);

十三、# Market 相关

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1 //寻找某个应用

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

2 //显示某个应用的相关信息

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

十四、路径规划

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

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

startActivity(it);

//where startLat, startLng, endLat, endLng are a long with 6 decimals like: 50.123456

十五、安装指定apk

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public void setupAPK(String apkname){

String fileName = Environment.getExternalStorageDirectory() + "/" + apkname;

Intent intent = new Intent(Intent.ACTION_VIEW);

intent.setDataAndType(Uri.fromFile(``new File(fileName)), "application/vnd.android.package-archive"``);

mService.startActivity(intent);

}

十六、进入联系人页面

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Intent intent = new Intent();

intent.setAction(Intent.ACTION_VIEW);

intent.setData(People.CONTENT_URI);

startActivity(intent);

十七、查看指定联系人

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Uri personUri = ContentUris.withAppendedId(People.CONTENT_URI, info.id);``// info.id联系人ID

Intent intent = new Intent();

intent.setAction(Intent.ACTION_VIEW);

intent.setData(personUri);

startActivity(intent);

十八、调用相册

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public static final String MIME_TYPE_IMAGE_JPEG = "image/*"``;

public static final int ACTIVITY_GET_IMAGE = 0``;

Intent getImage = new Intent(Intent.ACTION_GET_CONTENT);

getImage.addCategory(Intent.CATEGORY_OPENABLE);

getImage.setType(MIME_TYPE_IMAGE_JPEG);

startActivityForResult(getImage, ACTIVITY_GET_IMAGE);

十九、调用系统相机应用程序，并存储拍下来的照片

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Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

time = Calendar.getInstance().getTimeInMillis();

intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(``new File(Environment

.getExternalStorageDirectory().getAbsolutePath()+``"/tucue"``, time + ".jpg"``)));

startActivityForResult(intent, ACTIVITY_GET_CAMERA_IMAGE);

来源： <http://www.android-study.com/jichuzhishi/338.html>