Intent應該算是Android中特有的東西。你可以在Intent中指定程序要執行的動作（比如：view,edit,dial），以及程序執行到該動作時所需要的資料。都指定好后，只要調用startActivity()，Android系統會自動尋找最符合你指定要求的應用程序，并執行該程序。

★intent大全：

1.從google搜索內容

Intent intent =newIntent(); intent.setAction(Intent.ACTION_WEB_SEARCH); intent.putExtra(SearchManager.QUERY,"searchString") startActivity(intent);

2.瀏覽網頁

Uri uri =Uri.parse("http://www.google.com");Intent it =newIntent(Intent.ACTION_VIEW,uri);startActivity(it);

3.顯示地圖

Uri uri = Uri.parse("geo:38.899533,-77.036476");Intent it = newIntent(Intent.Action_VIEW,uri);startActivity(it);

4.路徑規劃

Uri uri =Uri.parse("http://maps.google.com/maps?? ? f=dsaddr=startLat%20startLng&daddr=endLat%20endLng&hl=en"); Intent it = newIntent(Intent.ACTION_VIEW,URI); startActivity(it);

5.撥打電話

Uri uri =Uri.parse("tel:xxxxxx"); Intent it =newIntent(Intent.ACTION_DIAL,uri);? startActivity(it);

6.調用發短信的程序

Intent it = newIntent(Intent.ACTION_VIEW);? ? it.putExtra("sms_body","TheSMS text");? ? it.setType("vnd.android-dir/mms-sms");? startActivity(it);

7.發送短信

Uri uri =Uri.parse("smsto:0800000123");? Intent it = newIntent(Intent.ACTION_SENDTO, uri);? it.putExtra("sms_body","TheSMS text");? startActivity(it);Stringbody="this is sms demo";Intent mmsintent = newIntent(Intent.ACTION_SENDTO, Uri.fromParts("smsto", number,null));mmsintent.putExtra(Messaging.KEY_ACTION_SENDTO_MESSAGE_BODY,body);mmsintent.putExtra(Messaging.KEY_ACTION_SENDTO_COMPOSE_MODE,true);mmsintent.putExtra(Messaging.KEY_ACTION_SENDTO_EXIT_ON_SENT,true);startActivity(mmsintent);

8.發送彩信

Uri uri =Uri.parse("content://media/external/images/media/23");? Intent it = newIntent(Intent.ACTION_SEND);? it.putExtra("sms_body","some text");? it.putExtra(Intent.EXTRA_STREAM, uri);? it.setType("image/png");? startActivity(it);StringBuilder sb =newStringBuilder();sb.append("file://");sb.append(fd.getAbsoluteFile());Intent intent = newIntent(Intent.ACTION_SENDTO, Uri.fromParts("mmsto", number,null));// Below extra datas are all optional.intent.putExtra(Messaging.KEY_ACTION_SENDTO_MESSAGE_SUBJECT,subject);intent.putExtra(Messaging.KEY_ACTION_SENDTO_MESSAGE_BODY,body);intent.putExtra(Messaging.KEY_ACTION_SENDTO_CONTENT_URI,sb.toString());intent.putExtra(Messaging.KEY_ACTION_SENDTO_COMPOSE_MODE,composeMode);intent.putExtra(Messaging.KEY_ACTION_SENDTO_EXIT_ON_SENT,exitOnSent);startActivity(intent);

9.發送Email

Uri uri =Uri.parse("mailto:xxx@abc.com");Intent it = newIntent(Intent.ACTION_SENDTO, uri);startActivity(it);Intent it =newIntent(Intent.ACTION_SEND);? it.putExtra(Intent.EXTRA_EMAIL,"me@abc.com");? it.putExtra(Intent.EXTRA_TEXT,"Theemail body text");? it.setType("text/plain");? startActivity(Intent.createChooser(it,"Choose Email Client"));Intent it=newIntent(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,"Theemail body text");? ? it.putExtra(Intent.EXTRA_SUBJECT,"Theemail subject text");? ? it.setType("message/rfc822");? ? startActivity(Intent.createChooser(it,"Choose Email Client"));? Intent it = newIntent(Intent.ACTION_SEND);? it.putExtra(Intent.EXTRA_SUBJECT,"Theemail subject text");? ? it.putExtra(Intent.EXTRA_STREAM,"file:///sdcard/mysong.mp3");? sendIntent.setType("audio/mp3");? startActivity(Intent.createChooser(it,"Choose Email Client"));

10.播放多媒體

Intent it =newIntent(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 =newIntent(Intent.ACTION_VIEW,uri);? startActivity(it);

11.uninstall apk

Uri uri =Uri.fromParts("package", strPackageName,null);? Intent it = newIntent(Intent.ACTION_DELETE, uri);? startActivity(it);

12.install apk

UriinstallUri = Uri.fromParts("package","xxx", null);returnIt= newIntent(Intent.ACTION_PACKAGE_ADDED, installUri);

打開照相機

<1>Intent i = new Intent(Intent.ACTION_CAMERA_BUTTON, null);? this.sendBroadcast(i);? <2>long dateTaken = System.currentTimeMillis();? String name = createName(dateTaken) +".jpg";? fileName = folder + name;? ContentValuesvalues= new ContentValues();values.put(Images.Media.TITLE, fileName);values.put("_data", fileName);values.put(Images.Media.PICASA_ID, fileName);values.put(Images.Media.DISPLAY_NAME, fileName);values.put(Images.Media.DESCRIPTION, fileName);values.put(Images.ImageColumns.BUCKET_DISPLAY_NAME, fileName);? Uri photoUri = getContentResolver().insert(? ? ? ? ? ? MediaStore.Images.Media.EXTERNAL_CONTENT_URI,values);? Intent inttPhoto = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);? inttPhoto.putExtra(MediaStore.EXTRA_OUTPUT, photoUri);? startActivityForResult(inttPhoto,10);

14.從gallery選取圖片

Intent i =newIntent();? ? ? i.setType("image/*");? ? ? i.setAction(Intent.ACTION_GET_CONTENT);? ? ? startActivityForResult(i,11);

打開錄音機

Intent mi =newIntent(Media.RECORD_SOUND_ACTION);? startActivity(mi);

16.顯示應用詳細列表

Uri uri =Uri.parse("market://details?id=app_id");? ? ? ? Intent it =newIntent(Intent.ACTION_VIEW,uri);? ? ? ? startActivity(it);//where app_id is the application ID, findthe ID//by clicking on your application on Markethome//page, and notice the ID from the addressbar剛才找app id未果，結果發現用packagename也可以 Uri uri =Uri.parse("market://details?id="); 這個簡單多了

17尋找應用

Uri uri =Uri.parse("market://search?q=pname:pkg_name");? ? ? ? Intent it =newIntent(Intent.ACTION_VIEW,uri);? ? ? ? startActivity(it);//where pkg_name is the full package pathfor an application

18打開聯系人列表

<1>? ? ? ? ? ? ? ? Intent i =newIntent();? ? ? i.setAction(Intent.ACTION_GET_CONTENT);? ? ? i.setType("vnd.android.cursor.item/phone");? ? ? startActivityForResult(i, REQUEST_TEXT);? ? ? <2>? ? ? Uri uri = Uri.parse("content://contacts/people");? ? ? Intent it =newIntent(Intent.ACTION_PICK, uri);? ? ? startActivityForResult(it, REQUEST_TEXT);

19 打開另一程序

Intent i =newIntent();? ? ? ComponentName cn = newComponentName("com.yellowbook.android2","com.yellowbook.android2.AndroidSearch");? ? ? i.setComponent(cn);? ? ? i.setAction("android.intent.action.MAIN");? ? ? startActivityForResult(i, RESULT_OK);

20.調用系統編輯添加聯系人（高版本SDK有效）：

Intent it = newIntent(Intent.ACTION_INSERT_OR_EDIT);? ? ? ? ? it.setType("vnd.android.cursor.item/contact");//it.setType(Contacts.CONTENT_ITEM_TYPE);it.putExtra("name","myName");? ? ? ? ? it.putExtra(android.provider.Contacts.Intents.Insert.COMPANY,"organization");? ? ? ? ? it.putExtra(android.provider.Contacts.Intents.Insert.EMAIL,"email");? ? ? ? ? ? it.putExtra(android.provider.Contacts.Intents.Insert.PHONE,"homePhone");? ? ? ? ? ? it.putExtra(android.provider.Contacts.Intents.Insert.SECONDARY_PHONE,"mobilePhone");? ? ? ? ? ? it.putExtra(? android.provider.Contacts.Intents.Insert.TERTIARY_PHONE,"workPhone");? ? ? ? ? it.putExtra(android.provider.Contacts.Intents.Insert.JOB_TITLE,"title");? ? ? ? ? ? startActivity(it);

21.調用系統編輯添加聯系人（全有效）：

Intent intent = newIntent(Intent.ACTION_INSERT_OR_EDIT);? ? ? intent.setType(People.CONTENT_ITEM_TYPE);? ? ? intent.putExtra(Contacts.Intents.Insert.NAME,"My Name");? ? ? intent.putExtra(Contacts.Intents.Insert.PHONE,"+1234567890");? ? ? intent.putExtra(Contacts.Intents.Insert.PHONE_TYPE,Contacts.PhonesColumns.TYPE_MOBILE);? ? ? intent.putExtra(Contacts.Intents.Insert.EMAIL,"com@com.com");? ? ? intent.putExtra(Contacts.Intents.Insert.EMAIL_TYPE,? ? ? ? ? ? ? ? ? ? Contacts.ContactMethodsColumns.TYPE_WORK);? ? ? startActivity(intent);

★intent action大全：

android.intent.action.ALL_APPS

android.intent.action.ANSWER

android.intent.action.ATTACH_DATA

android.intent.action.BUG_REPORT

android.intent.action.CALL

android.intent.action.CALL_BUTTON

android.intent.action.CHOOSER

android.intent.action.CREATE_LIVE_FOLDER

android.intent.action.CREATE_SHORTCUT

android.intent.action.DELETE

android.intent.action.DIAL

android.intent.action.EDIT

android.intent.action.GET_CONTENT

android.intent.action.INSERT

android.intent.action.INSERT_OR_EDIT

android.intent.action.MAIN

android.intent.action.MEDIA_SEARCH

android.intent.action.PICK

android.intent.action.PICK_ACTIVITY

android.intent.action.RINGTONE_PICKER

android.intent.action.RUN

android.intent.action.SEARCH

android.intent.action.SEARCH_LONG_PRESS

android.intent.action.SEND

android.intent.action.SENDTO

android.intent.action.SET_WALLPAPER

android.intent.action.SYNC

android.intent.action.SYSTEM_TUTORIAL

android.intent.action.VIEW

android.intent.action.VOICE_COMMAND

android.intent.action.WEB_SEARCH

android.net.wifi.PICK_WIFI_NETWORK

android.settings.AIRPLANE_MODE_SETTINGS

android.settings.APN_SETTINGS

android.settings.APPLICATION_DEVELOPMENT_SETTINGS

android.settings.APPLICATION_SETTINGS

android.settings.BLUETOOTH_SETTINGS

android.settings.DATA_ROAMING_SETTINGS

android.settings.DATE_SETTINGS

android.settings.DISPLAY_SETTINGS

android.settings.INPUT_METHOD_SETTINGS

android.settings.INTERNAL_STORAGE_SETTINGS

android.settings.LOCALE_SETTINGS

android.settings.LOCATION_SOURCE_SETTINGS

android.settings.MANAGE_APPLICATIONS_SETTINGS

android.settings.MEMORY_CARD_SETTINGS

android.settings.NETWORK_OPERATOR_SETTINGS

android.settings.QUICK_LAUNCH_SETTINGS

android.settings.SECURITY_SETTINGS

android.settings.SETTINGS

android.settings.SOUND_SETTINGS

android.settings.SYNC_SETTINGS

android.settings.USER_DICTIONARY_SETTINGS

android.settings.WIFI_IP_SETTINGS

android.settings.WIFI_SETTINGS

android.settings.WIRELESS_SETTINGS

http://segmentfault.com/a/1190000000646719