Intent的几种用法(转)
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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("http://www.google.com");
- 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);
路径规划:
- Uri uri = Uri.parse("http://maps.google.com/maps?f=dsaddr=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);
- 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);
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);
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);
发送Email
- 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"));
- 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"));
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);
- 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);
uninstall apk
- Uri uninstallUri = Uri.fromParts("package", "xxx", null);
- returnIt = new Intent(Intent.ACTION_DELETE, uninstallUri);
- Uri installUri = Uri.fromParts("package", "xxx", null);
- returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);
- 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"));
- //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
using the following code snippet for searching through Google
- Intent intent = new Intent();
- intent.setAction(Intent.ACTION_WEB_SEARCH);
- intent.putExtra(SearchManager.QUERY,"searchString")
- startActivity(intent);
How to use Intent to send an email, SMS, open a web browser, show map, etc.?
Activity 物件把Intent物件传送给Android,向Android诉说意图,由Android去物色及启动适当的Activity.除了Activity外,我们还可以用Intent物件来启动BoradcastReceiver和Service两个物件。
Intent 應該算是 Andorid 中特有的東西。你可以在 Intent 中,指定要應用程式執行的動作 (view, edit, dial),以及應用程式執行該動作時,所需要的資料。都指定好後,只要透過 startActivity(),Android 系統會自動尋找,最符合你指定要求的應用程式,並喚起執行該應用程式。
不過,這部份的文件還不是很完整。Reference of Available Intents 有列一些。底下是我收集的一些用法,分享出來給有需要的你。有些還沒有實際驗證過,如果發現有錯誤,或有新的用法,也請告訴我。
顯示網頁
- Uri uri = Uri.parse("http://google.com");
- Intent it = new Intent(Intent.ACTION_VIEW, uri);
- startActivity(it);
顯示地圖
- Uri uri = Uri.parse("geo:38.899533,-77.036476");
- Intent it = new Intent(Intent.ACTION_VIEW, uri);
- startActivity(it);
- //其他 geo URI 範例
- //geo:latitude,longitude
- //geo:latitude,longitude?z=zoom
- //geo:0,0?q=my+street+address
- //geo:0,0?q=business+near+city
- //google.streetview:cbll=lat,lng&cbp=1,yaw,,pitch,zoom&mz=mapZoom
路徑規劃
- 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
撥打電話
- //叫出撥號程式
- Uri uri = Uri.parse("tel:0800000123");
- Intent it = new Intent(Intent.ACTION_DIAL, uri);
- startActivity(it);
- //直接打電話出去
- Uri uri = Uri.parse("tel:0800000123");
- Intent it = new Intent(Intent.ACTION_CALL, uri);
- startActivity(it);
- //用這個,要在 AndroidManifest.xml 中,加上
- //<uses-permission id="android.permission.CALL_PHONE" />
傳送 SMS/MMS
- //叫起簡訊程式
- Intent it = new Intent(Intent.ACTION_VIEW);
- it.putExtra("sms_body", "The SMS text");
- it.setType("vnd.android-dir/mms-sms");
- startActivity(it);
- //傳送簡訊
- Uri uri = Uri.parse("smsto:0800000123");
- Intent it = new Intent(Intent.ACTION_SENDTO, uri);
- it.putExtra("sms_body", "The SMS text");
- startActivity(it);
- //傳送 MMS
- 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);
傳送 Email
- 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"));
- 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"));
- //傳送附件檔
- 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"));
播放多媒體
- 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);
Market 相關
- //尋找某個應用程式
- 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
- //顯示某應用程式詳細畫面
- 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
Uninstall 應用程式
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