androud 最實用的Intent

[代碼] 調用撥號程序
 
1 // 給移動客服10086撥打電話 

2 Uri uri = Uri.parse("tel:10086"); 

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

4 startActivity(intent);

[代碼] 發送短信或彩信
 
01 // 給10086發送內容為“Hello”的短信 

02 Uri uri = Uri.parse("smsto:10086"); 

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

04 intent.putExtra("sms_body", "Hello"); 

05 startActivity(intent); 

06 // 發送彩信（相當於發送帶附件的短信） 

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

08 intent.putExtra("sms_body", "Hello"); 

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

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

11 intent.setType("image/png"); 

12 startActivity(intent);

[代碼] 通過浏覽器打開網頁
 
1 // 打開Google主頁 

2 Uri uri = Uri.parse("http://www.google.com"); 

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

4 startActivity(intent);

[代碼] 發送電子郵件
 
01 // 給[email protected]發郵件 

02 Uri uri = Uri.parse("mailto:[email protected]"); 

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

04 startActivity(intent); 

05 // 給[email protected]發郵件發送內容為“Hello”的郵件 

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

07 intent.putExtra(Intent.EXTRA_EMAIL, "[email protected]"); 

08 intent.putExtra(Intent.EXTRA_SUBJECT, "Subject"); 

09 intent.putExtra(Intent.EXTRA_TEXT, "Hello"); 

10 intent.setType("text/plain"); 

11 startActivity(intent); 

12 // 給多人發郵件 

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

14 String[] tos = {"[email protected]", "[email protected]"}; // 收件人 

15 String[] ccs = {"[email protected]", "[email protected]"}; // 抄送 

16 String[] bccs = {"[email protected]", "[email protected]"}; // 密送 

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

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

19 intent.putExtra(Intent.EXTRA_BCC, bccs); 

20 intent.putExtra(Intent.EXTRA_SUBJECT, "Subject"); 

21 intent.putExtra(Intent.EXTRA_TEXT, "Hello"); 

22 intent.setType("message/rfc822"); 

23 startActivity(intent);

[代碼] 顯示地圖與路徑規劃
 
1 // 打開Google地圖中國北京位置（北緯39.9，東經116.3） 

2 Uri uri = Uri.parse("geo:39.9,116.3"); 

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

4 startActivity(intent); 

5 // 路徑規劃：從北京某地（北緯39.9，東經116.3）到上海某地（北緯31.2，東經121.4） 

6 Uri uri = Uri.parse("http://maps.google.com/maps?f=d&saddr=39.9 116.3&daddr=31.2 121.4"); 

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

8 startActivity(intent);

[代碼] 播放多媒體
 
1 Intent intent = new Intent(Intent.ACTION_VIEW); 

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

3 intent.setDataAndType(uri, "audio/mp3"); 

4 startActivity(intent); 

5   

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

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

8 startActivity(intent);

[代碼] 拍照
 
1 // 打開拍照程序 

2 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);  

3 startActivityForResult(intent, 0); 

4 // 取出照片數據 

5 Bundle extras = intent.getExtras();  

6 Bitmap bitmap = (Bitmap) extras.get("data");

[代碼] 獲取並剪切圖片
 
01 // 獲取並剪切圖片 

02 Intent intent = new Intent(Intent.ACTION_GET_CONTENT); 

03 intent.setType("image/*"); 

04 intent.putExtra("crop", "true"); // 開啟剪切 

05 intent.putExtra("aspectX", 1); // 剪切的寬高比為1：2 

06 intent.putExtra("aspectY", 2); 

07 intent.putExtra("outputX", 20); // 保存圖片的寬和高 

08 intent.putExtra("outputY", 40);  

09 intent.putExtra("output", Uri.fromFile(new File("/mnt/sdcard/temp"))); // 保存路徑 

10 intent.putExtra("outputFormat", "JPEG");// 返回格式 

11 startActivityForResult(intent, 0); 

12 // 剪切特定圖片 

13 Intent intent = new Intent("com.android.camera.action.CROP");  

14 intent.setClassName("com.android.camera", "com.android.camera.CropImage");  

15 intent.setData(Uri.fromFile(new File("/mnt/sdcard/temp")));  

16 intent.putExtra("outputX", 1); // 剪切的寬高比為1：2 

17 intent.putExtra("outputY", 2); 

18 intent.putExtra("aspectX", 20); // 保存圖片的寬和高 

19 intent.putExtra("aspectY", 40); 

20 intent.putExtra("scale", true); 

21 intent.putExtra("noFaceDetection", true);  

22 intent.putExtra("output", Uri.parse("file:///mnt/sdcard/temp"));  

23 startActivityForResult(intent, 0);

[代碼] 打開Google Market
 
1 // 打開Google Market直接進入該程序的詳細頁面 

2 Uri uri = Uri.parse("market://details?id=" + "com.demo.app"); 

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

4 startActivity(intent);

[代碼] 安裝和卸載程序
 
1 Uri uri = Uri.fromParts("package", "com.demo.app", null);   

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

3 startActivity(intent);

[代碼] 進入設置界面
 
1 // 進入無線網絡設置界面（其它可以舉一反三）   

2 Intent intent = new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS);   

3

 作者：liao3841054