Androud's most useful Intent

[Code] Call the dialup Program
 
1 // call mobile customer service 10086

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

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

4 startActivity (intent );

[Code] send SMS or MMS
 
01 // send a "Hello" text message to 10086

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 // send MMS (equivalent to sending an SMS with an attachment)

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 );

[Code] Open a webpage through a browser
 
1 // open the Google Homepage

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

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

4 startActivity (intent );

[Code] Send email
 
01 // send email to someone@domain.com

02 Uri uri = Uri. parse ("mailto: someone@domain.com ");

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

04 startActivity (intent );

05 // send an email with the content "Hello" to the someone@domain.com

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

07 intent. putExtra (Intent. EXTRA_EMAIL, "someone@domain.com ");

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

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

10 intent. setType ("text/plain ");

11 startActivity (intent );

12 // send emails to multiple users

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

14 String [] tos = {"1@abc.com", "2@abc.com"}; // recipient

15 String [] ccs = {"3@abc.com", "4@abc.com"}; // CC

16 String [] bccs = {"5@abc.com", "6@abc.com"}; // BCC

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 );

[Code] display map and Path Planning
 
1 // open Google map China's Beijing location (latitude 39.9, longitude 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 // Route Planning: from a certain place in Beijing (north latitude 39.9, east longitude 116.3) to a certain place in Shanghai (north latitude 31.2, east longitude 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 );

[Code] Play multimedia
 
1 Intent intent = new Intent (Intent. ACTION_VIEW );

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

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 );

[Code] photographing
 
1 // open the camera program

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

3 startActivityForResult (intent, 0 );

4 // retrieve Photo Data

5 Bundle extras = intent. getExtras ();

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

[Code] Get and cut an image
 
01 // obtain and cut the image

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

03 intent. setType ("image /*");

04 intent. putExtra ("crop", "true"); // enable cut

05 intent. putExtra ("aspectX", 1); // the aspect ratio of the cut is.

06 intent. putExtra ("aspectY", 2 );

07 intent. putExtra ("outputX", 20); // Save the width and height of the image

08 intent. putExtra ("outputY", 40 );

09 intent. putExtra ("output", Uri. fromFile (new File ("/mnt/sdcard/temp"); // save path

10 intent. putExtra ("outputFormat", "JPEG"); // return format

11 startActivityForResult (intent, 0 );

12 // cut a specific image

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); // the aspect ratio of the cut is.

17 intent. putExtra ("outputY", 2 );

18 intent. putExtra ("aspectX", 20); // Save the width and height of the image

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 );

[Code] Open Google Market
 
1 // Open Google Market and directly go to the detailed page of the program

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

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

4 startActivity (intent );

[Code] install and uninstall a program
 
1 Uri uri = Uri. fromParts ("package", "com. demo. app", null );

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

3 startActivity (intent );

[Code] Go to the settings page
 
1 // enter the wireless network settings page (you can refer to the other steps)

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

3

Author: liao3838554