Complete summary of Android Intent usage and example code _android

1. Call Dialing Program

To mobile service 10086 call
uri uri = uri.parse ("tel:10086");
Intent Intent = new Intent (intent.action_dial, URI);
StartActivity (Intent);

2. Send SMS or MMS

Send 10086 sms
uri uri = uri.parse ("smsto:10086") with content "Hello";
Intent Intent = new Intent (intent.action_sendto, URI);
Intent.putextra ("Sms_body", "Hello");
StartActivity (intent);
Send MMS (equivalent to send SMS with attachment)
Intent Intent = new Intent (intent.action_send);
Intent.putextra ("Sms_body", "Hello");
Uri uri = uri.parse ("Content://media/external/images/media/23");
Intent.putextra (Intent.extra_stream, URI);
Intent.settype ("Image/png");
StartActivity (Intent);

3. Open Web page through browser

Open the Google homepage
uri uri = uri.parse ("http://www.google.com");
Intent Intent = new Intent (Intent.action_view, URI);
StartActivity (Intent);

4. Send email

//Send mail uri uri = uri.parse (" mailto:someone@domain.com ") to someone@domain.com;
Intent Intent = new Intent (intent.action_sendto, URI);
StartActivity (Intent);
Send mail to someone@domain.com Intent Intent = new Intent (intent.action_send) with the content "Hello";
Intent.putextra (Intent.extra_email, "someone@domain.com");
Intent.putextra (Intent.extra_subject, "SUBJECT");
Intent.putextra (Intent.extra_text, "Hello");
Intent.settype ("Text/plain");
StartActivity (Intent);
Email Intent intent=new Intent (intent.action_send) to multiple people; String[] tos = {"1@abc.com", "2@abc.com"}; Recipient string[] CCS = {"3@abc.com", "4@abc.com"}; CC string[] BCCs = {"5@abc.com", "6@abc.com"};
Dense send Intent.putextra (intent.extra_email, TOS);
Intent.putextra (INTENT.EXTRA_CC, CCS);
Intent.putextra (INTENT.EXTRA_BCC, BCCs);
Intent.putextra (Intent.extra_subject, "SUBJECT");
Intent.putextra (Intent.extra_text, "Hello");
Intent.settype ("message/rfc822");
StartActivity (Intent); 

5. Display map and path planning

Open Google Map China Beijing location (latitude 39.9, longitude 116.3)
uri uri = uri.parse ("geo:39.9,116.3");
Intent Intent = new Intent (Intent.action_view, URI);
StartActivity (intent);
Path planning: From Somewhere in Beijing (latitude 39.9, east longitude 116.3) to Shanghai somewhere (latitude 31.2, longitude 121.4)
uri uri = Uri.parse ("http://maps.google.com/maps?f=d& saddr=39.9 116.3&daddr=31.2 121.4 ");
Intent Intent = new Intent (Intent.action_view, URI);
StartActivity (Intent);

6. Play Multimedia

Intent Intent = new Intent (intent.action_view);
Uri uri = uri.parse ("File:///sdcard/foo.mp3");
Intent.setdataandtype (URI, "Audio/mp3");
StartActivity (intent);
 
Uri uri = Uri.withappendedpath (MediaStore.Audio.Media.INTERNAL_CONTENT_URI, "1");
Intent Intent = new Intent (Intent.action_view, URI);
StartActivity (Intent);

7. Take photos

Open the camera program
Intent Intent = new Intent (mediastore.action_image_capture); 
Startactivityforresult (Intent, 0);
Take out the photo data
Bundle extras = Intent.getextras (); 
Bitmap Bitmap = (Bitmap) extras.get ("Data");

8. Get and cut pictures

Get and cut the picture Intent Intent = new Intent (intent.action_get_content);
Intent.settype ("image/*"); Intent.putextra ("Crop", "true"); Open Shear Intent.putextra ("Aspectx", 1);
The shear width-height ratio is 1:2 intent.putextra ("Aspecty", 2); Intent.putextra ("Outputx", 20); 
Save picture width and height intent.putextra ("outputy", 40); Intent.putextra ("Output", Uri.fromfile (New File ("/mnt/sdcard/temp"));
Save path Intent.putextra ("OutputFormat", "JPEG");//return format Startactivityforresult (intent, 0); 
Cut specific picture Intent Intent = new Intent ("Com.android.camera.action.CROP"); 
Intent.setclassname ("Com.android.camera", "com.android.camera.CropImage"); 
Intent.setdata (Uri.fromfile) (New File ("/mnt/sdcard/temp")); Intent.putextra ("Outputx", 1);
The shear width-height ratio is 1:2 intent.putextra ("Outputy", 2); Intent.putextra ("Aspectx", 20);
Save picture width and height intent.putextra ("aspecty", 40);
Intent.putextra ("scale", true); 
Intent.putextra ("Nofacedetection", true); 
Intent.putextra ("Output", Uri.parse ("file:///mnt/sdcard/temp"));
 Startactivityforresult (Intent, 0);

9. Open Google Market

Open Google market directly into the program's detailed page
uri uri = uri.parse ("market://details?id=" + "Com.demo.app");
Intent Intent = new Intent (Intent.action_view, URI);
StartActivity (Intent);

10. Installation and Uninstall procedures

Uri uri = uri.fromparts ("package", "Com.demo.app", null); 
Intent Intent = new Intent (Intent.action_delete, URI); 
StartActivity (Intent);

11. Enter the Setup interface

Enter the wireless network Setup interface (others can be extrapolate) 
Intent Intent = new Intent (Android.provider.Settings.ACTION_WIRELESS_SETTINGS); 
Startactivityforresult (Intent, 0);

The above is to the Android Intent data collation, follow-up continue to supplement the relevant information, thank you for your support of this site!