Android open various files (setDataAndType)

Android open various files (setDataAndType)

Java code /**

* Open a file

* @ Param file

*/

Private void openFile (File file ){

Intent intent = new Intent ();

Intent. addFlags (Intent. FLAG_ACTIVITY_NEW_TASK );

// Set the intent Action attribute

Intent. setAction (Intent. ACTION_VIEW );

// Obtain the MIME type of the file

String type = getMIMEType (file );

// Set the data and Type attributes of intent.

Intent. setDataAndType (/* uri */Uri. fromFile (file), type );

// Jump

StartActivity (intent); // try it here, and an error may be reported. // For example, if your MIME type is to open the mailbox, but the mailbox client is not installed on your mobile phone, an error will be reported.

}

/**

* Obtain the corresponding MIME type based on the file suffix.

* @ Param file

*/

Private String getMIMEType (File file ){

String type = "*/*";

String fName = file. getName ();

// Obtain the position of the separator "." Before the Suffix in fName.

Int dotIndex = fName. lastIndexOf (".");

If (dotIndex <0 ){

Return type;

}

/* Get the file suffix */

String end = fName. substring (dotIndex, fName. length (). toLowerCase ();

If (end = "") return type;

// Find the corresponding MIME type in the MIME-object type matching table.

For (int I = 0; I if (end. equals (MIME_MapTable [I] [0])

Type = MIME_MapTable [I] [1];

}

Return type;

}

MIME_MapTable is a String array of the MIME type corresponding to the suffix of all files:

Java code private final String [] [] MIME_MapTable = {

// {Suffix, MIME type}

{". 3gp", "video/3gpp "},

{". Apk", "application/vnd. android. package-archive "},

{". Asf", "video/x-ms-asf "},

{". Avi", "video/x-msvideo "},

{". Bin", "application/octet-stream "},

{". Bmp", "image/bmp "},

{". C", "text/plain "},

{". Class", "application/octet-stream "},

{". Conf", "text/plain "},

{". Cpp", "text/plain "},

{". Doc", "application/msword "},

{". Docx", "application/vnd.openxmlformats-officedocument.wordprocessingml.doc ument "},

{". Xls", "application/vnd. ms-excel "},

{". Xlsx", "application/vnd. openxmlformats-officedocument.spreadsheetml.sheet "},

{". Exe", "application/octet-stream "},

{". Gif", "image/gif "},

{". Gtar", "application/x-gtar "},

{". Gz", "application/x-gzip "},

{". H", "text/plain "},

{". Htm", "text/html "},

{". Html", "text/html "},

{". Jar", "application/java-archive "},

{". Java", "text/plain "},

{". Jpeg", "image/jpeg "},

{". Jpg", "image/jpeg "},

{". Js", "application/x-javascript "},

{". Log", "text/plain "},

{". M3u", "audio/x-mpegurl "},

{". M4a", "audio/mp4a-latm "},

{". M4b", "audio/mp4a-latm "},

{". M4p", "audio/mp4a-latm "},

{". M4u", "video/vnd. mpegurl "},

{". M4v", "video/x-m4v "},

{". Mov", "video/quicktime "},

{". Mp2", "audio/x-mpeg "},

{". Mp3", "audio/x-mpeg "},

{". Mp4", "video/mp4 "},

{". Mpc", "application/vnd. mpohun. certificate "},

{". Mpe", "video/mpeg "},

{". Mpeg", "video/mpeg "},

{". Mpg", "video/mpeg "},

{". Mpg4", "video/mp4 "},

{". Mpga", "audio/mpeg "},

{". Msg", "application/vnd. ms-outlook "},

{". Ogg", "audio/ogg "},

{". Pdf", "application/pdf "},

{". Png", "image/png "},

{". Pps", "application/vnd. ms-powerpoint "},

{". Ppt", "application/vnd. ms-powerpoint "},

{". Pptx", "application/vnd. openxmlformats-officedocument.presentationml.presentation "},

{". Prop", "text/plain "},

{". Rc", "text/plain "},

{". Rmvb", "audio/x-pn-realaudio "},

{". Rtf", "application/rtf "},

{". Sh", "text/plain "},

{". Tar", "application/x-tar "},

{". Tgz", "application/x-compressed "},

{". Txt", "text/plain "},

{". Wav", "audio/x-wav "},

{". Wma", "audio/x-ms-wma "},

{". Wmv", "audio/x-ms-wmv "},

{". Wps", "application/vnd. ms-works "},

{". Xml", "text/plain "},

{". Z", "application/x-compress "},

{". Zip", "application/x-zip-compressed "},

{"","*/*"}

};

This MIME type may not be complete. Do you want to add it?

Certificate certificate ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

1. Intent open a picture file public:

Java code

 

Intentintent = newIntent ("android. intent. action. VIEW ");

Intent. addCategory ("android. intent. category. DEFAULT ");

Intent. addFlags (Intent. FLAG_ACTIVITY_NEW_TASK );

Uriuri = Uri. fromFile (new

File ("/mnt/sdcard/images/001010980.jpg "));

Intent. setDataAndType (uri, "image /*");

This. startActivity (intent );

2. Intent to open a PDF file:

Java code

 

Intentintent = newIntent ("android. intent. action. VIEW ");

Intent. addCategory ("android. intent. category. DEFAULT ");

Intent. addFlags (Intent. FLAG_ACTIVITY_NEW_TASK );

Uriuri = Uri. fromFile (new

File ("file: // android_asset/helphelp.pdf "));

Intent. setDataAndType (uri, "application/pdf ");

This. startActivity (intent );

3. Intent to open a text file:

Java code

 

Intentintent = newIntent ("android. intent. action. VIEW ");

Intent. addCategory ("android. intent. category. DEFAULT ");

Intent. addFlags (Intent. FLAG_ACTIVITY_NEW_TASK );

If (paramBoolean)

{

Uriuri1 = Uri. parse (param );

Intent. setDataAndType (URI1, "text/plain ");

}

Else

{

Uriuri = Uri. fromFile (newFile ("/mnt/sdcard/hello.txt "));

Intent. setDataAndType (URI2, "text/plain ");

}

This. startActivity (intent );

4. Intent to open the audio file:

Java code

 

Intentintent = newIntent ("android. intent. action. VIEW ");

Intent. addFlags (Intent. FLAG_ACTIVITY_CLEAR_TOP );

Intent. putExtra ("oneshot", 0 );

Intent. putExtra ("configchange", 0 );

Uriuri = Uri. fromFile (newFile ("/mnt/sdcard/renew "));

Intent. setDataAndType (uri, "audio /*");

This. startActivity (intent );

5. Intent to open the video file:

Java code

 

Intentintent = newIntent ("android. intent. action. VIEW ");

Intent. addFlags (Intent. FLAG_ACTIVITY_CLEAR_TOP );

Intent. putExtra ("oneshot", 0 );

Intent. putExtra ("configchange", 0 );

Uriuri = Uri. fromFile (newFile ("/mnt/sdcard/ice. avi "));

Intent. setDataAndType (uri, "video /*");

This. startActivity (intent );

6. Intent to open the CHM file:

Java code

 

Intentintent = newIntent ("android. intent. action. VIEW ");

Intent. addCategory ("android. intent. category. DEFAULT ");

Intent. addFlags (Intent. FLAG_ACTIVITY_NEW_TASK );

Uriuri = Uri. fromFile (newFile ("/mnt/sdcard/ice. chm "));

Intent. setDataAndType (uri, "application/x-chm ");

This. startActivity (intent );

7. Intent to open a Word document:

Java code

 

Intentintent = newIntent ("android. intent. action. VIEW ");

Intent. addCategory ("android. intent. category. DEFAULT ");

Intent. addFlags (Intent. FLAG_ACTIVITY_NEW_TASK );

Uriuri = Uri. fromFile (newFile ("/system/etc/help.doc "));

Intent. setDataAndType (uri, "application/msword ");

This. startActivity (intent );

8. Android Excel intent:

Java code

 

Intentintent = newIntent ("android. intent. action. VIEW ");

Intent. addCategory ("android. intent. category. DEFAULT ");

Intent. addFlags (Intent. FLAG_ACTIVITY_NEW_TASK );

Uriuri = Uri. fromFile (newFile ("/mnt/sdcard/Book1.xls "));

Intent. setDataAndType (uri, "application/vnd. ms-excel ");

This. startActivity (intent );

9. Intent to open the PPT file:

Java code

 

Intentintent = newIntent ("android. intent. action. VIEW ");

Intent. addCategory ("android. intent. category. DEFAULT ");

Intent. addFlags (Intent. FLAG_ACTIVITY_NEW_TASK );

Uriuri = Uri. fromFile (new

File ("/mnt/sdcard/download/Android_PPT.ppt "));

Intent. setDataAndType (uri, "application/vnd. ms-powerpoint ");

This. startActivity (intent );

10. Display Html page ::

Java code

 

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

Intentintent = newIntent (Intent. ACTION_VIEW, uri );

This. startActivity (intent );

11. Show map:

Java code

 

Uriuri = Uri. parse ("geo: 38.899533,-77.036476 ");

Intentintent = newIntent (Intent. Action_VIEW, uri );

This. startActivity (intent );

12. Call the dialer:

Java code

 

Uriuri = Uri. parse ("tel: xxxxxx ");

Intentintent = newIntent (Intent. ACTION_DIAL, uri );

This. startActivity (intent );

13. Call:

Java code

 

Uriuri = Uri. parse ("tel: xxxxxx ");

Intentit = newIntent (Intent. ACTION_CALL, uri );

This. startActivity (intent );

/* Permission:

*/

14. Call to send text messages of the program:

Java code

 

Intentintent = newIntent (Intent. ACTION_VIEW );

Intent. putExtra ("sms_body", "TheSMStext ");

Intent. setType ("vnd. android-dir/mms-sms ");

This. startActivity (intent );

15. Send SMS:

Java code

 

Url = Uri. parse ("smsto: 0800000123 ");

Intentintent = newIntent (Intent. ACTION_SENDTO, uri );

Intent. putExtra ("sms_body", "TheSMStext ");

This. startActivity (intent );

16. Send MMS:

Java code

 

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

Intentintent = newIntent (Intent. ACTION_SEND );

Intent. putExtra ("sms_body", "sometext ");

Intent. putExtra (Intent. EXTRA_STREAM, uri );

Intent. setType ("image/png ");

This. startActivity (intent );

17. Send an Email:

Java code

 

Uriuri = Uri. parse ("mailto: xxx@abc.com ");

Intentintent = newIntent (Intent. ACTION_SENDTO, uri );

This. startActivity (intent );

18. Send an Email with body:

Java code

 

Intentintent = newIntent (Intent. ACTION_SEND );

Intent. putExtra (Intent. EXTRA_EMAIL, "me@abc.com ");

Intent. putExtra (Intent. EXTRA_TEXT, "Theemailbodytext ");

Intent. setType ("text/plain ");

This. startActivity (

Intent. createChooser (intent, "ChooseEmailClient "));

19. Send an Email with body, to, cc:

Java code

 

Intentintent = newIntent (Intent. ACTION_SEND );

String [] tos = {"me@abc.com "};

String [] ccs = {"you@abc.com "};

Intent. putExtra (Intent. EXTRA_EMAIL, tos );

Intent. putExtra (Intent. EXTRA_CC, ccs );

Intent. putExtra (Intent. EXTRA_TEXT, "Theemailbodytext ");

Intent. putExtra (Intent. EXTRA_SUBJECT, "Theemailsubjecttext ");

Intent. setType ("message/rfc822 ");

This. startActivity (

Intent. createChooser (intent, "ChooseEmailClient "));

20. Send an Email with attachments:

Java code

 

Intentintent = newIntent (Intent. ACTION_SEND );

Intent. putExtra (Intent. EXTRA_SUBJECT, "Theemailsubjecttext ");

Intent. putExtra (Intent. EXTRA_STREAM, "file: // sdcard/mysong.mp3 ");

SendIntent. setType ("audio/mp3 ");

This. startActivity (

Intent. createChooser (intent, "ChooseEmailClient "));

21. Uninstall the program:

Java code

 

Uriuri = Uri. fromParts ("package", strPackageName, null );

Intentintent = newIntent (Intent. ACTION_DELETE, uri );

This. startActivity (

Intent. createChooser (intent, "ChooseEmailClient "));

22. Install the apk:

Java code

 

UriinstallUri = Uri. fromParts ("package", "xxx", null );

ReturnIt = newIntent (Intent. ACTION_PACKAGE_ADDED, installUri );

This. startActivity (returnIt );

23. Search applications:

Java code

 

Uriuri = Uri. parse ("market: // search? Q = pname: pkg_name ");

Intentintent = newIntent (Intent. ACTION_VIEW, uri );

This. startActivity (intent );

// Wherepkg_nameisthefullpackagepathforanapplication

24. Google Search Launch Web Browser:

Java code

 

Intentintent = newIntent (Intent. ACTION_WEB_SEARCH );

Stringterm = "Android ";

Intent. putExtra (SearchManager. QUERY, term );

Activity. startActivity (intent );

25. Send text using Intent (to messaging apps ):

Java code

 

Intentintent = newIntent (Intent. ACTION_WEB_SEARCH );

StringmsgBody = "Thisismessage ";

Intentintent = newIntent (android. content. Intent. ACTION_SEND );

Intent. setType ("text/plain ");

Intent. putExtra (android. content. Intent. EXTRA_SUBJECT,

"Messagesubject ");

Intent. putExtra (android. content. Intent. EXTRA_TEXT, msgBody );

Activity. startActivity (Intent. createChooser (intent, getResources ().

GetString (R. string. struct _by_using )));

26. Create Shortcut on "Home Screen ":

Java code

 

Intentintent = newIntent (Intent. ACTION_WEB_SEARCH );

IntenttoPrint = newIntent (this, ancreateshucut. class );

IntentaddShortcut = newIntent

("Com. android. launcher. action. INSTALL_SHORTCUT ");

AddShortcut. putExtra (Intent. EXTRA_SHORTCUT_NAME, "Shutcutname ");

AddShortcut. putExtra (Intent. EXTRA_SHORTCUT_INTENT, toPrint );

AddShortcut. putExtra (Intent. EXTRA_SHORTCUT_ICON_RESOURCE,

Intent. Reset cuticonresource. fromContext (this, R. drawable. icon ));

Manifestfile:

Permission. INSTALL_SHORTCUT ">