Android is used to open intent of various files)

Import Android. App. activity;

Import Android. content. intent;

Import android.net. Uri;

Import android.net. Uri. Builder;

Import java. Io. file;

Import Android. content. intent;

// Customize the android intent class,

// You can obtain the intent used to open the following files.

// PDF, PPT, Word, Excel, CHM, HTML, text, audio, and video

Example:

// This token can be used for example. APKProgramYou are not authorized to access the asset resource files in other APK files, or is the path incorrect?

 // Intent it = getpdffileintent ("file: // android_asset/helphelp ");

 // The following are all OK

 // Intent it = gethtmlfileintent ("/mnt/sdcard/tutorial.html"); // SD card home directory

// Intent it = gethtmlfileintent ("/sdcard/tutorial.html"); // SD card Home Directory, which can also be

 Intent it = gethtmlfileintent ("/system/etc/tutorial.html"); // etc directory in the system

 // Intent it = getpdffileintent ("/system/etc/helphelp ");

 // Intent it = getwordfileintent ("/system/etc/help.doc ");

 // Intent it = getexcelfileintent ("/mnt/sdcard/book1.xls ")

 // Intent it = getpptfileintent ("/mnt/sdcard/download/android_ppt.ppt"); // download directory of the SD card

 // Intent it = getvideofileintent ("/mnt/sdcard/ice. Avi ");

 // Intent it = getaudiofileintent ("/mnt/sdcard/rename ");

 // Intent it = getimagefileintent ("/mnt/sdcard/images/001020.80.jpg ");

 // Intent it = gettextfileintent ("/mnt/sdcard/hello.txt", false );

 Startactivity (it );

Public class myintent

{

// Android obtains an intent used to open an HTML file.

Public static intent gethtmlfileintent (string PARAM)

{

Uri uri = URI. parse (PARAM). buildupon (). encodedauthority ("com.android.html fileprovider"). Scheme ("content"). encodedpath (PARAM). Build ();

Intent intent = new intent ("android. Intent. Action. View ");

Intent. setdataandtype (Uri, "text/html ");

Return intent;

}

// Android obtains an intent used to open an image file.

Public static intent getimagefileintent (string PARAM)

{

Intent intent = new intent ("android. Intent. Action. View ");

Intent. addcategory ("android. Intent. Category. Default ");

Intent. addflags (intent. flag_activity_new_task );

Uri uri = URI. fromfile (new file (PARAM ));

Intent. setdataandtype (Uri, "image /*");

Return intent;

}

// Android obtains an intent used to open a PDF file.

Public static intent getpdffileintent (string PARAM)

{

Intent intent = new intent ("android. Intent. Action. View ");

Intent. addcategory ("android. Intent. Category. Default ");

Intent. addflags (intent. flag_activity_new_task );

Uri uri = URI. fromfile (new file (PARAM ));

Intent. setdataandtype (Uri, "application/pdf ");

Return intent;

}

// Android obtains an intent used to open a text file.

Public static intent gettextfileintent (string Param, Boolean paramboolean)

 

 

 {

 

 Intent intent = new intent ("android. Intent. Action. View ");

 

 Intent. addcategory ("android. Intent. Category. Default ");

 

 Intent. addflags (intent. flag_activity_new_task );

 

 If (paramboolean)

 

 {

 

 Uri uri1 = URI. parse (PARAM );

 

 Intent. setdataandtype (uri1, "text/plain ");

 

 

 }

 

 Else

 

 {

 

 

 

 Uri uri2 = URI. fromfile (new file (PARAM ));

 

 Intent. setdataandtype (uri2, "text/plain ");

 

 }

 Return intent;

 

 }

// Android obtains an intent used to open the audio file.

Public static intent getaudiofileintent (string PARAM)

{

Intent intent = new intent ("android. Intent. Action. View ");

Intent. addflags (intent. flag_activity_clear_top );

Intent. putextra ("oneshot", 0 );

Intent. putextra ("configchange", 0 );

Uri uri = URI. fromfile (new file (PARAM ));

Intent. setdataandtype (Uri, "audio /*");

Return intent;

}

// Android obtains an intent used to open a video file.

Public static intent getvideofileintent (string PARAM)

{

Intent intent = new intent ("android. Intent. Action. View ");

Intent. addflags (intent. flag_activity_clear_top );

Intent. putextra ("oneshot", 0 );

Intent. putextra ("configchange", 0 );

Uri uri = URI. fromfile (new file (PARAM ));

Intent. setdataandtype (Uri, "Video /*");

Return intent;

}

// Android obtains an intent used to open the CHM File.

Public static intent getchmfileintent (string PARAM)

{

Intent intent = new intent ("android. Intent. Action. View ");

Intent. addcategory ("android. Intent. Category. Default ");

Intent. addflags (intent. flag_activity_new_task );

Uri uri = URI. fromfile (new file (PARAM ));

Intent. setdataandtype (Uri, "application/X-CHM ");

Return intent;

}

// Android obtains an intent used to open a Word file.

Public static intent getwordfileintent (string PARAM)

{

Intent intent = new intent ("android. Intent. Action. View ");

Intent. addcategory ("android. Intent. Category. Default ");

Intent. addflags (intent. flag_activity_new_task );

Uri uri = URI. fromfile (new file (PARAM ));

Intent. setdataandtype (Uri, "application/MSWord ");

Return intent;

}

// Android obtains an intent used to open an Excel file.

Public static intent getexcelfileintent (string PARAM)

{

Intent intent = new intent ("android. Intent. Action. View ");

Intent. addcategory ("android. Intent. Category. Default ");

Intent. addflags (intent. flag_activity_new_task );

Uri uri = URI. fromfile (new file (PARAM ));

Intent. setdataandtype (Uri, "application/vnd. MS-excel ");

Return intent;

}

// Android obtains an intent used to open the pptfile.

Public static intent getpptfileintent (string PARAM)

{

Intent intent = new intent ("android. Intent. Action. View ");

Intent. addcategory ("android. Intent. Category. Default ");

Intent. addflags (intent. flag_activity_new_task );

Uri uri = URI. fromfile (new file (PARAM ));

Intent. setdataandtype (Uri, "application/vnd. MS-PowerPoint ");

Return intent;

}

}