Forgive me if this is a topic that has already been discussed, but
I've searched for hours and can't seem to find the answer I'm looking
for. I'm trying to cut my teeth on Android programming with a simple
file manager app and currently have most all functions working, but I
can't seem to open a selected file with the appropriate app. Here is
my current code:
/
**********************************************************************************************************/
String extension =
MimeTypeMap.getFileExtensionFromUrl((String)label.getText());
String mimeType =
MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
if (mimeType != null &&
MimeTypeMap.getSingleton().hasMimeType(mimeType)) {
try {
File fileToOpen = new File(filePath + "/" + label.getText());
Intent i = new Intent();
i.setAction(android.content.Intent.ACTION_VIEW);
i.setDataAndType(Uri.fromFile(fileToOpen), mimeType);
startActivity(i);
}
catch (Exception e) {
Toast.makeText(this, "Could Not Open File!",
Toast.LENGTH_SHORT).show();
}
} else {
Toast.makeText(this, "Unknown Mime Type", Toast.LENGTH_SHORT).show();
}
/
**********************************************************************************************************/
The strange thing is that I get some rather interesting results with
this code. On my handset, it doesn't seem to want to open doc files at
all, but will open the one xls file I have without a problem in
Docs2Go. Also, when throwing about 10 pdf files at it, it will open 2
of them with no problem but claims "Unknown Mime Type" on the other 8.
Theoretically, this code should find the extension on the file, then
figure out the appropriate MIME type from the extension, then call the
activity handing over the MIME type as an argument, but theory doesn't
seem to be enough to get me through this one. Any suggestions you guys
can make, or tutorials you can point me at would be greatly
appreciated. Thanks!
-Bryan
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