android-contentprovider

In Android messaging, when click on attach it open the list of content provider like Camera, Gallery, Audio, Video etc . How to open the same list on button click? Like this : Femi What you want is actually a little complex: you need to call a method like this in your Activity private void showAddAttachmentDialog() { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setIcon(R.drawable.ic_dialog_attach); builder.setTitle(R.string.add_attachment); AttachmentTypeSelectorAdapter mAttachmentTypeSelectorAdapter = new AttachmentTypeSelectorAdapter(this,

I know partially about Shared preferences and intents.But i want to know what are shared preferences and content providers in android ? And also what is the basic difference between intents , shared preferences and content providers . Please explain me this. shared preferences are the location where you can store the secret information for your app, like setting cookies in the browser, this can be used for login credentials and other. where as content provider stores and retrieves the data and make it available to other applications also. like suppose you want to access the contacts available

The web and stackoverflow contain several examples how to get a file from another Android app (e.g., to use it as email attachment) using an ACTION_GET_CONTENT intent. But what kind of class do I have to implement to create an application providing content for the ACTION_GET_CONTENT event such as I can choose this app (e.g., for selecting an email attachment). Is a ContentProvider the right solution? And what do I have to add to my AndroidManifest.xml? After some hours of web search I found the following solution. Implement an Activity handling intents. Within, use the following or more

I'm attempting to create a new Playlist , using Android's ContentResolver , that will be added to music player's playlists, but when the code runs, the insert into the playlist returns null (for the Uri ) and when I check the music player's playlists, my new Playlist entry isn't there. I suspect that the reason that the insert() returns null is because I haven't created the Playlist correctly. Could someone clarify how to dynamically create a new playlist, given that my code doesn't work. (In my searching, I've found several way to query playlists, but nothing actually creates a new one) Here