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Update the Notepad sample app to:

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1. Show that any application state should be saved in onStop() versus
   onPause().
2. Remove the deprecated methods and start using CursorLoader instead
   of any managedQuery.
3. Remove deprecated LiveFolders usage.

Change-Id: I65be6b91ee1d4d0980494fb8455ce0906691dc21
This commit is contained in:
Nasir Khan
2016-11-13 21:43:38 -08:00
parent fb01ea0180
commit 3468e63e12
7 changed files with 265 additions and 398 deletions
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37
samples/NotePad/src/com/example/android/notepad/NotePadProvider.java
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@@ -70,11 +70,6 @@ public class NotePadProvider extends ContentProvider implements PipeDataWriter<C
*/
private static HashMap<String, String> sNotesProjectionMap;
/**
* A projection map used to select columns from the database
*/
private static HashMap<String, String> sLiveFolderProjectionMap;
/**
* Standard projection for the interesting columns of a normal note.
*/
@@ -96,9 +91,6 @@ public class NotePadProvider extends ContentProvider implements PipeDataWriter<C
// The incoming URI matches the Note ID URI pattern
private static final int NOTE_ID = 2;
// The incoming URI matches the Live Folder URI pattern
private static final int LIVE_FOLDER_NOTES = 3;
/**
* A UriMatcher instance
*/
@@ -126,10 +118,6 @@ public class NotePadProvider extends ContentProvider implements PipeDataWriter<C
// to a note ID operation
sUriMatcher.addURI(NotePad.AUTHORITY, "notes/#", NOTE_ID);
// Add a pattern that routes URIs terminated with live_folders/notes to a
// live folder operation
sUriMatcher.addURI(NotePad.AUTHORITY, "live_folders/notes", LIVE_FOLDER_NOTES);
/*
* Creates and initializes a projection map that returns all columns
*/
@@ -155,20 +143,6 @@ public class NotePadProvider extends ContentProvider implements PipeDataWriter<C
sNotesProjectionMap.put(
NotePad.Notes.COLUMN_NAME_MODIFICATION_DATE,
NotePad.Notes.COLUMN_NAME_MODIFICATION_DATE);
/*
* Creates an initializes a projection map for handling Live Folders
*/
// Creates a new projection map instance
sLiveFolderProjectionMap = new HashMap<String, String>();
// Maps "_ID" to "_ID AS _ID" for a live folder
sLiveFolderProjectionMap.put(LiveFolders._ID, NotePad.Notes._ID + " AS " + LiveFolders._ID);
// Maps "NAME" to "title AS NAME"
sLiveFolderProjectionMap.put(LiveFolders.NAME, NotePad.Notes.COLUMN_NAME_TITLE + " AS " +
LiveFolders.NAME);
}
/**
@@ -278,11 +252,6 @@ public class NotePadProvider extends ContentProvider implements PipeDataWriter<C
uri.getPathSegments().get(NotePad.Notes.NOTE_ID_PATH_POSITION));
break;
case LIVE_FOLDER_NOTES:
// If the incoming URI is from a live folder, chooses the live folder projection.
qb.setProjectionMap(sLiveFolderProjectionMap);
break;
default:
// If the URI doesn't match any of the known patterns, throw an exception.
throw new IllegalArgumentException("Unknown URI " + uri);
@@ -339,7 +308,6 @@ public class NotePadProvider extends ContentProvider implements PipeDataWriter<C
// If the pattern is for notes or live folders, returns the general content type.
case NOTES:
case LIVE_FOLDER_NOTES:
return NotePad.Notes.CONTENT_TYPE;
// If the pattern is for note IDs, returns the note ID content type.
@@ -380,7 +348,6 @@ public class NotePadProvider extends ContentProvider implements PipeDataWriter<C
// If the pattern is for notes or live folders, return null. Data streams are not
// supported for this type of URI.
case NOTES:
case LIVE_FOLDER_NOTES:
return null;
// If the pattern is for note IDs and the MIME filter is text/plain, then return
@@ -635,7 +602,7 @@ public class NotePadProvider extends ContentProvider implements PipeDataWriter<C
throw new IllegalArgumentException("Unknown URI " + uri);
}
/*Gets a handle to the content resolver object for the current context, and notifies it
/* Gets a handle to the content resolver object for the current context, and notifies it
* that the incoming URI changed. The object passes this along to the resolver framework,
* and observers that have registered themselves for the provider are notified.
*/
@@ -728,7 +695,7 @@ public class NotePadProvider extends ContentProvider implements PipeDataWriter<C
throw new IllegalArgumentException("Unknown URI " + uri);
}
/*Gets a handle to the content resolver object for the current context, and notifies it
/* Gets a handle to the content resolver object for the current context, and notifies it
* that the incoming URI changed. The object passes this along to the resolver framework,
* and observers that have registered themselves for the provider are notified.
*/