jadomican.a4thyearproject.data

Class UserDetailsContentProvider

java.lang.Object

android.content.ContentProvider

jadomican.a4thyearproject.data.UserDetailsContentProvider

All Implemented Interfaces:

android.content.ComponentCallbacks, android.content.ComponentCallbacks2

public class UserDetailsContentProvider
extends android.content.ContentProvider

The Content Provider for the internal user-detail database

Nested Class Summary

Nested classes/interfaces inherited from class android.content.ContentProvider

android.content.ContentProvider.PipeDataWriter<T>

Field Summary

Fields inherited from interface android.content.ComponentCallbacks2

TRIM_MEMORY_BACKGROUND, TRIM_MEMORY_COMPLETE, TRIM_MEMORY_MODERATE, TRIM_MEMORY_RUNNING_CRITICAL, TRIM_MEMORY_RUNNING_LOW, TRIM_MEMORY_RUNNING_MODERATE, TRIM_MEMORY_UI_HIDDEN

Constructor Summary

Constructors

Constructor and Description
UserDetailsContentProvider()

Method Summary

Modifier and Type	Method and Description
int	delete(android.net.Uri uri, java.lang.String selection, java.lang.String[] selectionArgs) Delete one or more records from the SQLite database.
java.lang.String	getType(android.net.Uri uri) The content provider must return the content type for its supported URIs.
android.net.Uri	insert(android.net.Uri uri, android.content.ContentValues values) Insert a new record into the database.
boolean	onCreate() Part of the Content Provider interface.
android.database.Cursor	query(android.net.Uri uri, java.lang.String[] projection, java.lang.String selection, java.lang.String[] selectionArgs, java.lang.String sortOrder) Query for a (number of) records.
int	update(android.net.Uri uri, android.content.ContentValues values, java.lang.String selection, java.lang.String[] selectionArgs) Part of the ContentProvider implementation.

Methods inherited from class android.content.ContentProvider

applyBatch, attachInfo, bulkInsert, call, canonicalize, dump, getCallingPackage, getContext, getPathPermissions, getReadPermission, getStreamTypes, getWritePermission, isTemporary, onConfigurationChanged, onLowMemory, onTrimMemory, openAssetFile, openAssetFile, openFile, openFile, openFileHelper, openPipeHelper, openTypedAssetFile, openTypedAssetFile, query, query, refresh, setPathPermissions, setReadPermission, setWritePermission, shutdown, uncanonicalize

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UserDetailsContentProvider

public UserDetailsContentProvider()

Method Detail

onCreate

public boolean onCreate()

Part of the Content Provider interface. The system calls onCreate() when it starts up the provider. You should only perform fast-running initialization tasks in this method. Defer database creation and data loading until the provider actually receives a request for the data. This runs on the UI thread.

Specified by:

onCreate in class android.content.ContentProvider

Returns:

true if the provider was successfully loaded; false otherwise

query

@Nullable
public android.database.Cursor query(@NonNull
                                                android.net.Uri uri,
                                                @Nullable
                                                java.lang.String[] projection,
                                                @Nullable
                                                java.lang.String selection,
                                                @Nullable
                                                java.lang.String[] selectionArgs,
                                                @Nullable
                                                java.lang.String sortOrder)

Query for a (number of) records.

Specified by:

query in class android.content.ContentProvider

Parameters:

uri - The URI to query

projection - The fields to return

selection - The WHERE clause

selectionArgs - Any arguments to the WHERE clause

sortOrder - the sort order for the returned records

Returns:

a Cursor that can iterate over the results

getType

@Nullable
public java.lang.String getType(@NonNull
                                           android.net.Uri uri)

The content provider must return the content type for its supported URIs. The supported URIs are defined in the UriMatcher and the types are stored in the UserDetailsContentContract.

Specified by:

getType in class android.content.ContentProvider

Parameters:

uri - the URI for typing

Returns:

the type of the URI

insert

@Nullable
public android.net.Uri insert(@NonNull
                                         android.net.Uri uri,
                                         @Nullable
                                         android.content.ContentValues values)

Insert a new record into the database.

Specified by:

insert in class android.content.ContentProvider

Parameters:

uri - the base URI to insert at (must be a directory-based URI)

values - the values to be inserted

Returns:

the URI of the inserted item

delete

public int delete(@NonNull
                  android.net.Uri uri,
                  @Nullable
                  java.lang.String selection,
                  @Nullable
                  java.lang.String[] selectionArgs)

Delete one or more records from the SQLite database.

Specified by:

delete in class android.content.ContentProvider

Parameters:

uri - the URI of the record(s) to delete

selection - A WHERE clause to use for the deletion

selectionArgs - Any arguments to replace the ? in the selection

Returns:

the number of rows deleted.

update

public int update(@NonNull
                  android.net.Uri uri,
                  @Nullable
                  android.content.ContentValues values,
                  @Nullable
                  java.lang.String selection,
                  @Nullable
                  java.lang.String[] selectionArgs)

Part of the ContentProvider implementation. Updates the record (based on the record URI) with the specified ContentValues

Specified by:

update in class android.content.ContentProvider

Parameters:

uri - The URI of the record(s)

values - The new values for the record(s)

selection - If the URI is a directory, the WHERE clause

selectionArgs - Arguments for the WHERE clause

Returns:

the number of rows updated