Hi Guys,
I have created a ContentProvider as explained in Notepad example.
But I am getting the below errors when i am trying to access the content
Provider in my TestActivity.
*ERROR LOGS :*
*"I/ActivityManager( 569): Start proc com.example.contactprofile for
activity com.example.contactprofile/.TestContactProfileCP: pid=1659
uid=10027 gids={}
D/AndroidRuntime( 1652): Shutting down VM
D/dalvikvm( 1652): DestroyJavaVM waiting for non-daemon threads to exit
D/dalvikvm( 1652): DestroyJavaVM shutting VM down
D/dalvikvm( 1652): HeapWorker thread shutting down
D/dalvikvm( 1652): HeapWorker thread has shut down
D/jdwp ( 1652): JDWP shutting down net...
D/jdwp ( 1652): +++ peer disconnected
I/dalvikvm( 1652): Debugger has detached; object registry had 1 entries
D/dalvikvm( 1652): VM cleaning up
D/dalvikvm( 1652): LinearAlloc 0x0 used 639228 of 4194304 (15%)
I/jdwp ( 1659): received file descriptor 10 from ADB
E/ActivityThread( 1659): Failed to find provider info for
com.example.provider.contactprofile
I/ActivityManager( 569): Displayed activity
com.example.contactprofile/.TestContactProfileCP: 569 ms"*
*Here is my Code snippet ...*
*Manifest.xml*
<provider android:name=".ContactProfileContentProvider"
android:authorities="com.example.contactprofile" />
*My ContentProvider Class is :*
package com.example.contactprofile;
public class ContactProfileContentProvider extends ContentProvider
{
public static final Uri CONTENT_URI = Uri
.parse("content://com.example.provider.contactprofile/contactprofiles");
// Create the constants used to differentiate between the different URI
// requests.
private static final int PROFILES = 1;
private static final int PROFILE_ID = 2;
private static final UriMatcher uriMatcher;
// Allocate the UriMatcher object, where a URI ending in
‘contactprofiles’
// will correspond to a request for all earthquakes, and
‘contactprofiles’
// with a trailing ‘/[rowID]’ will represent a single contact profile
row.
static {
uriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
uriMatcher.addURI("com.example.provider.ContactProfile",
"contactprofiles", PROFILES);
uriMatcher.addURI("com.example.provider.ContactProfile",
"contactprofiles/#", PROFILE_ID);
}
// The underlying database
private SQLiteDatabase contactProfileDB;
private static final String TAG = "ContactProfileContentProvider";
private static final String DATABASE_NAME = "ContactProfiles.db";
private static final int DATABASE_VERSION = 2;
private static final String PROFILE_TABLE = "contactprofile";
// Column Names
public static final String PID = "_id";
public static final String CONTACT_ID = "contact_id";
public static final String FIRST_NAME = "fname";
public static final String LAST_NAME = "lname";
private static final String DATABASE_CREATE = "create table "
+ PROFILE_TABLE + " ("
+ PID + " INTEGER PRIMARY KEY AUTOINCREMENT, " + CONTACT_ID
+ " INTEGER NOT NULl, " + FIRST_NAME + " TEXT, " + LAST_NAME
+ " TEXT);";
@Override
public boolean onCreate() {
Log.d(TAG, " Entering onCreate () ..."); // This Log is not printing
at all
db.execSQL(DATABASE_CREATE);
}
*** In my Test activity am calling the above ContentProvider as below :
Cursor cursor = managedQuery(ContactProfileContentProvider.CONTENT_URI,
projection, // Which columns to
return
null, // Which rows to return (all
rows)
null, // Selection arguments (none)
null);
But here the null cursor object is being returned.
Can any one tell me where i am wrong.
What are the conditions to make "onCreate()" to be called when my Activity
is launching?
Your help is highly apreciated.
Thanks,
Ratnakar A.
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