Hi Casey,
Thanks for your reply.
I've tried the concept. I got one issue as "Source not found".
My coding are as follows:
==================
*DataProvider.java*
============
package com.aspire.android.owncontentprovider;
import android.content.ContentProvider;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.net.Uri;
import android.util.Log;
public class DataProvider extends ContentProvider {
private static final String DATABASE_NAME="bus.db";
private static final int DATABASE_VERSION=2;
private static final String STATION_TABLE_NAME="station";
private static class DatabaseHelper extends
SQLiteOpenHelper{
DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, DATABASE_VERSION);
// TODO Auto-generated constructor stub
}
@Override
public void onCreate(SQLiteDatabase db) {
// TODO Auto-generated method stub
db.execSQL("CREATE TABLE "+STATION_TABLE_NAME+"(" + "s_id" +
"TEXT, "+" s_name "+" TEXT " + ");");
String sql_1="insert into "+STATION_TABLE_NAME+"(s_id,s_name)
values('1','hcz');";
String sql_2="insert into "+STATION_TABLE_NAME+"(s_id,s_name)
values('2','lsdx');";
String sql_3="insert into "+STATION_TABLE_NAME+"(s_id,s_name)
values('3','xal');";
try {
db.execSQL(sql_1);
db.execSQL(sql_2);
db.execSQL(sql_3);
} catch (SQLException e) {
Log.e("ERROR",e.toString());
}
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int
newVersion) {
Log.w("Data Provider Application : ", "Upgrading database from
version " + oldVersion + " to "
+ newVersion + ", which will destroy all old data");
db.execSQL("DROP TABLE IF EXISTS notes");
onCreate(db);
}
}
private DatabaseHelper mOpenHelper;
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
// TODO Auto-generated method stub
return 0;
}
@Override
public String getType(Uri uri) {
// TODO Auto-generated method stub
return null;
}
@Override
public Uri insert(Uri uri, ContentValues values) {
// TODO Auto-generated method stub
return uri;
}
@Override
public boolean onCreate() {
// TODO Auto-generated method stub
mOpenHelper = new DatabaseHelper(getContext());
return true;
}
@Override
public Cursor query(Uri uri, String[] projection, String selection,
String[] selectionArgs, String sortOrder) {
// Get the database and run the query
SQLiteDatabase db = mOpenHelper.getReadableDatabase();
Cursor c = db.query(STATION_TABLE_NAME,projection,
null,null,null,null,null);
return c;
}
@Override
public int update(Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
// TODO Auto-generated method stub
return 0;
}
}
*Data.java*
=======
*
package* com.aspire.android.owncontentprovider;
*
import* java.util.ArrayList;
*
import* java.util.HashMap;
*
import* java.util.Map;
*
import* android.app.ListActivity;
*
import* android.content.Intent;
*
import* android.database.Cursor;
*
import* android.net.Uri;
*
import* android.os.Bundle;
*
import* android.view.View;
*
import* android.widget.ListView;
*
import* android.widget.SimpleAdapter;
*
public* *class* Data *extends* ListActivity {
*public* *static* *final* String *AUTHORITY*=
"com.aspire.android.owncontentprovider.dataprovider";
*public* *static* *final* Uri *CONTENT_URI*=Uri.*parse*("content://"+*
AUTHORITY*+"/station");
*private* *static* *final* String [] *PROJECTION*=*new* String []{
"s_id","s_name"};
// private static final String [] PROJECTION=new String []{"title","body"};
@Override
*protected* *void* onCreate(Bundle savedInstanceState) {
*super*.onCreate(savedInstanceState);
//Return the intent that started this activity.
Intent intent=getIntent();
*if*(intent.getData()==*null*)
intent.setData(*CONTENT_URI*);
Cursor cur=getContentResolver().query(getIntent().getData(),*PROJECTION*,*
null*,*null*,*null*);
//int rows = cur.getCount();
// Log.i("No of Rows : ", "");
ArrayList<Map<String,Object>> coll =*new* ArrayList<Map<String,Object>>();
Map<String,Object>item;
cur.moveToFirst();
*while*(!cur.isAfterLast()){
item=*new* HashMap<String, Object>();
item.put("c1",cur.getString(1)+","+cur.getString(2));
coll.add(item);
cur.moveToNext();
}
*this*.setListAdapter(*new* SimpleAdapter(*this*,coll,android.R.layout.*
simple_list_item_1*,*new* String[]{"c1"},*new* *int*[]{
android.R.id.*text1*}));
}
@Override
*protected* *void* onListItemClick(ListView l, View v, *int* position, *long
* id) {
// super.onListItemClick(l, v, position, id);
finish();
}
}
*AndroidManifest.java*
**
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android";
package="com.aspire.android.owncontentprovider"
android:versionCode="1"
android:versionName="1.0.0">
<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.CALL_PHONE" />
<application android:icon="@drawable/icon" android:label="@string/app_name">
<!-- <activity android:name=".Contacts" android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>* (Accessing the existing Content Provider)*
</activity> -->
<activity android:name=".Data"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category
android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<provider android:name="DataProvider"
android:authorities="com.aspire.android.owncontentprovider.dataprovider">
</provider>
</application>
</manifest>
these are my code, I've attached my application directory structure.
I got error in Data.java(See the file to get the error line) as "Source not
found". ie, cur = null.
. I've referred the following documentation
http://code.google.com/android/devel/data/contentproviders.html
I want to know in which place the* bus.db* & table(*station*) were created.
Since, If we give the *authority* in *Manifest* & *Data.jave* file then we
are able to get the output.
Please help me... I've tried many ways but I can't get...
But I'm able to access the bulit-in content provider (Eg:
content://contacts/people).
Thanks for your time ...
Thanks again!!
Yasmin
On Wed, Nov 19, 2008 at 7:29 PM, Casey Link <[EMAIL PROTECTED]>wrote:
>
> This isn't how a public forum for developer communication works.
>
> You post a specific problem, demonstrate the solutions you have tried,
> then ask for help. If you want something done entirely for you, put
> out an advertisement to hire someone that will work for money.
>
> Also, I suggest googling "content provider android"
>
> Good luck,
> Casey
>
> On Wed, Nov 19, 2008 at 5:19 AM, yasmin afrose <[EMAIL PROTECTED]>
> wrote:
> > Hi,
> >
> > No body is there aa...
> >
> > Please help me to create content provider for our application...
> >
> > I can't wait for your answers :(
> >
> > Thanks for your time...
> >
> >
> > On Wed, Nov 19, 2008 at 2:36 PM, yasmin afrose <[EMAIL PROTECTED]>
> > wrote:
> >>
> >> Hi,
> >>
> >> Anybody knows Content Provider concept in Android.
> >>
> >> Please reply me..
> >>
> >> Thanks in advance!!!
> >> Yasmin
> >> --
> >> Everything is Possible For U only
> >
> >
> >
> > --
> > Everything is Possible For U only
> >
> > >
> >
>
> >
>
--
Everything is Possible For U only
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