Android ContentProvider ContactListInsert

InsertActivity.java

package com.ContentProviders.ContactsListInsertContacts;

import course.examples.ContentProviders.ContactsListWithInsDel.R;
import android.accounts.AccountManager;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class InsertActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		// Exit if there are no google accounts
		if (AccountManager.get(this).getAccountsByType("com.google").length == 0)
			finish();

		setContentView(R.layout.main);

		Button insertButton = (Button) findViewById(R.id.insert);
		insertButton.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {

				// Start the DisplayActivity
				
				startActivity(new Intent(InsertActivity.this,
						DisplayActivity.class));

			}
		});
	}
}

package com.ContentProviders.ContactsListInsertContacts;

import course.examples.ContentProviders.ContactsListWithInsDel.R;

import android.accounts.AccountManager;

import android.app.Activity;

import android.content.Intent;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

public class InsertActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

// Exit if there are no google accounts

if (AccountManager.get(this).getAccountsByType("com.google").length == 0)

finish();

setContentView(R.layout.main);

Button insertButton = (Button) findViewById(R.id.insert);

insertButton.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// Start the DisplayActivity

startActivity(new Intent(InsertActivity.this,

DisplayActivity.class));

}

});

}

DisplayActivity.java

package com.ContentProviders.ContactsListInsertContacts;

import java.util.ArrayList;
import java.util.List;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.ListActivity;
import android.app.LoaderManager;
import android.content.ContentProviderOperation;
import android.content.CursorLoader;
import android.content.Loader;
import android.content.OperationApplicationException;
import android.database.Cursor;
import android.os.Bundle;
import android.os.RemoteException;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds.StructuredName;
import android.provider.ContactsContract.Contacts;
import android.provider.ContactsContract.Data;
import android.provider.ContactsContract.RawContacts;
import android.util.Log;
import android.widget.SimpleCursorAdapter;
import course.examples.ContentProviders.ContactsListWithInsDel.R;

public class DisplayActivity extends ListActivity implements
		LoaderManager.LoaderCallbacks<Cursor> {

	public final static String[] mNames = new String[] { "Android Painter",
			"Steve Ballmer", "Steve Jobs", "Larry Page" };

	private static final String columnsToExtract[] = new String[] {
			Contacts._ID, Contacts.DISPLAY_NAME, Contacts.STARRED };
	private static final String columnsToDisplay[] = new String[] { Contacts.DISPLAY_NAME };
	private static final int[] resourceIds = new int[] { R.id.name };
	private static final String TAG = "ContactsListDisplayActivity";

	private Account[] mAccountList;
	private String mType;
	private String mName;
	private SimpleCursorAdapter mAdapter;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		// Get Account information
		// Must have a Google account set up on your device
		mAccountList = AccountManager.get(this).getAccountsByType("com.google");
		mType = mAccountList[0].type;
		mName = mAccountList[0].name;

		// Insert new contacts
		insertAllNewContacts();

		// Create and set empty list adapter
		mAdapter = new SimpleCursorAdapter(this, R.layout.list_layout, null,
				columnsToDisplay, resourceIds, 0);
		setListAdapter(mAdapter);

		// Initialize a CursorLoader
		getLoaderManager().initLoader(0, null, this);

	}

	// Insert all new contacts into Contacts ContentProvider
	private void insertAllNewContacts() {

		// Set up a batch operation on Contacts ContentProvider
		ArrayList<ContentProviderOperation> batchOperation = new ArrayList<ContentProviderOperation>();

		for (String name : mNames) {
			addRecordToBatchInsertOperation(name, batchOperation);
		}

		try {

			// Apply all batched operations
			getContentResolver().applyBatch(ContactsContract.AUTHORITY,
					batchOperation);

		} catch (RemoteException e) {
			Log.i(TAG, "RemoteException");
		} catch (OperationApplicationException e) {
			Log.i(TAG, "RemoteException");
		}

	}

	// Insert named contact into Contacts ContentProvider
	private void addRecordToBatchInsertOperation(String name,
			List<ContentProviderOperation> ops) {

		int position = ops.size();

		// First part of operation
		ops.add(ContentProviderOperation.newInsert(RawContacts.CONTENT_URI)
				.withValue(RawContacts.ACCOUNT_TYPE, mType)
				.withValue(RawContacts.ACCOUNT_NAME, mName)
				.withValue(Contacts.STARRED, 1).build());

		// Second part of operation
		ops.add(ContentProviderOperation.newInsert(Data.CONTENT_URI)
				.withValueBackReference(Data.RAW_CONTACT_ID, position)
				.withValue(Data.MIMETYPE, StructuredName.CONTENT_ITEM_TYPE)
				.withValue(StructuredName.DISPLAY_NAME, name).build());

	}

	// Remove all newly-added contacts when activity is destroyed
	@Override
	protected void onDestroy() {

		deleteAllNewContacts();

		super.onDestroy();

	}

	private void deleteAllNewContacts() {

		for (String name : mNames) {

			deleteContact(name);

		}
	}

	private void deleteContact(String name) {

		getContentResolver().delete(ContactsContract.RawContacts.CONTENT_URI,
				ContactsContract.Contacts.DISPLAY_NAME + "=?",
				new String[] { name });

	}

	public Loader<Cursor> onCreateLoader(int id, Bundle args) {

		String select = "((" + Contacts.DISPLAY_NAME + " NOTNULL) AND ("
				+ Contacts.DISPLAY_NAME + " != '' ) AND (" + Contacts.STARRED
				+ "== 1))";

		return new CursorLoader(this, Contacts.CONTENT_URI, columnsToExtract,
				select, null, Contacts._ID + " ASC");
	}

	public void onLoadFinished(Loader<Cursor> loader, Cursor data) {

		mAdapter.swapCursor(data);
	}

	public void onLoaderReset(Loader<Cursor> loader) {

		mAdapter.swapCursor(null);

	}

}

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package com.ContentProviders.ContactsListInsertContacts;

import java.util.ArrayList;

import java.util.List;

import android.accounts.Account;

import android.accounts.AccountManager;

import android.app.ListActivity;

import android.app.LoaderManager;

import android.content.ContentProviderOperation;

import android.content.CursorLoader;

import android.content.Loader;

import android.content.OperationApplicationException;

import android.database.Cursor;

import android.os.Bundle;

import android.os.RemoteException;

import android.provider.ContactsContract;

import android.provider.ContactsContract.CommonDataKinds.StructuredName;

import android.provider.ContactsContract.Contacts;

import android.provider.ContactsContract.Data;

import android.provider.ContactsContract.RawContacts;

import android.util.Log;

import android.widget.SimpleCursorAdapter;

import course.examples.ContentProviders.ContactsListWithInsDel.R;

public class DisplayActivity extends ListActivity implements

LoaderManager.LoaderCallbacks<Cursor> {

public final static String[] mNames = new String[] { "Android Painter",

"Steve Ballmer", "Steve Jobs", "Larry Page" };

private static final String columnsToExtract[] = new String[] {

Contacts._ID, Contacts.DISPLAY_NAME, Contacts.STARRED };

private static final String columnsToDisplay[] = new String[] { Contacts.DISPLAY_NAME };

private static final int[] resourceIds = new int[] { R.id.name };

private static final String TAG = "ContactsListDisplayActivity";

private Account[] mAccountList;

private String mType;

private String mName;

private SimpleCursorAdapter mAdapter;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

// Get Account information

// Must have a Google account set up on your device

mAccountList = AccountManager.get(this).getAccountsByType("com.google");

mType = mAccountList[0].type;

mName = mAccountList[0].name;

// Insert new contacts

insertAllNewContacts();

// Create and set empty list adapter

mAdapter = new SimpleCursorAdapter(this, R.layout.list_layout, null,

columnsToDisplay, resourceIds, 0);

setListAdapter(mAdapter);

// Initialize a CursorLoader

getLoaderManager().initLoader(0, null, this);

}

// Insert all new contacts into Contacts ContentProvider

private void insertAllNewContacts() {

// Set up a batch operation on Contacts ContentProvider

ArrayList<ContentProviderOperation> batchOperation = new ArrayList<ContentProviderOperation>();

for (String name : mNames) {

addRecordToBatchInsertOperation(name, batchOperation);

}

try {

// Apply all batched operations

getContentResolver().applyBatch(ContactsContract.AUTHORITY,

batchOperation);

} catch (RemoteException e) {

Log.i(TAG, "RemoteException");

} catch (OperationApplicationException e) {

Log.i(TAG, "RemoteException");

}

// Insert named contact into Contacts ContentProvider

private void addRecordToBatchInsertOperation(String name,

List<ContentProviderOperation> ops) {

int position = ops.size();

// First part of operation

ops.add(ContentProviderOperation.newInsert(RawContacts.CONTENT_URI)

.withValue(RawContacts.ACCOUNT_TYPE, mType)

.withValue(RawContacts.ACCOUNT_NAME, mName)

.withValue(Contacts.STARRED, 1).build());

// Second part of operation

ops.add(ContentProviderOperation.newInsert(Data.CONTENT_URI)

.withValueBackReference(Data.RAW_CONTACT_ID, position)

.withValue(Data.MIMETYPE, StructuredName.CONTENT_ITEM_TYPE)

.withValue(StructuredName.DISPLAY_NAME, name).build());

}

// Remove all newly-added contacts when activity is destroyed

@Override

protected void onDestroy() {

deleteAllNewContacts();

super.onDestroy();

}

private void deleteAllNewContacts() {

for (String name : mNames) {

deleteContact(name);

}

private void deleteContact(String name) {

getContentResolver().delete(ContactsContract.RawContacts.CONTENT_URI,

ContactsContract.Contacts.DISPLAY_NAME + "=?",

new String[] { name });

}

public Loader<Cursor> onCreateLoader(int id, Bundle args) {

String select = "((" + Contacts.DISPLAY_NAME + " NOTNULL) AND ("

+ Contacts.DISPLAY_NAME + " != '' ) AND (" + Contacts.STARRED

+ "== 1))";

return new CursorLoader(this, Contacts.CONTENT_URI, columnsToExtract,

select, null, Contacts._ID + " ASC");

}

public void onLoadFinished(Loader<Cursor> loader, Cursor data) {

mAdapter.swapCursor(data);

}

public void onLoaderReset(Loader<Cursor> loader) {

mAdapter.swapCursor(null);

}

main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal" >
    
    <Button
        android:id="@+id/insert"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="200dip"
        android:text="@string/insert_contacts_string" 
        android:textSize="24sp">
    </Button>

    
</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="horizontal" >

<Button

android:id="@+id/insert"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_marginTop="200dip"

android:text="@string/insert_contacts_string"

android:textSize="24sp">

</Button>

</RelativeLayout>

list_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/name"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginLeft="10dp"
    android:textSize="24sp" >

</TextView>

<?xml version="1.0" encoding="utf-8"?>

<TextView xmlns:android="http://schemas.android.com/apk/res/android"

android:id="@+id/name"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginLeft="10dp"

android:textSize="24sp" >

</TextView>