1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.example.android.contactmanager;
18
19import android.app.Activity;
20import android.content.Intent;
21import android.database.Cursor;
22import android.net.Uri;
23import android.os.Bundle;
24import android.provider.ContactsContract;
25import android.util.Log;
26import android.view.View;
27import android.widget.Button;
28import android.widget.CheckBox;
29import android.widget.CompoundButton;
30import android.widget.CompoundButton.OnCheckedChangeListener;
31import android.widget.ListView;
32import android.widget.SimpleCursorAdapter;
33
34public final class ContactManager extends Activity
35{
36
37    public static final String TAG = "ContactManager";
38
39    private Button mAddAccountButton;
40    private ListView mContactList;
41    private boolean mShowInvisible;
42    private CheckBox mShowInvisibleControl;
43
44    /**
45     * Called when the activity is first created. Responsible for initializing the UI.
46     */
47    @Override
48    public void onCreate(Bundle savedInstanceState)
49    {
50        Log.v(TAG, "Activity State: onCreate()");
51        super.onCreate(savedInstanceState);
52        setContentView(R.layout.contact_manager);
53
54        // Obtain handles to UI objects
55        mAddAccountButton = (Button) findViewById(R.id.addContactButton);
56        mContactList = (ListView) findViewById(R.id.contactList);
57        mShowInvisibleControl = (CheckBox) findViewById(R.id.showInvisible);
58
59        // Initialize class properties
60        mShowInvisible = false;
61        mShowInvisibleControl.setChecked(mShowInvisible);
62
63        // Register handler for UI elements
64        mAddAccountButton.setOnClickListener(new View.OnClickListener() {
65            public void onClick(View v) {
66                Log.d(TAG, "mAddAccountButton clicked");
67                launchContactAdder();
68            }
69        });
70        mShowInvisibleControl.setOnCheckedChangeListener(new OnCheckedChangeListener() {
71            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
72                Log.d(TAG, "mShowInvisibleControl changed: " + isChecked);
73                mShowInvisible = isChecked;
74                populateContactList();
75            }
76        });
77
78        // Populate the contact list
79        populateContactList();
80    }
81
82    /**
83     * Populate the contact list based on account currently selected in the account spinner.
84     */
85    private void populateContactList() {
86        // Build adapter with contact entries
87        Cursor cursor = getContacts();
88        String[] fields = new String[] {
89                ContactsContract.Data.DISPLAY_NAME
90        };
91        SimpleCursorAdapter adapter = new SimpleCursorAdapter(this, R.layout.contact_entry, cursor,
92                fields, new int[] {R.id.contactEntryText});
93        mContactList.setAdapter(adapter);
94    }
95
96    /**
97     * Obtains the contact list for the currently selected account.
98     *
99     * @return A cursor for for accessing the contact list.
100     */
101    private Cursor getContacts()
102    {
103        // Run query
104        Uri uri = ContactsContract.Contacts.CONTENT_URI;
105        String[] projection = new String[] {
106                ContactsContract.Contacts._ID,
107                ContactsContract.Contacts.DISPLAY_NAME
108        };
109        String selection = ContactsContract.Contacts.IN_VISIBLE_GROUP + " = '" +
110                (mShowInvisible ? "0" : "1") + "'";
111        String[] selectionArgs = null;
112        String sortOrder = ContactsContract.Contacts.DISPLAY_NAME + " COLLATE LOCALIZED ASC";
113
114        return managedQuery(uri, projection, selection, selectionArgs, sortOrder);
115    }
116
117    /**
118     * Launches the ContactAdder activity to add a new contact to the selected accont.
119     */
120    protected void launchContactAdder() {
121        Intent i = new Intent(this, ContactAdder.class);
122        startActivity(i);
123    }
124}
125