Android 通信录 完整示例编程详解

第三部分 通讯录
该例实现了浏览联系人、添加联系人、删除联系人、编辑联系人、查看联系人，当找到一个联系人后，可以呼叫或者发送消息给该联系人。
下例体现了UI设计、数据库的综合操作、动态菜单的使用以及各种权限的注册。

public class ContactColumn implements BaseColumns{//定义数据,要设计数据库，首先要确定数据都是什么内容，为了方便管理、维护和共享首先将数据中要使用的数据全部定义到
ContactColumn类
public ContactColumn(){
}
//列名
public static final String NAME = "name";//姓名
public static final String MOBILENUM = "mobileNumber";//移动电话
public static final String HOMENUM = "homeNumber";//家庭电话
public static final String ADDRESS = "address";//地址
public static final String EMAIL = "email";//邮箱
public static final String BLOG = "blog";//博客
//列 索引值
public static final int _ID_COLUMN = 0;
public static final int NAME_COLUMN = 1;
public static final int MOBILENUM_COLUMN = 2;
public static final int HOMENUM_COLUMN = 3;
public static final int ADDRESS_COLUMN = 4;
public static final int EMAIL_COLUMN = 5;
public static final int BLOG_COLUMN = 6;
public static final String[] PROJECTION ={//查询结果
_ID,
NAME,
MOBILENUM,
HOMENUM,
ADDRESS,
EMAIL,
BLOG,
};
}

public class DBHelper extends SQLiteOpenHelper{//android.database.sqlite.SQLiteOpenHelper类是一个专门用于数据库创建和版本管理的辅助类。
此处创建了一个DBHelper类来维护和更新数据库
public static final String DATABASE_NAME = "mycontacts.db";//数据库名
public static final int DATABASE_VERSION = 2; //版本
public static final String CONTACTS_TABLE = "contacts"; //表名
//创建表
private static final String DATABASE_CREATE =
"CREATE TABLE " + CONTACTS_TABLE +" ("
+ ContactColumn._ID+" integer primary key autoincrement,"
+ ContactColumn.NAME+" text,"
+ ContactColumn.MOBILENUM+" text,"
+ ContactColumn.HOMENUM+" text,"
+ ContactColumn.ADDRESS+" text,"
+ ContactColumn.EMAIL+" text,"
+ ContactColumn.BLOG+" text);";
public DBHelper(Context context){
super(context, DATABASE_NAME, null, DATABASE_VERSION);
}
public void onCreate(SQLiteDatabase db){
db.execSQL(DATABASE_CREATE);
}
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion){
db.execSQL("DROP TABLE IF EXISTS " + CONTACTS_TABLE);
onCreate(db);
}
}

public class ContactsProvider extends ContentProvider{//ContentProvider类提供了多个应用间数据共享的方式，比如：联系人信息可以被多个应用程序访问。
ContentProvider是一个实现了一组用于提供其他应用程序存在数据的标准方法类。
所以此处创建此类用来对数据库的操作，如：查询、修改、添加、删除
private static final String TAG= "ContactsProvider";
private DBHelper dbHelper;
private SQLiteDatabase contactsDB;
public static final String AUTHORITY = "com.yarin.android.provider.ContactsProvider";
public static final String CONTACTS_TABLE = "contacts";
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/"+CONTACTS_TABLE);
//下面是自定义的类型
public static final int CONTACTS = 1;
public static final int CONTACT_ID = 2;
private static final UriMatcher uriMatcher;
static{
uriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
uriMatcher.addURI(AUTHORITY,"contacts",CONTACTS);
uriMatcher.addURI(AUTHORITY,"contacts/#",CONTACT_ID);//单独列
}
public boolean onCreate(){
dbHelper = new DBHelper(getContext());
//执行创建数据库
contactsDB = dbHelper.getWritableDatabase();
return (contactsDB == null) ? false : true;
}
public int delete(Uri uri, String where, String[] selectionArgs){// 删除指定数据列
int count;
switch (uriMatcher.match(uri)){
case CONTACTS:
count = contactsDB.delete(CONTACTS_TABLE, where, selectionArgs);
break;
case CONTACT_ID:
String contactID = uri.getPathSegments().get(1);
count = contactsDB.delete(CONTACTS_TABLE, ContactColumn._ID
+ "=" + contactID
+ (!TextUtils.isEmpty(where) ? " AND (" + where + ")" : ""),
selectionArgs);
break;
default:
throw new IllegalArgumentException("Unsupported URI: " + uri);
}
getContext().getContentResolver().notifyChange(uri, null);
return count;
}
public String getType(Uri uri){// URI类型转换。我们定义了一个新的类型，因此得到URI时，就可以通过此方法转换成我们需要的类型。
其中CONTACTS表示多行数据，CONTACT_ID表示单行数据。注意这些类型需要在AndroidManifest.xml中声明权限。
switch (uriMatcher.match(uri)){
case CONTACTS:
return "vnd.android.cursor.dir/vnd.yarin.android.mycontacts";
case CONTACT_ID:
return "vnd.android.cursor.item/vnd.yarin.android.mycontacts";
default:
throw new IllegalArgumentException("Unsupported URI: " + uri);
}
}
public Uri insert(Uri uri, ContentValues initialValues){// 插入数据
if (uriMatcher.match(uri) != CONTACTS){
throw new IllegalArgumentException("Unknown URI " + uri);
}
ContentValues values;
if (initialValues != null){
values = new ContentValues(initialValues);
Log.e(TAG + "insert", "initialValues is not null");
}else{
values = new ContentValues();
}
// 设置默认值
if (values.containsKey(ContactColumn.NAME) == false){
values.put(ContactColumn.NAME, "");
}
if (values.containsKey(ContactColumn.MOBILENUM) == false){
values.put(ContactColumn.MOBILENUM, "");
}
if (values.containsKey(ContactColumn.HOMENUM) == false){
values.put(ContactColumn.HOMENUM, "");
}
if (values.containsKey(ContactColumn.ADDRESS) == false){
values.put(ContactColumn.ADDRESS, "");
}
if (values.containsKey(ContactColumn.EMAIL) == false){
values.put(ContactColumn.EMAIL, "");
}
if (values.containsKey(ContactColumn.BLOG) == false){
values.put(ContactColumn.BLOG, "");
}
Log.e(TAG + "insert", values.toString());
long rowId = contactsDB.insert(CONTACTS_TABLE, null, values);
if (rowId > 0){
Uri noteUri = ContentUris.withAppendedId(CONTENT_URI, rowId);
getContext().getContentResolver().notifyChange(noteUri, null);
Log.e(TAG + "insert", noteUri.toString());
return noteUri;
}
throw new SQLException("Failed to insert row into " + uri);
}
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder){// 对数据库的操作，查询数据
Log.e(TAG + ":query", " in Query");
SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
qb.setTables(CONTACTS_TABLE);
switch (uriMatcher.match(uri)){
case CONTACT_ID:
qb.appendWhere(ContactColumn._ID + "=" + uri.getPathSegments().get(1));
break;
default:
break;
}
String orderBy;
if (TextUtils.isEmpty(sortOrder)){
orderBy = ContactColumn._ID;
}else{
orderBy = sortOrder;
}
Cursor c = qb.query(contactsDB, projection, selection, selectionArgs, null, null, orderBy);
c.setNotificationUri(getContext().getContentResolver(), uri);
return c;
}
public int update(Uri uri, ContentValues values, String where, String[] selectionArgs){// 更新数据库
int count;
Log.e(TAG + "update", values.toString());
Log.e(TAG + "update", uri.toString());
Log.e(TAG + "update :match", "" + uriMatcher.match(uri));
switch (uriMatcher.match(uri)){
case CONTACTS:
Log.e(TAG + "update", CONTACTS + "");
count = contactsDB.update(CONTACTS_TABLE, values, where, selectionArgs);
break;
case CONTACT_ID:
String contactID = uri.getPathSegments().get(1);
Log.e(TAG + "update", contactID + "");
count = contactsDB.update(CONTACTS_TABLE, values, ContactColumn._ID + "=" +
contactID+ (!TextUtils.isEmpty(where) ? " AND (" + where + ")" : ""), selectionArgs);
break;
default:
throw new IllegalArgumentException("Unsupported URI: " + uri);
}
getContext().getContentResolver().notifyChange(uri, null);
return count;
}
}

public class MyContacts extends ListActivity{//浏览联系人时，如果没有选中一条联系人，那么就不能使用删除、修改、查看等菜单。但是当选中一条数据时，就可以执行这些
功能，所以我们要使用动态菜单，根据不同的状态显示不同的菜单。
动态菜单要在Android中使用Intent来设置ACTION,然后根据不同的动作来启动不同的界面Activity
private static final String TAG = "MyContacts";
private static final int AddContact_ID = Menu.FIRST;
private static final int EditContact_ID = Menu.FIRST+1;
private static final int DELEContact_ID = Menu.FIRST+2;
private static final int EXITContact_ID = Menu.FIRST+3;

public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setDefaultKeyMode(DEFAULT_KEYS_SHORTCUT);

Intent intent = getIntent();
if (intent.getData() == null) {
intent.setData(ContactsProvider.CONTENT_URI);
}
getListView().setOnCreateContextMenuListener(this);
getListView().setBackgroundResource(R.drawable.bg);
Cursor cursor = managedQuery(getIntent().getData(), ContactColumn.PROJECTION, null, null,null);
//注册每个列表表示形式 ：姓名 + 移动电话
SimpleCursorAdapter adapter = new SimpleCursorAdapter(this,
android.R.layout.simple_list_item_2,
cursor,
new String[] {ContactColumn.NAME, ContactColumn.MOBILENUM },
new int[] { android.R.id.text1, android.R.id.text2 });
setListAdapter(adapter);
}
public boolean onCreateOptionsMenu(Menu menu){//添加动态菜单"编辑"，"查看"的方法
super.onCreateOptionsMenu(menu);
//添加联系人
menu.add(0, AddContact_ID, 0, R.string.add_user)
.setShortcut('3', 'a')
.setIcon(R.drawable.add);

Intent intent = new Intent(null, getIntent().getData());
intent.addCategory(Intent.CATEGORY_ALTERNATIVE);
menu.addIntentOptions(Menu.CATEGORY_ALTERNATIVE, 0, 0,new ComponentName(this, MyContacts.class), null, intent, 0, null);
//退出程序
menu.add(0, EXITContact_ID, 0, R.string.exit)
.setShortcut('4', 'd')
.setIcon(R.drawable.exit);
return true;

}
public boolean onOptionsItemSelected(MenuItem item) { //处理菜单操作
switch (item.getItemId()) {
case AddContact_ID:
startActivity(new Intent(Intent.ACTION_INSERT, getIntent().getData())); //添加联系人
return true;
case EXITContact_ID:
this.finish();//退出程序
return true;
}
return super.onOptionsItemSelected(item);
}
public boolean onPrepareOptionsMenu(Menu menu){
super.onPrepareOptionsMenu(menu);
final boolean haveItems = getListAdapter().getCount() > 0;
if (haveItems){
Uri uri = ContentUris.withAppendedId(getIntent().getData(), getSelectedItemId());
Intent[] specifics = new Intent[2];
specifics[0] = new Intent(Intent.ACTION_EDIT, uri);
specifics[1] = new Intent(Intent.ACTION_VIEW, uri);
MenuItem[] items = new MenuItem[2];
//添加满足条件的菜单
Intent intent = new Intent(null, uri);
intent.addCategory(Intent.CATEGORY_ALTERNATIVE);
menu.addIntentOptions(Menu.CATEGORY_ALTERNATIVE, 0, 0, null, specifics, intent, 0, items);
if (items[0] != null){
items[0].setShortcut('1', 'e').setIcon(R.drawable.edituser).setTitle(R.string.editor_user); //编辑联系人
}
if (items[1] != null){
items[1].setShortcut('2', 'f').setTitle(R.string.view_user).setIcon(R.drawable.viewuser); //查看联系人
}
}else{
menu.removeGroup(Menu.CATEGORY_ALTERNATIVE);
}
return true;
}
protected void onListItemClick(ListView l, View v, int position, long id){ //动态菜单处理，点击的默认操作也可以在这里处理
Uri uri = ContentUris.withAppendedId(getIntent().getData(), id);
String action = getIntent().getAction();
if ( Intent.ACTION_EDIT.equals(action) ){
startActivity(new Intent(Intent.ACTION_EDIT, uri)); //编辑联系人
}else{
startActivity(new Intent(Intent.ACTION_VIEW, uri)); //查看联系人
}
}
public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo menuInfo){ //长按触发的菜单。这时可以设置能够进行操作的菜单，通过 onContextItemSelected
方法来监听长按菜单的事件处理。
AdapterView.AdapterContextMenuInfo info;
try{
info = (AdapterView.AdapterContextMenuInfo) menuInfo;
}catch (ClassCastException e){
return;
}
Cursor cursor = (Cursor) getListAdapter().getItem(info.position);//得到长按的数据项
if (cursor == null){
return;
}
menu.setHeaderTitle(cursor.getString(1));
menu.add(0, DELEContact_ID, 0, R.string.delete_user);//添加删除菜单
}
public boolean onContextItemSelected(MenuItem item){//本例中长按时会弹出删除该条记录的菜单
AdapterView.AdapterContextMenuInfo info;
try{
info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
}catch (ClassCastException e){
return false;
}
switch (item.getItemId()){
case DELEContact_ID:{
//删除一条记录
Uri noteUri = ContentUris.withAppendedId(getIntent().getData(), info.id);
getContentResolver().delete(noteUri, null, null);
return true;
}
}
return false;
}
}

public class ContactEditor extends Activity{
private static final String TAG = "ContactEditor";
private static final int STATE_EDIT = 0;
private static final int STATE_INSERT = 1;
private static final int REVERT_ID = Menu.FIRST;
private static final int DISCARD_ID = Menu.FIRST + 1;
private static final int DELETE_ID = Menu.FIRST + 2;

private Cursor mCursor;
private int mState;
private Uri mUri;
private EditText nameText;
private EditText mobileText;
private EditText homeText;
private EditText addressText;
private EditText emailText;
private EditText blogText;

private Button okButton;
private Button cancelButton;

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

final Intent intent = getIntent();
final String action = intent.getAction();
Log.e(TAG + ":onCreate", action);
if (Intent.ACTION_EDIT.equals(action)){//根据action的不同进行不同的操作，编辑联系人
mState = STATE_EDIT;
mUri = intent.getData();
}else if (Intent.ACTION_INSERT.equals(action)){
//添加新联系人
mState = STATE_INSERT;
mUri = getContentResolver().insert(intent.getData(), null);
if (mUri == null){
Log.e(TAG + ":onCreate", "Failed to insert new Contact into " + getIntent().getData());
finish();
return;
}
setResult(RESULT_OK, (new Intent()).setAction(mUri.toString()));

}else{
Log.e(TAG + ":onCreate", " unknown action");
finish();
return;
}
setContentView(R.layout.editorcontacts);

nameText = (EditText) findViewById(R.id.EditText01);
mobileText = (EditText) findViewById(R.id.EditText02);
homeText = (EditText) findViewById(R.id.EditText03);
addressText = (EditText) findViewById(R.id.EditText04);
emailText = (EditText) findViewById(R.id.EditText05);
blogText = (EditText) findViewById(R.id.EditText06);

okButton = (Button)findViewById(R.id.Button01);
cancelButton = (Button)findViewById(R.id.Button02);

okButton.setOnClickListener(new OnClickListener(){
public void onClick(View v) {
String text = nameText.getText().toString();
if(text.length()==0){
//如果没有输入东西，则不添加记录
setResult(RESULT_CANCELED);
deleteContact();
finish();
}else{
updateContact();//添加一条数据
}
}

});
cancelButton.setOnClickListener(new OnClickListener(){
public void onClick(View v) {
if(mState == STATE_INSERT){
//不添加记录
setResult(RESULT_CANCELED);
deleteContact();
finish();
}else{
backupContact();//恢复到编辑前的状态
}
}
});
Log.e(TAG+":onCreate", mUri.toString());
// 获得并保存原始联系人信息
mCursor = managedQuery(mUri, ContactColumn.PROJECTION, null, null, null);
mCursor.moveToFirst();
Log.e(TAG, "end of onCreate()");
}
protected void onResume(){
super.onResume();
if (mCursor != null){
Log.e(TAG + ":onResume", "count:" + mCursor.getColumnCount());
mCursor.moveToFirst();// 读取并显示联系人信息
if (mState == STATE_EDIT){
setTitle(getText(R.string.editor_user));
}else if (mState == STATE_INSERT){
setTitle(getText(R.string.add_user));
}
String name = mCursor.getString(ContactColumn.NAME_COLUMN);
String moblie = mCursor.getString(ContactColumn.MOBILENUM_COLUMN);
String home = mCursor.getString(ContactColumn.HOMENUM_COLUMN);
String address = mCursor.getString(ContactColumn.ADDRESS_COLUMN);
String email = mCursor.getString(ContactColumn.EMAIL_COLUMN);
String blog = mCursor.getString(ContactColumn.BLOG_COLUMN);

nameText.setText(name);
mobileText.setText(moblie);
homeText.setText(home);
addressText.setText(address);
emailText.setText(email);
blogText.setText(blog);
}else{
setTitle("错误信息");
}
}
protected void onPause(){
super.onPause();
if (mCursor != null){
String text = nameText.getText().toString();
if (text.length() == 0){
Log.e(TAG + ":onPause", "nameText is null ");
setResult(RESULT_CANCELED);
deleteContact();
}else{// 更新信息
ContentValues values = new ContentValues();
values.put(ContactColumn.NAME, nameText.getText().toString());
values.put(ContactColumn.MOBILENUM, mobileText.getText().toString());
values.put(ContactColumn.HOMENUM, homeText.getText().toString());
values.put(ContactColumn.ADDRESS, addressText.getText().toString());
values.put(ContactColumn.EMAIL, emailText.getText().toString());
values.put(ContactColumn.BLOG, blogText.getText().toString());

Log.e(TAG + ":onPause", mUri.toString());
Log.e(TAG + ":onPause", values.toString());
getContentResolver().update(mUri, values, null, null);
}
}
}
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
if (mState == STATE_EDIT) {
menu.add(0, REVERT_ID, 0, R.string.revert)
.setShortcut('0', 'r')
.setIcon(R.drawable.listuser);
menu.add(0, DELETE_ID, 0, R.string.delete_user)
.setShortcut('0', 'f')
.setIcon(R.drawable.remove);
} else {
menu.add(0, DISCARD_ID, 0, R.string.revert)
.setShortcut('0', 'd')
.setIcon(R.drawable.listuser);
}
return true;
}
public boolean onOptionsItemSelected(MenuItem item) {//菜单处理
switch (item.getItemId()) {
case DELETE_ID:
deleteContact();
finish();
break;
case DISCARD_ID:
cancelContact();
break;
case REVERT_ID:
backupContact();
break;
}
return super.onOptionsItemSelected(item);
}
private void deleteContact() {//删除联系人信息
if (mCursor != null) {
mCursor.close();
mCursor = null;
getContentResolver().delete(mUri, null, null);
nameText.setText("");
}
}
private void cancelContact() {//丢弃信息
if (mCursor != null) {
deleteContact();
}
setResult(RESULT_CANCELED);
finish();
}
private void updateContact() {//更新 变更的信息
if (mCursor != null) {
mCursor.close();
mCursor = null;
ContentValues values = new ContentValues();
values.put(ContactColumn.NAME, nameText.getText().toString());
values.put(ContactColumn.MOBILENUM, mobileText.getText().toString());
values.put(ContactColumn.HOMENUM, homeText.getText().toString());
values.put(ContactColumn.ADDRESS, addressText.getText().toString());
values.put(ContactColumn.EMAIL, emailText.getText().toString());
values.put(ContactColumn.BLOG, blogText.getText().toString());
Log.e(TAG+":onPause",mUri.toString());
Log.e(TAG+":onPause",values.toString());
getContentResolver().update(mUri, values, null, null);
}
setResult(RESULT_CANCELED);
finish();
}
private void backupContact() {//取消用，回退到最初的信息
if (mCursor != null) {
mCursor.close();
mCursor = null;
ContentValues values = new ContentValues();
values.put(ContactColumn.NAME, nameText.getText().toString());
values.put(ContactColumn.MOBILENUM, mobileText.getText().toString());
values.put(ContactColumn.HOMENUM, homeText.getText().toString());
values.put(ContactColumn.ADDRESS, addressText.getText().toString());
values.put(ContactColumn.EMAIL, emailText.getText().toString());
values.put(ContactColumn.BLOG, blogText.getText().toString());
Log.e(TAG+":onPause",mUri.toString());
Log.e(TAG+":onPause",values.toString());
getContentResolver().update(mUri, values, null, null);
}
setResult(RESULT_CANCELED);
finish();
}
}

public class ContactView extends Activity{
private TextView mTextViewName;
private TextView mTextViewMobile;
private TextView mTextViewHome;
private TextView mTextViewAddress;
private TextView mTextViewEmail;
private TextView mTextViewBlog;

private Cursor mCursor;
private Uri mUri;

private static final int REVERT_ID = Menu.FIRST;
private static final int DELETE_ID = Menu.FIRST + 1;
private static final int EDITOR_ID = Menu.FIRST + 2;
private static final int CALL_ID = Menu.FIRST + 3;
private static final int SENDSMS_ID = Menu.FIRST + 4;

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

mUri = getIntent().getData();
this.setContentView(R.layout.viewuser);

mTextViewName = (TextView) findViewById(R.id.TextView_Name);
mTextViewMobile = (TextView) findViewById(R.id.TextView_Mobile);
mTextViewHome = (TextView) findViewById(R.id.TextView_Home);
mTextViewAddress = (TextView) findViewById(R.id.TextView_Address);
mTextViewEmail = (TextView) findViewById(R.id.TextView_Email);
mTextViewBlog = (TextView) findViewById(R.id.TextView_Blog);

mCursor = managedQuery(mUri, ContactColumn.PROJECTION, null, null, null); // 获得并保存原始联系人信息
mCursor.moveToFirst();
}
protected void onResume(){
super.onResume();
if (mCursor != null){
mCursor.moveToFirst();// 读取并显示联系人信息
mTextViewName.setText(mCursor.getString(ContactColumn.NAME_COLUMN));
mTextViewMobile.setText(mCursor.getString(ContactColumn.MOBILENUM_COLUMN));
mTextViewHome.setText(mCursor.getString(ContactColumn.HOMENUM_COLUMN));
mTextViewAddress.setText(mCursor.getString(ContactColumn.ADDRESS_COLUMN));
mTextViewEmail.setText(mCursor.getString(ContactColumn.EMAIL_COLUMN));
mTextViewBlog.setText(mCursor.getString(ContactColumn.BLOG_COLUMN));
}else{
setTitle("错误信息");
}
}
public boolean onCreateOptionsMenu(Menu menu){
super.onCreateOptionsMenu(menu);
//添加菜单
menu.add(0, REVERT_ID, 0, R.string.revert).setShortcut('0', 'r').setIcon(R.drawable.listuser);
menu.add(0, DELETE_ID, 0, R.string.delete_user).setShortcut('0', 'd').setIcon(R.drawable.remove);
menu.add(0, EDITOR_ID, 0, R.string.editor_user).setShortcut('0', 'd').setIcon(R.drawable.edituser);
menu.add(0, CALL_ID, 0, R.string.call_user).setShortcut('0', 'd')
.setIcon(R.drawable.calluser)
.setTitle(this.getResources()
.getString(R.string.call_user)+mTextViewName
.getText());
menu.add(0, SENDSMS_ID, 0, R.string.sendsms_user).setShortcut('0', 'd')
.setIcon(R.drawable.sendsms)
.setTitle(this.getResources()
.getString(R.string.sendsms_user)+mTextViewName
.getText());
return true;
}
public boolean onOptionsItemSelected(MenuItem item){
switch (item.getItemId()){
case DELETE_ID:
deleteContact();//删除
finish();
break;
case REVERT_ID:
setResult(RESULT_CANCELED);//返回列表
finish();
break;
case EDITOR_ID:
startActivity(new Intent(Intent.ACTION_EDIT, mUri)); //编辑联系人
break;
case CALL_ID:
Intent call = new Intent(Intent.ACTION_CALL,Uri.parse("tel:"+mTextViewMobile.getText()));//呼叫联系人
startActivity(call);
break;
case SENDSMS_ID:
Intent sms = new Intent(Intent.ACTION_SENDTO,Uri.parse("smsto:"+mTextViewMobile.getText()));//发短信给联系人
startActivity(sms);
break;
}
return super.onOptionsItemSelected(item);
}
private void deleteContact(){// 删除联系人信息
if (mCursor != null){
mCursor.close();
mCursor = null;
getContentResolver().delete(mUri, null, null);
setResult(RESULT_CANCELED);
}
}
}
res.layout.eidtorcontacts.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/bg">
<TableRow
android:id="@+id/TableRow01"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/TextView01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/name"
android:textSize="16px"></TextView>
<EditText
android:id="@+id/EditText01"
android:layout_height="wrap_content"
android:layout_width="fill_parent"/>
</TableRow>
<TableRow
android:id="@+id/TableRow02"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/TextView02"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="16px"
android:text="@string/mobile"></TextView>
<EditText
android:id="@+id/EditText02"
android:layout_height="wrap_content"
android:layout_width="fill_parent"></EditText>
</TableRow>
<TableRow
android:id="@+id/TableRow03"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/TextView03"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="16px"
android:text="@string/home"></TextView>
<EditText
android:id="@+id/EditText03"
android:layout_height="wrap_content"
android:layout_width="fill_parent"></EditText>
</TableRow>
<TableRow
android:id="@+id/TableRow04"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/TextView04"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="16px"
android:text="@string/address"></TextView>
<EditText
android:id="@+id/EditText04"
android:layout_height="wrap_content"
android:layout_width="fill_parent"></EditText>
</TableRow>
<TableRow
android:id="@+id/TableRow05"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/TextView05"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/email"
android:textSize="16px"></TextView>
<EditText
android:id="@+id/EditText05"
android:layout_height="wrap_content"
android:layout_width="fill_parent"></EditText>
</TableRow>
<TableRow
android:id="@+id/TableRow06"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/TextView06"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="16px"
android:text="@string/blog"></TextView>
<EditText
android:id="@+id/EditText06"
android:layout_height="wrap_content"
android:layout_width="fill_parent"></EditText>
</TableRow>
<TableRow
android:id="@+id/TableRow07"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<Button
android:id="@+id/Button01"
android:layout_height="wrap_content"
android:text="@string/ok"
android:textSize="16px"
android:layout_width="wrap_content">
</Button>
<Button
android:id="@+id/Button02"
android:layout_height="wrap_content"
android:text="@string/cancel"
android:textSize="16px"
android:layout_width="wrap_content">
</Button>
</TableRow>
</LinearLayout>

res.layout.viewuser.xml
<?xml version="1.0" encoding="utf-8"?>
<TableLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:stretchColumns="1"
android:background="@drawable/bg">
<TableRow>
<TextView
android:layout_column="1"
android:text="查看联系人"
android:textColor="#ff44f3ff"
android:padding="15dip" />
</TableRow>
<View
android:layout_height="3dip"
android:background="#ffffffff" />
<TableRow>
<TextView
android:layout_column="1"
android:text="姓名："
android:textColor="#ffffaaaf"
android:padding="10dip" />
<TextView
android:id="@+id/TextView_Name"
android:textColor="#ffffaaaf"
android:padding="10dip" />
</TableRow>
<View
android:layout_height="1dip"
android:background="#ffffffff" />
<TableRow>
<TextView
android:layout_column="1"
android:text="手机："
android:textColor="#ffffaaaf"
android:padding="10dip" />
<TextView
android:id="@+id/TextView_Mobile"
android:textColor="#ffffaaaf"
android:padding="10dip" />
</TableRow>
<View
android:layout_height="1dip"
android:background="#ffffffff" />
<TableRow>
<TextView
android:layout_column="1"
android:text="座机："
android:textColor="#ffffaaaf"
android:padding="10dip" />
<TextView
android:id="@+id/TextView_Home"
android:textColor="#ffffaaaf"
android:padding="10dip" />
</TableRow>
<View
android:layout_height="1dip"
android:background="#ffffffff" />
<TableRow>
<TextView
android:layout_column="1"
android:text="地址："
android:textColor="#ffffaaaf"
android:padding="10dip" />
<TextView
android:id="@+id/TextView_Address"
android:textColor="#ffffaaaf"
android:padding="10dip" />
</TableRow>
<View
android:layout_height="1dip"
android:background="#ffffffff" />
<TableRow>
<TextView
android:layout_column="1"
android:text="邮箱："
android:textColor="#ffffaaaf"
android:padding="10dip" />
<TextView
android:id="@+id/TextView_Email"
android:textColor="#ffffaaaf"
android:padding="10dip" />
</TableRow>
<View
android:layout_height="1dip"
android:background="#ffffffff" />
<TableRow>
<TextView
android:layout_column="1"
android:text="主页："
android:textColor="#ffffaaaf"
android:padding="10dip" />
<TextView
android:id="@+id/TextView_Blog"
android:textColor="#ffffaaaf"
android:padding="10dip" />
</TableRow>
</TableLayout>

AndroidManifest.xml//本例中代码中创建了新类型，也设置了呼叫联系人和发送短信。这都需要在此文件中定义、声明、注册
<?xml version="1.0" encoding="utf-8"?>
<manifest
xmlns:android="http://schemas.android.com/apk/res/android"
package="com.yarin.android.MyContacts"
android:versionCode="1"
android:versionName="1.0">
<application
android:icon="@drawable/icon"
android:label="@string/app_name">
<provider
android:name="ContactsProvider"
android:authorities="com.yarin.android.provider.ContactsProvider"/>
<activity
android:name=".MyContacts"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".ContactEditor"
android:label="@string/editor_user">
<intent-filter>
<action android:name="android.intent.action.EDIT" />
<category android:name="android.intent.category.DEFAULT" />
<data android:mimeType="vnd.android.cursor.item/vnd.yarin.android.mycontacts" />
</intent-filter>
<intent-filter>
<action android:name="android.intent.action.INSERT" />
<category android:name="android.intent.category.DEFAULT" />
<data android:mimeType="vnd.android.cursor.dir/vnd.yarin.android.mycontacts" />
</intent-filter>
</activity>
<activity
android:name=".ContactView"
android:label="@string/view_user">
<intent-filter>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.DEFAULT" />
<data android:mimeType="vnd.android.cursor.item/vnd.yarin.android.mycontacts" />
</intent-filter>
<intent-filter>
<category android:name="android.intent.category.DEFAULT" />
<data android:mimeType="vnd.android.cursor.dir/vnd.yarin.android.mycontacts" />
</intent-filter>
</activity>
</application>
<uses-permission android:name="android.permission.CALL_PHONE"></uses-permission>
<uses-permission android:name="android.permission.SEND_SMS"></uses-permission>
<uses-permission android:name="android.permission.RECEIVE_SMS" />
<uses-sdk android:minSdkVersion="5" />
</manifest>