Android 获取联系人和电话号码

private void queryContactPhoneNumber() {
String[] cols = {ContactsContract.PhoneLookup.DISPLAY_NAME, ContactsContract.CommonDataKinds.Phone.NUMBER};
Cursor cursor = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
cols, null, null, null);
for (int i = 0; i < cursor.getCount(); i++) {
cursor.moveToPosition(i);
// 取得联系人名字
int nameFieldColumnIndex = cursor.getColumnIndex(ContactsContract.PhoneLookup.DISPLAY_NAME);
int numberFieldColumnIndex = cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
String name = cursor.getString(nameFieldColumnIndex);
String number = cursor.getString(numberFieldColumnIndex);
Toast.makeText(this, name + " " + number, Toast.LENGTH_SHORT).show();
}
}

public class AndroidTest extends Activity {
private static final String TAG = "AndroidTest";

private TextView m_TextView;
private EditText m_EditText;

private String mNumber;

@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

m_TextView = (TextView) findViewById(R.id.TextView01);
m_EditText = (EditText) findViewById(R.id.EditText01);

m_TextView.setTextSize(20);
/**
* 设置当m_EditText中为空时提示的内容
* 在XML中同样可以实现：android:hint="请输入账号"
*/
m_EditText.setHint("请输入账号");

/* 设置EditText事件监听 */
m_EditText.setOnKeyListener(new EditText.OnKeyListener() {
public boolean onKey(View arg0, int arg1, KeyEvent arg2)
{
// TODO Auto-generated method stub
// 得到文字，将其显示到TextView中
//          m_TextView.setText("文本框中内容是：" + m_EditText.getText().toString());
return false;
}
});

m_EditText.setOnFocusChangeListener(new OnFocusChangeListener() {

public void onFocusChange(View v, boolean hasFocus) {
// TODO Auto-generated method stub
mNumber = ((EditText)v).getText().toString();
Log.d(TAG, "mNumber = " + mNumber);
getPeople();
}

});

m_EditText.addTextChangedListener(new TextWatcher() {

public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub

}

public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
// TODO Auto-generated method stub

}

public void onTextChanged(CharSequence s, int start, int before,
int count) {
// TODO Auto-generated method stub
// 得到文字，将其显示到TextView中
m_TextView.setText("文本框中内容是：" + m_EditText.getText().toString());
}

});
}

/*
* 根据电话号码取得联系人姓名
*/
public void getPeople() {
String[] projection = { ContactsContract.PhoneLookup.DISPLAY_NAME,
ContactsContract.CommonDataKinds.Phone.NUMBER};

Log.d(TAG, "getPeople ---------");

// 将自己添加到 msPeers 中
Cursor cursor = this.getContentResolver().query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
projection,    // Which columns to return.
ContactsContract.CommonDataKinds.Phone.NUMBER + " = '" + mNumber + "'", // WHERE clause.
null,          // WHERE clause value substitution
null);   // Sort order.

if( cursor == null ) {
Log.d(TAG, "getPeople null");
return;
}
Log.d(TAG, "getPeople cursor.getCount() = " + cursor.getCount());
for( int i = 0; i < cursor.getCount(); i++ )
{
cursor.moveToPosition(i);

// 取得联系人名字
int nameFieldColumnIndex = cursor.getColumnIndex(ContactsContract.PhoneLookup.DISPLAY_NAME);
String name = cursor.getString(nameFieldColumnIndex);
Log.i("Contacts", "" + name + " .... " + nameFieldColumnIndex); // 这里提示 force close
m_TextView.setText("联系人姓名：" + name);
}
}

}