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Android 2.2根據電話號碼查詢聯系人姓名的方法

日期：2017/3/1 10:28:56 编辑：Linux編程

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);
/**
* 設置當m_EditText中為空時提示的內容
* 在XML中同樣可以實現：android:hint="請輸入賬號"
*/
m_EditText.setHint("請輸入賬號");
/* 設置EditText事件監聽 */
m_EditText.setOnKeyListener(new EditText.OnKeyListener() {
public boolean onKey(View arg0, int arg1, KeyEvent arg2)
{
// TODO Auto-generated method stub
// 得到文字，將其顯示到TextView中
// m_TextView.setText("文本框中內容是：" + 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，將其顯示到TextView中
m_TextView.setText("文本框中內容是：" + m_EditText.getText().toString());
}
});
}
/*
* 根據電話號碼取得聯系人姓名
*/
public void getPeople() {
String[] projection = { ContactsContract.PhoneLookup.DISPLAY_NAME,
ContactsContract.CommonDataKinds.Phone.NUMBER};
Log.d(TAG, "getPeople ---------");
// 將自己添加到 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);
// 取得聯系人名字
int nameFieldColumnIndex = cursor.getColumnIndex(ContactsContract.PhoneLookup.DISPLAY_NAME);
String name = cursor.getString(nameFieldColumnIndex);
Log.i("Contacts", "" + name + " .... " + nameFieldColumnIndex); // 這裡提示 force close
m_TextView.setText("聯系人姓名：" + name);
}
}
}