android_contact.rar_android_android contact_android-contact_cont

package irdc.EX05_10; import android.app.Activity; import android.content.Intent; import android.os.Bundle; /*必需引用database.Cursor,Contacts.People與 net.uri等類別來使用聯絡人資料*/ import android.database.Cursor; import android.net.Uri; import android.provider.Contacts.People; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; public class EX05_10 extends Activity { /*宣告四個UI變數與一個常數作為Activity接收回傳值用*/ private TextView mTextView01; private Button mButton01; private EditText mEditText01; private EditText mEditText02; private static final int PICK_CONTACT_SUBACTIVITY = 2; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); /*透過findViewById建構子來建構一個TextView,兩個EditText,一個Button物件**/ mTextView01 = (TextView)findViewById(R.id.myTextView1); mEditText01 = (EditText)findViewById(R.id.myEditText01); mEditText02 = (EditText)findViewById(R.id.myEditText02); mButton01 = (Button)findViewById(R.id.myButton1); /*設定onClickListener 讓使用者點選Button時搜尋聯絡人*/ mButton01.setOnClickListener(new Button.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub /*建構Uri來取得聯絡人的資源位置*/ Uri uri = Uri.parse("content://contacts/people"); /*透過Intent來取得聯絡人資料並回傳所選的值*/ Intent intent = new Intent(Intent.ACTION_PICK, uri); /*開啟新的Activity並期望該Activity回傳值*/ startActivityForResult(intent, PICK_CONTACT_SUBACTIVITY); } }); } @Override protected void onActivityResult (int requestCode, int resultCode, Intent data) { // TODO Auto-generated method stub switch (requestCode) { case PICK_CONTACT_SUBACTIVITY: final Uri uriRet = data.getData(); if(uriRet != null) { try { /* 必須要有android.permission.READ_CONTACTS權限 */ Cursor c = managedQuery(uriRet, null, null, null, null); /*將Cursor移到資料最前端*/ c.moveToFirst(); /*取得聯絡人的姓名*/ String strName = c.getString(c.getColumnIndexOrThrow(People.NAME)); /*取得聯絡人的電話*/ String strPhone = c.getString(c.getColumnIndexOrThrow(People.NUMBER)); /*將姓名與電話寫入EditText01,EditText02中*/ mEditText01.setText(strName); mEditText02.setText(strPhone); } catch(Exception e) { /*將錯誤資訊在TextView中顯示*/ mTextView01.setText(e.toString()); e.printStackTrace(); } } break; } super.onActivityResult(requestCode, resultCode, data); } }