Contact list demo : Contact « Core Class « Android

1. Android
2. Core Class
3. Contact

Contact list demo

  

package app.test;

import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Contacts.People;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class Test extends Activity {
  public static final int PICK_CONTACT = 1;
  @Override
  public void onCreate(Bundle icicle) {
    super.onCreate(icicle);
    setContentView(R.layout.main);
  
    Button button = (Button)findViewById(R.id.pick_contact_button);
    button.setOnClickListener(new OnClickListener() {
      public void onClick(View _view) {
        Intent intent = new Intent(Intent.ACTION_PICK, Uri.parse("content://contacts/"));
        startActivityForResult(intent, PICK_CONTACT);  
      }     
    });
  }
  
  @Override 
  public void onActivityResult(int reqCode, int resCode, Intent data) {
    super.onActivityResult(reqCode, resCode, data);
    
    switch(reqCode) {
      case (PICK_CONTACT) : {
        if (resCode == Activity.RESULT_OK) {
          Cursor c = managedQuery(data.getData(), null, null, null, null);
          c.moveToFirst();
          String name = c.getString(c.getColumnIndexOrThrow(People.NAME));
          TextView tv = (TextView)findViewById(R.id.selected_contact_textview);
          tv.setText(name);
        }
        break;
      }
    }
    
  }

}

//main.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">
  <TextView 
    android:id="@+id/selected_contact_textview"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content"
  />
  <Button
    android:id="@+id/pick_contact_button"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content"
    android:text="Pick Contact"
  />
</LinearLayout>

   
    
  

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