该demo是第一次基于android开发。
主要功能有： 读取联系人姓名、号码，并lisetview 显示，获取listview数据，并发短信、或者拨号
package com.android.hello;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.telephony.PhoneNumberUtils;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.LinearLayout;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import android.provider.ContactsContract;
import java.util.ArrayList;
import java.util.HashMap;
import android.widget.SimpleAdapter;
@SuppressWarnings("deprecation")
public class hello extends Activity {
/** Called when the activity is first created. */
// @SuppressWarnings("deprecation")
// @Override
//
private static final String TAG="App";
ListView listView;
ListAdapter adapter;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// setContentView(R.layout.main);
LinearLayout linearLayout=new LinearLayout(this);
linearLayout.setOrientation(LinearLayout.VERTICAL);
linearLayout.setBackgroundColor(Color.BLACK);
LinearLayout.LayoutParams param=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.WRAP_CONTENT);
listView=new ListView(this);
listView.setBackgroundColor(Color.BLACK);
linearLayout.addView(listView,param);
this.setContentView(linearLayout);
//生成动态数组，加入数据
ArrayList<HashMap<String, Object>> listItem = new ArrayList<HashMap<String, Object>>();
ArrayList<HashMap<String, Object>> listItemRead = new ArrayList<HashMap<String, Object>>();
Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI,null, null, null, null);
while (cursor.moveToNext())
{
HashMap<String, Object> map = new HashMap<String, Object>();
String phoneName = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
map.put("ItemTitle", phoneName);//电话姓名
String contactId = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
String hasPhone = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER));
if (hasPhone.compareTo("1") == 0)
{
Cursor phones = getContentResolver().query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,null,ContactsContract.CommonDataKinds.Phone.CONTACT_ID +" = "+ contactId,null, null);
while (phones.moveToNext())
{
String phoneNumber = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
String phoneTpye = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.TYPE));
map.put("ItemText", phoneNumber); // 多个号码如何处理
Log.d(TAG,"testNum="+ phoneNumber + "type:"+phoneTpye);
}
phones.close();
}
Cursor emails = getContentResolver().query(ContactsContract.CommonDataKinds.Email.CONTENT_URI,null,ContactsContract.CommonDataKinds.Email.CONTACT_ID + " = " + contactId,null, null);
while (emails.moveToNext())
{
String emailAddress = emails.getString(emails.getColumnIndex(ContactsContract.CommonDataKinds.Email.DATA));
String emailType = emails.getString(emails.getColumnIndex(ContactsContract.CommonDataKinds.Email.TYPE));
Log.d(TAG,"testNum="+ emailAddress + "type:"+emailType);
}
emails.close();
listItem.add(map);
}
//生成适配器的Item和动态数组对应的元素
SimpleAdapter listItemAdapter = new SimpleAdapter(this,listItem,//数据源
android.R.layout.simple_list_item_2,//ListItem的XML实现
//动态数组与ImageItem对应的子项
new String[] {"ItemTitle", "ItemText"},
//ImageItem的XML文件里面的一个ImageView,两个TextView ID
new int[] {android.R.id.text1,android.R.id.text2}
);
listView.setAdapter(listItemAdapter);
cursor.close();
//listView.setEmptyView(findViewById(R.id.empty));
listView.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener(){
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
// TODO Auto-generated method stub
//openToast("滚动到："+arg0.getSelectedItemId());
//短信发送
setTitle("选择"+arg2+"项目");
openToast("选择"+arg0.getSelectedItemId()+"项目");
RelativeLayout lr = (RelativeLayout) arg1;
TextView mText = (TextView) lr.getChildAt(1);
openToast(mText.getText().toString());
String number = mText.getText().toString();
Log.d(TAG, "number=" + number);
// 判断电话号码的有效性
if (PhoneNumberUtils.isGlobalPhoneNumber(number)) {
Intent intent = new Intent(Intent.ACTION_SENDTO, Uri
.parse("smsto://" + number));
intent.putExtra("sms_body", "The SMS text");
startActivity(intent);
}
}
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
});
listView.setOnItemClickListener(new AdapterView.OnItemClickListener(){
public void onItemClick(AdapterView<?> arg0, View arg1,
int position, long arg3) {
// TODO Auto-generated method stub
// openToast("Click"+Integer.toString(position+1)+"项目");
RelativeLayout lr = (RelativeLayout) arg1;
TextView mText = (TextView) lr.getChildAt(1);
openToast(mText.getText().toString());
String number = mText.getText().toString();
Log.d(TAG, "number=" + number);
// 判断电话号码的有效性
if (PhoneNumberUtils.isGlobalPhoneNumber(number)) {
Intent intent = new Intent(Intent.ACTION_DIAL, Uri
.parse("tel://" + number));
startActivity(intent);
}
}
});
}
private void openToast(String str){
Toast.makeText(this,str,Toast.LENGTH_SHORT).show();
}
}