android 2.2 获取联系人，电话，并拨号

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> listItem = new ArrayList>();
        ArrayList> listItemRead = new ArrayList>();
        Cursor cursor = getContentResolver().query(ContactsContract.Contacts.CONTENT_URI,null, null, null, null);
        while (cursor.moveToNext())
        {
        HashMap map = new HashMap();
        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();
    }
}

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