Android实现新增及编辑联系人的方法

package huahua.contactsfragment;import java.util.Collections;import huahua.huahuacontacts.R;import huahua.huahuacontacts.Utils;import android.app.Activity;import android.app.ProgressDialog;import android.content.ContentResolver;import android.content.ContentUris;import android.content.ContentValues;import android.content.Intent;import android.net.Uri;import android.os.AsyncTask;import android.os.Bundle;import android.provider.ContactsContract;import android.provider.ContactsContract.CommonDataKinds.Phone;import android.provider.ContactsContract.CommonDataKinds.StructuredName;import android.provider.ContactsContract.RawContacts;import android.provider.ContactsContract.RawContacts.Data;import android.util.Log;import android.view.View;import android.view.Window;import android.widget.Button;import android.widget.EditText;import android.widget.TextView;import android.widget.Toast;public class AddContactsActivity extends Activity{ private Button m_SaveBtn; private EditText m_EditName; private EditText m_EditNum; private TextView m_TextTitle; private String m_ContactId; private int m_Type; ProgressDialog m_dialogLoading; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.requestWindowFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.add_contacts); Intent intent = getIntent(); Bundle bundle = intent.getBundleExtra("person"); m_TextTitle = (TextView)findViewById(R.id.text_title); m_EditName = (EditText)findViewById(R.id.edit_name); m_EditNum = (EditText)findViewById(R.id.edit_num); m_Type = bundle.getInt("tpye"); m_EditName.setText(bundle.getString("name")); m_EditNum.setText(bundle.getString("number")); if(m_Type == 0)//新增联系人 {  m_TextTitle.setText("新增联系人"); } else if(m_Type == 1)//编辑联系人 {  m_ContactId = bundle.getString("id");  m_TextTitle.setText("编辑联系人"); } m_SaveBtn = (Button)findViewById(R.id.btn_save_contact); m_SaveBtn.setOnClickListener(new View.OnClickListener() {  @Override  public void onClick(View v) {  if("".equals(m_EditName.getText().toString()))  {   Toast.makeText(AddContactsActivity.this, "请输入联系人姓名", Toast.LENGTH_SHORT).show();  }  else if("".equals(m_EditNum.getText().toString()))  {   Toast.makeText(AddContactsActivity.this, "请输入联系人电话", Toast.LENGTH_SHORT).show();  }  else if(m_Type == 0)  {   //新增联系人操作,放在线程中处理   new SaveContactTask().execute();  }  else if(m_Type == 1)  {   //更新联系人操作,放在线程中处理   new ChangeContactTask().execute();  }  } }); } class SaveContactTask extends AsyncTask<Void, Integer, Void>{ @Override protected Void doInBackground(Void... params) {  Utils.AddContact(m_EditName.getText().toString(), m_EditNum.getText().toString());  return null; } @Override protected void onPostExecute(Void result) {  if(m_dialogLoading!= null)  {  m_dialogLoading.dismiss();  finish();  } } @Override protected void onPreExecute() {  m_dialogLoading = new ProgressDialog(AddContactsActivity.this);     m_dialogLoading.setProgressStyle(ProgressDialog.STYLE_SPINNER);//设置风格为圆形进度条     m_dialogLoading.setMessage("正在保存联系人");     m_dialogLoading.setCancelable(false);      m_dialogLoading.show(); } @Override protected void onProgressUpdate(Integer... values) { } } class ChangeContactTask extends AsyncTask<Void, Integer, Void>{ @Override protected Void doInBackground(Void... params) {  Utils.ChangeContact(m_EditName.getText().toString(), m_EditNum.getText().toString(),m_ContactId);  return null; } @Override protected void onPostExecute(Void result) {  if(m_dialogLoading!= null)  {  m_dialogLoading.dismiss();  finish();  } } @Override protected void onPreExecute() {  m_dialogLoading = new ProgressDialog(AddContactsActivity.this);     m_dialogLoading.setProgressStyle(ProgressDialog.STYLE_SPINNER);//设置风格为圆形进度条     m_dialogLoading.setMessage("正在保存联系人");     m_dialogLoading.setCancelable(false);      m_dialogLoading.show(); } @Override protected void onProgressUpdate(Integer... values) { } }}