android登陆和注册Demo

package com.test.login; import java.io.IOException; import java.util.ArrayList; import java.util.List; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.ParseException; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.protocol.HTTP; import org.apache.http.util.EntityUtils; import org.json.JSONException; import org.json.JSONObject; import android.app.Activity; import android.app.ProgressDialog; import android.content.Intent; import android.net.MailTo; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.provider.ContactsContract.CommonDataKinds.Email; import android.text.TextUtils; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.ProgressBar; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.Toast; public class CreateUserActivity extends Activity implements OnClickListener { public static final String CREATE_ACCOUNT_URL = "http://10.0.2.2:8080/androidWeb/servlet/NewAccount"; public static final int MSG_CREATE_RESULT = 1; private EditText eUsername; private EditText ePwd1; private EditText ePwd2; private RadioGroup rGender; private EditText eAge; private EditText ePhone; private EditText eEmail; private Button btnSubmit; private Button btnReset; ProgressDialog progress; private Handler mHandler = new Handler() { public void handleMessage(Message msg) { switch(msg.what) { case MSG_CREATE_RESULT: progress.dismiss(); JSONObject json = (JSONObject) msg.obj; hanleCreateAccountResult(json); break; } } }; private void hanleCreateAccountResult(JSONObject json) { /* * result_code: * 0 注册成功 * 1 用户名已存在 * 2 数据库操作异常 * */ int result; try { result = json.getInt("result_code"); } catch (JSONException e) { Toast.makeText(this, "没有获取到网络的响应！", Toast.LENGTH_LONG).show(); e.printStackTrace(); return; } if(result == 1) { Toast.makeText(this, "用户名已存在！", Toast.LENGTH_LONG).show(); return; } if(result == 2) { Toast.makeText(this, "注册失败！服务端出现异常！", Toast.LENGTH_LONG).show(); return; } if(result == 0) { Toast.makeText(this, "注册成功！前往登陆界面！", Toast.LENGTH_LONG).show(); Intent intent = new Intent(this, LoginActivity.class); startActivity(intent); finish(); return; } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.create_user_activity); initViews(); } private void initViews() { eUsername = (EditText)findViewById(R.id.new_username); ePwd1 = (EditText)findViewById(R.id.new_password_1); ePwd2 = (EditText)findViewById(R.id.new_password_2); rGender = (RadioGroup)findViewById(R.id.new_radio_group_gender); eAge = (EditText)findViewById(R.id.new_age); ePhone = (EditText)findViewById(R.id.new_phone); eEmail = (EditText)findViewById(R.id.new_email); btnSubmit = (Button)findViewById(R.id.new_btn_submit); btnReset = (Button)findViewById(R.id.new_btn_reset); btnSubmit.setOnClickListener(this); btnReset.setOnClickListener(this); } @Override public void onClick(View v) { switch(v.getId()) { case R.id.new_btn_submit: handleCreateAccount(); break; case R.id.new_btn_reset: handleReset(); break; } } private void handleCreateAccount() { boolean isUsernameValid = checkUsername(); if(!isUsernameValid) { Toast.makeText(this, "用户名不正确，请重新输入", Toast.LENGTH_LONG).show(); return; } int pwdResult = checkPassword(); if(pwdResult == 1) { Toast.makeText(this, "两次输入的密码不一致，请确认！", Toast.LENGTH_LONG).show(); return; } if (pwdResult == 2) { Toast.makeText(this, "密码不能为空！", Toast.LENGTH_LONG).show(); return; } int isAgeValid = checkAge(); if(isAgeValid == -1) { Toast.makeText(this, "年龄不能为空！", Toast.LENGTH_LONG).show(); return; } if(isAgeValid == -2) { Toast.makeText(this, "年龄超出范围(1~100)！", Toast.LENGTH_LONG).show(); return; } if(isAgeValid == -3) { Toast.makeText(this, "年龄格式输入错误，请不要输入字母、符号等其他字符串！", Toast.LENGTH_LONG).show(); return; } if(TextUtils.isEmpty(ePhone.getText().toString())) { Toast.makeText(this, "请输入电话号码！", Toast.LENGTH_LONG).show(); return; } if(TextUtils.isEmpty(eEmail.getText().toString())) { Toast.makeText(this, "请输入邮箱！", Toast.LENGTH_LONG).show(); return; } createAccount(); } private void createAccount() { progress = new ProgressDialog(this); progress.setCancelable(false); progress.setCanceledOnTouchOutside(false); progress.show(this, null, "注册中..."); new Thread(new Runnable() { @Override public void run() { Log.d("yanghongbing", "Start Network!"); HttpClient httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(CREATE_ACCOUNT_URL); List<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("username", eUsername.getText().toString())); params.add(new BasicNameValuePair("password", ePwd1.getText().toString())); RadioButton selectedGender = (RadioButton)CreateUserActivity.this.findViewById(rGender.getCheckedRadioButtonId()); params.add(new BasicNameValuePair("gender", selectedGender.getText().toString())); params.add(new BasicNameValuePair("age", eAge.getText().toString())); params.add(new BasicNameValuePair("phone", ePhone.getText().toString())); params.add(new BasicNameValuePair("email", eEmail.getText().toString())); try { httpPost.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8)); HttpResponse httpResponse = httpClient.execute(httpPost); if(httpResponse.getStatusLine().getStatusCode() == 200) { Log.d("yanghongbing", "Network OK!"); HttpEntity entity = httpResponse.getEntity(); String entityStr = EntityUtils.toString(entity); String jsonStr = entityStr.substring(entityStr.indexOf("{")); JSONObject json = new JSONObject(jsonStr); sendMessage(MSG_CREATE_RESULT, json); } } catch (ClientProtocolException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (JSONException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }).start(); } private boolean checkUsername() { String username = eUsername.getText().toString(); if(TextUtils.isEmpty(username)) { return false; } return true; } private int checkPassword() { /* * return value: * 0 password valid * 1 password not equal 2 inputs * 2 password empty * */ String pwd1 = ePwd1.getText().toString(); String pwd2 = ePwd2.getText().toString(); if(!pwd1.equals(pwd2)) { return 1; } else if(TextUtils.isEmpty(pwd1)) { return 2; } else { return 0; } } private int checkAge() { /* * return value * 0 输入合法 * -1 输入为空 * -2输入为负数 * -3输入为非数值字符串或包括小数