注册帐号时发送验证码倒计时

public class RegisterActivity extends Activity {
private Button btn_second;
private EditText et_Account, et_verify_code, rPOnce, rPTwice;
private ProgressDialog dialog_PD;
private TextView title;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.register_activity);
title = (TextView) findViewById(R.id.title_text);
title.setText(getString(R.string.register_title));

btn_second = (Button) findViewById(R.id.btn_second);
et_Account = (EditText) findViewById(R.id.et_account);
et_verify_code = (EditText) findViewById(R.id.et_verify_code);
rPOnce = (EditText) findViewById(R.id.et_pwd);
rPTwice = (EditText) findViewById(R.id.et_confirm_pwd);

rPOnce.setOnFocusChangeListener(etFocusChangeListener);
rPTwice.setOnFocusChangeListener(etFocusChangeListener);
}

public void doClick(View view) {
int id = view.getId();
if (id == R.id.btn_second) {
if (TextUtils.isEmpty(et_Account.getText().toString())) {
Helper.myToast(this, "手机为空");
} else if (!Helper.isPhoneNumber(et_Account.getText().toString())) {
Helper.myToast(this, "手机格式不对");
return;
} else {
String accountNum = et_Account.getText().toString().trim();
Map<String, String> params = new HashMap<String, String>();
params.put("telephone", accountNum);
(new HttpUtilService()).AsynPost(new NetCallbackListener() {

@Override
public void onSuccess(String result) {
Logger.dout("xxxxx"+result);
try {
JSONObject jsonObject = new JSONObject(result);
int code = jsonObject.getInt("code");
if (code==0) {
UserInfo.random = jsonObject.getString("random");
Helper.myToast(RegisterActivity.this, "获取成功，请注意查收");
jishi = 120;
btn_second.setEnabled(false);
btn_second.setTextColor(getResources().getColor(
R.color.light_gray));
timer = new Timer();
timer.schedule(new TimerTask() {

@Override
public void run() {
handler.sendEmptyMessage(jishi--);
}
}, 0, 1000);
}else if (code == 5) {
Helper.myToast(RegisterActivity.this, "该号码已注册");
return;
}
else if (code==-1) {
//								UserInfo.random = jsonObject.getString("random");
}
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onFail(String result) {
// TODO Auto-generated method stub
dialog_PD.dismiss();
}
}, Helper.WEBSITE + "sendMsg", params);
}
} else if (id == R.id.btn_register) {
Logger.dout(UserInfo.random);
String once = rPOnce.getText().toString();
String twice = rPTwice.getText().toString();
String verify_code_sms = et_verify_code.getText().toString();
String phone = et_Account.getText().toString();
if (TextUtils.isEmpty(phone)
|| et_Account.getText().toString().trim().length() == 0) {
Helper.myToast(this, "手机为空");
return;
}
if (TextUtils.isEmpty(et_verify_code.getText().toString())
|| et_verify_code.getText().toString().trim().length() == 0) {
Helper.myToast(this, "验证码为空");
return;
}

if (!verify_code_sms.equals(UserInfo.random)) {
Helper.myToast(this, "验证码不正确,请重新获取");
return;
}
if (!once.equals(twice)) {
Helper.myToast(this, "密码输入不一致");
return;
}
if (once.length() < 6) {
Helper.myToast(this, "密码长度不能少于6位");
return;
}
if (!Helper.canNetworkUseful(this)) {
return;
}
dialog_PD = ProgressDialog.show(this, null,
"正在加载...请稍后", true, false);
dialog_PD.setProgressStyle(ProgressDialog.STYLE_SPINNER);
dialog_PD.setCancelable(true);

Map<String, String> params = new HashMap<String, String>();
params.put("telephone", phone);
params.put("password", once);
(new HttpUtilService()).AsynPost(new NetCallbackListener() {

@Override
public void onSuccess(String result) {
Logger.dout("xxoo"+result);
dialog_PD.dismiss();
try {
JSONObject json = new JSONObject(result);

int code = json.getInt("code");
Logger.dout("xxoo"+code);

if (code == 1) {
Helper.myToast(RegisterActivity.this, getString(R.string.register_toast_success));
Intent i = new Intent(RegisterActivity.this,LoginActivity.class);
i.putExtra("username", et_Account.getText().toString());
i.putExtra("password", rPOnce.getText().toString());
i.putExtra("finishRegister", true);
startActivity(i);
RegisterActivity.this.finish();

} else if (code == 2) {
Helper.myToast(RegisterActivity.this, "手机已被注册");

} else {
Helper.myToast(RegisterActivity.this, "未知错误");

}
} catch (Exception e) {
e.printStackTrace();
}
}

@Override
public void onFail(String result) {
dialog_PD.dismiss();
Helper.myToast(RegisterActivity.this, result);
}
}, Helper.WEBSITE + "Register", params);
}

}

/**
* 焦点切换处理
*/
OnFocusChangeListener etFocusChangeListener = new OnFocusChangeListener() {

@Override
public void onFocusChange(View v, boolean hasFocus) {
// TODO Auto-generated method stub
if (hasFocus) {
try {
// 设置光标位置：到最后
EditText etTmp = (EditText) v;
etTmp.setSelection(etTmp.getText().toString().length());

} catch (Exception e) {
Helper.myToast(RegisterActivity.this, "处理输入监听出错");
}
} else {
// 失去焦点
}
}
};
private Timer timer;// 计时器
int jishi = 120;

private Handler handler = new Handler() {
public void handleMessage(android.os.Message msg) {
if (msg.what == 0) {
btn_second.setEnabled(true);
btn_second.setText("发送验证码");
btn_second.setTextColor(getResources().getColor(
R.color.black));
timer.cancel();
} else {
btn_second.setText(msg.what + "秒");
}
};
};
/**返回按键*/
public void titleBack(View v) {
finish();
}

@Override
public void onDestroy() {
if (timer != null)
timer.cancel();
super.onDestroy();
}
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/beijing"
android:orientation="vertical" >

<include layout="@layout/title" />

<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent" >

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_marginTop="10dp"
android:orientation="vertical" >

<ImageView
android:layout_width="120dip"
android:layout_height="140dip"
android:layout_gravity="center_horizontal"
android:src="@drawable/register_top" />

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:background="@drawable/button_rect_selector"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="5dp"
android:visibility="gone" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="注册后才能联系到医生哦~"
android:textColor="@color/red" />
</LinearLayout>

<LinearLayout
style="@style/u_edit_bg"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="10dp"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="10dp" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:textColor="@color/gray"
android:drawablePadding="3dip"
android:drawableLeft="@drawable/img_phone"
android:textSize="18sp" />

<EditText
android:id="@+id/et_account"
android:layout_width="0dip"
android:layout_weight="1"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:background="@null"
android:inputType="number"
android:maxLength="11"
android:hint="请输入11位手机号"
android:textColor="@color/black" />
<Button
android:id="@+id/btn_second"
android:layout_width="80dp"
android:layout_height="36dp"
android:background="@drawable/bt_register"
android:onClick="doClick"
android:padding="8dp"
android:text="获取验证码"
android:textColor="@color/black"
android:textSize="16sp" />
</LinearLayout>

<LinearLayout
style="@style/u_edit_bg"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="5dp"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="10dp" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="@color/gray"
android:gravity="center"
android:drawablePadding="3dip"
android:drawableLeft="@drawable/img_code"
android:textSize="18sp" />

<EditText
android:id="@+id/et_verify_code"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_weight="1"
android:background="@null"
android:hint="请输入验证码"
android:inputType="number"
android:textColor="@color/black" />

</LinearLayout>

<LinearLayout
android:id="@+id/ll_password"
style="@style/u_edit_bg"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="3dp"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="10dp" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:drawablePadding="3dip"
android:drawableLeft="@drawable/th_password"
android:text="输入密码:"
android:textColor="@color/gray"
android:textSize="18sp" />

<EditText
android:id="@+id/et_pwd"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_weight="1"
android:background="@null"
android:hint="6-20位数字或字母"
android:inputType="textPassword"
android:maxLength="20"
android:textColor="@color/black" />
</LinearLayout>

<LinearLayout
android:id="@+id/ll_password1"
style="@style/u_edit_bg"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:layout_marginTop="3dp"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="10dp" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="确认密码:"
android:textColor="@color/gray"
android:gravity="center"
android:drawablePadding="3dip"
android:drawableLeft="@drawable/th_password_confirm"
android:textSize="18sp" />

<EditText
android:id="@+id/et_confirm_pwd"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:layout_weight="1"
android:background="@null"
android:hint="再次输入密码"
android:inputType="textPassword"
android:maxLength="20"
android:textColor="@color/black" />
</LinearLayout>

<Button
android:id="@+id/btn_register"
android:layout_width="fill_parent"
android:layout_height="40dp"
android:layout_gravity="center_horizontal"
android:layout_marginLeft="23dp"
android:layout_marginRight="23dp"
android:layout_marginTop="15dp"
android:background="@drawable/btn_selector_new"
android:onClick="doClick"
android:text="注册"
android:textColor="@color/white"
android:textSize="20dp" />
</LinearLayout>
</ScrollView>

</LinearLayout>