UserLoginActivity.java

package cn.eoe.app.ui;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Toast;

import cn.eoe.app.R;
import cn.eoe.app.biz.UserDao;
import cn.eoe.app.https.HttpUtils;
import cn.eoe.app.https.NetWorkHelper;
import cn.eoe.app.ui.base.BaseActivity;
import cn.eoe.app.utils.IntentUtil;

import com.google.zxing.CaptureActivity;

public class UserLoginActivity extends BaseActivity implements OnClickListener {

    private EditText editKey;
    private ImageView imgTitleButton;
    private LinearLayout goHome;
    private Button mBtnAnother;
    private Button mBtnBind;
    private UserDao mUserDao;
    private SharedPreferences share;
    private Button mBtnScan;

    static final private int GET_CODE = 0;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);
        setContentView(R.layout.user_login_activity);
        share = UserLoginActivity.this.getSharedPreferences(
                UserLoginUidActivity.SharedName, Context.MODE_PRIVATE);
        mUserDao = new UserDao(this);
        initControl();
    }

    private void initControl() {
        imgTitleButton = (ImageView) findViewById(R.id.imageview_user_title);
        imgTitleButton.setOnClickListener(this);
        goHome = (LinearLayout) findViewById(R.id.Linear_above_toHome);
        goHome.setOnClickListener(this);
        editKey = (EditText) findViewById(R.id.edittext_user_key);
        editKey.setOnClickListener(this);
        mBtnAnother = (Button) findViewById(R.id.login_button_another);
        mBtnAnother.setOnClickListener(this);
        mBtnBind = (Button) findViewById(R.id.user_login_bind);
        mBtnBind.setOnClickListener(this);
        mBtnScan = (Button) findViewById(R.id.scan_user_key);
        mBtnScan.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        switch (v.getId()) {
            case R.id.edittext_user_key:
                break;
            case R.id.imageview_user_title:

                break;
            case R.id.Linear_above_toHome:
                if (share.contains(UserLoginUidActivity.KEY)
                        && !share.getString(UserLoginUidActivity.KEY, "")
                                .equals("")) {
                    IntentUtil.start_activity(this, UserCenterActivity.class);
                    finish();
                } else {
                    showLongToast(getResources().getString(
                            R.string.user_center_error));
                }
                break;
            case R.id.login_button_another:
                IntentUtil.start_activity(this, UserLoginUidActivity.class);
                finish();
                break;
            case R.id.user_login_bind:
            	loginBind();
                break;
            case R.id.scan_user_key:
                startActivityForResult(new Intent(this, CaptureActivity.class), GET_CODE);
                break;
        }
    }
    /**
     * 绑定密钥登陆
     * @author com360
     */
    private void loginBind(){
    	String key = editKey.getText().toString().trim();
        if (TextUtils.isEmpty(key)) {
            Toast.makeText(this, R.string.user_login_enter_key, Toast.LENGTH_SHORT).show();
            return;
        }
        if (!NetWorkHelper.checkNetState(this)){
        	showLongToast(getResources().getString(R.string.httpisNull));
        	return ;
        }
        new LoginAsyncTask().execute();
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        // 当前只有一个返回值
        if (resultCode == RESULT_OK && requestCode == GET_CODE) {
            String result = data.getExtras().getString("result");
            if (TextUtils.isEmpty(result)) {
                showShortToast(R.string.scan_retry);
                return;
            }

            editKey.setText(result);
            //TODO 可以直接执行绑定
            loginBind();
        }
    }

    class LoginAsyncTask extends AsyncTask<String, Void, Boolean> {

        @Override
        protected void onPreExecute() {
            // TODO Auto-generated method stub
            super.onPreExecute();
            showAlertDialog("温馨提示", "正在登录请稍等一下~");
        }

        @Override
        protected Boolean doInBackground(String... params) {
            // TODO Auto-generated method stub
//            if (!HttpUtils.isNetworkAvailable(UserLoginActivity.this)) {
//                showLongToast(getResources().getString(R.string.httpisNull));
//                return false;
//            }
            try {
                return mUserDao.mapperJson(editKey.getText().toString()) != null ? true
                        : false;
            } catch (Exception e) {
                e.printStackTrace();
            }
            return false;
        }

        @Override
        protected void onPostExecute(Boolean result) {
            // TODO Auto-generated method stub
            super.onPostExecute(result);
            mAlertDialog.dismiss();
            if (result) {
                showLongToast("登录成功");
                Editor edit = share.edit();
                edit.putString(UserLoginUidActivity.KEY, editKey.getText()
                        .toString());
                edit.commit();
                IntentUtil.start_activity(UserLoginActivity.this,
                        UserCenterActivity.class);
                finish();
            } else {
                showLongToast(getResources().getString(
                        R.string.user_loginKey_error));
            }
        }
    }
}