Android Open Source - Android-LensRocket Login Activity

From Project

Back to project page Android-LensRocket.

License

The source code is released under:

Copyright (c) 2014 Microsoft Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software...

If you think the Android project Android-LensRocket listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

/*
Created by Chris Risner/*ww  w . jav  a  2s . c  o m*/
Copyright (c) Microsoft Corporation
All Rights Reserved
Apache 2.0 License
 
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
 
     http://www.apache.org/licenses/LICENSE-2.0
 
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 
See the Apache Version 2.0 License for specific language governing permissions and limitations under the License.
 */

package com.msted.lensrocket.activities;

import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.microsoft.windowsazure.mobileservices.ApiOperationCallback;
import com.microsoft.windowsazure.mobileservices.ServiceFilterResponse;
import com.msted.lensrocket.Constants;
import com.msted.lensrocket.base.BaseActivity;
import com.msted.lensrocket.util.NoNetworkConnectivityException;
import com.msted.lensrocket.util.LensRocketAlert;
import com.msted.lensrocket.util.LensRocketLogger;
import com.msted.lensrocket.util.LensRocketRegisterResponse;
import com.msted.lensrocket.util.TextValidator;
import com.msted.lensrocket.R;

public class LoginActivity extends BaseActivity {
  
  private final String TAG = "LoginActivity";
  private EditText mTxtUsername;
  private EditText mTxtPassword;
  private Button mBtnLogin;
  private ProgressBar mProgressLogin;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_login);
    mTxtUsername = (EditText) findViewById(R.id.txtUsername);
    mTxtPassword = (EditText) findViewById(R.id.txtPassword);
    mBtnLogin = (Button) findViewById(R.id.btnLogin);
    mProgressLogin = (ProgressBar) findViewById(R.id.progressLogin);
    mTxtUsername.addTextChangedListener(new TextValidator(mTxtUsername) {      
      @Override
      public void validate(TextView textView, String text) {
        checkValid();
      }
    });
    mTxtPassword.addTextChangedListener(new TextValidator(mTxtPassword) {      
      @Override
      public void validate(TextView textView, String text) {
        checkValid();        
      }
    });
    mBtnLogin.setOnClickListener(loginListener);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    return true;
  }
  
  private OnClickListener loginListener = new OnClickListener() {    
    @Override
    public void onClick(View v) {
      mBtnLogin.setVisibility(View.GONE);
      mProgressLogin.setVisibility(View.VISIBLE);    
      mLensRocketService.loginUser(mTxtUsername.getText().toString(), 
          mTxtPassword.getText().toString(), new ApiOperationCallback<LensRocketRegisterResponse>() {    
        @Override
        public void onCompleted(LensRocketRegisterResponse response, Exception exc,
            ServiceFilterResponse arg2) {
          LensRocketLogger.i(TAG, "onCompleted login");
          if (exc != null || response.Error != null) {
            mBtnLogin.setVisibility(View.VISIBLE);
            mProgressLogin.setVisibility(View.GONE);
            if (exc != null) {
              if (NoNetworkConnectivityException.class.isInstance(exc))
                return;
              LensRocketAlert.showSimpleErrorDialog(mActivity, exc.getCause().getMessage());
            }
            else
              LensRocketAlert.showSimpleErrorDialog(mActivity, response.Error);                  
          } else {
            mLensRocketService.setUserAndSaveData(response);              
            finish();
            Intent intent = new Intent(mActivity, RecordActivity.class);
            intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
            startActivity(intent);            
          }          
        }
      });
    }
  };
  
  private void checkValid() {
    if (this.isValid()) {
      mBtnLogin.setBackgroundResource(R.drawable.sign_up_button_style);
    } else {
      mBtnLogin.setBackgroundResource(R.drawable.splash_screen_button_inactive);
    }
  }
  
  private boolean isValid() {
    if (mTxtUsername.getText().toString().length() < Constants.MIN_USERNAME_LENGTH)
      return false;
    if (mTxtPassword.getText().toString().length() < Constants.MIN_PASSWORD_LENGTH)
      return false;
    if (mTxtPassword.getText().toString().equals(""))
      return false;    
    return true;
  }
}

Java Source Code List