Android Open Source - Android_AMT_Unlocker A M T_ Unlocker Activity

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License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions f...

Java Source Code

package com.abombrecords.amt_unlocker;
/*from  w ww.j av a  2  s.c o m*/
/*
 * Copyright 2012, Adam Briggs
 *
 * 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.
 */

/* 
 *  AMT_UnlockerActivity.java
 * 
 *  This is the main (only) activity for the AMT Unlocker app
 *  the code mostly just handles UI interaction, with a little bit of simple parameter checking and error handling
 */

import android.app.Activity;
import android.content.Context;
//import android.util.Log ;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.widget.CheckBox;
import android.widget.TextView;
import android.widget.Toast; 
import android.widget.EditText ;

public class AMT_UnlockerActivity extends Activity {
  
  //private static final String LogTag = "AMTActivity" ;
  
  private AMT_UnlockerSettings unlockerSettings ;
  
  private EditText theUsernameText ;
  private EditText thePasswordText ;
  private CheckBox theCheckBox ;
  private EditText thePinText ;
  private Context  theContext ;
  
  // UnlockTask uses an AsyncTask to communicate with AMT_Unlocker (the service that unlocks the door)
  // so that long walks on the beach or over the internet don't stall the UI thread
  private class UnlockTask extends AsyncTask<String, Integer, Integer> {
    
    @Override
    protected void onPreExecute() {
      setProgressBarIndeterminateVisibility(true) ;
    }
    
    @Override
    protected Integer doInBackground(String... Args) {
      try {
        if (true == AMT_Unlocker.UnlockDoor(Args[0], Args[1], Args[2])) {
          return 1 ;
        } else
          return 0 ;
      } catch (Exception e) {
        return -1 ;
      }
    }

    @Override
    protected void onPostExecute(Integer result) {
      setProgressBarIndeterminateVisibility(false);
      switch (result) {
      case 1:
        break ;
      case 0:
        Toast.makeText(theContext, R.string.auth_failure_string, Toast.LENGTH_LONG).show() ;
        break ;
      case -1:
      default:
        Toast.makeText(theContext, R.string.http_exception_string, Toast.LENGTH_LONG).show() ;
        break ;
      }
      
    }
  }
  
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // this window feature lets us have a spinning busy icon in the menu bar
        requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
        setContentView(R.layout.main);
        
        unlockerSettings = new AMT_UnlockerSettings(this) ;

      theUsernameText = (EditText) findViewById(R.id.userText) ;
    thePasswordText = (EditText) findViewById(R.id.passwordText) ;
    theCheckBox = (CheckBox) findViewById(R.id.rememberCheckBox) ;
    thePinText = (EditText) findViewById(R.id.pinText) ;
    theContext = (Context)this ;
    
        if (unlockerSettings.Load()) {
          //Log.d(LogTag, "Loading Settings") ;
          
        theUsernameText.setText(unlockerSettings.Username,
            TextView.BufferType.EDITABLE) ;
        
        thePasswordText.setText(unlockerSettings.Password,
            TextView.BufferType.EDITABLE) ;
        
        // if settings loaded, then the last user must have wanted them to be saved.
        theCheckBox.setChecked(true) ;
        }
    }
    
    public void myClickHandler(View theView) {
          
      switch (theView.getId()) {
      
      // Called when the check box is checked or un-checked
      // NB that not remembering settings also deletes any old settings
      case R.id.rememberCheckBox:
        if (theCheckBox.isChecked()) {
              //Log.d(LogTag, "Saving Settings");
          unlockerSettings.Username = theUsernameText.getText().toString() ;
          unlockerSettings.Password = thePasswordText.getText().toString() ;
          unlockerSettings.Save();
        } else {
          //Log.d(LogTag, "Deleting Settings") ;
          unlockerSettings.Delete();
        }
        break ;
      
      // Called when the unlock button is clicked
      case R.id.doit_button:
        
        if (theUsernameText.getText().length() == 0) {
          Toast.makeText(this, R.string.enter_username_string, Toast.LENGTH_LONG).show() ;
          return ;
        }
        
        if (thePasswordText.getText().length() == 0) {
          Toast.makeText(this, R.string.enter_password_string, Toast.LENGTH_LONG).show() ;
          return ;
        }
        
        if (thePinText.getText().length() != 4) {
          Toast.makeText(this, R.string.enter_pin_string, Toast.LENGTH_LONG).show();
          return ;
        }
        
        //Log.d(LogTag, "Unlocking Door") ;
        
        // Launch the task to unlock the door
          new UnlockTask().execute(theUsernameText.getText().toString(),
                thePasswordText.getText().toString(),
                thePinText.getText().toString()) ;
        break ;
      }
    }
}

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