Android Open Source - SiriRestClientUI Vehicle Mon Request Fragment

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2012 University of South Florida
 * //ww w  .ja v  a2s  .com
 * 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.
 */

package edu.usf.cutr.siri.android.ui.fragments;

import uk.org.siri.siri.Siri;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import edu.usf.cutr.siri.android.client.SiriRestClient;
import edu.usf.cutr.siri.android.ui.MainActivity;
import edu.usf.cutr.siri.android.ui.R;
import edu.usf.cutr.siri.android.util.SiriUtilsUI;

/**
 * The UI for the input fields for the SIRI Vehicle Monitoring Request, which
 * triggers the HTTP request for Vehicle Monitoring Request JSON or XML data.
 * 
 * @author Sean Barbeau
 * 
 */
public class VehicleMonRequestFragment extends BaseRequestFragment {

  /**
   * EditText fields to hold values typed in by user
   */
  EditText key;
  EditText operatorRef;
  EditText vehicleRef;
  EditText lineRef;
  EditText directionRef;
  EditText vehicleMonitoringDetailLevel;
  EditText maximumNumberOfCallsOnwards;

  /**
   * String keys for each field so user-entered content can be saved and
   * restored between executions
   */
  String keyVehKey = "VehKey";
  String keyVehOperatorRef = "VehOperatorRef";
  String keyVehLineRef = "VehLineRef";
  String keyVehDirectionRef = "VehDirectionRef";
  String keyVehicleMonitoringDetailLevel = "VehicleMonitoringDetailLevel";
  String keyVehMaximumNumberOfCallsOnwards = "VehMaximumNumberOfCallsOnwards";

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.siri_vehicle_mon_request, container,
        false);

    key = (EditText) v.findViewById(R.id.key);
    operatorRef = (EditText) v.findViewById(R.id.operatorRef);
    vehicleRef = (EditText) v.findViewById(R.id.vehicleRef);
    lineRef = (EditText) v.findViewById(R.id.lineRef);
    directionRef = (EditText) v.findViewById(R.id.directionRef);
    vehicleMonitoringDetailLevel = (EditText) v
        .findViewById(R.id.vehicleMonDetailLevel);
    maximumNumberOfCallsOnwards = (EditText) v
        .findViewById(R.id.maxNumOfCallsOnwards);

    final Button button = (Button) v.findViewById(R.id.submit);

    button.setOnClickListener(new View.OnClickListener() {
      public void onClick(View v) {

        // Start Async task to make REST request
        new DownloadVehicleInfoTask().execute();

        // TODO Get response back and show in another tab, then switch
        // to that tab
      }
    });

    // //Set UI fields with saved user-entered text from last run
    // TODO - savedInstanceState is always null, figure out why
    // if(savedInstanceState != null){
    // Log.d(MainActivity.TAG, "VehicleMon savedInstanceState is NOT null");
    // if(savedInstanceState.getString(keyVehKey) != null){
    // //Try to get last-used developer key
    // key.setText(savedInstanceState.getString(keyVehKey));
    // }else{
    // // Try to get the developer key from a resource file, if it exists
    // String strKey = SiriUtilsUI.getKeyFromResource(getActivity());
    // key.setText(strKey);
    // }
    //
    // //if any values = null, then just fill the field with an empty string
    // - null should only happen on first execution
    // operatorRef.setText(savedInstanceState.getString(keyVehOperatorRef)
    // != null ? savedInstanceState.getString(keyVehOperatorRef) : "");
    // lineRef.setText(savedInstanceState.getString(keyVehLineRef) != null ?
    // savedInstanceState.getString(keyVehLineRef) : "");
    // directionRef.setText(savedInstanceState.getString(keyVehDirectionRef)
    // != null ? savedInstanceState.getString(keyVehDirectionRef) : "");
    // vehicleMonitoringDetailLevel.setText(savedInstanceState.getString(keyVehicleMonitoringDetailLevel)
    // != null ?
    // savedInstanceState.getString(keyVehicleMonitoringDetailLevel) : "");
    // maximumNumberOfCallsOnwards.setText(savedInstanceState.getString(keyVehMaximumNumberOfCallsOnwards)
    // != null ?
    // savedInstanceState.getString(keyVehMaximumNumberOfCallsOnwards) :
    // "");
    // }else{
    // Log.d(MainActivity.TAG, "VehicleMon savedInstanceState is null");
    // Try to get the developer key from a resource file, if it exists
    String strKey = SiriUtilsUI.getKeyFromResource(getActivity());
    key.setText(strKey);
    // }

    return v;
  }

  // @Override
  // public void onSaveInstanceState(Bundle outState) {
  // //Save user-entered UI fields for next execution
  // outState.putString(keyVehKey, key.getText().toString());
  // outState.putString(keyVehOperatorRef, operatorRef.getText().toString());
  // outState.putString(keyVehLineRef, lineRef.getText().toString());
  // outState.putString(keyVehDirectionRef,
  // directionRef.getText().toString());
  // outState.putString(keyVehicleMonitoringDetailLevel,
  // vehicleMonitoringDetailLevel.getText().toString());
  // outState.putString(keyVehMaximumNumberOfCallsOnwards,
  // maximumNumberOfCallsOnwards.getText().toString());
  //
  // super.onSaveInstanceState(outState);
  // }

  protected class DownloadVehicleInfoTask extends BaseDownloadInfoTask {

    /**
     * Make the vehicle mon request to the server using the passed in client, 
     * and return the Siri object to the superclass
     */
    @Override
    protected Siri makeRequest(SiriRestClient client) {

      // Get integer values from TextBoxes
      int directionRefInt = -1, maximumNumberOfCallsOnwardsInt = -1;
      try {
        directionRefInt = Integer.parseInt(directionRef.getText()
            .toString());
      } catch (NumberFormatException e) {
        if (directionRef.getText().toString().length() != 0) {
          Log.w(MainActivity.TAG,
              "Invalid value entered for DirectionRef: " + e);
        }
      }
      try {
        maximumNumberOfCallsOnwardsInt = Integer
            .parseInt(maximumNumberOfCallsOnwards.getText()
                .toString());
      } catch (NumberFormatException e) {
        if (maximumNumberOfCallsOnwards.getText().toString().length() != 0) {
          Log.w(MainActivity.TAG,
              "Invalid value entered for MaximumNumberOfCallsOnwardsInt: "
                  + e);
        }
      }

      Siri siri = client.makeVehicleMonRequest(key.getText().toString(),
          operatorRef.getText().toString(), vehicleRef.getText()
              .toString(), lineRef.getText().toString(),
          directionRefInt, vehicleMonitoringDetailLevel.getText()
              .toString(), maximumNumberOfCallsOnwardsInt);
      return siri;
    }

  }
}

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