edu.chl.dat255.sofiase.readyforapet.viewcontroller.SelectGameActivity.java Source code

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Here is the source code for edu.chl.dat255.sofiase.readyforapet.viewcontroller.SelectGameActivity.java

Source

package edu.chl.dat255.sofiase.readyforapet.viewcontroller;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.Serializable;
import edu.chl.dat255.sofiase.readyforapet.R;
import edu.chl.dat255.sofiase.readyforapet.model.Dog;
import edu.chl.dat255.sofiase.readyforapet.model.Pet;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

/**
 * Class SelectGame, makes it possible to continue playing with the current pet or create a new one.
 * Loads the pet from internal memory if an existing pet exists.
 * Prompts the user if it tries to create a new pet when it already has one.
 * 
 * Copyright (C) 2013 Katrin Miettinen, Linnea Pettersson, Sofia Selin, Johanna Ydergard
 * 
 * Licensed under the MIT license. This file must only be used in accordance with the license. 
 *
 */
public class SelectGameActivity extends Activity implements Serializable {

    private static final long serialVersionUID = 1L;
    private TextView warningMessage;
    private Dog dog;

    //Variable for tests
    private final String LOG_TAG1 = "Information about the file when loading";

    /**
     * onCreate method
     * 
     * @param savedInstanceState - Bundle
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.selectgame);
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

        if (dog == null) {
            try {
                dog = (Dog) Pet.load("pet_file.dat", SelectGameActivity.this);
            } catch (FileNotFoundException e) {
                System.out.print("File not found ");
                e.printStackTrace();
            } catch (IOException e) {
                System.out.print("IO Exception ");
                e.printStackTrace();
            } catch (ClassNotFoundException e) {
                System.out.print("Class not found exception ");
                e.printStackTrace();
            }

            //Test to see if the file exist on internal memory when loading
            File file = getBaseContext().getFileStreamPath("pet_file.dat");
            if (file.exists()) {
                Log.i(LOG_TAG1, "is saved on internal memory");
            } else {
                Log.i(LOG_TAG1, "is not saved on internal memory");
            }
        }

        //Continue button starts petActivity if there is an existing pet
        Button continuePreviousGame = (Button) findViewById(R.id.continuegame);
        continuePreviousGame.setOnClickListener(new OnClickListener() {

            /**
             * Method onClick for the continue previous game button
             * 
             * @param v - View
             */
            public void onClick(View v) {

                if (dog != null) {
                    startActivity(new Intent(SelectGameActivity.this, PetActivity.class));
                }

                else {
                    Toast.makeText(SelectGameActivity.this, "Create a pet first!", Toast.LENGTH_SHORT).show();
                }
            }
        });

        //What happens when button create new pet is pushed
        Button createNewPet = (Button) findViewById(R.id.createnewpet);
        createNewPet.setOnClickListener(new OnClickListener() {
            /**
             * Method onClick for the create new pet button
             * 
             * @param v - View
             */
            public void onClick(View v) {
                //Show a warning alert for creating a new pet if user already has a pet that is still alive.
                if (dog != null && CreatePetActivity.getPet().isAlive()) {
                    showWarningAlert();
                } else {
                    startActivity(new Intent(SelectGameActivity.this, CreatePetActivity.class));
                }
            }
        });
    }

    Runnable makeTextGone = new Runnable() {
        @Override
        public void run() {
            warningMessage.setVisibility(View.GONE);
        }
    };

    /**
     * Configurates the navigate Up button in this activity
     *
     * @param item - MenuItem
     */
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            NavUtils.navigateUpFromSameTask(this);
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    /**
     * Shows a warning alert when user tries to create a new pet but already has one
     * 
     */
    private void showWarningAlert() {
        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
        alertDialogBuilder.setMessage("You already have a pet. Are you sure you want to replace it?")
                .setCancelable(false).setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int id) {
                        startActivity(new Intent(SelectGameActivity.this, CreatePetActivity.class));
                    }
                });
        alertDialogBuilder.setNegativeButton("No", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int id) {
                dialog.cancel();
            }
        });
        AlertDialog alert = alertDialogBuilder.create();
        alert.show();
    }

    /**
     * Loads the saved file from the internal memory if dog is not yet defined.
     * 
     */
    @Override
    protected void onResume() {
        super.onResume();
        if (dog == null) {
            try {
                dog = (Dog) Pet.load("pet_file.dat", SelectGameActivity.this);
            } catch (FileNotFoundException e) {
                System.out.print("File not found ");
                e.printStackTrace();
            } catch (IOException e) {
                System.out.print("IO Exception ");
                e.printStackTrace();
            } catch (ClassNotFoundException e) {
                System.out.print("Class not found exception ");
                e.printStackTrace();
            }
        }
    }

}