FlashActivity.java

package com.buildmlearnstore.activities;

import java.io.IOException;
import java.util.ArrayList;

import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.Animation.AnimationListener;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

import com.actionbarsherlock.app.SherlockActivity;
import com.buildmlearnstore.model.Card;
import com.buildmlearnstore.model.FlashModel;

public class FlashActivity extends SherlockActivity implements
		AnimationListener {
	View answerView, questionView;
	Button flipButton;
	Button preButton;
	Button nextButton;
	boolean isFlipped = false;
	int iQuestionIndex = 0;
	String flashCardanswer;
	ImageView questionImage;
	TextView flashCardText, flashcardNumber;
	TextView questionText;
	private Animation animation1;
	private Animation animation2;
	private View currentView;

	private FlashModel mFlashModel;
	private ArrayList<Card> mCardList;
	private Drawable d;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_flashcards);
		mFlashModel = FlashModel.getInstance();
		mCardList = mFlashModel.getList();
		animation1 = AnimationUtils.loadAnimation(this, R.anim.to_middle);
		animation1.setAnimationListener(this);
		animation2 = AnimationUtils.loadAnimation(this, R.anim.from_middle);
		animation2.setAnimationListener(this);

		questionView = (View) findViewById(R.id.questionInMain);
		answerView = (View) findViewById(R.id.answerInMain);

		questionView.setVisibility(View.VISIBLE);
		answerView.setVisibility(View.GONE);
		iQuestionIndex = 0;

		questionImage = (ImageView) findViewById(R.id.questionImage);
		flashCardText = (TextView) findViewById(R.id.flashCardText);
		questionText = (TextView) findViewById(R.id.questionhint);
		flashcardNumber = (TextView) findViewById(R.id.flashCardNumber);

		flipButton = (Button) findViewById(R.id.flip_button);
		preButton = (Button) findViewById(R.id.pre_button);
		nextButton = (Button) findViewById(R.id.next_button);

		populateQuestion(iQuestionIndex);
		currentView = questionView;

		flipButton.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {

				currentView.clearAnimation();
				currentView.setAnimation(animation1);
				currentView.startAnimation(animation1);

			}
		});

		preButton.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {
				if (iQuestionIndex != 0) {
					isFlipped = false;

					iQuestionIndex--;
					questionView.setVisibility(View.VISIBLE);
					answerView.setVisibility(View.GONE);
					currentView = questionView;

					populateQuestion(iQuestionIndex);
				}

			}
		});

		nextButton.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View v) {

				if (iQuestionIndex < mCardList.size()-1) {
					isFlipped = false;
					iQuestionIndex++;
					questionView.setVisibility(View.VISIBLE);
					answerView.setVisibility(View.GONE);
					currentView = questionView;
					populateQuestion(iQuestionIndex);

				} else {
					finish();
					/*Intent myIntent = new Intent(FlashActivity.this,
							ScoreActivity.class);
					startActivity(myIntent);

					finish();
*/				}

			}
		});
	}

	public void populateQuestion(int index) {
		if (index == 0) {
			preButton.setEnabled(false);

		} else
			preButton.setEnabled(true);

		int cardNum = index + 1;
		flashcardNumber.setText("Card #" + cardNum + " of " + mCardList.size());

		if (mCardList.get(index).getImagePath() != null) {
			questionImage.setVisibility(View.VISIBLE);
			try {
				d = Drawable.createFromStream(
						getAssets().open(mCardList.get(index).getImagePath()),
						null);
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			questionImage.setImageDrawable(d);
			// questionImage.setImageBitmap(mBitmap);
		} else {
			questionImage.setVisibility(View.GONE);

		}
		flashCardanswer = mCardList.get(index).getAnswer();

		flashCardText.setText(mCardList.get(index).getHint());

		questionText.setVisibility(View.GONE);
		if (mCardList.get(index).getQuestion() != null) {
			questionText.setVisibility(View.VISIBLE);
			questionText.setText(mCardList.get(index).getQuestion());
		}

	}

	@Override
	public void onAnimationEnd(Animation animation) {
		if (animation == animation1) {

			TextView answerText = (TextView) findViewById(R.id.answerText);

			if (!isFlipped) {

				answerView.setVisibility(View.VISIBLE);
				questionView.setVisibility(View.GONE);
				isFlipped = true;
				answerText.setText(flashCardanswer);
				currentView = answerView;
			} else {

				isFlipped = false;
				answerText.setText("");
				questionView.setVisibility(View.VISIBLE);
				answerView.setVisibility(View.GONE);
				currentView = questionView;
			}
			currentView.clearAnimation();
			currentView.setAnimation(animation2);
			currentView.startAnimation(animation2);

		}

	}

	@Override
	public void onAnimationRepeat(Animation animation) {
		// TODO Auto-generated method stub

	}

	@Override
	public void onAnimationStart(Animation animation) {
		// TODO Auto-generated method stub

	}

	@Override
	protected void onDestroy() {
		super.onDestroy();
	}
}