com.reddyetwo.hashmypass.app.tutorial.TutorialIntroFragment.java Source code

Introduction

Here is the source code for com.reddyetwo.hashmypass.app.tutorial.TutorialIntroFragment.java

Source

/*
 * Copyright 2014 Red Dye No. 2
 *
 * This file is part of Twik.
 *
 * Twik is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Twik is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Twik.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.reddyetwo.hashmypass.app.tutorial;

import android.animation.Animator;
import android.animation.AnimatorInflater;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
import android.graphics.Typeface;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.reddyetwo.hashmypass.app.R;
import com.reddyetwo.hashmypass.app.data.PasswordType;
import com.reddyetwo.hashmypass.app.hash.PasswordHasher;
import com.reddyetwo.hashmypass.app.util.Constants;

import java.util.Random;

/**
 * Fragment containing the tutorial introduction screen
 */
public class TutorialIntroFragment extends Fragment {

    /**
     * Length of generated passwords
     */
    private static final int PASSWORD_LENGTH = 14;
    private static final String[] WEBSITES = { "amazon", "google", "ebay", "bing", "yahoo", "reddit", "paypal",
            "spotify", "facebook", "twitter", "flickr", "steam", "feedly", "foursquare", "apple", "xda-developers",
            "bugzilla", "ssh", "wopr", "skynet" };
    private static final char[] MASTER_KEY = { 'm', 'a', 's', 't', 'e', 'r' };
    private ImageView mIcMasterKeyView;
    private TextView mWebsiteTextView;
    private TextView mWebsitePasswordView;
    private AnimatorSet mAnimatorSet;
    private Random mRandom;
    private boolean mAnimationCancelled = false;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        ViewGroup rootView = (ViewGroup) inflater.inflate(R.layout.fragment_tutorial_intro, container, false);
        mIcMasterKeyView = (ImageView) rootView.findViewById(R.id.ic_master_key);
        mWebsiteTextView = (TextView) rootView.findViewById(R.id.website_text);
        mWebsitePasswordView = (TextView) rootView.findViewById(R.id.website_password);
        Typeface tf = Typeface.createFromAsset(getActivity().getAssets(), Constants.FONT_MONOSPACE);
        mWebsitePasswordView.setTypeface(tf);

        mRandom = new Random();

        createAnimation();

        return rootView;
    }

    @Override
    public void onResume() {
        super.onResume();
        startAnimation();
    }

    @Override
    public void onStop() {
        super.onStop();
        cancelAnimation();
    }

    private void createAnimation() {
        // Load and set up individual animators
        AnimatorSet websiteAnimator = (AnimatorSet) AnimatorInflater.loadAnimator(getActivity(),
                R.animator.intro_website);
        websiteAnimator.setTarget(mWebsiteTextView);
        AnimatorSet masterKeyAnimator = (AnimatorSet) AnimatorInflater.loadAnimator(getActivity(),
                R.animator.intro_master_key);
        masterKeyAnimator.setTarget(mIcMasterKeyView);
        AnimatorSet passwordAnimator = (AnimatorSet) AnimatorInflater.loadAnimator(getActivity(),
                R.animator.intro_password);
        passwordAnimator.setTarget(mWebsitePasswordView);

        // Prepare set with all animators, set up repeating and random data
        mAnimatorSet = new AnimatorSet();
        mAnimatorSet.playTogether(websiteAnimator, masterKeyAnimator, passwordAnimator);
        mAnimatorSet.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationStart(Animator animation) {
                mAnimationCancelled = false;
                generateRandomData();
            }

            @Override
            public void onAnimationCancel(Animator animation) {
                mAnimationCancelled = true;
            }

            @Override
            public void onAnimationEnd(Animator animation) {
                if (!mAnimationCancelled) {
                    mAnimatorSet.start();
                }
            }
        });
    }

    private void startAnimation() {
        mAnimatorSet.start();
    }

    private void cancelAnimation() {
        mAnimatorSet.cancel();
    }

    private void generateRandomData() {
        String website = WEBSITES[mRandom.nextInt(WEBSITES.length)];
        mWebsiteTextView.setText(website);
        String password = PasswordHasher.hashTagWithKeys(website, MASTER_KEY, "private", PASSWORD_LENGTH,
                PasswordType.ALPHANUMERIC_AND_SPECIAL_CHARS);
        mWebsitePasswordView.setText(password);
    }
}