de.persoapp.android.activity.fragment.InitializeAppFragment.java Source code

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Here is the source code for de.persoapp.android.activity.fragment.InitializeAppFragment.java

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/**
 *
 * COPYRIGHT (C) 2010, 2011, 2012, 2013, 2014 AGETO Innovation GmbH
 *
 * Authors Christian Kahlo, Ralf Wondratschek
 *
 * All Rights Reserved.
 *
 * Contact: PersoApp, http://www.persoapp.de
 *
 * @version 1.0, 30.07.2013 13:50:47
 *
 *          This file is part of PersoApp.
 *
 *          PersoApp is free software: you can redistribute it and/or modify it
 *          under the terms of the GNU Lesser General Public License as
 *          published by the Free Software Foundation, either version 3 of the
 *          License, or (at your option) any later version.
 *
 *          PersoApp 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
 *          Lesser General Public License for more details.
 *
 *          You should have received a copy of the GNU Lesser General Public
 *          License along with PersoApp. If not, see
 *          <http://www.gnu.org/licenses/>.
 *
 *          Diese Datei ist Teil von PersoApp.
 *
 *          PersoApp ist Freie Software: Sie knnen es unter den Bedingungen der
 *          GNU Lesser General Public License, wie von der Free Software
 *          Foundation, Version 3 der Lizenz oder (nach Ihrer Option) jeder
 *          spteren verffentlichten Version, weiterverbreiten und/oder
 *          modifizieren.
 *
 *          PersoApp wird in der Hoffnung, dass es ntzlich sein wird, aber OHNE
 *          JEDE GEWHRLEISTUNG, bereitgestellt; sogar ohne die implizite
 *          Gewhrleistung der MARKTFHIGKEIT oder EIGNUNG FR EINEN BESTIMMTEN
 *          ZWECK. Siehe die GNU Lesser General Public License fr weitere
 *          Details.
 *
 *          Sie sollten eine Kopie der GNU Lesser General Public License
 *          zusammen mit diesem Programm erhalten haben. Wenn nicht, siehe
 *          <http://www.gnu.org/licenses/>.
 *
 */
package de.persoapp.android.activity.fragment;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ObjectAnimator;
import android.app.Activity;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
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 net.vrallev.android.base.BaseActivitySupport;

import javax.inject.Inject;

import de.greenrobot.event.EventBus;
import de.persoapp.android.R;
import de.persoapp.android.nfc.DeviceStateTester;

/**
 * This class is loaded during the initialization the application. After an 
 * successful initialization, the success animation is played to signal that
 * the application is successful initialized.
 * 
 * @author Ralf Wondratschek
 * @author Rico Klimsa - added javadoc comments.
 */
@SuppressWarnings("ConstantConditions")
public class InitializeAppFragment extends Fragment {

    @Inject
    EventBus mEventBus;

    private ImageView mImageView;

    private ColorMatrix mColorMatrix;
    private float mSaturation;

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        ((BaseActivitySupport) activity).inject(this);
    }

    @SuppressWarnings("ConstantConditions")
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_initialize_app, container, false);

        mImageView = (ImageView) view.findViewById(R.id.imageView);

        mSaturation = 0;
        mColorMatrix = new ColorMatrix();
        mColorMatrix.setSaturation(mSaturation);
        mImageView.setColorFilter(new ColorMatrixColorFilter(mColorMatrix));
        view.setFilterTouchesWhenObscured(true);
        return view;
    }

    @Override
    public void onStart() {
        super.onStart();
        mEventBus.register(this);
    }

    @Override
    public void onStop() {
        mEventBus.unregister(this);
        super.onStop();
    }

    @SuppressWarnings("UnusedDeclaration")
    public void onEventMainThread(DeviceStateTester.NpaCapableEvent event) {
        if (event.isNpaSupported()) {
            playSuccessAnimation();
        } else {
            mEventBus.post(new OnAppInitialized(false));
        }
    }

    private void playSuccessAnimation() {
        ObjectAnimator animator = ObjectAnimator.ofFloat(this, "saturation", 1F);
        animator.setDuration(1000L);
        animator.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                mImageView.animate().alpha(0).setDuration(300l).withEndAction(new Runnable() {
                    @Override
                    public void run() {
                        mEventBus.post(new OnAppInitialized(true));
                    }
                });
            }
        });
        animator.start();
    }

    @SuppressWarnings("UnusedDeclaration")
    public void setSaturation(float saturation) {
        mSaturation = saturation;
        mColorMatrix.setSaturation(saturation);
        mImageView.setColorFilter(new ColorMatrixColorFilter(mColorMatrix));
    }

    @SuppressWarnings("UnusedDeclaration")
    public float getSaturation() {
        return mSaturation;
    }

    /**
     * This class saves the initialitaion state of the application.
     * 
     * @author Ralf Wondratschek
     * @author Rico Klimsa - Added javadoc comments
     */
    public static class OnAppInitialized {
        private final boolean mSuccess;

        public OnAppInitialized(boolean success) {
            mSuccess = success;
        }

        public boolean isSuccess() {
            return mSuccess;
        }
    }
}