Java tutorial
/* * Copyright 2015 sourcestream GmbH * * 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 de.sourcestream.movieDB.controller; import android.app.Fragment; import android.app.FragmentManager; import android.app.FragmentTransaction; import android.os.Bundle; import android.support.v4.view.ViewCompat; import android.support.wearable.view.CircledImageView; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.GridView; import android.widget.ImageView; import android.widget.RatingBar; import android.widget.TextView; import java.util.ArrayList; import de.sourcestream.movieDB.MainActivity; import de.sourcestream.movieDB.R; import de.sourcestream.movieDB.adapter.SimilarAdapter; import de.sourcestream.movieDB.model.SimilarModel; import de.sourcestream.movieDB.view.ObservableParallaxScrollView; public class MovieDetailsInfo extends Fragment implements AdapterView.OnItemClickListener { private MainActivity activity; private View rootView; private ImageView backDropPath; private int backDropCheck; private TextView titleText; private TextView releaseDate; private ImageView posterPath; private TextView tagline; private TextView statusText; private TextView runtime; private TextView genres; private TextView countries; private TextView companies; private RatingBar ratingBar; private TextView voteCount; private CircledImageView moreIcon; private CircledImageView homeIcon; private CircledImageView galleryIcon; private CircledImageView trailerIcon; private GridView movieDetailsSimilarGrid; private ArrayList<SimilarModel> similarList; private View similarHolder; private ObservableParallaxScrollView scrollView; private MovieDetails movieDetails = new MovieDetails(); public MovieDetailsInfo() { } /** * Called to do initial creation of a fragment. * This is called after onAttach(Activity) and before onCreateView(LayoutInflater, ViewGroup, Bundle). * * @param savedInstanceState If the fragment is being re-created from a previous saved state, this is the state. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); } /** * Called to have the fragment instantiate its user interface view. * * @param inflater sets the layout for the current view. * @param container the container which holds the current view. * @param savedInstanceState If non-null, this fragment is being re-constructed from a previous saved state as given here. * Return the View for the fragment's UI, or null. */ @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { super.onCreateView(inflater, container, savedInstanceState); rootView = inflater.inflate(R.layout.moviedetailsinfo, container, false); activity = ((MainActivity) getActivity()); backDropPath = (ImageView) rootView.findViewById(R.id.backDropPath); titleText = (TextView) rootView.findViewById(R.id.title); releaseDate = (TextView) rootView.findViewById(R.id.releaseDate); posterPath = (ImageView) rootView.findViewById(R.id.posterPath); tagline = (TextView) rootView.findViewById(R.id.tagline); statusText = (TextView) rootView.findViewById(R.id.status); runtime = (TextView) rootView.findViewById(R.id.runtime); genres = (TextView) rootView.findViewById(R.id.genres); countries = (TextView) rootView.findViewById(R.id.countries); companies = (TextView) rootView.findViewById(R.id.companies); ratingBar = (RatingBar) rootView.findViewById(R.id.ratingBar); voteCount = (TextView) rootView.findViewById(R.id.voteCount); homeIcon = (CircledImageView) rootView.findViewById(R.id.homeIcon); homeIcon.setVisibility(View.INVISIBLE); homeIcon.bringToFront(); galleryIcon = (CircledImageView) rootView.findViewById(R.id.galleryIcon); galleryIcon.setVisibility(View.INVISIBLE); galleryIcon.bringToFront(); trailerIcon = (CircledImageView) rootView.findViewById(R.id.trailerIcon); trailerIcon.setVisibility(View.INVISIBLE); trailerIcon.bringToFront(); // Highest Z-index has to be declared last moreIcon = (CircledImageView) rootView.findViewById(R.id.moreIcon); moreIcon.bringToFront(); movieDetailsSimilarGrid = (GridView) rootView.findViewById(R.id.movieDetailsSimilarGrid); similarHolder = rootView.findViewById(R.id.similarHolder); scrollView = (ObservableParallaxScrollView) rootView.findViewById(R.id.moviedetailsinfo); View detailsLayout = rootView.findViewById(R.id.detailsLayout); ViewCompat.setElevation(detailsLayout, 2 * getResources().getDisplayMetrics().density); ViewCompat.setElevation(moreIcon, 2 * getResources().getDisplayMetrics().density); ViewCompat.setElevation(homeIcon, 2 * getResources().getDisplayMetrics().density); ViewCompat.setElevation(galleryIcon, 2 * getResources().getDisplayMetrics().density); ViewCompat.setElevation(trailerIcon, 2 * getResources().getDisplayMetrics().density); // Prevent event bubbling else if you touch on the details layout when the info tab is scrolled it will open gallery view detailsLayout.setOnTouchListener(new View.OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { return true; } }); return rootView; } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); if (activity.getMovieDetailsFragment() != null) { moreIcon.setOnClickListener(activity.getMovieDetailsFragment().getOnMoreIconClick()); activity.getMovieDetailsFragment().getOnMoreIconClick().setKey(false); } if (activity.getMovieDetailsInfoBundle() != null) onOrientationChange(activity.getMovieDetailsInfoBundle()); if (scrollView != null) { // TouchInterceptionViewGroup should be a parent view other than ViewPager. // This is a workaround for the issue #117: // https://github.com/ksoichiro/Android-ObservableScrollView/issues/117 scrollView.setTouchInterceptionViewGroup( (ViewGroup) activity.getMovieDetailsFragment().getView().findViewById(R.id.containerLayout)); scrollView.setScrollViewCallbacks(activity.getMovieDetailsFragment()); } } public TextView getTitleText() { return titleText; } public TextView getReleaseDate() { return releaseDate; } public ImageView getPosterPath() { return posterPath; } public TextView getStatusText() { return statusText; } public TextView getTagline() { return tagline; } public TextView getRuntime() { return runtime; } public TextView getGenres() { return genres; } public TextView getCountries() { return countries; } public TextView getCompanies() { return companies; } public RatingBar getRatingBar() { return ratingBar; } public TextView getVoteCount() { return voteCount; } public ImageView getBackDropPath() { return backDropPath; } public int getBackDropCheck() { return backDropCheck; } public void setBackDropCheck(int backDropCheck) { this.backDropCheck = backDropCheck; } public CircledImageView getMoreIcon() { return moreIcon; } public CircledImageView getHomeIcon() { return homeIcon; } public CircledImageView getGalleryIcon() { return galleryIcon; } public CircledImageView getTrailerIcon() { return trailerIcon; } public View getRootView() { return rootView; } /** * Called to ask the fragment to save its current dynamic state, * so it can later be reconstructed in a new instance of its process is restarted. * * @param outState Bundle in which to place your saved state. */ @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); } /** * Fired when are restoring from backState or orientation has changed. * * @param args our bundle with saved state. Our parent fragment handles the saving. */ @SuppressWarnings("ConstantConditions") private void onOrientationChange(Bundle args) { // BackDrop path backDropCheck = args.getInt("backDropCheck"); if (backDropCheck == 0) { activity.setBackDropImage(backDropPath, args.getString("backDropUrl")); backDropPath.setTag(args.getString("backDropUrl")); } // Title activity.setText(titleText, args.getString("titleText")); // Release date activity.setText(releaseDate, args.getString("releaseDate")); // Status activity.setText(statusText, args.getString("status")); // Tag line if (!args.getString("tagline").isEmpty()) tagline.setText(args.getString("tagline")); else activity.hideTextView(tagline); // RunTime if (!args.getString("runTime").isEmpty()) activity.setText(runtime, args.getString("runTime")); else activity.hideView(runtime); // Genres if (!args.getString("genres").isEmpty()) activity.setText(genres, args.getString("genres")); else activity.hideView(genres); // Production Countries if (!args.getString("productionCountries").isEmpty()) activity.setText(countries, args.getString("productionCountries")); else activity.hideView(countries); // Production Companies if (!args.getString("productionCompanies").isEmpty()) { activity.setText(companies, args.getString("productionCompanies")); if (args.getString("productionCountries").isEmpty()) { ViewGroup.MarginLayoutParams lp = (ViewGroup.MarginLayoutParams) companies.getLayoutParams(); lp.setMargins(0, (int) (28 * getResources().getDisplayMetrics().density), 0, 0); } } else activity.hideView(companies); // Poster path if (args.getString("posterPathURL") != null) { activity.setImage(posterPath, args.getString("posterPathURL")); activity.setImageTag(posterPath, args.getString("posterPathURL")); } // Rating if (args.getString("voteCount").isEmpty()) { activity.hideRatingBar(ratingBar); activity.hideTextView(voteCount); } else { ratingBar.setRating(args.getFloat("rating")); activity.setText(voteCount, args.getString("voteCount")); } // Similar list similarList = args.getParcelableArrayList("similarList"); if (similarList != null && similarList.size() > 0) setSimilarList(similarList); else activity.hideView(similarHolder); } /** * Fired when fragment is destroyed. */ public void onDestroyView() { super.onDestroyView(); activity.setMovieDetailsInfoBundle(null); posterPath.setImageDrawable(null); backDropPath.setImageDrawable(null); movieDetailsSimilarGrid.setAdapter(null); } public void setSimilarList(ArrayList<SimilarModel> similarList) { this.similarList = similarList; SimilarAdapter similarAdapter = new SimilarAdapter(getActivity(), R.layout.similar_row, similarList); movieDetailsSimilarGrid.setAdapter(similarAdapter); movieDetailsSimilarGrid.setOnItemClickListener(this); if (similarList.size() < 4) { ViewGroup.LayoutParams lp = movieDetailsSimilarGrid.getLayoutParams(); lp.height /= 2; } } public ArrayList<SimilarModel> getSimilarList() { return similarList; } public View getSimilarHolder() { return similarHolder; } public ObservableParallaxScrollView getScrollView() { return scrollView; } /** * Callback method to be invoked when an item in this AdapterView has been clicked. * * @param parent The AdapterView where the click happened. * @param view The view within the AdapterView that was clicked (this will be a view provided by the adapter) * @param position The position of the view in the adapter. * @param id The row id of the item that was clicked. */ @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { activity.setRestoreMovieDetailsAdapterState(true); activity.setRestoreMovieDetailsState(false); if (activity.getMovieDetailsSimFragment() != null && activity.getLastVisitedSimMovie() == similarList.get(position).getId() && activity.getMovieDetailsSimFragment().getTimeOut() == 0) { // Old movie details retrieve info and re-init component else crash activity.getMovieDetailsSimFragment().onSaveInstanceState(new Bundle()); Bundle bundle = new Bundle(); bundle.putInt("id", similarList.get(position).getId()); Bundle save = activity.getMovieDetailsSimFragment().getSave(); // Re-init movie details and set save information movieDetails = new MovieDetails(); movieDetails.setTimeOut(0); movieDetails.setSave(save); movieDetails.setArguments(bundle); } else movieDetails = new MovieDetails(); activity.setLastVisitedSimMovie(similarList.get(position).getId()); activity.getMovieDetailsFragment().setAddToBackStack(true); activity.getMovieDetailsFragment().onSaveInstanceState(new Bundle()); if (activity.getSearchViewCount()) activity.incSearchMovieDetails(); activity.setMovieDetailsFragment(null); activity.setSaveInMovieDetailsSimFragment(true); movieDetails.setTitle(similarList.get(position).getTitle()); FragmentManager manager = getActivity().getFragmentManager(); FragmentTransaction transaction = manager.beginTransaction(); Bundle bundle = new Bundle(); bundle.putInt("id", similarList.get(position).getId()); movieDetails.setArguments(bundle); transaction.replace(R.id.frame_container, movieDetails); // add the current transaction to the back stack: transaction.addToBackStack("similarDetails"); transaction.commit(); } /** * @return Returns true this ScrollView can be scrolled */ public boolean canScroll() { if (isAdded()) { View child = scrollView.getChildAt(0); if (child != null) { int childHeight = child.getHeight(); return (scrollView.getHeight() + (119 * getResources().getDisplayMetrics().density)) < childHeight; } } return false; } }