video trailers

app/src/main/java/net/headlezz/udacityproject1/MovieDetailsFragment.java

@@ -1,6 +1,10 @@
 package net.headlezz.udacityproject1;
 
+import android.content.ActivityNotFoundException;
+import android.content.Intent;
+import android.net.Uri;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.v4.app.Fragment;
 import android.text.format.DateUtils;
@@ -10,17 +14,26 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import net.headlezz.udacityproject1.tmdbapi.Movie;
 import net.headlezz.udacityproject1.tmdbapi.TMDBApi;
+import net.headlezz.udacityproject1.tmdbapi.Video;
+import net.headlezz.udacityproject1.tmdbapi.VideoList;
+
+import java.util.List;
 
 import butterknife.Bind;
 import butterknife.ButterKnife;
+import retrofit.Call;
+import retrofit.Callback;
+import retrofit.Response;
+import retrofit.Retrofit;
 
 /**
  * Fragment to show the details of a movie
  */
-public class MovieDetailsFragment extends Fragment {
+public class MovieDetailsFragment extends Fragment implements Callback<VideoList> {
 
     public static final String TAG = MovieDetailsFragment.class.getSimpleName();
     public static final String BUNDLE_ARG_MOVIE = "movie";
@@ -30,8 +43,16 @@ public class MovieDetailsFragment extends Fragment {
     @Bind(R.id.movie_details_tvOverview) TextView tvOverview;
     @Bind(R.id.movie_details_tvReleaseDate) TextView tvReleaseDate;
     @Bind(R.id.movie_details_tvRating) TextView tvRating;
+    @Bind(R.id.movie_details_trailerHolder) ViewGroup trailerHolder;
 
     Movie mMovie;
+    VideoList mVideoList;
+
+    /**
+     * Hold a reference to the videolist download call so
+     * it can be canceled when stopping
+     */
+    Call<VideoList> mVideoListCall;
 
     public static MovieDetailsFragment newInstance(Movie movie) {
         MovieDetailsFragment frag = new MovieDetailsFragment();
@@ -49,6 +70,9 @@ public class MovieDetailsFragment extends Fragment {
             Log.d(TAG, "Bundled movie: " + mMovie.getTitle());
         } else
             throw new RuntimeException(TAG + " opened without bundled movie!");
+
+        if(savedInstanceState != null && savedInstanceState.containsKey("videolist"))
+            mVideoList = savedInstanceState.getParcelable("videolist");
     }
 
     @Nullable
@@ -68,5 +92,82 @@ public class MovieDetailsFragment extends Fragment {
         String formatedDate = DateUtils.formatDateTime(tvReleaseDate.getContext(), mMovie.getReleaseDate().getTime(), DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_NUMERIC_DATE | DateUtils.FORMAT_SHOW_YEAR);
         tvReleaseDate.setText(getString(R.string.movie_release_date, formatedDate));
         tvRating.setText(getString(R.string.movie_rating, mMovie.getAvRating()));
+
+        if(mVideoList == null)
+            loadVideoList();
+        else
+            showVideoList(mVideoList);
+    }
+
+    private void loadVideoList() {
+        if(mVideoListCall != null)
+            mVideoListCall.cancel();
+        mVideoListCall = TMDBApi.getVideosForMovie(mMovie, getString(R.string.api_key));
+        mVideoListCall.enqueue(this);
+    }
+
+    @Override
+    public void onResponse(Response<VideoList> response, Retrofit retrofit) {
+        if(response.isSuccess()) {
+            mVideoList = response.body();
+            if(getActivity() != null)
+                showVideoList(mVideoList);
+        }
+    }
+
+    @Override
+    public void onFailure(Throwable t) {
+        if(getActivity() != null)
+            Toast.makeText(getActivity(), "Failed to load videos: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+    }
+
+    // TODO high res image for video link
+
+    /**
+     * shows a list of links to youtube videos for the selected movie
+     * if the videolist has no videos, the user sees a message that there are no.
+     * @param videoList VideoList to show
+     */
+    private void showVideoList(@NonNull VideoList videoList) {
+        List<Video> videos = videoList.getVideos();
+        if(videos.size() > 0) {
+            for (Video video : videoList.getVideos()) {
+                View view = LayoutInflater.from(getActivity()).inflate(R.layout.movie_details_trailer_item, trailerHolder, false);
+                TextView tv = (TextView) view.findViewById(R.id.trailer_item_tvName);
+                tv.setText(video.getName());
+                view.setTag(video);
+                view.setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View view) {
+                        String videoId = ((Video) view.getTag()).getKey();
+                        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("vnd.youtube:" + videoId));
+                        intent.putExtra("VIDEO_ID", videoId);
+                        try {
+                            startActivity(intent);
+                        } catch (ActivityNotFoundException e) {
+                            Toast.makeText(getActivity(), "Youtube app not found.", Toast.LENGTH_SHORT).show();
+                        }
+
+                    }
+                });
+                trailerHolder.addView(view);
+            }
+        } else {
+            trailerHolder.getChildAt(0).setVisibility(View.VISIBLE);
+        }
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        if(mVideoList != null)
+            outState.putParcelable("videolist", mVideoList);
+        super.onSaveInstanceState(outState);
+    }
+
+    @Override
+    public void onStop() {
+        if(mVideoListCall != null)
+            mVideoListCall.cancel();
+        super.onStop();
     }
 }

app/src/main/java/net/headlezz/udacityproject1/tmdbapi/Movie.java

@@ -16,6 +16,8 @@ public class Movie implements Parcelable {
     // empty constructor for gson/retrofit
     public Movie() {}
 
+    long id;
+
     String title;
 
     @SerializedName("poster_path")
@@ -49,6 +51,10 @@ public class Movie implements Parcelable {
         return releaseDate;
     }
 
+    public long getId() {
+        return id;
+    }
+
     /**** Parcelable stuff *****/
 
     @Override
@@ -63,6 +69,7 @@ public class Movie implements Parcelable {
         dest.writeString(overview);
         dest.writeDouble(avRating);
         dest.writeLong(releaseDate.getTime());
+        dest.writeLong(id);
     }
 
     public static final Parcelable.Creator<Movie> CREATOR = new Parcelable.Creator<Movie>() {
@@ -81,6 +88,7 @@ public class Movie implements Parcelable {
         overview = src.readString();
         avRating = src.readDouble();
         releaseDate = new Date(src.readLong());
+        id = src.readLong();
     }
 
 

app/src/main/java/net/headlezz/udacityproject1/tmdbapi/TMDBApi.java

@@ -11,6 +11,7 @@ import retrofit.GsonConverterFactory;
 import retrofit.Retrofit;
 import retrofit.http.GET;
 import retrofit.http.Headers;
+import retrofit.http.Path;
 import retrofit.http.Query;
 
 /**
@@ -37,6 +38,7 @@ public class TMDBApi {
     private static TMDBApiService buildApiService() {
         Gson gson = new GsonBuilder()
                 .registerTypeAdapter(MovieList.class, new MovieListDeserializer())
+                .registerTypeAdapter(VideoList.class, new VideoListDeserializer())
                 .create();
         Retrofit retrofit = new Retrofit.Builder()
                 .baseUrl(BASE_URL)
@@ -61,6 +63,10 @@ public class TMDBApi {
         return apiService.discoverMovies(sort, apiKey);
     }
 
+    public static Call<VideoList> getVideosForMovie(Movie movie, String apiKey) {
+        return apiService.getVideosForMovie(movie.getId(), apiKey);
+    }
+
     /**
      * Api interface for retrofit
      */
@@ -68,6 +74,10 @@ public class TMDBApi {
         @Headers("Accept: application/json")
         @GET("discover/movie")
         Call<MovieList> discoverMovies(@Query("sort_by") String sortOrder, @Query("api_key") String apiKey);
+
+        @Headers("Accept: application/json")
+        @GET("movie/{id}/videos")
+        Call<VideoList> getVideosForMovie(@Path("id") long id, @Query("api_key") String apiKey);
     }
 
 }

app/src/main/java/net/headlezz/udacityproject1/tmdbapi/Video.java

@@ -0,0 +1,45 @@
+package net.headlezz.udacityproject1.tmdbapi;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+public class Video implements Parcelable {
+
+    private String name;
+    private String key;
+
+    public String getName() {
+        return name;
+    }
+
+    public String getKey() {
+        return key;
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel parcel, int i) {
+        parcel.writeString(name);
+        parcel.writeString(key);
+    }
+
+    public static final Parcelable.Creator<Video> CREATOR = new Parcelable.Creator<Video>() {
+        public Video createFromParcel(Parcel src) {
+            return new Video(src);
+        }
+
+        public Video[] newArray(int size) {
+            return new Video[size];
+        }
+    };
+
+    private Video(Parcel src) {
+        name = src.readString();
+        key = src.readString();
+    }
+
+}

app/src/main/java/net/headlezz/udacityproject1/tmdbapi/VideoList.java

@@ -0,0 +1,56 @@
+package net.headlezz.udacityproject1.tmdbapi;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import java.util.List;
+
+/**
+ * A list of trailers for a movie
+ */
+public class VideoList implements Parcelable {
+
+    private long id;
+    private List<Video> videos;
+
+    public long getId() {
+        return id;
+    }
+
+    public List<Video> getVideos() {
+        return videos;
+    }
+
+    public VideoList(long id, List<Video> videos) {
+        this.id = id;
+        this.videos = videos;
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel parcel, int i) {
+        parcel.writeLong(id);
+        parcel.writeList(videos);
+    }
+
+    public static final Parcelable.Creator<VideoList> CREATOR = new Parcelable.Creator<VideoList>() {
+        public VideoList createFromParcel(Parcel src) {
+            return new VideoList(src);
+        }
+
+        public VideoList[] newArray(int size) {
+            return new VideoList[size];
+        }
+    };
+
+    private VideoList(Parcel src) {
+        id = src.readLong();
+        videos = src.readArrayList(Video.class.getClassLoader());
+    }
+
+    
+}

app/src/main/java/net/headlezz/udacityproject1/tmdbapi/VideoListDeserializer.java

@@ -0,0 +1,25 @@
+package net.headlezz.udacityproject1.tmdbapi;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParseException;
+
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.List;
+
+public class VideoListDeserializer implements JsonDeserializer<VideoList> {
+    @Override
+    public VideoList deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+        Gson gson = new Gson();
+        List<Video> videos = new ArrayList<>();
+        for(JsonElement elem : json.getAsJsonObject().getAsJsonArray("results")) {
+            if(elem.getAsJsonObject().get("site").getAsString().equals("YouTube")) // filter non youtube videos out
+                videos.add(gson.fromJson(elem, Video.class));
+        }
+        long id = json.getAsJsonObject().get("id").getAsLong();
+        return new VideoList(id, videos);
+    }
+}

app/src/main/res/drawable/orange_ripple.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ripple xmlns:android="http://schemas.android.com/apk/res/android" android:color="@color/colorAccent"/>

app/src/main/res/layout/fragment_movie_details.xml

@@ -2,7 +2,8 @@
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    xmlns:andorid="http://schemas.android.com/apk/res-auto">
 
     <RelativeLayout
         android:layout_width="match_parent"
@@ -57,5 +58,30 @@
             android:textAppearance="?android:attr/textAppearanceSmall"
             tools:text="Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet." />
 
+        <View
+            android:layout_marginBottom="8dp"
+            android:layout_marginTop="8dp"
+            android:background="@color/colorAccent"
+            android:layout_width="match_parent"
+            android:layout_height="1dp"
+            android:layout_below="@+id/movie_details_tvOverview"
+            android:id="@+id/view" />
+
+        <LinearLayout
+            android:orientation="vertical"
+            android:id="@+id/movie_details_trailerHolder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/view"
+            android:layout_alignParentStart="true">
+
+            <TextView
+                android:visibility="gone"
+                android:text="No videos found."
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content" />
+
+            </LinearLayout>
+
     </RelativeLayout>
 </ScrollView>

app/src/main/res/layout/movie_details_trailer_item.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:foreground="@drawable/orange_ripple">
+
+    <ImageView
+        android:tint="@android:color/white"
+        android:layout_width="50dp"
+        android:layout_height="50dp"
+        android:id="@+id/imageView"
+        android:src="@drawable/ic_action_movie" />
+    <TextView
+        android:id="@+id/trailer_item_tvName"
+        android:layout_marginLeft="16dp"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:layout_gravity="center_vertical"
+        tools:text="This is a trailer title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content" />
+</LinearLayout>