mirror of https://github.com/ThmmyNoLife/mTHMMY
Browse Source
RecyclerViewWithPicasso Moved to RecyvlerView (from NestedScrollView) and to Picasso library for image downloading (from Volley). See merge request !1pull/24/head
17 changed files with 556 additions and 637 deletions
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package gr.thmmy.mthmmy.activities.topic; |
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import android.annotation.TargetApi; |
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import android.content.Context; |
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import android.content.Intent; |
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import android.graphics.Color; |
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import android.net.Uri; |
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import android.os.Build; |
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import android.os.Handler; |
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import android.support.v4.content.res.ResourcesCompat; |
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import android.support.v7.widget.CardView; |
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import android.support.v7.widget.RecyclerView; |
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import android.util.Log; |
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import android.view.LayoutInflater; |
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import android.view.MotionEvent; |
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import android.view.View; |
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import android.view.ViewGroup; |
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import android.webkit.WebResourceRequest; |
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import android.webkit.WebView; |
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import android.webkit.WebViewClient; |
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import android.widget.FrameLayout; |
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import android.widget.ImageButton; |
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import android.widget.ImageView; |
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import android.widget.LinearLayout; |
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import android.widget.RelativeLayout; |
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import android.widget.TextView; |
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import com.squareup.picasso.Picasso; |
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import java.util.List; |
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import java.util.Objects; |
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import gr.thmmy.mthmmy.R; |
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import gr.thmmy.mthmmy.data.Post; |
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import gr.thmmy.mthmmy.utils.CircleTransform; |
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import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK; |
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import static gr.thmmy.mthmmy.activities.topic.TopicActivity.base_url; |
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import static gr.thmmy.mthmmy.activities.topic.TopicActivity.toQuoteList; |
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class TopicAdapter extends RecyclerView.Adapter<TopicAdapter.MyViewHolder> { |
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private static final String TAG = "TopicAdapter"; |
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private static int THUMBNAIL_SIZE; |
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private final Context context; |
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private final List<Post> postsList; |
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class MyViewHolder extends RecyclerView.ViewHolder { |
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final CardView cardView; |
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final FrameLayout postDateAndNumberExp; |
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final TextView postDate, postNum, username, subject; |
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final ImageView thumbnail; |
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final public WebView post; |
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final ImageButton quoteToggle; |
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final RelativeLayout header; |
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final LinearLayout userExtraInfo; |
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final TextView specialRank, rank, gender, numberOfPosts, personalText; |
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final LinearLayout stars_holder; |
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MyViewHolder(View view) { |
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super(view); |
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//Initialize layout's graphic elements
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//Basic stuff
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cardView = (CardView) view.findViewById(R.id.card_view); |
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postDateAndNumberExp = (FrameLayout) view.findViewById(R.id.post_date_and_number_exp); |
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postDate = (TextView) view.findViewById(R.id.post_date); |
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postNum = (TextView) view.findViewById(R.id.post_number); |
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thumbnail = (ImageView) view.findViewById(R.id.thumbnail); |
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username = (TextView) view.findViewById(R.id.username); |
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subject = (TextView) view.findViewById(R.id.subject); |
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post = (WebView) view.findViewById(R.id.post); |
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quoteToggle = (ImageButton) view.findViewById(R.id.toggle_quote_button); |
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//User's extra
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header = (RelativeLayout) view.findViewById(R.id.header); |
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userExtraInfo = (LinearLayout) view.findViewById(R.id.user_extra_info); |
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specialRank = (TextView) view.findViewById(R.id.special_rank); |
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rank = (TextView) view.findViewById(R.id.rank); |
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gender = (TextView) view.findViewById(R.id.gender); |
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numberOfPosts = (TextView) view.findViewById(R.id.number_of_posts); |
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personalText = (TextView) view.findViewById(R.id.personal_text); |
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stars_holder = (LinearLayout) view.findViewById(R.id.stars); |
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} |
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/** |
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* Possible cleanup needed (like so:) |
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* https://stackoverflow.com/questions/24897441/picasso-how-to-cancel-all-image-requests-made-in-an-adapter
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* TODO |
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*/ |
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} |
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TopicAdapter(Context context, List<Post> postsList) { |
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this.context = context; |
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this.postsList = postsList; |
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THUMBNAIL_SIZE = (int) context.getResources().getDimension(R.dimen.thumbnail_size); |
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} |
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@Override |
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public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { |
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View itemView = LayoutInflater.from(parent.getContext()) |
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.inflate(R.layout.activity_topic_post_row, parent, false); |
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return new MyViewHolder(itemView); |
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} |
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@Override |
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public void onBindViewHolder(final MyViewHolder holder, int position) { |
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final Post currentPost = postsList.get(position); |
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//Post's WebView parameters set
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holder.post.setClickable(true); |
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holder.post.setWebViewClient(new LinkLauncher()); |
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holder.post.getSettings().setJavaScriptEnabled(true); |
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//Avoiding errors about layout having 0 width/height
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holder.thumbnail.setMinimumWidth(1); |
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holder.thumbnail.setMinimumHeight(1); |
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//Set thumbnail size
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holder.thumbnail.setMaxWidth(THUMBNAIL_SIZE); |
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holder.thumbnail.setMaxHeight(THUMBNAIL_SIZE); |
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//noinspection ConstantConditions
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Picasso.with(context) |
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.load(currentPost.getThumbnailUrl()) |
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.resize(THUMBNAIL_SIZE,THUMBNAIL_SIZE) |
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.centerCrop() |
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.error(ResourcesCompat.getDrawable(context.getResources() |
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, R.drawable.ic_default_user_thumbnail, null)) |
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.placeholder(ResourcesCompat.getDrawable(context.getResources() |
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, R.drawable.ic_default_user_thumbnail, null)) |
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.transform(new CircleTransform()) |
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.into(holder.thumbnail); |
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//Username set
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holder.username.setText(currentPost.getAuthor()); |
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//Post's submit date set
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holder.postDate.setText(currentPost.getPostDate()); |
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//Post's index number set
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if (currentPost.getPostNumber() != 0) |
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holder.postNum.setText(context.getString( |
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R.string.user_number_of_posts, currentPost.getPostNumber())); |
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else |
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holder.postNum.setText(""); |
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//Post's subject set
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holder.subject.setText(currentPost.getSubject()); |
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//Post's text set
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holder.post.loadDataWithBaseURL("file:///android_asset/", currentPost.getContent(), "text/html", "UTF-8", null); |
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holder.quoteToggle.setOnClickListener(new View.OnClickListener() { |
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@Override |
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public void onClick(View view) { |
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if (view.isSelected()) { |
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if (toQuoteList.contains(currentPost.getPostNumber())) { |
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toQuoteList.remove(toQuoteList.indexOf(currentPost.getPostNumber())); |
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view.setSelected(false); |
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} else |
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Log.i(TAG, "An error occurred while trying to exclude post from" + |
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"toQuoteList, post wasn't there!"); |
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} else { |
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toQuoteList.add(currentPost.getPostNumber()); |
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view.setSelected(true); |
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} |
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} |
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}); |
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//If user is not deleted then we have more to do
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if (!currentPost.isDeleted()) { //Set extra info
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//Variables for content
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String c_specialRank = currentPost.getSpecialRank(), c_rank = currentPost.getRank(), c_gender = currentPost.getGender(), c_numberOfPosts = currentPost.getNumberOfPosts(), c_personalText = currentPost.getPersonalText(), c_urlOfStars = currentPost.getUrlOfStars(); |
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int c_numberOfStars = currentPost.getNumberOfStars(); |
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if (!Objects.equals(c_specialRank, "") && c_specialRank != null) { |
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holder.specialRank.setText(c_specialRank); |
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holder.specialRank.setVisibility(View.VISIBLE); |
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} |
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if (!Objects.equals(c_rank, "") && c_rank != null) { |
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holder.rank.setText(c_rank); |
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holder.rank.setVisibility(View.VISIBLE); |
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} |
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if (!Objects.equals(c_gender, "") && c_gender != null) { |
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holder.gender.setText(c_gender); |
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holder.gender.setVisibility(View.VISIBLE); |
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} |
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if (!Objects.equals(c_numberOfPosts, "") && c_numberOfPosts != null) { |
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holder.numberOfPosts.setText(c_numberOfPosts); |
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holder.numberOfPosts.setVisibility(View.VISIBLE); |
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} |
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if (!Objects.equals(c_personalText, "") && c_personalText != null) { |
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holder.personalText.setText("\"" + c_personalText + "\""); |
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holder.personalText.setVisibility(View.VISIBLE); |
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} |
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for (int i = 0; i < c_numberOfStars; ++i) { |
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ImageView star = new ImageView(context); |
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Picasso.with(context) |
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.load(c_urlOfStars) |
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.into(star); |
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//Remove spacing between stars...
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//Don't know why this is happening in the first place
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//TODO change layout? other solution?
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LinearLayout.LayoutParams params = new LinearLayout.LayoutParams( |
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LinearLayout.LayoutParams.WRAP_CONTENT, |
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LinearLayout.LayoutParams.WRAP_CONTENT |
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); |
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params.setMargins((int) context.getResources().getDimension(R.dimen.stars_margin) |
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, 0 |
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, (int) context.getResources().getDimension(R.dimen.stars_margin) |
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, 0); |
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star.setLayoutParams(params); |
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holder.stars_holder.addView(star, 0); |
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holder.stars_holder.setVisibility(View.VISIBLE); |
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} |
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/* --Header expand/collapse functionality-- */ |
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holder.header.setOnClickListener(new View.OnClickListener() { |
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@Override |
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public void onClick(View v) { |
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TopicAnimations.animateUserExtraInfoVisibility(holder.userExtraInfo); |
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} |
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}); |
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//Clicking the expanded part of a header should collapse the extra info
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holder.userExtraInfo.setOnClickListener(new View.OnClickListener() { |
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@Override |
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public void onClick(View v) { |
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TopicAnimations.animateUserExtraInfoVisibility(v); |
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} |
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}); |
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/* --Header expand/collapse functionality end-- */ |
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} |
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/* --Card expand/collapse functionality-- */ |
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//Should expand/collapse when card is touched
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holder.cardView.setOnClickListener(new View.OnClickListener() { |
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@Override |
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public void onClick(View v) { |
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TopicAnimations.animatePostExtraInfoVisibility(holder.postDateAndNumberExp |
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, holder.username, holder.subject |
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, Color.parseColor("#000000") |
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, Color.parseColor("#757575")); |
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} |
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}); |
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//Also when post is clicked
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holder.post.setOnTouchListener(new CustomTouchListener(holder.post, holder.cardView, holder.quoteToggle)); |
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} |
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@Override |
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public int getItemCount() { |
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return postsList.size(); |
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} |
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//--------------------------------------CUSTOM TOUCH LISTENER---------------------------------------
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/** |
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* This class is a gesture detector for WebViews. |
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* It handles post's clicks, long clicks and touch and drag. |
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*/ |
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private class CustomTouchListener implements View.OnTouchListener { |
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//Long press handling
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private final int LONG_PRESS_DURATION = 650; |
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private final Handler webViewLongClickHandler = new Handler(); |
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private boolean wasLongClick = false; |
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private float downCoordinateX; |
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private float downCoordinateY; |
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private final float SCROLL_THRESHOLD = 7; |
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final private WebView post; |
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final private CardView cardView; |
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final private ImageButton quoteToggle; |
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//Other variables
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final static int FINGER_RELEASED = 0; |
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final static int FINGER_TOUCHED = 1; |
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final static int FINGER_DRAGGING = 2; |
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final static int FINGER_UNDEFINED = 3; |
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private int fingerState = FINGER_RELEASED; |
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CustomTouchListener(WebView pPost, CardView pCard, ImageButton pQuoteToggle) { |
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post = pPost; |
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cardView = pCard; |
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quoteToggle = pQuoteToggle; |
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} |
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final Runnable WebViewLongClick = new Runnable() { |
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public void run() { |
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wasLongClick = true; |
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quoteToggle.performClick(); |
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} |
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}; |
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@Override |
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public boolean onTouch(View view, MotionEvent motionEvent) { |
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switch (motionEvent.getAction()) { |
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case MotionEvent.ACTION_DOWN: |
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downCoordinateX = motionEvent.getX(); |
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downCoordinateY = motionEvent.getY(); |
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if (fingerState == FINGER_RELEASED) |
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fingerState = FINGER_TOUCHED; |
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else |
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fingerState = FINGER_UNDEFINED; |
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//Start long click runnable
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webViewLongClickHandler.postDelayed(WebViewLongClick |
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, LONG_PRESS_DURATION); |
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break; |
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case MotionEvent.ACTION_UP: |
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webViewLongClickHandler.removeCallbacks(WebViewLongClick); |
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if (!wasLongClick && fingerState != FINGER_DRAGGING) { |
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//If this was a link don't expand the card
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WebView.HitTestResult htResult = post.getHitTestResult(); |
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if (htResult.getExtra() != null |
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&& htResult.getExtra() != null) |
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return false; |
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//Else expand/collapse card
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cardView.performClick(); |
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} else |
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wasLongClick = false; |
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fingerState = FINGER_RELEASED; |
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break; |
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case MotionEvent.ACTION_MOVE: |
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//If finger moved too much, cancel long click
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if (((Math.abs(downCoordinateX - motionEvent.getX()) > SCROLL_THRESHOLD || |
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Math.abs(downCoordinateY - motionEvent.getY()) > SCROLL_THRESHOLD))) { |
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webViewLongClickHandler.removeCallbacks(WebViewLongClick); |
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fingerState = FINGER_DRAGGING; |
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} else fingerState = FINGER_UNDEFINED; |
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break; |
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default: |
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fingerState = FINGER_UNDEFINED; |
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} |
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return false; |
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} |
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} |
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//------------------------------------CUSTOM TOUCH LISTENER END-------------------------------------
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//--------------------------------------CUSTOM WEBVIEW CLIENT---------------------------------------
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/** |
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* This class is used to handle link clicks in WebViews. |
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* When link url is one that the app can handle internally, it does. |
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* Otherwise user is prompt to open the link in a browser. |
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*/ |
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@SuppressWarnings("unchecked") |
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private class LinkLauncher extends WebViewClient { //Used to handle link clicks
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//Older versions
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@SuppressWarnings("deprecation") |
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@Override |
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public boolean shouldOverrideUrlLoading(WebView view, String url) { |
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final Uri uri = Uri.parse(url); |
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return handleUri(uri); |
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} |
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|
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//Newest versions
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@TargetApi(Build.VERSION_CODES.N) |
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@Override |
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public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) { |
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final Uri uri = request.getUrl(); |
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return handleUri(uri); |
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} |
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//Handle url clicks
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private boolean handleUri(final Uri uri) { |
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//Method always returns true as we don't want any url to be loaded in WebViews
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Log.i(TAG, "Uri clicked = " + uri); |
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final String host = uri.getHost(); //Get requested url's host
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final String uriString = uri.toString(); |
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//Determine if you are going to pass the url to a
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//host's application activity or load it in a browser.
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if (Objects.equals(host, "www.thmmy.gr")) { |
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//This is my web site, so figure out what Activity should launch
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if (uriString.contains("topic=")) { //This url points to a topic
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//Is the link pointing to current topic?
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if (Objects.equals( |
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uriString.substring(0, uriString.lastIndexOf(".")), base_url)) { |
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//Get uri's targeted message's index number
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String msgIndexReq = uriString.substring(uriString.indexOf("msg") + 3); |
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if (msgIndexReq.contains("#")) |
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msgIndexReq = msgIndexReq.substring(0, msgIndexReq.indexOf("#")); |
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else |
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msgIndexReq = msgIndexReq.substring(0, msgIndexReq.indexOf(";")); |
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//Is this post already shown now? (is it in current page?)
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for (Post post : postsList) { |
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if (post.getPostIndex() == Integer.parseInt(msgIndexReq)) { |
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//Don't restart Activity
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//Just change post focus
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//TODO
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return true; |
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} |
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} |
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} |
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//Restart activity with new data
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//TODO
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} |
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return true; |
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} |
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//Otherwise, the link is not for a page on my site, so launch
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//another Activity that handles URLs
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Intent intent = new Intent(Intent.ACTION_VIEW, uri); |
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intent.setFlags(FLAG_ACTIVITY_NEW_TASK); |
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context.startActivity(intent); |
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return true; |
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} |
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} |
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//------------------------------------CUSTOM WEBVIEW CLIENT END-------------------------------------
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} |
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@ -0,0 +1,57 @@ |
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package gr.thmmy.mthmmy.utils; |
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/* |
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* Copyright 2014 Julian Shen |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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|
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import android.graphics.Bitmap; |
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import android.graphics.BitmapShader; |
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import android.graphics.Canvas; |
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import android.graphics.Paint; |
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|
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import com.squareup.picasso.Transformation; |
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|
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public class CircleTransform implements Transformation { |
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@Override |
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public Bitmap transform(Bitmap source) { |
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int size = Math.min(source.getWidth(), source.getHeight()); |
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|
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int x = (source.getWidth() - size) / 2; |
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int y = (source.getHeight() - size) / 2; |
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|
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Bitmap squaredBitmap = Bitmap.createBitmap(source, x, y, size, size); |
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if (squaredBitmap != source) { |
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source.recycle(); |
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} |
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|
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Bitmap bitmap = Bitmap.createBitmap(size, size, source.getConfig()); |
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|
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Canvas canvas = new Canvas(bitmap); |
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Paint paint = new Paint(); |
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BitmapShader shader = new BitmapShader(squaredBitmap, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP); |
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paint.setShader(shader); |
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paint.setAntiAlias(true); |
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|
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float r = size / 2f; |
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canvas.drawCircle(r, r, r, paint); |
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|
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squaredBitmap.recycle(); |
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return bitmap; |
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} |
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|
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@Override |
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public String key() { |
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return "circle"; |
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} |
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} |
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@ -1,72 +0,0 @@ |
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package gr.thmmy.mthmmy.utils; |
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|
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import android.content.Context; |
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import android.graphics.Bitmap; |
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import android.graphics.Bitmap.Config; |
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import android.graphics.Canvas; |
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import android.graphics.Paint; |
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import android.graphics.PorterDuff.Mode; |
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import android.graphics.PorterDuffXfermode; |
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import android.graphics.Rect; |
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import android.graphics.RectF; |
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import android.graphics.drawable.BitmapDrawable; |
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import android.util.AttributeSet; |
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|
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import com.android.volley.toolbox.NetworkImageView; |
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|
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public class CircularNetworkImageView extends NetworkImageView { |
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private static final int THUMBNAIL_SIZE = 80; |
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private Context mContext; |
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|
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public CircularNetworkImageView(Context context) { |
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super(context); |
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mContext = context; |
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} |
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|
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public CircularNetworkImageView(Context context, AttributeSet attrs) { |
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this(context, attrs, 0); |
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mContext = context; |
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} |
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|
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public CircularNetworkImageView(Context context, AttributeSet attrs, |
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int defStyle) { |
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super(context, attrs, defStyle); |
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mContext = context; |
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} |
|||
|
|||
@Override |
|||
public void setImageBitmap(Bitmap bm) { |
|||
if (bm == null) return; |
|||
setImageDrawable(new BitmapDrawable(mContext.getResources(), |
|||
getCircularBitmap(bm))); |
|||
} |
|||
|
|||
/** |
|||
* Creates a circular bitmap and uses whichever dimension is smaller to determine the width |
|||
* <br/>Also constrains the circle to the leftmost part of the image |
|||
*/ |
|||
private Bitmap getCircularBitmap(Bitmap bitmap) { |
|||
bitmap = Bitmap.createScaledBitmap(bitmap, THUMBNAIL_SIZE, THUMBNAIL_SIZE, false); |
|||
Bitmap output = Bitmap.createBitmap(bitmap.getWidth(), |
|||
bitmap.getHeight(), Config.ARGB_8888); |
|||
Canvas canvas = new Canvas(output); |
|||
int size = bitmap.getWidth(); |
|||
if (bitmap.getWidth() > bitmap.getHeight()) |
|||
size = bitmap.getHeight(); |
|||
final int color = 0xff424242; |
|||
final Paint paint = new Paint(); |
|||
final Rect rect = new Rect(0, 0, size, size); |
|||
final RectF rectF = new RectF(rect); |
|||
final float roundPx = size / 2; |
|||
|
|||
paint.setAntiAlias(true); |
|||
canvas.drawARGB(0, 0, 0, 0); |
|||
paint.setColor(color); |
|||
canvas.drawRoundRect(rectF, roundPx, roundPx, paint); |
|||
|
|||
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN)); |
|||
canvas.drawBitmap(bitmap, rect, rect, paint); |
|||
|
|||
return output; |
|||
} |
|||
} |
|||
@ -1,66 +0,0 @@ |
|||
package gr.thmmy.mthmmy.utils; |
|||
|
|||
import android.app.Application; |
|||
import android.text.TextUtils; |
|||
|
|||
import com.android.volley.Request; |
|||
import com.android.volley.RequestQueue; |
|||
import com.android.volley.toolbox.ImageLoader; |
|||
import com.android.volley.toolbox.Volley; |
|||
|
|||
public class ImageController extends Application { |
|||
|
|||
private static final String TAG = ImageController.class.getSimpleName(); |
|||
private static ImageController mInstance; |
|||
private RequestQueue mRequestQueue; |
|||
private ImageLoader mImageLoader; |
|||
|
|||
public static synchronized ImageController getInstance() { |
|||
return mInstance; |
|||
} |
|||
|
|||
@Override |
|||
public void onCreate() { |
|||
super.onCreate(); |
|||
mInstance = this; |
|||
} |
|||
|
|||
private RequestQueue getRequestQueue() { |
|||
if (mRequestQueue == null) { |
|||
mRequestQueue = Volley.newRequestQueue(getApplicationContext()); |
|||
} |
|||
|
|||
return mRequestQueue; |
|||
} |
|||
|
|||
public ImageLoader getImageLoader() { |
|||
getRequestQueue(); |
|||
if (mImageLoader == null) { |
|||
mImageLoader = new ImageLoader(this.mRequestQueue, |
|||
new LruBitmapCache()); |
|||
} |
|||
return this.mImageLoader; |
|||
} |
|||
|
|||
public <T> void addToRequestQueue(Request<T> req, String tag) { |
|||
// set the default tag if tag is empty
|
|||
req.setTag(TextUtils.isEmpty(tag) ? TAG : tag); |
|||
getRequestQueue().add(req); |
|||
} |
|||
|
|||
public <T> void addToRequestQueue(Request<T> req) { |
|||
req.setTag(TAG); |
|||
getRequestQueue().add(req); |
|||
} |
|||
|
|||
public void cancelPendingRequests() { |
|||
mRequestQueue.cancelAll(new RequestQueue.RequestFilter() { |
|||
@Override |
|||
public boolean apply(Request<?> request) { |
|||
return true; |
|||
} |
|||
}); |
|||
} |
|||
} |
|||
|
|||
|
|||
@ -1,41 +0,0 @@ |
|||
package gr.thmmy.mthmmy.utils; |
|||
|
|||
import android.graphics.Bitmap; |
|||
import android.support.v4.util.LruCache; |
|||
|
|||
import com.android.volley.toolbox.ImageLoader.ImageCache; |
|||
|
|||
class LruBitmapCache extends LruCache<String, Bitmap> implements |
|||
ImageCache { |
|||
private static final int CACHE_SIZE_DIVIDER = 8; |
|||
|
|||
LruBitmapCache() { |
|||
this(getDefaultLruCacheSize()); |
|||
} |
|||
|
|||
private LruBitmapCache(int sizeInKiloBytes) { |
|||
super(sizeInKiloBytes); |
|||
} |
|||
|
|||
private static int getDefaultLruCacheSize() { |
|||
final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024); |
|||
final int cacheSize = maxMemory / CACHE_SIZE_DIVIDER; |
|||
|
|||
return cacheSize; |
|||
} |
|||
|
|||
@Override |
|||
protected int sizeOf(String key, Bitmap value) { |
|||
return value.getRowBytes() * value.getHeight() / 1024; |
|||
} |
|||
|
|||
@Override |
|||
public Bitmap getBitmap(String url) { |
|||
return get(url); |
|||
} |
|||
|
|||
@Override |
|||
public void putBitmap(String url, Bitmap bitmap) { |
|||
put(url, bitmap); |
|||
} |
|||
} |
|||
Loading…
Reference in new issue