java类com.squareup.picasso.Picasso的实例源码

@Override
public void onCreate() {
    super.onCreate();

    if(!FirebaseApp.getApps(this).isEmpty()){
        FirebaseDatabase.getInstance().setPersistenceEnabled(true);
    }

    Picasso.Builder builder = new Picasso.Builder(this);
    builder.downloader(new OkHttp3Downloader(this, Integer.MAX_VALUE));
    Picasso built = builder.build();
    built.setIndicatorsEnabled(false);
    built.setLoggingEnabled(true);
    Picasso.setSingletonInstance(built);
}

private void setUpBackdrop(View view) {
    Context context = view.getContext();

    ImageView imgBackdrop = (ImageView) view.findViewById(R.id.iv_movie_backdrop);
    View viewOverlay = view.findViewById(R.id.view_backdrop_overlay);
    TextView tvTitle = (TextView) view.findViewById(R.id.tv_movie_detail_title);

    Picasso.with(context)
            .load(R.mipmap.civil_war_backdrop)
            .transform(new GrayscaleTransformation(Picasso.with(context)))
            .into(imgBackdrop);

    imgBackdrop.setContentDescription(mTitle);
    viewOverlay.setAlpha((float) 0.8);
}

@Override
public View getItemView(int sectionIndex, int position, View convertView,
        ViewGroup parent) {
    if (convertView == null) {
        convertView = LayoutInflater.from(context).inflate(
                R.layout.pic_view, parent, false);
    }
    ImageView img = (ImageView) convertView.findViewById(R.id.pic);
    if (hideImages) {
        int idx = position % colors.length;
        img.setBackgroundColor(colors[idx]);

    } else {
        Shot s = (Shot)(this.section.getData().get(position));
        Picasso.with(context)
                .load(s.getImage_teaser_url())
                .into(img);
    }

    return convertView;
}

@Override
public void onBindViewHolder(MyViewHolder holder, final int position) {
    if(holder.itemView.getScrollX()!=0){
        ((HorizontalScrollView)holder.itemView).fullScroll(View.FOCUS_UP);//如果item的HorizontalScrollView没在初始位置，则滚动回顶部
    }
    holder.ll.setMinimumWidth(screenwidth);//设置LinearLayout宽度为屏幕宽度
    holder.tv.setText("图"+position);
    Picasso.with(LineActivity2.this).load(meizis.get(position).getUrl()).into(holder.iv);

    holder.ll.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            SnackbarUtil.ShortSnackbar(coordinatorLayout,"点击第"+position+"个",SnackbarUtil.Info).show();
        }
    });
}

@Override
public void initData() {
    mCurrentUser = BmobUser.getCurrentUser(User.class);
    BmobFile userPhotoFile = mCurrentUser.getUserPhoto();
    String nick = mCurrentUser.getNick();
    String objectId = mCurrentUser.getObjectId();


    if (!TextUtils.isEmpty(nick)) {
        mTvName.setText(nick);
    }

    if (!TextUtils.isEmpty(objectId)) {
        mTvID.setText("飞鸽号：" + objectId);
    }

    if (userPhotoFile == null) {
        mCivUserPhoto.setImageResource(R.drawable.ic_default);
    } else {
        Picasso.with(getContext()).load(userPhotoFile.getFileUrl()).into(mCivUserPhoto);
    }

}

@Override
public View getView(int i, View view) {

    ImageView iv = new ImageView(context);
    iv.setScaleType(ImageView.ScaleType.CENTER_CROP);
    iv.setBackgroundColor(Color.parseColor("#f5f5f5"));
    Picasso.with(context).load(getUrl(i)).placeholder(new ColorDrawable(Color.parseColor("#f5f5f5"))).into(iv);
    return iv;
}

void bind(Article article) {
    mData = article;

    if (!TextUtils.isEmpty(article.getCoverUrl())) {
        mBinding.coverView.setVisibility(View.VISIBLE);
        Picasso.with(itemView.getContext())
                .load(article.getCoverUrl())
                .centerCrop()
                .fit()
                .into(mBinding.coverView);
    } else {
        mBinding.coverView.setVisibility(View.GONE);
    }

    mBinding.titleView.setText(article.getTitle());
    mBinding.descriptionView.setText(article.getDescription());
}

@Override
public void onBindViewHolder(NewsVH holder, int position) {
    if (position == (mNewsArticleList.size()-1)) {
        mOnBottomReachedListener.onBottomReached();
    }
    final NewsArticle article = mNewsArticleList.get(position);
    String imageUrl = getNewsImagePath(article.getPulseImage().getCloudId());

    holder.newsTitle.setText(article.getTitle());
    holder.newsDate.setText(TextUtils.
            getFormattedDateForArticleFromUnixEpoch(article.getCreatedTimestamp()));
    Picasso.with(mContext)
            .load(imageUrl)
            .placeholder(R.drawable.placeholder_image)
            .into(holder.newsImage);

    holder.newsCard.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            mNewsArticleListener.onNewsArticleClickListener(article);
        }
    });
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder;
    if(convertView==null) {
        holder=new ViewHolder();
        inflater=LayoutInflater.from(context);
        convertView= inflater.inflate(R.layout.videolist, parent, false);
        holder.tvtitle=(TextView) convertView.findViewById(R.id.videoTitletextview);
        holder.ivthumbnail=(ImageView) convertView.findViewById(R.id.videoPreviewThumb);
        convertView.setTag(holder);
    }
    else {
        holder=(ViewHolder)convertView.getTag();
    }
    holder.tvtitle.setText(video.get(position).getName());
    holder.tvtitle.setTypeface(typeface);
    Picasso.with(context).load("https://i.ytimg.com/vi/"+video.get(position).getVideoId().toString()+"/hqdefault.jpg").placeholder(R.drawable.logowhite).into(holder.ivthumbnail);

    return convertView;
}

@Override
public void onBindViewHolder(RecyclerTestHolder holder, int position) {
    HomepageData.RecSpecialistBean data = datalist.get(position);
    HomepageData.RecSpecialistBean.ExperInfoBean experInfo = datalist.get(position).getExperInfo();

    Picasso.with(context)
            .load(UrlInfo.PREFIX_IMAGE_URL + experInfo.getAvatar())
            .into(holder.ivSchemeicon);
    String name = experInfo.getSname() + experInfo.getGname();
    holder.tvExpertName.setText(name);
    if (data.getTitle()!= null) {
        holder.tvExperttitle.setText(data.getTitle() + "");
    } else {
        holder.tvExperttitle.setText("");
    }

    holder.tvCompanyName.setText(experInfo.getEmployer());
    if (data.getSpecialty()!= null) {
        holder.tvExpertServiceMoney.setText("擅长:" + data.getSpecialty());
    } else {
        holder.tvExpertServiceMoney.setText("擅长:");
    }
    holder.BuyTimes.setText("已服务100次");
}

private View getImageView(Context context, int resId) {
    /* 设置某一页面的view */
    RelativeLayout relativeLayout = new RelativeLayout(context);
    ImageView imageView = new ImageView(context);
    RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(
            RelativeLayout.LayoutParams.MATCH_PARENT, RelativeLayout.LayoutParams.MATCH_PARENT);
    imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);
    imageView.setLayoutParams(layoutParams);
    // 设置一个半透明的黑色背景，防止白字受白色图片干扰而无法显示
    ImageView background = new ImageView(context);
    background.setLayoutParams(layoutParams);
    background.setBackgroundResource(R.color.colorCycleViewBannerBackground);
    relativeLayout.addView(imageView);
    relativeLayout.addView(background);
    Picasso.with(context).load(resId).into(imageView);
    return relativeLayout;
}

private void populateUserProfileData() {
    repositories.setText(String.format(Locale.getDefault(), "%d", entry.getPublicRepos()));
    followers.setText(String.format(Locale.getDefault(), "%d", entry.getFollowers()));
    following.setText(String.format(Locale.getDefault(), "%d", entry.getFollowing()));

    Picasso pic = Picasso.with(this.getContext());
    if (entry.getImageUri() == null || entry.getImageUri().isEmpty()) {
        pic.load(R.drawable.octocat)
                .fit().centerCrop()
                .into(profilePoster);
    } else {
        pic.load(entry.getImageUri())
                .fit().centerCrop()
                .error(R.drawable.octocat)
                .into(profilePoster);
    }
}

public void bindView(FeedItem feedItem, String userId) {
  this.feedItem = feedItem;
  Picasso.with(itemView.getContext())
      .load(Uri.parse(feedItem.getUserAvatarUrl()))
      .into(ivUserAvatar);
  tvUserName.setText(feedItem.getUserNickname());
  Picasso.with(itemView.getContext())
      .load(Uri.parse(feedItem.getPhotoSourceUrl()))
      .into(ivPhoto);
  if (feedItem.getPhotoDescription().isEmpty()) {
    tvDescription.setVisibility(View.GONE);
  } else {
    tvDescription.setVisibility(View.VISIBLE);
    tvDescription.setText(
        getStylizedText(feedItem.getUserNickname(), feedItem.getPhotoDescription()));
  }

  List<String> userLikes = feedItem.getUserLikes();
  int likesCount = userLikes != null ? userLikes.size() : 0;
  btnLike.setImageResource(
      userLikes != null && userLikes.contains(userId) ? R.drawable.ic_heart_red
          : R.drawable.ic_heart_outline_grey);
  tsLikesCounter.setCurrentText(
      itemView.getResources().getQuantityString(R.plurals.likes_count, likesCount, likesCount));
}

@Override
public RemoteViews notificationChange(Notification notification, int notificationId, RemoteViews remoteViews) {

    if (mImageNotification != null) {
        remoteViews.setViewVisibility(R.id.notification_icon, View.VISIBLE);
        Picasso.with(this).load(mImageNotification)
                .into(remoteViews, R.id.notification_icon, notificationId, notification);
    }

    remoteViews.setViewVisibility(R.id.notification_title, View.VISIBLE);
    remoteViews.setTextViewText(R.id.notification_title, mTitle.getText().toString());

    remoteViews.setViewVisibility(R.id.notification_subtitle, View.VISIBLE);
    remoteViews.setTextViewText(R.id.notification_subtitle, mSubtitle.getText().toString());

    if (!mStop.isChecked()) {
        remoteViews.setViewVisibility(R.id.stop_icon, View.GONE);
    }

    if (!mPlayPause.isChecked()) {
        remoteViews.setViewVisibility(R.id.play_icon, View.GONE);
        remoteViews.setViewVisibility(R.id.pause_icon, View.GONE);
    }

    return remoteViews;
}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_animal_detail);
    supportPostponeEnterTransition();

    Bundle extras = getIntent().getExtras();
    AnimalItem animalItem = extras.getParcelable(RecyclerViewActivity.EXTRA_ANIMAL_ITEM);

    ImageView imageView = (ImageView) findViewById(R.id.animal_detail_image_view);
    TextView textView = (TextView) findViewById(R.id.animal_detail_text);
    textView.setText(animalItem.detail);

    String imageUrl = animalItem.imageUrl;
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        String imageTransitionName = extras.getString(RecyclerViewActivity.EXTRA_ANIMAL_IMAGE_TRANSITION_NAME);
        imageView.setTransitionName(imageTransitionName);
    }

    Picasso.with(this)
            .load(imageUrl)
            .noFade()
            .into(imageView, new Callback() {
                @Override
                public void onSuccess() {
                    supportStartPostponedEnterTransition();
                }

                @Override
                public void onError() {
                    supportStartPostponedEnterTransition();
                }
            });
}

@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);

    AnimalItem animalItem = getArguments().getParcelable(EXTRA_ANIMAL_ITEM);
    String transitionName = getArguments().getString(EXTRA_TRANSITION_NAME);

    TextView detailTextView = (TextView) view.findViewById(R.id.animal_detail_text);
    detailTextView.setText(animalItem.detail);

    ImageView imageView = (ImageView) view.findViewById(R.id.animal_detail_image_view);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        imageView.setTransitionName(transitionName);
    }

    Picasso.with(getContext())
            .load(animalItem.imageUrl)
            .noFade()
            .into(imageView, new Callback() {
                @Override
                public void onSuccess() {
                    startPostponedEnterTransition();
                }

                @Override
                public void onError() {
                    startPostponedEnterTransition();
                }
            });
}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.picasso_activity_a);

    final ImageView imageView = (ImageView) findViewById(R.id.picasso_activity_a_imageView);
    Picasso.with(this)
            .load(TIGER_PIC_URL)
            .fit()
            .centerCrop()
            .into(imageView);

    Button button = (Button) findViewById(R.id.picasso_activity_a_btn);
    button.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent = new Intent(PicassoActivityA.this, PicassoActivityB.class);
            ActivityOptionsCompat options = ActivityOptionsCompat.
                    makeSceneTransitionAnimation(PicassoActivityA.this,
                            imageView,
                            ViewCompat.getTransitionName(imageView));
            startActivity(intent, options.toBundle());
        }
    });

}

void bindTv(TV tv, int position) {
    mTV = tv;

    positionView.setText(String.valueOf(position + 1));
    Drawable placeholder = ResourcesCompat.getDrawable(mContext.getResources(), R.drawable.background_reel, null);
    Picasso.with(mContext)
            .load(Constants.TMDB_IMAGE_URL + Constants.POSTER_SIZE_W342 + tv.getPosterPath())
            .placeholder(placeholder)
            .fit().centerCrop()
            .noFade()
            .into(posterView);
    nameView.setText(tv.getName());
    originalNameView.setText(mContext.getString(R.string.movie_original_name, tv.getOriginalName(), StringUtils.getYear(tv.getFirstAirDate())));
    voteAverageView.setText(String.valueOf(tv.getVoteAverage()));
    voteCountView.setText(String.valueOf(tv.getVoteCount()));
}

@Override
public void onBindViewHolder(final ViewHolder holder, final int position) {
    TutoriaData tutoria = tutorias.get(position);

    holder.title.setText(tutoria.getTitle());

    if (!tutoria.getLastModify().isEmpty()) {
        holder.date.setText(tutoria.getLastModify());
    } else {
        holder.date.setText("");
    }

    Picasso.with(context).load(tutoria.getTeacherPicture()).into(holder.tpicture);
    holder.subject.setText(AppManager.capFirstLetter(tutoria.getSubjectName()));

    holder.llayout.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            if (event.getAction() == MotionEvent.ACTION_UP) {
                listener.onItemClick(position);
            }
            return false;
        }
    });
}

public void setimg(final Context ctx, final String postimag)
{
    final ImageView postimage = (ImageView)view.findViewById(R.id.postimage);
    Picasso.with(ctx).load(postimag).networkPolicy(NetworkPolicy.OFFLINE).into(postimage, new Callback() {
        @Override
        public void onSuccess() {

        }

        @Override
        public void onError() {
            Picasso.with(ctx).load(postimag).into(postimage);

        }
    });


}

@Override
public void onBindViewHolder(WallpViewHolder holder, int position) {

    Hit photo = this.hit.get(position);
    RelativeLayout.LayoutParams rlp = (RelativeLayout.LayoutParams) holder.discWallp.getLayoutParams();
    float height =photo.getPreviewHeight();
    float width = photo.getPreviewWidth();
    float ratio =  height/width ;
    rlp.height = (int) (rlp.width * ratio);
    holder.discWallp.setLayoutParams(rlp);
    holder.discWallp.setRatio(ratio);
    File file = new File(Environment.getExternalStoragePublicDirectory("/"+R.string.app_name), photo.getId()+context.getResources().getString(R.string.jpg));
    Picasso.with(context)
            .load(file)
            .placeholder(R.drawable.plh)
            .into(holder.discWallp);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if(requestCode == GALLERY_INTENT && resultCode == RESULT_OK) {
        Uri uri = data.getData();
        StorageReference filepath = mStorage.child("Photos").child(uri.getLastPathSegment());
        filepath.putFile(uri).addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
            @Override
            public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
                downloadURL = taskSnapshot.getDownloadUrl().toString();
                Picasso.with(getApplicationContext()).load(downloadURL).into(imageItem);
                Toast.makeText(AddItemActivity.this, "Upload Done", Toast.LENGTH_LONG).show();
            }
        });
    }
}

@Override
protected Bitmap doInBackground(ScraperImage... params) {
    ScraperImage poster = params[0];

    // Save in DB and download
    if (poster.setAsDefault(getActivity(), -1)) { // -1 means for the whole show (not for a given season)
        poster.download(getActivity());
    }
    // Update the bitmap
    Bitmap bitmap=null;
    try {
        bitmap = Picasso.get()
                .load(poster.getLargeUrl())
                .noFade()
                .get();

    } catch (IOException e) {
        Log.d(TAG, "ShowPosterSaverTask Picasso load exception", e);
    }

    return bitmap;
}

private void updateAvatar(String avatarName) {
    api = RetrofitClient.getSocialSystemAPI();
    addSubscription(api.updateAvatar(App.getUser().getUserID(), avatarName)
            .flatMap(NetworkFailureHandler.httpFailureFilter)
            .subscribeOn(Schedulers.io())
            .observeOn(AndroidSchedulers.mainThread())
            .map(response -> ((UserResponse) response).getResult())
            .subscribe(
                    result -> {
                        User user = new User(result, context);
                        App.setUser(user);
                        Picasso.with(context).load(App.getUser().getAvatarUrl()).into(imgUserAvatar);
                        ToastUtil.showShort("上传成功");
                        bottomDialog.dismiss();
                    }, NetworkFailureHandler.loginErrorHandler
            ));
}

/**
 * 用户信息
 */
private void setProfileInfo(UserBean userBean) {
    String userProfileImagUrl = userBean.getProfileImage();
    String userAvatarUrl = userBean.getAvatar();
    String userName = userBean.getUsername();
    String userNick = userBean.getNick();
    if (userName != null && !userName.equals("")) {
        userNameTv.setText(userName.trim());
    }
    if (userAvatarUrl != null && !userAvatarUrl.equals("")) {
        Picasso.with(mContext).load(userAvatarUrl).placeholder(R.mipmap.profile_fail).error(R.mipmap.profile_fail).into(avatarImg);
    }
    if (userProfileImagUrl != null && !userProfileImagUrl.equals("")) {
        Picasso.with(mContext).load(userProfileImagUrl).placeholder(R.mipmap.header).error(R.mipmap.header).into(profileImg);
    }
}

/**
 * non blocking (using Picasso to load the Uri)
 *
 * @param imageUri
 */
protected void updateCardView(Uri imageUri, long videoId, boolean isLarge) {
    if(!(mImageCardViewTarget.getLastUri()!=null&&mImageCardViewTarget.getLastUri().equals(imageUri) && mImageCardViewTarget.isLastStateError())) {

        mImageCardViewTarget.setLastUri(imageUri);
        mCardView.setMainImageDimensions(getWidth(mContext, isLarge), getHeight(mContext, isLarge));
        mImageCardViewTarget.setVideoId(videoId);
        Picasso.get()
                // must use an Uri here, does not work with path only
                .load(imageUri)
                .resize(getWidth(mContext, isLarge), getHeight(mContext, isLarge))
                .centerCrop()
                .error(mErrorDrawable)
                .into(mImageCardViewTarget);
    }
    //if last update of vh failed with the same uri
    else
        updateCardView(mErrorDrawable);

}

@Override
protected void onPostExecute(Void aVoid) {
    super.onPostExecute(aVoid);
    if (response.getRsm() != null) {
        // 显示用户个人信息
        UserInfo info = response.getRsm();
        setTitle(info.getUser_name() + "的主页");
        Picasso.with(UserActivity.this).load(info.getAvatar_file()).into(imgAvatar);
        MenuItem item = menu.findItem(R.id.action_focus);
        if (info.getHas_focus() == 1) {
            item.setTitle("取消关注");
        } else {
            item.setTitle("关注");
        }
    }
}

public void setimg(final Context ctx, final String postimag)
{
    final ImageView postimage = (ImageView)view.findViewById(R.id.postimage);
    Picasso.with(ctx).load(postimag).networkPolicy(NetworkPolicy.OFFLINE).into(postimage, new Callback() {
        @Override
        public void onSuccess() {

        }

        @Override
        public void onError() {
            Picasso.with(ctx).load(postimag).into(postimage);

        }
    });


}

public void setimg(final Context ctx, final String postimag) {
    final ImageView postimage = (ImageView)view.findViewById(R.id.postimage);
    Picasso.with(ctx).load(postimag).networkPolicy(NetworkPolicy.OFFLINE).into(postimage, new Callback() {
        @Override
        public void onSuccess() {

        }

        @Override
        public void onError() {
            Picasso.with(ctx).load(postimag).into(postimage);

        }
    });


}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == Constants.RQ_STORY_TO_IMAGE && resultCode == RESULT_OK && data != null) {
        ImageView coverStory = findViewById(R.id.coverStory);
        Picasso.with(getBaseContext()).load(data.getStringExtra(Constants.EXTRA_FILE)).into(coverStory);
        hasNewCover = true;
        isDefaultCover = false;
    } else if (requestCode == Constants.RQ_STORY_TO_SCAN_LAN && resultCode == RESULT_OK && data != null) {
        ArrayList<DeviceDAO> devices = data.getParcelableArrayListExtra(Constants.EXTRA_DEVICES);
        if (story == null) {
            story = new StoryDAO();
        }
        story.setDevices(devices);
        populateDevices();
    }
}