Java RequestCreator.placeholder方法代码示例

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
private RequestCreator loadOptions(RequestCreator requestCreator) {
    if (options == null) {
        return requestCreator;
    }
    if (options.targetHeight > 0 && options.targetWidth > 0) {
        requestCreator.resize(options.targetWidth, options.targetHeight);
    }
    if (options.isCenterInside) {
        requestCreator.centerInside();
    } else if (options.isCenterCrop) {
        requestCreator.centerCrop();
    }
    if (options.config != null) {
        requestCreator.config(options.config);
    }
    if (options.errorResId != 0) {
        requestCreator.error(options.errorResId);
    }
    if (options.placeholderResId != 0) {
        requestCreator.placeholder(options.placeholderResId);
    }
    if (options.bitmapAngle != 0) {
        requestCreator.transform(new PicassoTransformation(options.bitmapAngle));
    }
    return requestCreator;
}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
public static void setPicasso(Context context, Uri url, ImageView imageView, @DrawableRes int placeHolder) {

        Picasso picasso = Picasso.with(context);

        if (BuildConfig.DEBUG)
            picasso.setLoggingEnabled(true);

        RequestCreator requestCreator = picasso.load(url);

        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            requestCreator.placeholder(placeHolder);
            requestCreator.error(placeHolder);
        } else {
            Drawable drawable = AppCompatDrawableManager.get().getDrawable(context, placeHolder);
            requestCreator.placeholder(drawable);
            requestCreator.error(drawable);
        }

        requestCreator.into(imageView);
    }
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
	boolean fitXY = getArguments().getBoolean(FIT_XY);
	if (getActivity() instanceof HelloActivity) {
		if (!((HelloActivity) getActivity()).isNetworkAvailable()) {
			if (fitXY) {
				Toast.makeText(getActivity(), R.string.network_unavailable, Toast.LENGTH_SHORT).show();
				mFantasy.setImageResource(R.drawable.default_fantasy);
				return; // 没有网络，直接结束第一张fantasy
			}
		}
	}
	RequestCreator creator = Picasso.with(getActivity()).load(mUrl);
	if (fitXY) {
		creator.placeholder(R.drawable.default_fantasy);
	}
	creator.error(R.drawable.error)
			.into(target);
}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
public static void displayNoScaling(ImageView imageView, String uri, boolean fadeIn, int stubImage, ImageLoaderListener listener)
{
	if (uri == null || uri.length() == 0)
		uri = FAKE_URI;

	Picasso picasso = Picasso.with(imageView.getContext());
	RequestCreator requestCreator = picasso.load(uri);

	if (stubImage != 0)
	{
		requestCreator.placeholder(stubImage);
		requestCreator.error(stubImage);
	}

	if (!(fadeIn && FADE_ENABLED))
		requestCreator.noFade();

	requestCreator.into(imageView, listener);
}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
private static RequestCreator processResId(RequestCreator taget, int placeholderResId, int errorResId) {
    if (0 != placeholderResId && 0 != errorResId) {
        return taget
                .placeholder(placeholderResId)
                .error(errorResId);
    } else if (0 != placeholderResId) {
        return taget.placeholder(placeholderResId);
    } else if (0 != errorResId) {
        return taget.error(errorResId);
    }
    return taget;
}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
/**
 * Loads the bitmap at the provided url, but checks the cache first.
 *
 * @param view the view to where the bitmap shall be set.
 * @param url the urk of the bitmap. This acts as a key for the cache.
 * @param options the option bundle.
 * @param callback an optional callback.
 */
public static void loadBitmap(@NonNull ImageView view, @Nullable String url,
                              @NonNull Options options,
                              @Nullable final Callback callback){
    if (url == null || url.isEmpty()){
        //view.setImageResource(R.drawable.ic_compass_white_50dp);
    }
    else{
        Picasso picasso = Picasso.with(view.getContext());
        picasso.setIndicatorsEnabled(BuildConfig.DEBUG);
        RequestCreator request = picasso.load(url);
        if (options.mUseDefaultPlaceholder){
            //request.placeholder(R.drawable.ic_compass_white_50dp);
        }
        else if (options.mPlaceholder != 0){
            request.placeholder(options.mPlaceholder);
        }
        if (options.mCropToCircle){
            request.transform(new CircleCropTransformation());
        }
        request.into(view, new com.squareup.picasso.Callback(){
            @Override
            public void onSuccess(){
                if (callback != null){
                    callback.onImageLoadSuccess();
                }
            }

            @Override
            public void onError(){
                if (callback != null){
                    callback.onImageLoadFailure();
                }
            }
        });
    }
}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
@Override
public void show() {
  RequestCreator creator = Picasso.with(imageView != null ? imageView.getContext() : context)
      .load(url);

  if (transformation != null) {
    creator.transform(transformation);
  }

  if (placeholder != null) {
    creator.placeholder(placeholder);
  }

  if (with > 0 && height > 0) {
    creator.resize(with, height);
  }

  if (centerCrop) {
    creator.centerCrop();
  }

  if (fit) {
    creator.fit();
  }

  if (target != null) {
    creator.into(target);
  } else {
    creator.into(imageView);
  }
}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
/**
 * Prepares loading request creator with configuration based on this task's parameters.
 *
 * @param loader Loader used to obtain the creator.
 * @return Prepared image loading request creator to be executed.
 */
@NonNull
protected RequestCreator onPrepareRequestCreator(@NonNull Picasso loader) {
	final RequestCreator creator = loader.load(mTarget);
	if (mPlaceholderRes != NO_RESOURCE_ID) creator.error(mPlaceholderRes);
	if (mPlaceholder != null) creator.error(mPlaceholder);
	if (mErrorRes != NO_RESOURCE_ID) creator.placeholder(mErrorRes);
	if (mError != null) creator.placeholder(mError);
	if (mTransformation != null) creator.transform(mTransformation);
	if (hasRequest(REQUEST_DO_NOT_ANIMATE)) creator.noFade();
	return creator;
}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
public static void display(ImageView imageView, String uri, boolean fadeIn, int stubImage, ImageLoaderListener listener)
{
	if (uri == null || uri.length() == 0)
		uri = FAKE_URI;
	
	/*uri = uri.replace("�", URLEncoder.encode("�"));
	uri = uri.replace("�", URLEncoder.encode("�"));
	uri = uri.replace("'", URLEncoder.encode("'"));
	uri = uri.replace("�", URLEncoder.encode("�"));*/
	
	uri = Uri.encode(uri, ALLOWED_URI_CHARS);

	Picasso picasso = Picasso.with(imageView.getContext());
	RequestCreator requestCreator = picasso.load(uri);

	if (stubImage != 0)
	{
		requestCreator.placeholder(stubImage);
		requestCreator.error(stubImage);
	}

	if (!(fadeIn && FADE_ENABLED))
		requestCreator.noFade();

	LayoutParams params = imageView.getLayoutParams();

	if (params.width > 0 && params.height > 0)
	{
		requestCreator.resize(params.width, params.height, true);
	}

	requestCreator.inSampleSize(true);
	requestCreator.into(imageView, listener);
}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
private void setUpPhotoFromUrl(){
    RequestCreator requestCreator = Picasso.with(this)
            .load(pictureUrl);

    if(!showLoadingProgress){
        hideProgressView();
    }
    if(displayErrorDrawableNeeded()){
        requestCreator.error(photoErrorDrawableResId);
    }
    if(displayPlaceHolderNeeded()){
        requestCreator.placeholder(photoPlaceHolderResId);
    }
    requestCreator
            .into(picturePhotoView, new Callback() {
                @Override
                public void onSuccess() {
                    hideProgressView();
                    addPhotoViewAttacherAndTapListener();
                    runHideActionBarTimer();
                }

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

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
private RequestCreator build() {
  RequestCreator requestCreator;

  if (!TextUtils.isEmpty(url)) {
    requestCreator = picasso.load(url);
  } else if (resourceId != 0) {
    requestCreator = picasso.load(resourceId);
  } else {
    return null;
  }

  if (placeholder != null) {
    requestCreator = requestCreator.placeholder(placeholder);
  }

  if (error != null) {
    requestCreator = requestCreator.error(error);
  }

  if (width > 0 && height > 0) {
    requestCreator = requestCreator.resize(width, height);
  }

  if (bitmapTransformation != null) {
    for (int i = 0; i < bitmapTransformation.size(); i++) {
      requestCreator = requestCreator.transform(bitmapTransformation.get(i));
    }
  }

  if (centerCrop) {
    requestCreator = requestCreator.centerCrop();
  }

  if (fitCenter) {
    requestCreator = requestCreator.centerInside();
  }
  if (degrees > 0) {
    requestCreator = requestCreator.rotate(degrees);
  }

  return requestCreator;
}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
private void bindEventAndShow(
        @NonNull final ImageView targetImageView,
        @NonNull final String mURI
) {

    //  mLoadListener.onStart(me);
    final Picasso p = Picasso.with(mContext);
    final RequestCreator mreq = p.load(mURI);
    if (getEmpty() != 0) {
        mreq.placeholder(getEmpty());
    }
    if (getError() != 0) {
        mreq.error(getError());
    }
    if (mImageLocalStorageEnable) {
        mreq.memoryPolicy(MemoryPolicy.NO_STORE, MemoryPolicy.NO_CACHE);
    }
    switch (mScaleType) {
        case Fit:
            mreq.fit();
            break;
        case CenterCrop:
            mreq.fit().centerCrop();
            break;
        case CenterInside:
            mreq.fit().centerInside();
            break;
    }

    mreq.into(targetImageView, new Callback() {
        @Override
        public void onSuccess() {
            //  if (v.findViewById(R.id.ns_loading_progress) != null) {
            //    hideoutView(v.findViewById(R.id.ns_loading_progress));
            //  }

            if (mLongClickSaveImage && fmg != null) {
                targetImageView.setOnLongClickListener(new View.OnLongClickListener() {
                    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
                    @Override
                    public boolean onLongClick(View v) {
                        prepare_request_save_image = mreq;
                        final saveImageDialog saveImageDial = new saveImageDialog();
                        saveImageDial.show(fmg.get(), "DESC_SAVE_IM");
                        return false;
                    }
                });
            }
        }

        @Override
        public void onError() {
            //if (mLoadListener != null) {
            //     mLoadListener.onEnd(false, me);
            // }
        }
    });

}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
protected void bindCompatPicasso(String mURI, final MiniSliderFrame Fr) {

        final Picasso p = Picasso.with(mContext);
        final RequestCreator mreq = p.load(mURI);
        if (getEmpty() != 0) {
            mreq.placeholder(getEmpty());
        }
        if (getError() != 0) {
            mreq.error(getError());
        }
        if (mImageLocalStorageEnable) {
            mreq.memoryPolicy(MemoryPolicy.NO_STORE, MemoryPolicy.NO_CACHE);
        }
        switch (mScaleType) {
            case Fit:
                mreq.fit();
                break;
            case CenterCrop:
                mreq.fit().centerCrop();
                break;
            case CenterInside:
                mreq.fit().centerInside();
                break;
        }


        mreq.into(Fr.getImageTarget(), new Callback() {
            @Override
            public void onSuccess() {
                hideoutView(Fr.getLoadingBar());
                if (mLongClickSaveImage && fmg != null) {
                    Fr.getTouch().setOnLongClickListener(new View.OnLongClickListener() {
                        @TargetApi(Build.VERSION_CODES.HONEYCOMB)
                        @Override
                        public boolean onLongClick(View v) {
                            prepare_request_save_image = mreq;
                            final saveImageDialog saveImageDial = new saveImageDialog();
                            saveImageDial.show(fmg.get(), "DESC_SAVE_IM");
                            return false;
                        }
                    });
                }
            }

            @Override
            public void onError() {
                //if (mLoadListener != null) {
                //     mLoadListener.onEnd(false, me);
                // }
            }
        });
    }
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
@UiThread
protected final void triggerUpdate() {
    // short-circuit if we are in edit mode within a development tool
    if (mView.isInEditMode()) {
        return;
    }

    // if we are batching updates, track that we need an update, but don't trigger the update now
    if (mBatching > 0) {
        mNeedsUpdate = true;
        return;
    }

    // if we are currently in a layout pass, track that we need an update once layout is complete
    if (ViewCompat.isInLayout(mView) ||
            // attempt to detect if we are currently being laid out for older versions of android
            (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR2 && mView.isLayoutRequested())) {
        mNeedsUpdate = true;
        return;
    }

    // create base request
    final RequestCreator update = onCreateUpdate(Picasso.with(mView.getContext()));

    // set placeholder & any transform options
    if (mPlaceholderResId != INVALID_DRAWABLE_RES) {
        update.placeholder(mPlaceholderResId);
    } else {
        update.placeholder(mPlaceholder);
    }

    if (mSize.width > 0 || mSize.height > 0) {
        onSetUpdateScale(update, mSize);
    }

    update.transform(mTransforms);

    // fetch or load based on the target size
    if (mSize.width > 0 || mSize.height > 0) {
        update.into(mView);
    } else {
        update.fetch();
    }

    // clear the needs update flag
    mNeedsUpdate = false;
}
 

import com.squareup.picasso.RequestCreator; //导入方法依赖的package包/类
protected void loadByPicasso(final View v, ImageView targetImageView) {
    final BaseSliderView me = this;
    Picasso p = Picasso.with(mContext);
    RequestCreator rq;
    if (mUrl != null) {
        rq = p.load(mUrl);
    } else if (mFile != null) {
        rq = p.load(mFile);
    } else if (mRes != 0) {
        rq = p.load(mRes);
    } else {
        return;
    }

    if (rq == null) {
        return;
    }
    if (getImageResForEmpty() != 0) {
        rq.placeholder(getImageResForEmpty());
    }
    if (getImageResForError() != 0) {
        rq.error(getImageResForError());
    }

    switch (mScaleType) {
        case Fit:
            rq.fit();
            break;
        case CenterCrop:
            rq.fit().centerCrop();
            break;
        case CenterInside:
            rq.fit().centerInside();
            break;
    }

    rq.into(targetImageView, new Callback() {
        @Override
        public void onSuccess() {
            if (v.findViewById(R.id.loading_bar) != null) {
                v.findViewById(R.id.loading_bar).setVisibility(View.INVISIBLE);
            }
            if (mBitmapLoadListener != null) {
                mBitmapLoadListener.onLoadComplete(me);
            }
        }

        @Override
        public void onError() {
            if (mBitmapLoadListener != null) {
                mBitmapLoadListener.onLoadFail(me);
            }
        }
    });
}