Java tutorial
/* * The MIT License (MIT) * <p/> * Copyright (c) 2016. Vit@r * <p/> * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * <p/> * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * <p/> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.imageview.picasso; import android.content.Context; import android.content.res.TypedArray; import android.graphics.drawable.Drawable; import android.support.annotation.DrawableRes; import android.support.annotation.Nullable; import android.support.v4.content.ContextCompat; import android.util.AttributeSet; import com.squareup.picasso.Picasso; /** * Image view implementation with switchable modes * {@link Mode#NORMAL} or {@link Mode#CIRCLE} * with inherited picasso implementation */ public class ImageView extends com.imageview.ImageView { private long mErrorResource; private Drawable mErrorDrawable; private Picasso mManager; public ImageView(Context context) { this(context, null); } public ImageView(Context context, AttributeSet attrs) { this(context, attrs, R.attr.imageViewStyle); } public ImageView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ImageView, defStyleAttr, 0); Drawable errorDrawable = a.getDrawable(R.styleable.ImageView_error); setErrorDrawable(errorDrawable != null ? errorDrawable : getDrawable()); a.recycle(); if (!isInEditMode()) { mManager = Picasso.with(context); } } public void setImageURL(String url) { mManager.load(url).error(mErrorDrawable).into(this); } public void setErrorDrawable(@DrawableRes int resId) { if (resId != mErrorResource) { mErrorResource = resId; setErrorDrawable(ContextCompat.getDrawable(getContext(), resId)); } } public void setErrorDrawable(@Nullable Drawable drawable) { if (drawable != mErrorDrawable) { mErrorDrawable = drawable; } } }