parent
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package com.example.stlink.configs;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.drawable.Drawable;
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import android.widget.ImageView;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.bumptech.glide.Glide;
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import com.bumptech.glide.load.resource.bitmap.CenterCrop;
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import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
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import com.bumptech.glide.request.target.CustomTarget;
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import com.bumptech.glide.request.transition.Transition;
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import com.example.stlink.R;
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import com.luck.picture.lib.engine.ImageEngine;
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import com.luck.picture.lib.interfaces.OnCallbackListener;
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import com.luck.picture.lib.utils.ActivityCompatHelper;
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/**
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* @author luck
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* @date 2019-11-13 17:02
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* @describe Glide加载引擎
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*/
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public class GlideEngine implements ImageEngine {
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/**
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* 加载图片
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*
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* @param context 上下文
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* @param url 资源url
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* @param imageView 图片承载控件
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*/
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@Override
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public void loadImage(@NonNull Context context, @NonNull String url, @NonNull ImageView imageView) {
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if (!ActivityCompatHelper.assertValidRequest(context)) {
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return;
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}
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Glide.with(context)
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.load(url)
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.into(imageView);
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}
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/**
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* 加载指定url并返回bitmap
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*
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* @param context 上下文
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* @param url 资源url
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* @param maxWidth 资源最大加载尺寸
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* @param maxHeight 资源最大加载尺寸
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* @param call 回调接口
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*/
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@Override
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public void loadImageBitmap(@NonNull Context context, @NonNull String url, int maxWidth, int maxHeight, OnCallbackListener<Bitmap> call) {
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if (!ActivityCompatHelper.assertValidRequest(context)) {
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return;
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}
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Glide.with(context)
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.asBitmap()
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.override(maxWidth, maxHeight)
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.load(url)
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.into(new CustomTarget<Bitmap>() {
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@Override
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public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
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if (call != null) {
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call.onCall(resource);
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}
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}
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@Override
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public void onLoadFailed(@Nullable Drawable errorDrawable) {
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if (call != null) {
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call.onCall(null);
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}
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}
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@Override
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public void onLoadCleared(@Nullable Drawable placeholder) {
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}
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});
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}
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/**
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* 加载相册目录封面
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*
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* @param context 上下文
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* @param url 图片路径
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* @param imageView 承载图片ImageView
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*/
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@Override
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public void loadAlbumCover(@NonNull Context context, @NonNull String url, @NonNull ImageView imageView) {
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if (!ActivityCompatHelper.assertValidRequest(context)) {
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return;
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}
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Glide.with(context)
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.asBitmap()
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.load(url)
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.override(180, 180)
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.sizeMultiplier(0.5f)
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.transform(new CenterCrop(), new RoundedCorners(8))
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.placeholder(R.drawable.ps_image_placeholder)
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.into(imageView);
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}
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/**
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* 加载图片列表图片
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*
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* @param context 上下文
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* @param url 图片路径
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* @param imageView 承载图片ImageView
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*/
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@Override
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public void loadGridImage(@NonNull Context context, @NonNull String url, @NonNull ImageView imageView) {
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if (!ActivityCompatHelper.assertValidRequest(context)) {
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return;
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}
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Glide.with(context)
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.load(url)
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.override(200, 200)
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.centerCrop()
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.placeholder(R.drawable.ps_image_placeholder)
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.into(imageView);
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}
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@Override
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public void pauseRequests(Context context) {
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Glide.with(context).pauseRequests();
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}
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@Override
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public void resumeRequests(Context context) {
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Glide.with(context).resumeRequests();
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}
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private GlideEngine() {
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}
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private static GlideEngine instance;
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public static GlideEngine createGlideEngine() {
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if (null == instance) {
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synchronized (GlideEngine.class) {
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if (null == instance) {
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instance = new GlideEngine();
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}
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}
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}
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return instance;
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}
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}
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@ -0,0 +1,16 @@
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<?xml version="1.0" encoding="utf-8"?>
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<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
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<item>
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<shape>
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<size
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android:width="100dp"
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android:height="100dp" />
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<solid android:color="@color/ps_color_light_grey" />
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</shape>
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</item>
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<item>
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<bitmap
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android:gravity="center"
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android:src="@drawable/ps_ic_placeholder" />
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</item>
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</layer-list>
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