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HDImageView

(★ 120)

一个加载高清大图支持缩放的控件

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# Installation Guide

1. Get the code

git clone https://github.com/EvilBT/HDImageView

Downloads the entire project code from GitHub to your computer.

cd HDImageView

Moves into the project folder you just downloaded.

2. Gradle (Java/Kotlin)

Medium Recommended

Prerequisites

Git Needed to download the project code from GitHub.
JDK (Java) Required to build and run Java/Kotlin projects.
Gradle If the repo includes gradlew (Gradle Wrapper), you don't need to install Gradle separately.

cd app

This project's files live in a subfolder, so move into it first.

./gradlew build

Builds the project using Gradle.

✅ A BUILD SUCCESSFUL message means it worked. The output is created under build/.

// repository documentation

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# HDImageView
[![License](https://img.shields.io/badge/license-Apache%202-green.svg)](https://www.apache.org/licenses/LICENSE-2.0)
[ ![Download](https://api.bintray.com/packages/sherlock/maven/hdimageview/images/download.svg) ](https://bintray.com/sherlock/maven/hdimageview/_latestVersion)

HD image view supporting pan and zoom, with very little memory usage and full featured image loading choices.

Requires Android SDK version 14 or higher.
## Demo
![Demo](https://raw.githubusercontent.com/EvilBT/HDImageView/master/gif/demo.gif)
## Getting started
**Step 1.** Add the dependency
```
dependencies {
    implementation 'xyz.zpayh:hdimageview:3.0.1'

// 以下可以选用

// if you use Glide 4.x , you can compile :(如果你正在使用Glide 4.0或以上的版本，你可以添加下面的库)
    implementation 'xyz.zpayh:hdimageview-glide:3.0.0'
    implementation 'com.github.bumptech.glide:glide:4.9.0'

// if you use Fresco 1.4.x , you can compile :(如果你正在使用Fresco 2.0.0或以上的版本，你可以添加下面的库)
    implementation 'com.facebook.fresco:fresco:2.0.0'
    
    implementation 'xyz.zpayh:hdimageview-fresco:3.0.0'
}
```
**Step 2.** Add the view to your layout XML
``` xml
<xyz.zpayh.hdimage.HDImageView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/image"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>
```
**Step 3.** Set URI to HDImageView
``` java
    //...
    HDImageView mImageView = (HDImageView) findViewById(R.id.image);

mImageView.setImageURI("res:///"+R.drawable.panorama);
    // Or 
    ImageSource imageSource = ImageSourceBuilder.newBuilder()
                .setUri(R.drawable.panorama)
                .build();
    mImageView.setImageSource(imageSource);
```
## Supported URIs

HDImageView supports images in a variety of locations.

HDImageView does **not** accept relative URIs. All URIs must be absolute and must include the scheme.

These are the URI schemes accepted:

| TYPE           | SCHEME                   | FETCH METHOD USED         |
|----------------|--------------------------|---------------------------|
|File on network | http://, https://        | HttpURLConnection         |
|File on device  | file://                  | FileInputStream           |
|Content provider| content://               | ContentResolver           |
|Asset in app    | asset:///                | AsseManager               |
|Resource in app | res:// as in res:///12345| Resources.openRawResource |

Like this:
``` java
mHDImageView.setImageURI("res:///"+R.drawable.panorama);
mHDImageView.setImageURI("asset://beauty.jpg");
mHDImageView.setImageURI("file:///sdcard/DCIM/IMG_001.JPG");
mHDImageView.setImageURI("http://7xi8d6.com1.z0.glb.clouddn.com/2017-04-16-17934400_1738549946443321_2924146161843437568_n.jpg");
//....
```
In the use of the process, please remember to add the appropriate permissions
## About
Powered by [Subsampling Scale Image View](https://github.com/davemorrissey/subsampling-scale-image-view)

Copyright 2016 David Morrissey, and licensed under the Apache License, Version 2.0. No attribution is necessary but it's very much appreciated. Star this project if you like it!