io.rong.imkit.picture.widget.longimage

接口 ImageDecoder

所有已知实现类:

SkiaImageDecoder

public interface ImageDecoder

Interface for image decoding classes, allowing the default BitmapRegionDecoder based on the Skia library to be replaced with a custom class.

方法概要

限定符和类型	方法和说明
android.graphics.Bitmap	decode(android.content.Context context, android.net.Uri uri) Decode an image.

方法详细资料

decode

android.graphics.Bitmap decode(android.content.Context context,
                               android.net.Uri uri)
                        throws java.lang.Exception

Decode an image. When possible, initial setup work once in this method. This method must return the dimensions of the image. The URI can be in one of the following formats: File: file:///scard/picture.jpg Asset: file:///android_asset/picture.png Resource: android.resource://com.example.app/drawable/picture

参数:

context - Application context. A reference may be held, but must be cleared on recycle.

uri - URI of the image.

返回:

Dimensions of the image.

抛出:

java.lang.Exception - if initialisation fails.