io.rong.imkit.picture.widget.longimage

Interface ImageDecoder

All Known Implementing Classes:

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.

Method Summary

Modifier and Type	Method and Description
android.graphics.Bitmap	decode(android.content.Context context, android.net.Uri uri) Decode an image.

Method Detail

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

Parameters:

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

uri - URI of the image.

Returns:

Dimensions of the image.

Throws:

java.lang.Exception - if initialisation fails.