ImagePreviewHelper

图片视频下滑拖拽关闭，图片视频进入退出关闭动画，图片浏览器

Name		Name	Last commit message	Last commit date
Latest commit History 14 Commits
.idea		.idea
app		app
gradle/wrapper		gradle/wrapper
image-preview		image-preview
.gitignore		.gitignore
README.md		README.md
build.gradle		build.gradle
gradle.properties		gradle.properties
gradlew		gradlew
gradlew.bat		gradlew.bat
settings.gradle		settings.gradle

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