Scale Image View Demo

ThisisademoofSubsamplingScaleImageView,afreeAndroidlibraryforthedisplayoflargeimages,withgesturedetectionforzoomandpan.Thisdemoshowsmostofthefeaturesavailable.

Thiscustomviewcanbeusedtodisplayimagesinagallery,orforviewinglargeimagessuchasbuildingplans.It'seasilyextendibletoaddoverlaidgraphicsalignedwiththeimage,forexamplemarkerpinsorcustomshapes.

Theproject,includingthesourceofthisapp,ishostedonGitHubathttps://github.com/davemorrissey/subsampling-scale-image-view

Imagedisplay
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*Displayhugeimages,largerthancanbeloadedintomemory
*Showhighresolutiondetailonzoomingin
*Testedupto20,000x13,000px,thoughlargerimagesareslower
*Displayimagesfromassetsorthefilesystem
*Automaticallyrotateimagesfromthefilesystem(e.g.thecameraorgallery)accordingtoEXIF
*Manuallyrotateimagesin90°increments
*Swapimagesatruntime

Gesturedetection
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*Onefingerpan
*Twofingerpinchtozoom
*Panwhilezooming
*Seamlessswitchbetweenpanandzoom
*Flingmomentumafterpanning
*Doubletaptozoominandout
*Optionstodisablepanand/orzoomgestures

Animation
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*Publicmethodsforanimatingthescaleandcenter
*Customisabledurationandeasing
*Optionaluninterruptibleanimations

Easyintegration
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*UsewithinaViewPagertocreateaphotogallery
*Easilyrestorescale,centerandorientationafterscreenrotation
*Canbeextendedtoaddoverlaygraphicsthatmoveandscalewiththeimage
*Handlesviewresizingandwrap_contentlayout