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Android photo crop library how to#

Although, designing with safe zones in mind will get you a Facebook cover photo that will display properly on both devices.įortunately, Facebook doesn’t stretch and distort an image to fit a certain dimension it crops it automatically instead. When designing your Facebook cover photo, you need to be careful because the cover image is displayed differently on mobile and desktop. Therefore, we recommend using the dimensions 820px by 360px and to keep all text and graphics in the middle safe zone as per the specifications below: Cover Photos on Desktop vs. It’s tricky because your Facebook cover displays differently on mobile and desktop devices. This is a great starting point, but of course it’s never quite that simple. It will look perfect on mobile and desktop! Create a Facebook cover photo for free! Facebook Cover Photo DimensionsĪccording to Facebook, your cover photo displays at 820 pixels wide by 312 pixels tall on computers and 640 pixels wide by 360 pixels tall on smartphones. * Will return the correct URI for camera and gallery image.Bonus: We’ve integrated Facebook’s cover photo dimensions and safe zones into our graphic design tool. Public class MainActivity extends ActionBarActivity. The image will be sampled to the requested size.Īdd write external storage permissions to the manifest as some sources (DropBox, OneDrive, Etc.) use external storage to return the image resulting in “java.io.FileNotFoundException … open failed: EACCES (Permission denied)”.Will use BitmapRegionDecoder to load only the cropped region.Retrieve the cropped image using getCroppedImage(500, 500).When the user finishes with cropping he/she will click on "crop" button.The image will be sampled to the size of the device screen with lower density.The image will be loaded using ContentResolver.Set the image into CropImageView using setImageUriAsync(Uri uri).For gallery source use Intent.getData().For camera source use the predefined URI from getCaptureImageOutputUri().On activity result retrieve the picked image URI by getPickImageResultUri() Use predefined URI from getCaptureImageOutputUri() for camera source.Create Intent using getPickImageChooserIntent() that will allow to choose camera or gallery sources.

Android photo crop library how to#

When cropped image is requested it will again use sampling of the original image to create bitmap of the required size without loading the full image or lowering the quality of the cropped image.Ĭheck out the Gists or see the code below on how to create image source chooser Intent and use Android Image Cropper library to crop the picked image.

Use sampling and lower density to conserve memory usage.

Automatically rotate the image by exif data.

Same code can be used for camera and gallery source.

Picked image can be large and cause memory issues if loaded in full resolution.Īfter trying cropper library, I decide to fork it, add circular crop support option inspired by another fork, fix some of the reported bugs and most importantly add support for loading image from Android URI that received from camera or gallery activity result.

Android crop activity is limited, unreliable and is internal API.

Creating single chooser intent for camera and gallery is not so trivial.Limit output avatar image to 500×500 pixels.

Select circular crop window in the image for the avatar.Pick image from camera or gallery using single chooser.See also the followup post: Android Image Cropper async support and custom progress UI. Recently I needed to implement avatar image upload from an Android app, I didn't found a library that did all that I needed so I forked a pretty good one and made it better, check it out: Android Image Cropper.