Version 3.1.0 pre-release

Pre-Release Disclaimer

This is a pre-release, which means it's not fully tested. However, many bugs have still been fixed and I highly recommend that you update anyway to get those latest changes. Please open an issue if you are still running into issues with this release so they can be patched up for the final 3.1 release!

About

This mostly includes bug fixes, but with a few notable differences. The biggest change is bumping MPAndroidChart's minSdkVersion to 14. If you have a lower version, you should stop supporting it and go up to 14 as well.

Please see the current distribution usages, as less than 1% of Android devices are running versions 15 and lower now.

Breaking Changes

• minSdkVersion has been bumped to 14, read the above.
• Easing class has been simplified, old methods of getting easing functions are DEPRECATED (35c9fc9)
• Chart.saveToGallery(name, quality) now saves as a PNG instead of JPG (d67ea48)

Additions

• Upgraded project to androidX, maven upgraded to 2.1, gradle upgraded to 4.6, android gradle to 3.2.1, android build tools to 28.0.3
• Example project has been refreshed (d67ea48, 5030b36)
• Grid lines can be drawn behind or infront of data (c97b8d5)
• Can use pie slice color for value line color (1e6e58d)
• BarChart supports gradient colored bars (e4ba3cd)

Fixes

• Zoom animations fixed (6c54f0b)
• Many rendering bugs fixed (43ae497, aee6058, 92c14db, 8943622)
• Copying data sets fixed (7abc9cd)