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I have just started trying to use the new Java Date Time API but when I went to import the classes like below,I get cannot resolve symbol.

import java.time.LocalDate;

After a little bit of checking it I found that I need to enable java 8 (See below link).

https://developer.android.com/guide/platform/j8-jack.html

I assume this link is still relevant, info gets out of date very quickly. I am using a AS 2.1.3 and JDK 1.8 both installed yesterday (Not sure if that tells you anything).

I just want to make sure that if I go through the process of doing this, will it affect older model devices (In this case I will use Joda Time) or i1s the Java version totally irrelevant to the device.

Thanks

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    Yes, you'll only be able to use devices with Android N. Commented Sep 14, 2016 at 1:20
  • @chrylis Awesome thanks for that. I will stick with Joda time then. Appreciate the help Commented Sep 14, 2016 at 1:22
  • @chrylis Are you sure? That link in the question lists some of the features work on sdk 23 and lower. I think the Jack toolchain allows Java 8 to be used in any version Commented Sep 14, 2016 at 3:27
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    @cricket_007 He asked about the DateTime API specifically, which is a library issue, not a bytecode issue. Commented Sep 14, 2016 at 3:36

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Back-ports

Much of the java.time functionality built into Java is back-ported to Java 6 & 7 in the ThreeTen-Backport project.

ThreeTenABP

Further adapted to Android in the ThreeTenABP project. See: How to use ThreeTenABP in Android project.

The Joda-Time project is in maintenance mode. The team advises migration to the java.time classes.

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