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Welcome back.

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In this video we'll test the reports in different locales

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to make sure the dates appear as we'd expect.

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When I run the app and view the reports, the dates are in American format;

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month, then day, then year.

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That's because the default locale for the emulators

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is US, the United States.

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I'm in Australia, so let's see what happens when I tell my phone

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the correct locale.

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Note that locale isn't the same as location.

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I happen to be in Australia and I'm also Australian.

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If I travel to America, I don't want all my date formats to change

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just because I've changed location.

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My locale is still Australia even when my location changes.

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The locale determines things like date and number formats

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and also the language that the phone will use.

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We'll see that in a moment.

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Okay.

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I'll keep the app running and use the home button to return to the home screen.

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Then we'll go into settings.

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You can change locale from settings. Normally

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under an option called languages,

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which is in system.

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On an android pie emulator,

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you go to languages and input and then languages.

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At the moment, there's only one language in there,

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the default of the United States.

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I'll add a new language,

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I'll choose English

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then Australia.

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The default language is still United States.

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The phone uses language 1 for its locale,

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and all we've done is make swapping languages easier.

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While the display is still in English, I'll add a couple of other languages.

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I want at least one European language,

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mainly because they use different number formats.

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Note that languages appear in their own language.

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If I want German, that's Deutsch which is German for German.

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From there, I'll choose Deutschland which is German for Germany.

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Okay. I'll add another. This time, I'll choose a language

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that uses a different character set.

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They sort at the end of the list.

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Scrolling right through the list the very last one is easy to find.

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That has a few variants,

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so I'll choose the first one and add it to the list of languages.

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To make a different language the default, drag it to position one.

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I'll start by dragging English Australia to the top of the list.

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Before I go back to the task timer app,

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I'll make sure the logcat is visible and I'll also clear it.

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I'll use the multitasking button to get back to our app. It's still running, remember?

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We just switched away from it.

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The display is updated automatically.

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Changing the language counts as a configuration change

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and the activity gets destroyed and recreated.

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We can see that happening in the logcat.

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All right. That looks good

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we've now got the date in day, month and year format.

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Again, I'll use the multitasking button to switch back to the settings.

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We're still at the language preferences screen,

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which is why I'm swapping back and forth this way.

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When I change the language to using a completely different character set,

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I don't have to worry about getting back here.

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All right. I'll drag Deutsch to the top of the list

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and switch back to the tasktimer app.

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We've now got two digits for the days and the month

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and a period used as a separator.

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Because we took a bit of extra care

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and specified the default locale in our code,

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the app looks right in different languages.

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All right. I've left the one that uses a different character set till last.

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It uses a completely different character set.

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And if I get lost trying to change the emulator back to English,

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I can just delete the emulator and start again.

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If you're using a real phone and don't understand the language,

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then be really careful with this next step.

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Switch back to settings, and drag number 4 to the top of the list.

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Notice how the language preferences heading

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is now written using a different character set.

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If you close settings at this point, you could struggle to get back here.

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This applies to any language that you don't understand,

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although ones that use an unfamiliar character set are even harder to navigate.

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For that reason, make sure you don't go back from this screen.

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I'm in language preferences,

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and I'm not going to use the up or back buttons to move back in settings.

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If I did do so, getting back here is going to be tricky.

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Use the multitasking button to switch to the tasktimer.

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The date format is now year, month, day.

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That's quite sensible. Dates look much better that way when they're sorted.

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We haven't provided translations in whatever language that is,

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but at least we're displaying the dates in a format that the user will be used to.

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Remember to change your emulator back to a language that you can read

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before moving to the next video.

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I'm going to add English UK and make that the default

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by dragging it to the top of the list.

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There's a reason I've chosen English United Kingdom.

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The English part is obvious. It's a language I understand.

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The reason I've gone for UK is because that format states differently

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to the Australian locale.

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In the next video,

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we'll start to create the ViewModel for our reports.