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All right, so let's get started billing this little quiz application.

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Therefore, I'm going to create a new project with an empty activity here.

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I'm going to call this one my quiz app and everything else can stay the same.

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And the default settings are fine here.

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The first thing that you might recognize or realize is that we don't have an action bar here at the

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top.

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And I want to get rid of that straight from the start.

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Therefore, we can go to our manifest here and Route Manifest XML file.

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And in this file you do the setup for the different activities that you have.

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You define which activity is going to be the starting activity when you open up the app, which activity

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should be displayed.

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In our case, we only have one activity, but we're going to see how to have multiple activities.

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And then you can also define what style you want to have, for example.

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So you see here on the application, there is a theme defined already, and it created a theme called

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My Quest app.

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But I want to instead use material components that day night that no action bar.

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So what that will do is it will make sure that we don't have an action bar in our application.

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Let's try this out because usually what you would see is a big action bar here at the top.

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And now we see we don't have an action bar.

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So if we were to go back in these settings here and run it again, you would see what this action bar

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actually looks like.

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So here this marqués app, I want to get rid of that.

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Which is why I have the major components, they need no action bar style from the themes.

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So this is the theme that I'm setting up and it is inside of my themes folder here.

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And there is this accent L and XML might in there.

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These styles are defined.

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So here, for example, this theme My Quest Ever had something set up with dark action bar.

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So instead of setting it up directly here where I said no action bar, I could have left it with a theme

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that we had there.

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So the one that we had for our application name and that was, I believe, my quiz app and I could have

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also just said that we want to have no action bar here.

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OK, so these are the two ways that this will probably be the better one, because now you can define

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all of your style settings inside of your style file, which means the theme file where you have this

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style setting.

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OK, so let's run it again just to see if this actually worked.

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You could see we have no action bar.

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So we looked at how we can change that directly in the manifest.

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But then we saw how we can do it in the Styles file, which is better practice.

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Now, the next thing that I would like to set up is that my application cannot rotate, so the screen

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orientation should always stay in portrait mode.

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Therefore, under the activity settings, so these are my activity settings for the main activity.

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I will add a setting here called orientation, so screen orientation.

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You can just enter Orient and you will find the screen orientation setting.

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And here you can select from different settings.

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You can see there are plenty.

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And the one that I want to use is going to be portrait because I want to make sure that the only portrait

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is going to be accepted as the screen orientation for my application.

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So now, even if I rotate the phone, it will always have this portrait mode.

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OK, so this was the first set up for this application in the next video, we're going to set up the

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are using car to you and we're going to see how we can disable the status bar at the top.

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So see you there.