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Hi everybody in this theater all we're going to go ahead and create another Android application.



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So just click on this.



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Start in your Android studio project and here for the application name just a pin here app 44 and then



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click on next here.



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You can actually choose the minimum SDK for your application.



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So here just use the API 16 Android 4.1 jellybean as you can see here and then click on next and here



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you can actually choose Blancher activity or you can actually choose the empty activity.



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Shape this time choose this activity here empty activity and then click next and now click on finish.



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So as you can see here now our application is actually created.



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So let's actually double click on these arrays folder here and then double click and this layout folder.



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And as you can see here this time we have only one example file and the name of this file is activity.



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Underline that example.



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OK.



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So here selectees hello world takes you here.



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And then press on delete key on your keyboard.



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So now you want to actually design the user interface of our application.



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So first of all let's actually drag our linearly out vertical at the center of this relatively out here.



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And as you can see here we have a linearly out vertical inside these relatively out here.



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OK so now let's actually drag a plaintext here inside these textfield.



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Here we have some text fields.



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So just select is plain text.



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This is actually an edit text.



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Select it and put it at the center at the center of this linearly alphabetical.



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OK.



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So as you can see here these attributes are related to these text here.



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They lay out with as much apparent and delay out height is raw content and lay out gravity's center



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underline horizontal.



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As you can see here.



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OK this is very important.



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So now let's actually double click on these are the text here.



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Double click on it and for the ID just type in here it is the name and then press on Enter key on your



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keyboard.



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So let's actually try and order textfield inside this linearly as vertical.



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So just select the plain text here and then put it at the center of this linearly at vertical.



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OK.



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And double click on it.



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And this time for the ID just type in here EDT email and then press on Enter key on your keyboard.



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So now inside the properties that are actually related only to the EDT e-mail here you can actually



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find the input type.



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OK.



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So let's actually find the input type attribute that is related to this actually to this edit text here.



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So as you can see here this is in pool type.



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Just open it here.



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And as you can see here we can actually specify the type of the input that this text actually accepts.



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OK.



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So just select these text email address.



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OK.



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EDT email.



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And for the info type.



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Select this text email address and then check this checkbox.



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OK so now let's actually right and are there any text into this linearly or vertical.



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So just select it here and then put it at the center of this linearly at vertical and then at this time



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double click on it and of for the ID just type in here EDT username.



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OK.



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And then present Enter key on your keyboard.



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And now let's actually drag another text into this linearly or vertical.



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So just select this one here and put it at the center of this linearly as a vertical WB it and for the



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ID you just type in here EDT a password.



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And then our present Enter key on your keyboard.



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So now for the info type of this edit text here just typing in as you can see here we have some attributes



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that are related to this.



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It is e-passport.



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So for the input type select text password as you can see here we have these text passport attributes



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here.



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Just select it and check the checkbox here.



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OK.



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So here you are actually specifying the input type that this text actually accepts.



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Ok text passport.



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Now this actually gives some hints to these these actually are text fields.



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Select this one.



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Here it is the name.



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And now let's actually find the hint attributes.



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So as you can see here we have actually a Heyns attribute that is related to this text field here.



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So here for the hint of these added text here.



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Just type in here please enter your name and then press an entity on your keyboard.



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So as here we have actually a hint that is related to these edits here.



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Please enter your username.



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Just select a second.



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Text here and this time for the hint.



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Just type in here please enter your password OK and then present Enter key on your keyboard and this



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time select this editor edit text here.



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And for the Heyns just typing here please



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enter your username and then press Enter key on your keyboard and then select this text here for the



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hint just type in here please.



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Enter your password and then press on and Turkey on your keyboard.



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OK.



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So hopefully that makes sense.



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So now let's actually track an image into our project.



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OK.



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So here is our project structure here and now I want to actually drag an image into our projects on



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my desktop.



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I have this image so I just need to copy this image here.



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I just need to double click on it and then select this copy tiger that PND and then here select is adorable



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for that as you can see double click on it and here paste this image here and then click on OK.



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So as you can see here now I have an image in my project inside this tribal folder.



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So now let's actually write an image view into this linearly or horizontally.



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So as you can see here this is our image view inside these widgets folder selected and then put it at



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the center of this linearly out vertical.



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So as you can see here this is an image view.



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And now for the layout video let's actually assign the value one hundred and for the layout height assigned



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a value 100 and then press on in Turkey on your keyboard.



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So now it's actually double click on this image view here.



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And first of all for the ID just type in here I m g animal and then press on Enter key on your keyboard.



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And now let's actually select this as our See here just select this button here and select this project



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tab here and then it's actually searched for our image.



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Now I just need to type in Tiger.



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So as you can see here this is our tiger here.



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And then click on OK.



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So here as you can see this is our target image.



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So now of here inside the properties that are related to this image view.



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Now let's actually find this cage type here.



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So as you can see here we have these scale type here and selectees fit x y.



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OK.



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So it's going to fit this image up according to the it according to the x and y of this image.



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OK.



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And now let's actually let's try actually our radio group into this linearly out.



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Well.



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So as you can see here inside these containers folder I have this radio group here just select this



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radio group here and put it below.



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These are images you hear.



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OK.



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Just put it at the left of this image in the left of this linearly outwards the collocate this time.



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Put it in the left OK at the left of this linear lay out vertical.



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So as you can see here I have these radio here and now let's actually drag two radio buttons into these



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radio group here.



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So as you can see here inside these widgets folder I have these are radio groups.



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Just select it and put it inside this radio group here inside these componentry section.



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So as you can see here I have this radio call up here.



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Let's actually try another radio button into this radio group here and here as you can see I have two



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radio buttons these are radio group here.



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So just select the first radio button and then double click on it and for the text just typing here



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made and for the ID just type in here our radio radio made and then press on until key on your keyboard



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and then lets actually select the second radio button here for the text just typing here female.



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And then for the ID just type in here radio female.



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And then our person entelechy on your keyboard.



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So now let's actually drag about him into this linearly out vertical.



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So as you can see here I have this button inside these widgets folder and select it just put it inside



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at the center of this linearly out vertical as you can see here.



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So as you can see here this is our button here.



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And for the text just typing here at the values at the values and for the idea just type in here between



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that and then press on Enter key on your keyboard.



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So now as you can see here the design of our user interface is actually finished.



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So now let's actually go inside our main activity the java file here and now we can actually put in



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our own codes here.



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OK.



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Now inside the main activity class I'm going to actually pasting some lines of code here and then I'm



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going to explain to you what's going on here.



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So as you can see here these are the lines of code that I actually pasted here.



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First of all I actually declared an object of type takes text and its name is it is the name again.



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I have another object of type in the text.



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It is email it it's username and password.



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OK.



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And here I have an image for you.



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OK.



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So here I actually declared an object of type image.



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And its name is IMJ animal.



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And here I have an object of type radio group as you can see here and its name is radio group bta.



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And as you can see here gender's types are here I actually declarers actually created an object of type



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strange and its name is gender type.



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OK.



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And I assigned an empty value to this object located this variable and here as you can see I have a



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constant of type integer.



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OK.



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And its name is image request code and I assigned the value of 1000 to this of value.



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So I'll talk more about this valuable later.



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But for now I'll just put this value here put this a constant here inside your main activity class and



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here as you can see I have another object and other valuable of type 3 and its name is photo path.



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OK the path of the photo and I assigned antibodies to these valuable and here as you can see I actually



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declared an object of type map and its name is bitmap.



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OK.



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So here inside is uncreate Meffert.



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I'm going to actually instantiate these objects that I actually declared inside these main activity



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class.



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So here inside this uncreate class I'm going to pasting some lines of code and then I'm going to explain



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to you what's going on here.



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So as you can see here these are the lines of code that I actually pasted inside this uncreate Smurfette



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in our main activity class.



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So first of all I actually instantiated this EDT named Eddie takes it it you name it it takes it find



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you by ID or that Id that it is you name it its e-mail.



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And here as you can see our ID does it it team it to username or thought Id dot it its user name it



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if he has spurred our thought id that it is the password.



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I am animal Artaud ID that I am the animal.



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And here as you can see I actually instantiated this radio group object radio group or that ID that



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radio group.



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So as you can see here there is an error here and you haven't specified an ID for this radio group object.



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So let's actually go back to our activity underline mean I mean that exemplified.



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And this actually selectees a radio group here inside our componentry section here.



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And now let's actually find the attributes that is related to this radio group here.



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So just select these attribute as you can see we have an id attribute related to this radio group and



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for the ID just type in here the radio group and then press enter key on your keyboard.



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So now let's actually go back to our main activity class and now as you can see this java file is now



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recognizing this radio group ID.



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OK Art that ID that radio group and here we have.



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At our thoughts ideas bitti and at and here as you can see in line 45 I am making disport spot in dispute



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here.



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And as you can see here this is our PTEN at.



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Ok I am making this part and I'll listen to the clicks of the user.



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So BT aren't at that set on ticketless and our main activity at this.



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OK.



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And here as you can see I have a radio group that's set up change our listener so here as you can see



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inside our activity underline minute example I want to actually make these radio buttons a listener



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or two that actually clicks of the user.



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So whenever the use of checks or uncheck these are actually these radio buttons.



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OK.



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It's going to actually listen to those touches and then it's going to respond accordingly with whether



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it is actually checked or unchecked.



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So as you can see here for that purpose of any to actually make this radio group and unchecked change



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listener so as you can see here it is an error here and here as you can see I am not on any animal that



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sits on click listener.



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So again I am making this image.



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This is your animal here.



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A listener to the clicks of the user.



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OK.



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And here I am instantiating this bitmap object so bitmap assignment operator bitmap factory to decode



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the resource.



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And for the first argument you need to specify the resources of our application get resources.



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And here we need to specify that the image inside our resources are thought tribal thought Tiger image



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as you can see here and here I am making.



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I am actually setting this image up for this image view.



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I am I am the animal that set image bitmap bitmap.



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OK so now as you can see we have an error here.



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We have three errors.



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First of all we set that up.



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We want to make the SBT an add button or listeners to the clicks of the user and we assigned this context.



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As you can see here as an argument to dismiss that said unclick listener but here in our class we need



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to actually implement the unclick listener interface.



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OK.



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So that's the at this error is going to be eliminated.



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So here in our class main activity extends app compress activity implements implements on click listener



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uncle listener as you can see here we have two unclick listener interface.



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The first one is for the view and the second one is for the dialog.



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Just select the first one that is actually for the view view that on click the center and then press



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the Enter key on your keyboard.



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So so now as you can see it says implements we all thought unclick listener.



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OK.



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And now as you can see here this era is gone.



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And as you can see here and here we have we don't have any error here.



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As you can see we are also we are also making this IMT animal or animal a listener to the clicks of



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the user.



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But here as you can see we have an error because we need to actually implement the unchecked change



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listener interface that is related to the radio group.



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So now let's actually put a comma here after this view that unclick listener interface.



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And then here I just need to type in a radio group Radio Group dots on checked change a listener and



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that person enter key on your keyboard.



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So now as you can see this class is also implementing this unchecked change the listener interface that



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is related to this radio group and now the errors are gone.



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And we don't have any error here but here as you can see now we have an error as you can see here.



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So in order to actually make this error it is gone.



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We need to actually implement some effects that are inside of these interfaces.



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OK.



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So we have some arm effects and we need to actually implement those methods in our main activity class.



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So as you can see here there is also is our relationship between main activity class and this and these



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two interfaces unclick the center and on to change the center.



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So just click on this error here as you can see and then press on our Alt Enter key on your keyboard



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and here as you can see it we can actually select this implement if it's here.



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And then you can actually click on OK.



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OK.



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So this is one way to actually implement those required methods or there is another way here.



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And inside this main activity class.



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So after the end in calibrates of this uncreate method.



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And inside these main activity class right click here and then click on generate and then actually can



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implement methods.



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And as you can see here these are the methods that we need to implement in our main activity class.



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And then click on OK here.



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So now as you can see the I.D. automatically generated these methods for us unchecked change and unclick



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method.



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So hopefully that makes sense.



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So now in our unclear method as you can see here we have an unclear effect and inside Ismar inside this



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method I want to actually paste in some lines of code here and then I'm going to explain to you what's



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going on here.



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So as you can see here these are the lines of code that I actually pasted here.



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Inside these are inside this method.



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So first of all I created a switch statement.



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OK so each v.



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So as you can see here we have this V that is actually of type view we get it.



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So let's actually change this name to view and let's actually let's also change this name to view.



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As you can see here.



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So each view that get ID.



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So if you want to actually switch between the IDs of our user interface components.



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So as you can see here in our uncreate method I made this BTA add a listener to the clicks of the user



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and I also made this IMJ animal.



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Our listeners to the police of the user.