APPINVENTOR

Well, today we are going to explain App Inventor, which is a project, it's a Google's project 00:00:01

to create apps, applications for smartphones. 00:00:13

It is really easy to do it using this application. 00:00:20

The main problem, you can have another problem, but not the use of the application itself. 00:00:28

So firstly, the App Inventor is online, so you click App Inventor Meet Edu, which is 00:00:38

the address of App Inventor, and here you are, this is the project. 00:00:51

You can inform different things, what is the app inventor, the sponsors, or if you want 00:00:58

to donors, because the last link, it can be also used in other forms and Apple's devices. 00:01:11

stories news 00:01:24

etc resources 00:01:27

so if you want to get this if you want to create apps, it's very easy, but because 00:01:29

the only thing that you really 00:01:36

Need is and it's more for my smart 00:01:39

Smartphone and also a Google account 00:01:44

so with your Google account you can 00:01:48

log in a 00:01:52

into AppEventor. The appearance of AppEventor is, as you can see, here you have a list of 00:01:54

your different projects, projects that you have here, you can get the list of your projects 00:02:11

Or connect with something that we will explain later. 00:02:24

My projects also can go to the gallery and if you want, at the beginning, it could be 00:02:34

a good strategy to look and to see other applications. 00:02:41

For example, here you have a very interesting one, very simple and very interesting. 00:02:48

As you can see, it's just only a cat, which name is Kitty, and if you push in the screen 00:03:03

of a button, which is indeed the cat, if you push the screen in your mobile phone, it's 00:03:11

set now. 00:03:20

It's very easy. 00:03:21

So here, the blocks, it's very easy to know. 00:03:23

You can also move your mobile phone and it also can do the same. 00:03:28

So it's a good strategy if you want to start doing something like this, something that 00:03:36

what other people have already created with App Inventor. 00:03:48

You also have helps, if you want, in the gallery. 00:04:05

You have here a guide that you can also use, report, 00:04:10

And you can change, for example, the language here, if you want, if you prefer in Spanish. 00:04:17

I think I keep in English. 00:04:25

So supposing you want to create a new app, what would you do? 00:04:34

Well, very easy, firstly, we are going to start a new project. 00:04:44

give it a name for example calculator calculator can be a machine calculator 00:04:51

can be a machine that with two two numbers calculate its art it what you 00:05:06

want for example so here you are the screen you know you you need to design 00:05:17

the layout of the screen. So to do that you have the layout and it can be horizontal arrangement 00:05:24

or scroll arrangement or what you want. My advice is a vertical arrangement. 00:05:32

So now you have in your screen a vertical arrangement 00:05:42

and here fill pattern and also fill pattern you can also if you want as you can see here 00:05:47

and imagine or in any case you can change the background color, for example, orange. 00:06:05

Well, now we have to choose the different elements in your screen. 00:06:15

So, for example, first a label. So label, on the right you have the different characteristics of label. 00:06:28

So Label, for example, we can change the height, no, height, no, first the width, width, width pattern, and obviously the content of the label. 00:06:45

In this case, we can say, give me a number, and change the test color, the alignment of the test color, yeah, give me a number. 00:07:14

And then, for example, a text box, for example, this box is filled pattern-wise, and give 00:07:46

me another number, it's another label, and another text box. 00:08:07

So now for example we also can add a button, push, well, for example. 00:09:03

And now, one level, another level, another level, and you can, a text box here, and the 00:10:22

text, for example, this one is, it's addiction, well, delete one, and this level also, addiction 00:11:54

for example and the the multiplication there's only addiction and multiplication so 00:12:34

we're going to delete one and this levels so this is the appearance of your screen or the 00:12:55

the screen of your smartphone to this app. But now we need to do a program 00:13:08

and to do the program we go to blocks. So here in blocks the first thing that you 00:13:21

usually do in the program is create a variable. So we set 1 which is the number 1. 00:13:29

So, first you need to create the variables and initiate them to a value, which is very 00:13:44

easy, but we need to do this blocks. 00:14:45

firstly we are going to initiate variables initiate global initiate we 00:14:53

are going to initiate to four variables this is one two three and four well this 00:15:25

is number one this is number two this is addiction and multiplication so we are 00:15:41

going to initiate them to all what multiplication is better than all one 00:16:06

and then when the button click so we're going to the button when the button 00:16:28

click and set number one and set number two text box to text this was one this was two 00:16:40

So, now, set and set addiction and multiplication. Addiction to the word. Addiction is the sum of global number 1 and global number 2. 00:17:14

And multiplication is global number 1, global number 2. 00:18:23

So finally we have the textbox 3, so test, and textbox 4, 2, addiction, and multiplication. 00:19:01

So now your application is finished. 00:19:56

The next step is to implement in what? 00:20:02

You can implement in your mobile phone or better, my advice is that you test it using 00:20:09

emulator, but that is what we are going to explain in the next video. 00:20:17

For today you have finished, just only add that you also can upload, for example, some 00:20:26

music you want here as mp3 format or you can also add it if you want a picture in a gpa format 00:20:38

And that is all for today, I hope you will enjoy this video and I see you next time. 00:20:57

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