Photo Roulette Android App
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- Spin the Photo Roulette! Photo Roulette picks random photos from you and your friends’ phones. You compete to guess whose photo is shown. Get ready to be reminded of awesome memories and awkward selfies in this fun and social party app.
- Photo Roulette is a fun little widget that presents you with a fancy photo montage with your photo almost each time you look on your phone screen!
- Photo Roulette randomly selects and displays photos from players' camera rolls; players have to guess whose photos they are. The app raises money through ads and in-app purchases. Just as much, does photo roulette show all photos? In each round of Photo Roulette a random photo is chosen from one players' photo library and briefly shown to all.
Roulette is a casino game with a wheel having numbers from 0 to 36. You must note that the American style roulette has a double zero. So, it has 38 sectors on the wheel. But, in that tutorial, we are going to create a French / European style Roulette Game.
In the Roulette Game, players may choose to place bets on either a single number, various groupings of numbers, red or black colors, whether the number is odd or even, or if the numbers are high (between 19 and 36) or low (between 1 and 18).
Then, a croupier spins the wheel in one direction and a little ball in the opposite direction. When the wheel stops, we look at the position of the ball on the sectors of the wheel.
After that, the croupier pay players if they won their bets according some rules we will see in the second part of this tutorial when we will implement the bets on our Roulette Game.
In this part of the tutorial, you are going to learn how to display the wheel and how to spin it by using the Android Animation API available in the standard SDK.
You can also watch this part of the tutorial on YouTube :
Adding some depedencies
To make easier our development by reducing the boilerplate code, we are going to use the Butter Knife library. So, you need to add the following dependencies in the buid.gradle file of your Android Application Project :
implementation ‘com.jakewharton:butterknife:8.8.1’
annotationProcessor ‘com.jakewharton:butterknife-compiler:8.8.1’
So, the build.gradle file of our Roulette Game will have the following form :
Making the User Interface of the Roulette Game
Next step is to make the User Interface of the Roulette Game. Our UI will have the following views :
- A TextView to display the result of the wheel’s spin
- A Button to spin the wheel
- An ImageView to display the wheel which will be represented by the following PNG Image :
- An ImageView to display a triangle pointing to the sector of the wheel where the ball has stopped. So, we won’t use a real ball spinning on the wheel here. This is the triangle image :
It gives us the following code for our User Interface :
Like you can see, it is quite simple. A RelativeLayout with the Button at the bottom, the TextView on top and the wheel centered on the screen. Furthermore, the triangle image is placed just above the wheel with a-10dp marginBottom to be placed just on the wheel’s sectors.
Writing the Java code of the Main Activity
Now, it’s time to write the Java code of the Main Activity. First, we bind the views from the XML layout file to the fields of our MainActivity thanks to the Butter Knife API and its @BindView annotation :
Then, we need to create a String array to have a textual representation of label associated to each sector of our wheel. Finally, we define a static variable to represent the half angle of a sector. For that, we divide 360 degrees by the number of sectors (37) and then again by two.
It gives us the following code at this point :
Now, we need to find a way to spin our wheel. For that, we are going to use the Android Animation API. Simple, efficient and available in the SDK in standard.
To spin our wheel, we will use a RotateAnimation. The rotation will be from degreeOld to degree based on the center of the wheel. You have noted that we use degreeOld and degree integer fields.
The degreeOld field will store the previous position of the wheel in degrees compared to its initial position. The degree field will be used to determine the next position of the wheel after the rotation. To calculate this position, we use a random integer between 0 and 360. And then, we add 720 degrees to be sure the wheel will make two rotations at least before stopping.
Finally, we define the duration of the animation and we set a DecelerateInterpolator to make a smooth effect. The code is placed inside a spin method annotated with @OnClick annotation of the Butter Knife API to set this method as the OnClick callback for our Spin Button :
When the animation starts, we empty the result TextView. At the end of the animation, we display the correct sector pointed by the triangle on the wheel.
For that, we create a getSector method with a dedicated Algorithm. We iterate to move from the first sector angle to the last sector angle. It the position in degrees of the wheel passed in parameter of the getSector method in a sector, we get the associated text by accessing to the sectors array.
It gives us the following code for the getSector method :
It gives us the following complete source code for the MainActivity :
Playing our Roulette Game
Best part of the tutorial is coming. Now, we can play our Roulette Game and spinning the wheel. Once the application is launched, you will have the following starting screen :
Click on the spin button, and the wheel will spin. When the wheel stops, you will have the following screen with the result :
That’s all for the first part of our Roulette Game tutorial for Android.
To go further
In the second part of this tutorial, we will create the bets table and we will let the users to put bets before spinning the wheel. So, stay tuned !
Waiting that, you can subscribe to the SSaurel’s Channel on YouTube to discover more tutorials on Android development :
Photo Roulette Code
Overview: Fun little widget that brings surprising photo effects on your home screen!
Requirements: Android 2.1 and up
Price: $2.00
Welcome the PRO version of Photo Roulette Widget – a fun little app that brings surprising photo effects on your home screen every minute of the day!
We bet you have lots of photos on your phone. Now is the time to have fun with them! Photo Roulette Widget PRO presents you with a fancy photo montage with your photo almost each time you look on your phone screen! Just select a photo you want to have fun with (you can change the source photo at any moment), and the app will present you with a fun photo collage, a beautiful photo effect, or a face montage every minute of your day!
Just imagine your photo placed on a magazine cover, or turned into a watercolor painting, or placed on a night billboard! Each time your photo will be integrated into a new scene, or edited with a fancy filter. What photo effect will you get next? You never know! There’s one thing we know for sure – you are in for a great surprise!
There are several categories of effects to be applied to your photos. You can include all the categories, or leave out the ones you don’t like.
Here are the categories of effects:
* Default
Imagine your photo placed on a foreign banknote or on a bestseller book cover, presented as graffiti on a street wall or edited with a fancy filter. Your picture can also be easily turned into an antique oil painting or a charcoal drawing. And what about being placed next to a celebrity like Jackie Chan, Lady Gaga or Keira Knightley? You are going to love these startup effects!
* For men
Let your boyhood dreams come true! Turn miraculously into a soldier, a gangster or a cover boy for the Men’s Health magazine (the app uses a smart face detection algorithm for these effects like those you find in photo funia). You can also find your photo airbrushed on an exclusive car or admired by Angelina Jolie or Nicole Kidman
* For women
Girls and ladies, it’s your turn! All kind or romantic and cute stuff you love is here! Effects with hearts, flowers and butterflies, romantic frames, sweet vintage collages, and more. You will also be happy to find that you have become the cover girl for the Cosmo or Glamour magazine! ‘Face detection’ effects are also included into this category: they can turn you into a beautiful Hawaiian girl or a myrtle tree fairy.
* For kids
All kinds of cute effects and frames for kids photos. Sweet frames with teddy bears and kittens, effects with animated movie characters like Shrek or Winnie-the-Pooh, and more.
* Horror
These facial photo effects will turn you into a horrible monster, a zombie or an alien. Yep, they are not for the weak-minded, but they are a fun way to scare your friends!
Features available in the Pro version only:
* Only 1 minute delay before you get the next effect. Get ready to have fun every minute of your day!
* Even more cool effects in each category. More effects mean more fun!
* Ad and watermark free
Photo Roulette Widget PRO requires internet connection to create effects and collages. Results are saved in the history list; you can specify how many recent pictures you want to be saved. Sharing is really easy, so be sure to show these fun creations to your friends: email them to a friend or share instantly to a social network like Twitter, Facebook or Goolge+. We bet they’ll be amazed!
Photo Roulette Widget PRO is a game you can’t lose. Just start using it and you will never want to quit!
https://play.google.com/store/apps/details?id=com.vicman.photoroulette.pro
DownloadPhoto Roulette Widget PRO 1.32p (Android)
Photo Roulette App Download
http://adf.ly/1686190/http://bitshare.com/files/35ad3s5w/prWidget.PRO.1.32p.Android.zip.html
http://adf.ly/1686190/http://rapidapk.com/jd2d9fi9q6ij/prWidget.PRO.1.32p.Android.zip