GitHub - codepath/android_snake_game: Simple 2D Snake Game for Android

 

android snake tutorial

Building your first Android game. On the Target Android Devices screen, we can configure which versions of Android and which types of device to target with our game. an app that we can actually deploy to a real Android device or run on the emulator that we installed in the previous tutorial. Oct 11,  · android_snake_game. Simple 2D Snake Game for Android. The game is like the game we use to play in our android phones in our 90s.A very good game to play and have time pass. Jul 12,  · Android tutorial about implementing material design snackbar in your apps. Explained the usage of snackbar with coordinator layout and floating action button. Android tutorial about implementing material design snackbar in your apps. Explained the usage of snackbar with coordinator layout and floating action button.


Building your first Android game - Game Code School


As the title suggests, in this project we will build a simple snake style game. Snake finally reached global acclaim in the s however, when it was supplied as standard with a whole generation of Nokia mobile phones. One dot android snake tutorial the snake and one dot for Bob waiting to be eaten. As usual, we will start with an Activity which will control a thread in a class which controls the game and handles input from the player.

If you want a more in-depth discussion of the interaction between the Activity and the main class then take a look at the Breakout tutoria l. Leave the rest of the settings at their defaults, android snake tutorial. Call the Activity SnakeActivity and amend its code to be the same as this. Here is the bonus download.

Now we can code the onPause and onResume methods. Add the following code, android snake tutorial. Download the sounds by right-clicking on the files listed below. Add your sound files to this folder. Here are my sound effects. Right-click and select Save link as… to download them.

Note: At the moment my Web host seems to be restricting me from uploading. Just look at one of my other projects, download the files from them and rename them to suit below, android snake tutorial. You could also make your own or download the bonus content above. Sorry will fix this as soon as I can. Add a new class called SnakeEngine and amend the code as shown next so we have all the required imports.

When we extend SurfaceView so that the call to setContentView in the SnakeActivity class works and we implement the Runnable interface so we can later pass this class to the Thread constructor to create a Thread instance.

Runnable has one method that we must implement and we will overide run soon. Add all the member variables after the class declaration then they will be ready for use as we proceed through the rest of the code. Add this code next, be sure to add it inside the closing curly brace of the SnakeEngine class. Now we can use this to work out, based on the number of vertical pixels, how many blocks high the playable area will be.

Next, the sound files are loaded and associated with an appropriately named identifier. They are now ready to play at will with soundPool. What follows is we initialize surfaceHolder and paint. After this, we initialized the two int arrays. The last part of the code we call the newGame method which unsurprisingly starts the game. We will code newGame shortly, android snake tutorial.

All the in the run method, including method calls from the run method, works in a separate thread to the Android UI. This will allow our game to run smoothly at the same time as listening android snake tutorial player input.

Add the run method as well as pause and resume and then we will talk about them. The pause and resume methods are android snake tutorial by SnakeActivity when Android or the player causes the app to call onPause or onResume.

The resume method android snake tutorial a new instance of Thread when required and pause stops the it when required. Now our instance of Thread will play nicely with Android.

The run method calls update and then draw. The whole thing is wrapped in a while loop that repeats continuously if isPlaying is set to true and the thread is running. These calls are also contained within if updateRequired.

Only if this is true are the update and draw methods called. As we saw, the newGame method is called by the constructor it is also called when the snake crashes and a new game is required. Add the newGame method.

In the newGame methodthe snake is prepared. The length is set to just one block then the head of the snake is set to the center of the screen. The first position of each of the arrays holds the head. It is only the head that we will use when we code the collision detection. Next, Bob is prepared for a terrible demise by calling spawnBob and score is initialized to. The final bit of code in the newGame method sets nextFrameTime to whatever the current time is.

This will cause the update and draw methods run, android snake tutorial. Optimization tip: Instantiating a new instance of Random is slow and could be done in the constructor then just reused each time spawnBob is called.

In this context, android snake tutorial, however it will not affect the smooth running of the game. The eatBob method is simple too. Here is the code for the eatBob method to add after the spawnBob method. Add the code and then we can go through it. The for loop starts at the last block of the snake in snakeXs and snakeYs and advances it into the location previously occupied by the block ahead of it, android snake tutorial.

When the for loop is complete the last position is in the place the block ahead used to be in and the block that was just behind the head is where the head used to be.

Therefore, as long as we handle the head properly all the other blocks will be correctly positioned too. To move the head we switch based on the current value of heading and add or subtract 1 from either the heads vertical or horizontal position. In the detectDeath method, we do collision detection.

Notice in the code that follows we check for two things. If either of the collision possibilities happens then detectDeath returns true to the update method which takes further action. All this happens ten times per second because of the way updateRequired will work. We will code updateRequired in a minute. Add the code for the update method. Add all the code for the draw method and then we will go through it.

First, we lock the surface which is required by Android. If this works, we clear the screen with drawColor and then change the color of all android snake tutorial objects we will draw by calling setColor. We do this once for the snake and once for Bob. Now we draw the text for the score. The code positions the blocks to screen coordinates by using their grid positions contained in the array multiplied by blockSize which was determined in the constructor based on screen resolution.

The updateRequired method will let us know if the nextFrameTime variable has been exceeded by the actual current time. If it has then a new time is retrieved and put back in nextFrameTime.

The method then returns true allowing draw and update to execute. If not, false is returned and the next frame is delayed until it is time. The final code handles the player removing their android snake tutorial. The onTouchEvent method uses motionEvent. We then use motionEvent. Add this code to handle touches on android snake tutorial screen. Thank you so much that was really helpful. I wonder how can I show alert dialogue or something when player loses.

Thanks for the message. The easiest way is to just create a graphic to represent a dialog, load it in a bitmap and show it at the apptopriate moment. Most of the other games on this site show how to load and draw bitmaps. And if I want to open another activity or show a toast, etc? Thanks in advance. You can do these things by using an Intent and Toast respectively by using a reference to the main Activity.

The simplest example of how this might work would be to have a drawHomeScreen function and android snake tutorial updateHomeScreen function that are called depending upon whether android snake tutorial player is android snake tutorial playing or on a different screen. You coucld android snake tutorial provide the player with somewhere to tap to trigger which methods get called.

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noobtuts - Unity 2D Snake Tutorial

 

android snake tutorial

 

Oct 24,  · In this tutorial series, you'll learn how to create a game like Snake. The objective of the game is to grab the apples on screen to raise the score. Read on! Step 1: Application Overview. Oct 11,  · android_snake_game. Simple 2D Snake Game for Android. The game is like the game we use to play in our android phones in our 90s.A very good game to play and have time pass. Building your first Android game. On the Target Android Devices screen, we can configure which versions of Android and which types of device to target with our game. an app that we can actually deploy to a real Android device or run on the emulator that we installed in the previous tutorial.