A simple Tic Tac Toe application for Android devices. This repo purpose is for learning and practice only.

This is a game of Tic Tac Toe with a 3*3 playing field. Player 1 go first.
If anyone got 3 markers in a row, column or 2 cross lines, that player wins. A draw can happen.
Press the RESET button to erase all data of the game (player's score, the state of the button X/O, ...)
All data are kept when orientation changed (e.g portrait -> landscape)

• Android Studio version 3.5
• Java

• clone this repo
• run it using Android Studio

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All buttons are named like this: button_xy to access it ez when calling it from a loop.

What is View

• View is like elements in HTML where components like buttons, text inputs are view

What does this line mean buttons[i][j].setOnClickListener(this);

• calling the class itself (here is MainActivity)
• we saw MainActivity implements View.OnClickListener -> this class now has a met called onClick(View v){}
• -> we write logic code inside that new override method inherited from super class

How to save data when change orientation

• in activity_main.xml, have this line android:freezesText="true" in each element that wanna keep the text unchanged
• save data using this func protected void onSaveInstanceState(Bundle outState){ // code in here}
• take data using this func protected void onRestoreInstanceState(@NonNull Bundle savedInstanceState){ // code in here}
  • use appropriate mets for data type (e.g putInt and getInt; putBoolean and getBoolean)

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Check Credits

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This exercise was done using this tutorial