Develop TicTacToe game in Android Studio

Video shows you how to make simple TicTacToe game for two players (no AI) for Android.\r
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- I forgot one of the diagonals. Please add following code to the winning logic:\r
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if (g.equals(X)) && e.equals(X) && c.equals(X)){\r
Toast.makeText(MainActivity.this, Winner Player X!, Toast.LENGHT_LONG).show();\r
end = true;\r
}\r
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if (g.equals(O)) && e.equals(O) && c.equals(O)){\r
Toast.makeText(MainActivity.this, Winner Player O!, Toast.LENGHT_LONG).show();\r
end = true;\r
}