Guessing Game

gistfile1.txt

package com.guessinggamedtb;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
//import java.math.*;


public class myMainScreen extends Activity implements OnClickListener{
	
	private EditText num; //our number text field
	private Button btn; //guess button
	private Button playagain;
	private TextView output; //the output
	private TextView prompt;
	private int theNumber; //the random number
	private int guessesLeft; //# of tries remaining
	private int range = 100;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		
		num = (EditText)findViewById(R.id.editText1);
		btn = (Button)findViewById(R.id.button1);
		playagain = (Button)findViewById(R.id.button2);
		output = (TextView)findViewById(R.id.textView2);
		prompt = (TextView)findViewById(R.id.textView1);
		
		theNumber = (int)(Math.random()* range) + 1;
		guessesLeft = 7;
		num.requestFocus();
		btn.setOnClickListener(this);
		playagain.setOnClickListener(this);
		
		//hide playagain
		playagain.setVisibility(View.INVISIBLE);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.game_menu, menu);
		return true;
	}
	
	 public boolean onOptionsItemSelected(MenuItem item)
	    {
	    	switch (item.getItemId())
	    	{
	    	case R.id.item1:
	    		guessesLeft = range;
	    		return true;
	    	case R.id.item2:
	    		guessesLeft = (int) Math.log(range);
	    		return true;
	    	case R.id.item3:
	    		//10
	    		changeRange(10);
	    		return true;
	    	case R.id.item4:
	    		//100
	    		changeRange(100);
	    		return true;
	    	case R.id.item5:
	    		//1000
	    		changeRange(1000);
	    		return true;
	    	default:
	    		return super.onOptionsItemSelected(item);
	    	}
	    }
	public void changeRange(int rng)
	{
		range = rng;
		guessesLeft = (int) ((int) Math.log(rng) / Math.log(2)) + 2;
		theNumber = (int)(Math.random()* rng) + 1;
		String txt = "Guess a number between 1 and " + rng + ": ";
		prompt.setText(txt);
		String msg = "You've got " + guessesLeft + " tries to guess the number.";
		output.setText(msg);
	}
	 
	public void checkGuess()
	{
		//get number input
		String myNum = num.getText().toString();
		int guess = Integer.parseInt(myNum);
		
		//Decrement guessesLeft
		guessesLeft--;
		num.selectAll();
		InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.toggleSoftInput(InputMethodManager.SHOW_FORCED,0);
		//if too high: toast too high and output
		if(guess > theNumber)
		{
			String msg = myNum + " was too high. " + guessesLeft + " guesses left.";
			
			Toast toast = Toast.makeText(this, "Too high", Toast.LENGTH_SHORT);
			toast.show();
			output.setText(msg);
		}
		// too low: toast too low and output
		else if(guess < theNumber)
		{
			String msg = myNum + " was too low. " + guessesLeft + " guesses left.";
			
			Toast toast = Toast.makeText(this, "Too low", Toast.LENGTH_SHORT);
			toast.show();
			output.setText(msg);
		}
		//compare to theNumber
		else if(guess == theNumber)
		{
			playagain.setVisibility(View.VISIBLE);
			btn.setEnabled(false);
			
			String msg = myNum + " was right! " + "You had " + guessesLeft + " guesses left.";
			Toast toast = Toast.makeText(this, "You win!", Toast.LENGTH_SHORT);
			toast.show();
			
			output.setText(msg);
			//show playagain btn
		}
		//if you ran out of guesses
		//show playagain btn
		if(guessesLeft == 0)
		{
			playagain.setVisibility(View.VISIBLE);
			btn.setEnabled(false);
			
			String msg = "You've got " + guessesLeft + " guesses left. The correct number was " + theNumber + ". You lose!";
			Toast toast = Toast.makeText(this, "You lose!", Toast.LENGTH_SHORT);
			toast.show();
			
			output.setText(msg);
		}
	}
	
	public void newGame()
	{
		//hide playagain
		playagain.setVisibility(View.INVISIBLE);
		btn.setEnabled(true);
		
		theNumber = (int)(Math.random()* range) + 1;
		guessesLeft = 7;
		
		String msg = "You've got " + guessesLeft + " tries to guess the number.";
		Toast toast = Toast.makeText(this, "New Game!", Toast.LENGTH_SHORT);
		toast.show();
		
		output.setText(msg);
	}

	//handle editor actions ( the guess keyboard button click)
	
	@Override
	public void onClick(View v) {
		
		if(v == btn)
		{
			checkGuess();
			
		}
		if(v == playagain)
		{
			newGame();
		}
		
	}
	@Override
	public boolean onKeyUp(int keyCode, KeyEvent event) {
	    switch (keyCode) {
	        case KeyEvent.KEYCODE_ENTER:
	            checkGuess();
	            return true;
	    
	        default:
	            return super.onKeyUp(keyCode, event);
	    }
	}
	
	}

MainActivity.java

package com.guessinggamedtb;

import android.app.Activity;
import android.os.Bundle;
import android.content.Intent;


public class MainActivity extends Activity {
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.splash);
		
		//how long the splash screen will be displayed
		  Thread logoTimer = new Thread() {
	            public void run(){
	                try{
	                    int logoTimer = 0;
	                    while(logoTimer < 5000){
	                        sleep(100);
	                        logoTimer = logoTimer +100;
	                    };
	                    startActivity(new Intent("com.tutorial.CLEARSCREEN"));
	                } 
	                 
	                catch (InterruptedException e) {
	                    // TODO Auto-generated catch block
	                    e.printStackTrace();
	                }
	                 
	                finally{
	                    finish();
	                }
	            }
	        };
	         
	        logoTimer.start();
		
		
	}
	


	

}