android -> binary search game

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package com.example.s03;

import java.util.Random;

import android.os.Bundle;

import android.app.Activity;

import android.support.v4.widget.SimpleCursorAdapter.ViewBinder;

import android.util.Log;

import android.view.Menu;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity implements View.OnClickListener{

Random random = new Random();

int r;

int count = 0;

Button btn_001;

TextView tv_002,tv_003;

EditText edit_msg;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        btn_001 = (Button)findViewById(R.id.btn_001);

        r = random.nextInt(999) + 1;

        Log.i("GAME","난수값 : " + r);       

        edit_msg = (EditText)findViewById(R.id.edt_msg);

        tv_002 = (TextView)findViewById(R.id.tv_002);

        tv_003 = (TextView)findViewById(R.id.tv_003);

        btn_001.setOnClickListener(this);

        edit_msg.setOnClickListener(this);

        

        

    }

    

   

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.main, menu);

        return true;

    }

    

    @Override

    public void onClick(View arg0) {

// TODO Auto-generated method stub

    switch (arg0.getId()){

    case R.id.btn_001:

   

    if(edit_msg.getText().toString().equals("")){

    Toast.makeText(this, "숫자을 입력하세요", Toast.LENGTH_LONG).show();

   

    } else {

    count++;

    int c = Integer.parseInt(edit_msg.getText().toString());

    if(r > c){

    //Toast.makeText(this, , Toast.LENGTH_LONG).show();

    Log.i("GAME","난수값 : " + r);

    tv_002.setText(edit_msg.getText().toString() + "보다 큽니다.");

    tv_003.setText(tv_003.getText().toString() + " "+ edit_msg.getText().toString());

    edit_msg.setText("");

   

    } else if ( r < c) {

    //Toast.makeText(this,edit_msg.getText().toString() + "보다 작습니다." , Toast.LENGTH_LONG).show();

    Log.i("GAME","난수값 : " + r);

    tv_002.setText(edit_msg.getText().toString() + "보다 작습니다.");

    tv_003.setText(tv_003.getText().toString() + " "+ edit_msg.getText().toString());

    edit_msg.setText("");

   

    } else {

    //Toast.makeText(this,Integer.toString(r) + "정답입니다." , Toast.LENGTH_LONG).show();

    Log.i("GAME","난수값 : " + r);

    tv_002.setText("정답입니다." + r + " " + count );

    tv_003.setText("");

    r = random.nextInt(999) + 1;

    count = 0;

    edit_msg.setText("");

    }

    }

    break;

   

   

    }

    }

}

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