package android.activity;
import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class Activity2 extends Activity
{
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_trung_binh_cong);

        EditText Ea, Eb, Ec;
        final TextView TB;
        float a,b,c;
        final float tbc;
        Ea = (EditText) findViewById(R.id.a);
        Eb = (EditText) findViewById(R.id.b);
        Ec = (EditText) findViewById(R.id.c);
        TB = (TextView) findViewById(R.id.KQ);
        /*a = Float.parseFloat(Ea.getText().toString());
        b = Float.parseFloat(Eb.getText().toString());
        c = Float.parseFloat(Ec.getText().toString());
        tbc = (a+b+c)/3;*/
        final Button click_KQ = (Button)findViewById(R.id.send);
        final Button click_back = (Button)findViewById(R.id.back);
        click_KQ.setOnClickListener(new OnClickListener()
        {
            @Override
            public void onClick(View v)
            {
                a = Float.parseFloat(Ea.getText().toString());
                b = Float.parseFloat(Eb.getText().toString());
                c = Float.parseFloat(Ec.getText().toString());
                tbc = (a+b+c)/3;
                TB.setText(String.valueOf(tbc));
            }
        });
        click_back.setOnClickListener(new OnClickListener()
        {
            @Override
            public void onClick(View v)
            {
                Intent intent = new Intent(getApplicationContext(), MainActivity.class);
                startActivity(intent);
            }
        });
    }
}