package com.example.raivis.pinkevciusraivydas2018_09_26;

        import android.support.v7.app.AppCompatActivity;
        import android.os.Bundle;
        import android.view.View;
        import android.widget.EditText;

public class MainActivity extends AppCompatActivity {

    EditText t;
    String pirm, antr, rez;
    int c=0,a=0, sk1, sk2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        t = (EditText) findViewById(R.id.t);
    }


    void button0(View v) {
        pirm = t.getText().toString();
        pirm = pirm + ("0");
        t.setText(pirm);
    }

    void button1(View v) {
        pirm = t.getText().toString();
        pirm = pirm + ("7");
        t.setText(pirm);
    }

    void button2(View v) {
        pirm = t.getText().toString();
        pirm = pirm + ("8");
        t.setText(pirm);
    }

    void button3(View v) {
        pirm = t.getText().toString();
        pirm = pirm + ("9");
        t.setText(pirm);
    }

    void button4(View v) {
        pirm = t.getText().toString();
        pirm = pirm + ("4");
        t.setText(pirm);
    }
    void button5(View v) {
        pirm = t.getText().toString();
        pirm = pirm + ("5");
        t.setText(pirm);
    }

    void button6(View v) {
        pirm = t.getText().toString();
        pirm = pirm + ("6");
        t.setText(pirm);
    }

    void button7(View v) {
        pirm = t.getText().toString();
        pirm = pirm + ("1");
        t.setText(pirm);
    }

    void button8(View v) {
        pirm = t.getText().toString();
        pirm = pirm + ("2");
        t.setText(pirm);
    }

    void button9(View v) {
        pirm = t.getText().toString();
        pirm = pirm + "3";
        t.setText(pirm);
    }

    void taskas(View v) {

        if (a == 0) {
            pirm = pirm + ".";
            t.setText(pirm);
            a++;
        }
    }

    void sum(View v) {

        pirm = t.getText().toString();
        double sk1 = Double.parseDouble(pirm);
        t.setText("");
        c=3;
        a=0;
    }

    void minus(View v) {

        pirm = t.getText().toString();
        double sk1 = Double.parseDouble(pirm);
        t.setText("");
        c=2;
        a=0;
    }

    void daug(View v) {

        pirm = t.getText().toString();
        double sk1 = Double.parseDouble(pirm);
        t.setText("");
        c=4;
        a=0;
    }

    void dal(View v) {

        pirm = t.getText().toString();
        double sk1 = Double.parseDouble(pirm);
        t.setText("");
        c=1;
        a=0;
    }

    void lygu(View v) {
        String antr = t.getText().toString();
        double sk2 = Double.parseDouble(antr);
        double sk1 = Double.parseDouble(pirm);
        if(c==3)
        {
            double rezult = sk2 + sk1;
            String rezultatas = Double.toString(rezult);
            t.setText(rezultatas);

        }
        if(c==2)
        {
            double rezult = sk1 - sk2;
            String rezult = Double.toString(rezult);
            t.setText(rezult);
        }

        if(c==4)
        {
            double rezult = sk1 * sk2;
            String rezult = Double.toString(rezult);
            t.setText(rezult);
        }

        if(c==1)
        {
            double rezult = sk1 / sk2;
            String rezult = Double.toString(rezult);
            t.setText(rezult);
        }

    }
}