user throw dice at the same time as many dice as user wants.

dicetheory.java

package com.example.deniz.dicetheory;

import android.annotation.SuppressLint;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;

import java.security.SecureRandom;

public class MainActivity extends AppCompatActivity {

    int num1=0,num2=0,num3=0,num4=0,num5=0,num6=0;

    SecureRandom secureRandomNum = new SecureRandom();


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


        final TextView txtDice[] = {(TextView) findViewById(R.id.txtdice1),
                (TextView) findViewById(R.id.txtdice2),
                (TextView) findViewById(R.id.txtdice3),
                (TextView) findViewById(R.id.txtdice4),
                (TextView) findViewById(R.id.txtdice5),
                (TextView) findViewById(R.id.txtdice6)};


        final EditText edtNum = (EditText) findViewById(R.id.edtnumber);

        Button Roll = (Button) findViewById(R.id.Roll);
        ImageButton refresh = (ImageButton) findViewById(R.id.refresh);

        final CheckBox addP = (CheckBox) findViewById(R.id.addP);

        Roll.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                if (edtNum.getText().toString().matches("")) {
                    edtNum.setHint("Please Input a Number!!!!!");

                } else {

                    if (addP.isChecked()) {

                    } else {
                        num1 = 0;
                        num2 = 0;
                        num3 = 0;
                        num4 = 0;
                        num5 = 0;
                        num6 = 0;
                        for (int i = 0; i < 6; i++) {
                            txtDice[i].setText("0");
                        }
                    }
                    int times = Integer.parseInt(edtNum.getText().toString());

                    for (int i = 0; i < times; i++) {


                        int randomNum = 1 + secureRandomNum.nextInt(6);
                        switch (randomNum) {

                            case 1:
                                ++num1;
                                break;
                            case 2:
                                ++num2;
                                break;
                            case 3:
                                ++num3;
                                break;
                            case 4:
                                ++num4;
                                break;
                            case 5:
                                ++num5;
                                break;
                            case 6:
                                ++num6;
                                break;

                        }

                        txtDice[0].setText(num1 + "");
                        txtDice[1].setText(num2 + "");
                        txtDice[2].setText(num3 + "");
                        txtDice[3].setText(num4 + "");
                        txtDice[4].setText(num5 + "");
                        txtDice[5].setText(num6 + "");
                    }

                }
            }


        });

        refresh.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                num1 = 0;
                num2 = 0;
                num3 = 0;
                num4 = 0;
                num5 = 0;
                num6 = 0;
                for(int i=0;i<6;i++){
                    txtDice[i].setText("0");
                }
                edtNum.setText("");
                edtNum.setHint("(How Many Dice You Wanna Roll?)");

            }
        });


    }
}