bartosz

package com.example.tomek;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
import android.widget.RadioButton;

import java.util.Random;

public class MainActivity extends AppCompatActivity {


        ImageView galeria;
        RadioButton jeden, dwa, trzy, cztery;
        int b;
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            galeria = findViewById(R.id.grafika);
            Random rand = new Random();

            int a = rand.nextInt(4);
            switch(a){
                case 0:
                    galeria.setImageResource(R.drawable.kw1);
                    break;
                case 1:
                    galeria.setImageResource(R.drawable.kw2);
                    break;
                case 2:
                    galeria.setImageResource(R.drawable.kw3);
                    break;
                case 3:
                    galeria.setImageResource(R.drawable.kw4);
                    break;

            }
            jeden = findViewById(R.id.opcja01);
            dwa = findViewById(R.id.opcja02);
            trzy = findViewById(R.id.opcja03);
            cztery = findViewById(R.id.opcja04);


        }

        public void checkPhoto(View view) {
            if(jeden.isChecked() == true){
                galeria.setImageResource(R.drawable.kw1);
                b=1;
            }
            else if(dwa.isChecked()==true){
                galeria.setImageResource(R.drawable.kw2);
                b=2;
            }
            else if(trzy.isChecked()==true)
                galeria.setImageResource(R.drawable.kw3);
            else if(cztery.isChecked()==true)
                galeria.setImageResource(R.drawable.kw4);
        }

        public void nowaAktywnosc(View view) {
            Intent intencja = new Intent(this,Main2Activity.class);
            intencja.putExtra("wartosc", b);
            startActivity(intencja);
        }
    }


***************************************************MA
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline01"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent=".5" />
    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline03"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.8" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline02"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent=".6" />

    <ImageView
        android:id="@+id/grafika"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintBottom_toBottomOf="@id/guideline01"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="@id/guideline02"
        app:layout_constraintTop_toTopOf="parent"
        android:onClick="nowaAktywnosc"/>

    <RadioGroup
        android:id="@+id/radio01"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:padding="30dp"
        app:layout_constraintBottom_toBottomOf="@id/guideline01"
        app:layout_constraintLeft_toLeftOf="@id/guideline02"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <RadioButton
            android:id="@+id/opcja01"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Rys. 1"
            android:textSize="20dp"
            android:onClick="checkPhoto"/>

        <RadioButton
            android:id="@+id/opcja02"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Rys. 2"
            android:textSize="20dp"
            android:onClick="checkPhoto"/>

        <RadioButton
            android:id="@+id/opcja03"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Rys. 3"
            android:textSize="20dp"
            android:onClick="checkPhoto"/>

        <RadioButton
            android:id="@+id/opcja04"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Rys. 4"
            android:textSize="20dp"
            android:onClick="checkPhoto"/>
    </RadioGroup>

    <SeekBar
        android:id="@+id/bar01"
        android:layout_width="0dp"
        android:layout_height="40dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="@id/guideline03"
        app:layout_constraintTop_toTopOf="@id/guideline01" />

    <SeekBar
        android:id="@+id/bar02"
        android:layout_width="0dp"
        android:layout_height="40dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="@id/guideline03"
        app:layout_constraintTop_toBottomOf="@id/bar01" />

    <SeekBar
        android:id="@+id/bar03"
        android:layout_width="0dp"
        android:layout_height="40dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="@id/guideline03"
        app:layout_constraintTop_toBottomOf="@id/bar02" />


    <TextView
        android:id="@+id/textR"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintLeft_toRightOf="@id/bar01"
        app:layout_constraintTop_toTopOf="@id/bar01"
        android:text="R"
        android:textSize="30dp"/>
    <TextView
        android:id="@+id/textG"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintLeft_toRightOf="@id/bar01"
        app:layout_constraintTop_toTopOf="@id/bar02"
        android:text="G"
        android:textSize="30dp"/>
    <TextView
        android:id="@+id/textB"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintLeft_toRightOf="@id/bar01"
        app:layout_constraintTop_toTopOf="@id/bar03"
        android:text="B"
        android:textSize="30dp"/>






</androidx.constraintlayout.widget.ConstraintLayout>
**********************************************************activity_main
package com.example.tomek;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.ImageView;

public class Main2Activity extends AppCompatActivity {

    ImageView galeria;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        Bundle paczka =getIntent().getExtras();
        galeria = findViewById(R.id.grafika);
int pb =paczka.getInt("wartosc");
if (pb==1)
    galeria.setImageResource(R.drawable.kw1);
      else  if (pb==2)
            galeria.setImageResource(R.drawable.kw2);
    }
}
**************************************************************MainA2
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".Main2Activity">
    <ImageView
        android:id="@+id/grafika"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        />
</androidx.constraintlayout.widget.ConstraintLayout>
************************************************************************activity_main2