2-laboratoriya ishi

2-laboratoriya topshiriqlari
Talabalar o’zlarining tartib raqamlari bo’yicha quyidagi dasturlarni Android Studio dasturida Java dasturlash tilida proyektlarini yaratish talab etiladi.

1. 
   Ikkita sonni qo’shish dasturini toping.
   

Java kod.
package com.example.myapplication;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

EditText editText1,editText2;
TextView textView;
Button button;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editText1=findViewById(R.id.son1);
editText2=findViewById(R.id.son2);
textView=findViewById(R.id.natija);
button=findViewById(R.id.btn);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
int hisobla=(Integer.parseInt(editText1.getText().toString())+Integer.parseInt(editText2.getText().toString()));
textView.setText(String.valueOf(hisobla));
}
});
}

}

xml fayl.

xml version="1.0" encoding="utf-8"?>

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_margin="16dp"

android:padding="8dp"

android:layout_height="match_parent"

android:orientation="vertical"

tools:context=".MainActivity">

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/son1"

android:inputType="number"

android:layout_margin="8dp"

android:padding="8dp"

android:hint="birinchi sonni kiriting"

/>

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:id="@+id/son2"

android:inputType="number"

android:layout_margin="8dp"

android:padding="8dp"

android:hint="ikkinchi sonni kiriting"

/>

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:text="Q'oshish"

android:id="@+id/btn"

android:layout_margin="8dp"

android:padding="8dp"

/>

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text=" 0"

android:textSize="25dp"

android:layout_margin="16dp"

android:padding="8dp"

android:id="@+id/natija"

/>