Beyjanov Umidbek Mobil ilovalarni yaratish. 1-modul xml fayl kodi

Beyjanov Umidbek
Mobil ilovalarni yaratish.1-modul
.xml fayl kodi

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"
android:orientation="vertical">

android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">

android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/war"
android:inputType="number"
android:hint="Nomer 1"/>

android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/car"
android:inputType="number"
android:hint="Nomer 2"/>

android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center_horizontal"
android:id="@+id/home"
android:text="Natija"
android:layout_marginTop="20dp"
android:textSize="40sp"
/>



android:layout_width="80dp"
android:layout_height="wrap_content"
android:text="+"
android:layout_marginLeft="30dp"
android:id="@+id/RASCAL"/>

android:id="@+id/jh"
android:layout_width="80dp"
android:layout_height="wrap_content"
android:layout_marginLeft="30dp"
android:text="-" />

android:layout_width="80dp"
android:layout_height="wrap_content"
android:text="*"
android:layout_marginLeft="30dp"
android:id="@+id/AT"/>

android:layout_width="80dp"
android:layout_height="wrap_content"
android:text="/"
android:layout_marginLeft="30dp"
android:id="@+id/SP"/>



.java fayli kodi
package com.example.myapplication;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
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 {

private Button op, btn,l,abc;
EditText num1, num2;
TextView res;

@Override

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

op = findViewById(R.id.jh);

l=findViewById(R.id.AT);
abc=findViewById(R.id.SP);
num1 = findViewById(R.id.war);
num2 = findViewById(R.id.car);
res = findViewById(R.id.home);
btn = findViewById(R.id.RASCAL);

op.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
double n1, n2, result;
n1 = Double.parseDouble(num1.getText().toString());
n2 = Double.parseDouble(num2.getText().toString());
result = n1-n2;
if(result == (int) result){
res.setText(String.valueOf((int)result));
}else{
res.setText(String.valueOf(result));
}

}
});

btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
double n1, n2, result;
n1 = Double.parseDouble(num1.getText().toString());
n2 = Double.parseDouble(num2.getText().toString());
result = n1 + n2;
if(result == (int) result){
res.setText(String.valueOf((int)result));
}else{
res.setText(String.valueOf(result));
} }
});

l.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
double n1, n2, result;
n1 = Double.parseDouble(num1.getText().toString());
n2 = Double.parseDouble(num2.getText().toString());
result = n1 * n2;
if(result == (int) result){
res.setText(String.valueOf((int)result));
}else{
res.setText(String.valueOf(result));
} }
});

abc.setOnClickListener(new View.OnClickListener() {

@Override
public void onClick(View v) {
double n1, n2, result;
n1 = Double.parseDouble(num1.getText().toString());
n2 = Double.parseDouble(num2.getText().toString());
result = n1 / n2;
if(result == (int) result){
res.setText(String.valueOf((int)result));
}else{
res.setText(String.valueOf(result));
} }
});
}
}