Subject :- Mobile Application Developmen Subject Code :- 22617
Name :- Shivam Sainath Korpakwad Batch :- CO 6 IA Roll No. 24
Exercise :-
1). Write a program to show five checkboxes and toast selected checkboxes.
Xml Code :
<?xml version="1.0" encoding="utf-8"?>
<AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<CheckBox
android:id="@+id/cb2"
android:layout_width="128dp”
android:layout_height="wrap_content"
android:layout_below="@+id/cb1"
android:layout_centerHorizontal="true"
android:layout_marginTop="15dp"
android:layout_x="125dp"
android:layout_y="185dp"
android:checked="true"
android:text="Dancing" />
<CheckBox
android:id="@+id/cb1"
android:layout_width="128dp"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/cb2"
android:layout_alignParentTop="true"
android:layout_marginTop="72dp"
android:layout_x="125dp"
android:layout_y="132dp"
android:text="Coding" />
<CheckBox
android:id="@+id/cb3"
android:layout_width="129dp"
android:layout_height="wrap_content"
android:layout_below="@+id/cb2"
android:layout_alignLeft="@+id/cb2"
android:layout_marginTop="18dp"
android:layout_x="125dp"
android:layout_y="236dp"
android:text="Traveling" />
<CheckBox
android:id="@+id/cb4"
android:layout_width="128dp"
android:layout_height="wrap_content"
android:layout_below="@+id/cb2"
android:layout_alignLeft="@+id/cb2"
android:layout_marginLeft="0dp"
android:layout_marginTop="68dp"
android:layout_x="128dp"
android:layout_y="291dp"
android:text="Singing" />
<CheckBox
android:id="@+id/cb5"
android:layout_width="128dp"
android:layout_height="wrap_content"
android:layout_below="@+id/cb2"
android:layout_alignLeft="@+id/cb2"
android:layout_marginLeft="0dp"
android:layout_marginTop="68dp"
android:layout_x="128dp"
android:layout_y="349dp"
android:text="Coocking" />
<TextView
android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_x="60dp"
android:layout_y="27dp"
android:text="Choose your hobbies"
android:textSize="30dp" />
<Button
android:id="@+id/b1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_x="141dp"
android:layout_y="447dp"
android:text="Submit" />
</AbsoluteLayout>
java Code :
package com.example.myapplication;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity
{
CheckBox c1,c2,c3,c4,c5;
Button b;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
c1= CheckBox)findViewById(R.id.cb1);
c2=(CheckBox)findViewById(R.id.cb2);
c3=(CheckBox)findViewById(R.id.cb3);
c3= CheckBox)findViewById(R.id.cb3);
c4= CheckBox)findViewById(R.id.cb4);
c5= CheckBox)findViewById(R.id.cb5);
b = (Button)findViewById(R.id.b1);
b.setOnClickListener(new view.OnClickListener()
{
@Override
public void onClick(View v)
{
StringBuffer result = new StringBuffer();
result.append("The selected checkbox is ");
if(c1.isChecked())
{
result.append(c1.getText());
}
if(c2.isChecked())
{
result.append(c2.getText());
}
if(c3.isChecked())
{
result.append(c3.getText());
}
if(c4.isChecked())
{
result.append(c4.getText());
}
if(c5.isChecked())
{
result.append(c5.getText());
}
Toast.makeText(MainActivity.this,result.toString(),Toast.LENGTH_LONG).show();
}
});
}
}
Output :-
