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Practical No 09

The document contains an XML layout for an Android application with a TextView and a ToggleButton. The ToggleButton controls the visibility of the TextView, which is initially set to invisible. The Java code in MainActivity implements the functionality to show or hide the TextView based on the ToggleButton's state.

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Deep Patel
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16 views2 pages

Practical No 09

The document contains an XML layout for an Android application with a TextView and a ToggleButton. The ToggleButton controls the visibility of the TextView, which is initially set to invisible. The Java code in MainActivity implements the functionality to show or hide the TextView based on the ToggleButton's state.

Uploaded by

Deep Patel
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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<?xml version="1.0" encoding="utf-8"?

>
<LinearLayout 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"
android:layout_alignParentLeft="true"
android:orientation="vertical">
<TextView
android:id="@+id/textview"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="40dp"
android:text="Blutooth…"
android:textSize="20dp"
android:visibility="invisible" />
<ToggleButton
android:id="@+id/toggleButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginTop="40dp"
android:text="ToggleButton"
android:textAlignment="gravity" />

</LinearLayout>

MainActivity.java:-

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.CompoundButton;
import android.widget.TextView;
import android.widget.ToggleButton;
public class MainActivity extends AppCompatActivity {
ToggleButton toggleButton;
TextView textView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
toggleButton=findViewById(R.id.toggleButton);
textView=findViewById(R.id.textview);
toggleButton.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
textView.setVisibility(View.VISIBLE);
} else {
textView.setVisibility(View.INVISIBLE);
}
}
});
}

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