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Practical 18.2

The document contains an XML layout file for an Android application with a single button labeled 'Start Dialer'. It also includes a Java class for the MainActivity that sets up an onClickListener for the button to open the dialer when clicked. The intent created does not pre-fill any phone number in the dialer.

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Pruthesh Upadhye
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19 views2 pages

Practical 18.2

The document contains an XML layout file for an Android application with a single button labeled 'Start Dialer'. It also includes a Java class for the MainActivity that sets up an onClickListener for the button to open the dialer when clicked. The intent created does not pre-fill any phone number in the dialer.

Uploaded by

Pruthesh Upadhye
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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18.2 activity_main.

xml

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


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:gravity="center"
android:padding="24dp">

<Button
android:id="@+id/dialerButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Start Dialer"
android:padding="12dp" />
</LinearLayout>

18.2 MainActivity.java

package com.example.practical17;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

Button dialerButton;

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

dialerButton = findViewById(R.id.dialerButton);

dialerButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// Create intent to open dialer
Intent intent = new Intent(Intent.ACTION_DIAL);
intent.setData(Uri.parse("tel:")); // No number is pre-filled
startActivity(intent);
}
});
}
}
18.2 Output

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