Android Program : Create an Android application to demonstrate phone call using Implicit Intent.

 Android Program : Create an Android application to demonstrate phone call using Implicit Intent.

activity_main.xml:

< ?xml version="1.0" encoding="utf-8"?>
< LinearLayout 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"
  android:orientation="vertical"
  tools:context=".MainActivity">

  < Button
    android:id="@+id/btnCall"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginTop="200dp"
    android:backgroundTint="@color/colorAccent"
    android:text="Call" />
< /LinearLayout>

MainActivity.java

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 buttonCall;

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

    buttonCall = findViewById(R.id.btnCall);

    buttonCall.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        Intent intent = new Intent(Intent.ACTION_DIAL);
        intent.setData(Uri.parse("tel:123456789"));
        startActivity(intent);
      }
    });

  }
}