Android Phone Calls Example

Android provides Built-in applications for phone calls.How to make Phone Call in android Programmatically.It Can Use to Call Phone in android.

Intent Object Use to make Call in android.It can Use To ACTION_CALL action trigger to automatically phone call function call in android device available function.

ACTION_DIAL action instead of ACTION_CALL, in that case you will have option to modify hardcoded phone number before making a call instead of making a direct call.

Add Permission in AndroidManifest.xml file

 

<uses-permission android:name="android.permission.CALL_PHONE" />

MainActivity.xml

<?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:orientation="vertical"
    tools:context=".MainActivity">

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:layout_marginLeft="20dp"
        android:layout_marginRight="20dp"
        android:hint="Enter Mobile No"
        android:inputType="phone"
        android:imeOptions="actionDone"
        android:maxLength="10"
        android:id="@+id/et_mobile"/>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="20dp"
        android:layout_gravity="center_horizontal"
        android:id="@+id/btn_call"
        android:text="Call"/>
</LinearLayout>

MainActivity.java

package com.example.bhaumik.phonecall;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {

    EditText editText;
    Button button;

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

        editText = findViewById(R.id.et_mobile);
        button = findViewById(R.id.btn_call);

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                if (ActivityCompat.checkSelfPermission(MainActivity.this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED){

                    return;
                }

                Intent intent = new Intent(Intent.ACTION_CALL);
                intent.setData(Uri.parse("tel:"+ editText.getText().toString()));

                startActivity(intent);
            }
        });
    }
}