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How to make phone call
In this example we’ll see how to make a phone call using an Intent object in the android to invoke the default phone calls feature.
Intent i = new Intent(Intent.ACTION_CALL);
i.setData(Uri.parse("tel:"+number));
startActivity(i);
// Below permission is required to make calls in android
if (ActivityCompat.checkSelfPermission(MainActivity.this,
Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
return;
}
// MainActivity.java
package com.androidaura.phone;
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 getNo;
Button callNo;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
getNo=(EditText)findViewById(R.id.mobileNo);
callNo=(Button)findViewById(R.id.btCall);
callNo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String number=getNo.getText().toString();
Intent i = new Intent(Intent.ACTION_CALL);
i.setData(Uri.parse("tel:"+number));
if (ActivityCompat.checkSelfPermission(MainActivity.this,
Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
return;
}
startActivity(i);
}
});
}
}
In activity_main.xml file we are adding EditText and Button to enter phone number and to make call.
// 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">
<EditText
android:id="@+id/mobileNo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="25dp"
android:hint="Enter Number"
android:inputType="phone"
android:maxLength="10" />
<Button
android:id="@+id/btCall"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="50dp"
android:text="Make Call" />
</LinearLayout>
// Now add CALL_PHONE permission in AndroidManifest.xml file
<uses-permission android:name="android.permission.CALL_PHONE" />