Calling Button Android


Calling  Button  Android
********************* Main activity .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"
    android:gravity="center"
    tools:context=".MainActivity">

<EditText
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/text"
    android:inputType="number"
    android:hint="Enter No"/>
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Calling"
        android:id="@+id/calling"/>

</LinearLayout>

******************** Mainactivity .java ***************************

package com.example.calling;

import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;

import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends AppCompatActivity {
EditText no;
Button call;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        no=(EditText)findViewById(R.id.text);
        call=(Button)findViewById(R.id.calling);
        call.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String no1=no.getText().toString();
                if(ContextCompat.checkSelfPermission(MainActivity.this,Manifest.permission.CALL_PHONE)!=PackageManager.PERMISSION_GRANTED)
                {
                    ActivityCompat.requestPermissions(MainActivity.this,new String[]{Manifest.permission.CALL_PHONE}, 0);
                }
             else
                {
                    Intent i=new Intent(Intent.ACTION_CALL, Uri.parse("tel:"+no1));
                    startActivity(i);
                }
            }
        });

    }
}

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