MainActivity.Java
import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
EditText edtphncall;
String telNum;
Button btnphncall;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
edtphncall=(EditText)findViewById(R.id.edtphncall);
btnphncall=(Button)findViewById(R.id.btnphncall);
btnphncall.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intentCall=new Intent(Intent.ACTION_CALL);
telNum=edtphncall.getText().toString();
if(telNum.trim().isEmpty()){
intentCall.setData(Uri.parse("tel:567788"));
//Toast.makeText(getApplicationContext(),"Please Enter Num",Toast.LENGTH_SHORT).show();
}
else{
intentCall.setData(Uri.parse("tel:"+telNum));
}
if(ActivityCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.CALL_PHONE)!= PackageManager.PERMISSION_GRANTED){
Toast.makeText(getApplicationContext(),"Please grant permission",Toast.LENGTH_SHORT).show();
requestPermission();
}else {
startActivity(intentCall);
}
});
}
private void requestPermission(){
ActivityCompat.requestPermissions(MainActivity.this,new String[]{Manifest.permission.CALL_PHONE},1);
}
}
activity_main.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"
tools:context=".MainActivity">
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/btndemo"
android:layout_margin="30dp"
android:text="Click here"
android:textColor="#FFFFFF"
android:textSize="30sp"
/>
</LinearLayout>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package=".androidexample">
<uses-permission android:name="android.permission.INTERNET" />
<activity
android:name=".MainActivity"
android:label="MainActivity"
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</manifest>
