Android Java Native Snap Photo SRC

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center">
<Button
android:id="@+id/test"
android:text="Take Picture"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</LinearLayout>

package com.mycompany.myapp;

import android.app.*;
import android.os.*;
import android.content.*;
import android.widget.Button;
import android.view.*;
import android.text.*;
import android.content.Intent;
import android.provider.*;

public class MainActivity extends Activity
{
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final Button but=(Button)findViewById(R.id.test);
but.setOnClickListener(new View.OnClickListener(){
public void onClick(View v){
Intent tp=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if(tp.resolveActivity(getPackageManager())!=null){
startActivity(tp);
}
}

});
}
}