import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.provider.MediaStore.Images.Media;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {
    
    Uri myPicture = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
    }

    public void captureImage(View view)
    {
        ContentValues values = new ContentValues();
        values.put(Media.TITLE, "My demo image");
        values.put(Media.DESCRIPTION, "Image Captured by Camera via an Intent");

        myPicture = getContentResolver().insert(Media.EXTERNAL_CONTENT_URI, values);

        Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        i.putExtra(MediaStore.EXTRA_OUTPUT, myPicture);

        startActivityForResult(i, 0);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if(requestCode==0 && resultCode==Activity.RESULT_OK)
        {
            // Now we know that our myPicture URI refers to the image just taken 
        }
    }
}