import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener
{
TextView textViewAusgabe;
Button buttonTest;
ImageView imageView;
private static final int CAMERA_REQUEST = 1888;

@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

// Textview
textViewAusgabe=(TextView)findViewById(R.id.textViewAusgabe);

// Button
buttonTest=(Button)findViewById(R.id.buttonTest);

// Button setzen
buttonTest.setOnClickListener(this);

this.imageView=(ImageView)findViewById(R.id.imageView);

}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

@Override
public void onClick(View v)
{
// TODO Auto-generated method stub

textViewAusgabe.setText("hallo");

Intent cameraIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(cameraIntent, CAMERA_REQUEST);

}

protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (requestCode == CAMERA_REQUEST && resultCode == RESULT_OK)
{

Bitmap photo = (Bitmap) data.getExtras().get("data");
imageView.setImageBitmap(photo);
}
}

}