How to use

getDisplay

method

in

com.example.android.apis.app.PresentationActivity$DemoPresentation

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // Be sure to call the super class.
    super.onCreate(savedInstanceState);
    // Get the resources for the context of the presentation.
    // Notice that we are getting the resources from the context of the presentation.
    Resources r = getContext().getResources();
    // Inflate the layout.
    setContentView(R.layout.presentation_content);
    final Display display = getDisplay();
    final int displayId = display.getDisplayId();
    final int photo = mContents.photo;
    // Show a caption to describe what's going on.
    TextView text = (TextView)findViewById(R.id.text);
    text.setText(r.getString(R.string.presentation_photo_text,
        photo, displayId, display.getName()));
    // Show a n image for visual interest.
    ImageView image = (ImageView)findViewById(R.id.image);
    image.setImageDrawable(r.getDrawable(PHOTOS[photo]));
    GradientDrawable drawable = new GradientDrawable();
    drawable.setShape(GradientDrawable.RECTANGLE);
    drawable.setGradientType(GradientDrawable.RADIAL_GRADIENT);
    // Set the background to a random gradient.
    Point p = new Point();
    getDisplay().getSize(p);
    drawable.setGradientRadius(Math.max(p.x, p.y) / 2);
    drawable.setColors(mContents.colors);
    findViewById(android.R.id.content).setBackground(drawable);
  }
}

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // Be sure to call the super class.
    super.onCreate(savedInstanceState);
    // Get the resources for the context of the presentation.
    // Notice that we are getting the resources from the context of the presentation.
    Resources r = getContext().getResources();
    // Inflate the layout.
    setContentView(R.layout.presentation_content);
    final Display display = getDisplay();
    final int displayId = display.getDisplayId();
    final int photo = mContents.photo;
    // Show a caption to describe what's going on.
    TextView text = (TextView)findViewById(R.id.text);
    text.setText(r.getString(R.string.presentation_photo_text,
        photo, displayId, display.getName()));
    // Show a n image for visual interest.
    ImageView image = (ImageView)findViewById(R.id.image);
    image.setImageDrawable(r.getDrawable(PHOTOS[photo]));
    GradientDrawable drawable = new GradientDrawable();
    drawable.setShape(GradientDrawable.RECTANGLE);
    drawable.setGradientType(GradientDrawable.RADIAL_GRADIENT);
    // Set the background to a random gradient.
    Point p = new Point();
    getDisplay().getSize(p);
    drawable.setGradientRadius(Math.max(p.x, p.y) / 2);
    drawable.setColors(mContents.colors);
    findViewById(android.R.id.content).setBackground(drawable);
  }
}

  @Override
  public void onDismiss(DialogInterface dialog) {
    DemoPresentation presentation = (DemoPresentation)dialog;
    int displayId = presentation.getDisplay().getDisplayId();
    Log.d(TAG, "Presentation on display #" + displayId + " was dismissed.");
    mActivePresentations.delete(displayId);
    mDisplayListAdapter.notifyDataSetChanged();
  }
};

  @Override
  public void onDismiss(DialogInterface dialog) {
    DemoPresentation presentation = (DemoPresentation)dialog;
    int displayId = presentation.getDisplay().getDisplayId();
    Log.d(TAG, "Presentation on display #" + displayId + " was dismissed.");
    mActivePresentations.delete(displayId);
    mDisplayListAdapter.notifyDataSetChanged();
  }
};