@Override
protected void onCreate(Bundle savedInstanceState) {
Intent intent = getIntent();
Attraction attraction = intent.getParcelableExtra("attraction");
setTitle(attraction.getName());
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_image_viewer);
ViewPager viewPager = (ViewPager) findViewById(R.id.view_pager);
ImageAdapter adapter = new ImageAdapter(this, attraction);
viewPager.setAdapter(adapter);
CirclePageIndicator indicator = (CirclePageIndicator) findViewById(R.id.indicator);
indicator.setViewPager(viewPager);
final float density = getResources().getDisplayMetrics().density;
// Set circle indicator radius
indicator.setRadius(5 * density);
indicator.setFillColor(R.color.colorPrimaryDark);
indicator.setStrokeColor(R.color.text_color);
}
/**
* Creates a attractive or repulsive force between the two given nodes. If the two nodes already
* have a force between them, it will be replaced by this one.
*
* @param node1 First of the two nodes to have a force between them.
* @param node2 Second of the two nodes to have a force between them.
* @param force Force to create between the two nodes. If positive, the nodes will attract each
* other, if negative they will repulse. The larger the magnitude the stronger the force.
* @param minDistance Minimum distance within which no force is applied.
* @return True if the viewer contains the two nodes and a force between them has been created.
*/
public boolean addForce(N node1, N node2, float force, float minDistance) {
Particle p1 = nodes.get(node1);
if (p1 == null) {
return false;
}
Particle p2 = nodes.get(node2);
if (p2 == null) {
return false;
}
// We may have to remove existing force if it exists between these two nodes.
for (int i = 0; i < physics.getNumAttractions(); i++) {
Attraction a = physics.getAttraction(i);
if (((a.getOneEnd() == p1) && (a.getTheOtherEnd() == p2))
|| ((a.getOneEnd() == p2) && (a.getTheOtherEnd() == p1))) {
physics.removeAttraction(a);
break;
}
}
// Add the new force.
physics.makeAttraction(p1, p2, force, minDistance);
return false;
}
