public void handleMessage(Message msg) {
Ball B;
for (int idx = 0; idx < arBall.size(); idx++) {
B = arBall.get(idx);
B.Move(getWidth(), getHeight());
if (B.count > 4) {
arBall.remove(idx);
idx--;
}
}
invalidate();
mHandler.sendEmptyMessageDelayed(0, DELAY);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
if (backStack.size() > 1) {
backStack.remove(backStack.size() - 1);
wrapFiles();
} else {
Intent intent = new Intent();
setResult(RESULT_CANCELED, intent);
finish();
}
return true;
}
return super.onKeyDown(keyCode, event);
}
@Override
public void onItemClick(AdapterView<?> aListView, View aView, int aPosition, long aID) {
final FileWrapper item = adapter.getItem(aPosition);
if (item.parentItem && backStack.get(backStack.size() - 1).parentIsBack) {
backStack.remove(backStack.size() - 1);
wrapFiles();
return;
} else if (item.dirSelectItem) {
finishWithPath(listedDirectory.getAbsolutePath());
return;
}
final File selected = item.parentItem ? listedDirectory.getParentFile() : item.file;
if (selected.isDirectory()) {
backStack.add(new BackStackItem(selected.getAbsolutePath(), !item.parentItem));
wrapFiles();
} else {
String filePath = selected.getAbsolutePath();
finishWithPath(filePath);
}
}