private void startSearching(boolean clearResults) {
stopSearching();
if (clearResults) {
bridges.clear();
bridgesAdapter.clear();
}
bridgeSearchTask = new BridgeSearchTask();
bridgeSearchTask.execute();
setSearchIndicator(true);
}
@SuppressWarnings("unchecked")
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_link);
// Set up layout
bridgesList = (ListView) findViewById(R.id.link_bridges);
bridgesAdapter = new BridgeAdapter(this);
bridgesList.setAdapter(bridgesAdapter);
bridgesList.setEmptyView(findViewById(R.id.link_empty));
// Set up loading UI elements
ActionBar ab = getActionBar();
ab.setCustomView(R.layout.loader);
ab.setDisplayShowCustomEnabled(true);
ab.setDisplayShowHomeEnabled(false);
RelativeLayout loadingLayout = (RelativeLayout) ab.getCustomView();
loadingSpinner = (ProgressBar) loadingLayout.findViewById(R.id.loader_spinner);
refreshButton = (ImageButton) loadingLayout.findViewById(R.id.loader_refresh);
setEventHandlers();
// Restore state or start over
if (savedInstanceState == null) {
Bridge lastBridge = Util.getLastBridge(this);
if (lastBridge != null) {
// This will be set again after a successful connection, connection failure leaves the last
// bridge null
Util.setLastBridge(this, null);
// Try connecting to last bridge
connectToLastBridge(lastBridge);
} else {
// Start searching for bridges and add them to the results
startSearching(true);
}
} else {
bridges = (ArrayList<Bridge>) savedInstanceState.getSerializable("bridges");
for (Bridge b : bridges) {
bridgesAdapter.add(b);
}
// If a search was running, continue without removing existing results
if (savedInstanceState.getBoolean("searching")) {
startSearching(false);
}
}
}