// Called when the Activity starts, or when the App is coming to the foreground. Check to see
// the state of the LayerClient, and if everything is set up, display all the Conversations
public void onResume() {
Log.d("Activity", "Conversation Activity onResume");
super.onResume();
// If the user is not authenticated, make sure they are logged in, and if they are,
// re-authenticate
if (!LayerImpl.isAuthenticated()) {
if (ParseUser.getCurrentUser() == null) {
Log.d("Activity", "User is not authenticated or logged in - returning to login screen");
Utils.gotoLoginActivity(this);
} else {
Log.d("Activity", "User is not authenticated, but is logged in - re-authenticating user");
LayerImpl.authenticateUser();
}
// Everything is set up, so start populating the Conversation list
} else {
Log.d("Activity", "Starting conversation view");
setupConversationView();
}
ParseInstallation installation = ParseInstallation.getCurrentInstallation();
installation.put("inMessageActivity", false);
installation.put("user", ParseUser.getCurrentUser());
installation.saveInBackground();
}
// Set up the Query Adapter that will drive the RecyclerView on the conversations_screen
private void setupConversationView() {
Log.d("Activity", "Setting conversation view");
// Grab the Recycler View and list all conversation objects in a vertical list
RecyclerView conversationsView = (RecyclerView) findViewById(R.id.recyclerView);
// Register the button click listeners
FloatingActionButton newConversationBtn =
(FloatingActionButton) findViewById(R.id.newConversation);
if (newConversationBtn != null) newConversationBtn.setOnClickListener(this);
newConversationBtn.attachToRecyclerView(conversationsView);
RecyclerView.LayoutManager layoutManager =
new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
conversationsView.setLayoutManager(layoutManager);
// The Query Adapter drives the recycler view, and calls back to this activity when the user
// taps on a Conversation
mConversationsAdapter =
new ConversationQueryAdapter(
getApplicationContext(),
LayerImpl.getLayerClient(),
this,
new QueryAdapter.Callback() {
@Override
public void onItemInserted() {
Log.d("Activity", "Conversation Adapter, new conversation inserted");
}
});
// Attach the Query Adapter to the Recycler View
conversationsView.setAdapter(mConversationsAdapter);
// Execute the Query
mConversationsAdapter.refresh();
}