InboxFragment.java ift.tt/159IeRz package com.teamtreehouse.ribbit; import java.util.ArrayList; import java.util.List; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.ListFragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ListView; import com.parse.FindCallback; import com.parse.ParseException; import com.parse.ParseFile; import com.parse.ParseObject; import com.parse.ParseQuery; import com.parse.ParseUser; public class InboxFragment extends ListFragment { protected List mMessages; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_inbox, container, false); return rootView; } @Override public void onResume() { super.onResume(); getActivity().setProgressBarIndeterminateVisibility(true); ParseQuery query = new ParseQuery(ParseConstants.CLASS_MESSAGES); query.whereEqualTo(ParseConstants.KEY_RECIPIENT_IDS, ParseUser.getCurrentUser().getObjectId()); query.addDescendingOrder(ParseConstants.KEY_CREATED_AT); query.findInBackground(new FindCallback() { @Override public void done(List messages, ParseException e) { getActivity().setProgressBarIndeterminateVisibility(false); if (e == null) { // We found messages! mMessages = messages; String[] usernames = new String[mMessages.size()]; int i = 0; for(ParseObject message : mMessages) { usernames[i] = message.getString(ParseConstants.KEY_SENDER_NAME); i++; } if (getListView().getAdapter() == null) { MessageAdapter adapter = new MessageAdapter( getListView().getContext(), mMessages); setListAdapter(adapter); } else { // refill the adapter! ((MessageAdapter)getListView().getAdapter()).refill(mMessages); } } } }); } @Override public void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); ParseObject message = mMessages.get(position); String messageType = message.getString(ParseConstants.KEY_FILE_TYPE); ParseFile file = message.getParseFile(ParseConstants.KEY_FILE); Uri fileUri = Uri.parse(file.getUrl()); if (messageType.equals(ParseConstants.TYPE_IMAGE)) { // view the image Intent intent = new Intent(getActivity(), ViewImageActivity.class); intent.setData(fileUri); startActivity(intent); } else { // view the video Intent intent = new Intent(Intent.ACTION_VIEW, fileUri); intent.setDataAndType(fileUri, video/*); startActivity(intent); } // Delete it! List ids = message.getList(ParseConstants.KEY_RECIPIENT_IDS); if (ids.size() == 1) { // last recipient - delete the whole thing! message.deleteInBackground(); } else { // remove the recipient and save ids.remove(ParseUser.getCurrentUser().getObjectId()); ArrayList idsToRemove = new ArrayList(); idsToRemove.add(ParseUser.getCurrentUser().getObjectId()); message.removeAll(ParseConstants.KEY_RECIPIENT_IDS, idsToRemove); message.saveInBackground(); } } }
Posted on: Fri, 16 Jan 2015 00:51:39 +0000
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