Java tutorial
/* * Copyright 2013 Vishwa Patel * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License in the 'assets' directory of this * application or at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.vishwa.pinit; import java.io.ByteArrayOutputStream; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Random; import android.app.AlertDialog; import android.app.SearchManager; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.pm.ActivityInfo; import android.content.res.Configuration; import android.database.Cursor; import android.graphics.Bitmap; import android.graphics.Bitmap.CompressFormat; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Point; import android.media.ThumbnailUtils; import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.support.v4.app.FragmentActivity; import android.support.v4.util.LruCache; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.MenuItem.OnActionExpandListener; import android.view.View; import android.view.View.OnClickListener; import android.view.Window; import android.view.animation.Animation; import android.view.animation.Animation.AnimationListener; import android.view.animation.AnimationUtils; import android.view.inputmethod.InputMethodManager; import android.widget.Button; import android.widget.CursorAdapter; import android.widget.FrameLayout; import android.widget.SearchView; import android.widget.SearchView.OnQueryTextListener; import android.widget.SearchView.OnSuggestionListener; import android.widget.Toast; import com.google.android.gms.common.GooglePlayServicesNotAvailableException; import com.google.android.gms.maps.CameraUpdateFactory; import com.google.android.gms.maps.GoogleMap; import com.google.android.gms.maps.MapsInitializer; import com.google.android.gms.maps.GoogleMap.CancelableCallback; import com.google.android.gms.maps.GoogleMap.OnCameraChangeListener; import com.google.android.gms.maps.GoogleMap.OnInfoWindowClickListener; import com.google.android.gms.maps.GoogleMap.OnMapClickListener; import com.google.android.gms.maps.GoogleMap.OnMapLongClickListener; import com.google.android.gms.maps.GoogleMap.OnMarkerClickListener; import com.google.android.gms.maps.GoogleMap.OnMarkerDragListener; import com.google.android.gms.maps.SupportMapFragment; import com.google.android.gms.maps.model.BitmapDescriptorFactory; import com.google.android.gms.maps.model.CameraPosition; import com.google.android.gms.maps.model.LatLng; import com.google.android.gms.maps.model.LatLngBounds; import com.google.android.gms.maps.model.Marker; import com.google.android.gms.maps.model.MarkerOptions; import com.parse.DeleteCallback; import com.parse.GetCallback; import com.parse.GetDataCallback; import com.parse.ParseException; import com.parse.ParseFacebookUtils; import com.parse.ParseFile; import com.parse.ParseGeoPoint; import com.parse.ParseObject; import com.parse.ParseQuery; import com.parse.ParseUser; import com.parse.SaveCallback; public class MainActivity extends FragmentActivity implements OnMapLongClickListener, OnMarkerDragListener, OnMarkerClickListener, OnInfoWindowClickListener, OnMapClickListener { public static final int REQUEST_CODE_CREATE_NOTE = 102; public static final int REQUEST_CODE_DISPLAY_NOTE = 103; public static final int REQUEST_CODE_EDIT_NOTE = 104; public static final int REQUEST_CODE_CHANGE_SETTINGS = 105; public static final boolean DEBUG = false; private Button mAllNotesButton; private Button mYourNotesButton; private SearchView mSearchView; private FrameLayout mFrameLayout; private GoogleMap mMap; private Menu mMenu; private MenuItem mSearchMenuItem; private Marker mFocusedMarker = null; private Handler mHandler; private Bitmap mUserPhotoThumbnail; private LruCache<String, Bitmap> mMemoryCache; private String mCurrentUsername; private ArrayList<Marker> mMarkerList = new ArrayList<Marker>(20); private HashMap<String, Note> mNoteStore = new HashMap<String, Note>(); private HashMap<String, String> mReverseNoteStore = new HashMap<String, String>(); private boolean mHasInternet = true; private MapViewMode mMapViewMode = MapViewMode.ALL_NOTES; private MapEditMode mMapEditMode = MapEditMode.DEFAULT_MODE; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); mFrameLayout = new FrameLayout(this); if (getResources().getBoolean(R.bool.portrait_only)) { setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); } setContentView(mFrameLayout); LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE); inflater.inflate(R.layout.activity_main, mFrameLayout); inflater.inflate(R.layout.splash_screen, mFrameLayout); mHandler = new Handler(); final Runnable runnable = new Runnable() { @Override public void run() { Animation fadeOutAnimation = AnimationUtils.loadAnimation(getApplicationContext(), android.R.anim.fade_out); fadeOutAnimation.setAnimationListener(new AnimationListener() { @Override public void onAnimationStart(Animation animation) { } @Override public void onAnimationRepeat(Animation animation) { } @Override public void onAnimationEnd(Animation animation) { mFrameLayout.removeViewAt(1); if (PinItUtils.isUsersFirstLogin(mCurrentUsername, getApplicationContext())) { if (!DEBUG) { handleUsersFirstTime(); } } } }); mFrameLayout.getChildAt(1).startAnimation(fadeOutAnimation); } }; mHandler.postDelayed(runnable, 2300); mCurrentUsername = ParseUser.getCurrentUser().getUsername(); final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024); final int cacheSize = maxMemory / 10; RetainFragment mRetainFragment = RetainFragment.findOrCreateRetainFragment(getSupportFragmentManager()); mMemoryCache = mRetainFragment.mRetainedCache; if (mMemoryCache == null) { mMemoryCache = new LruCache<String, Bitmap>(cacheSize) { @Override protected int sizeOf(String key, Bitmap bitmap) { return bitmap.getByteCount() / 1024; } }; mRetainFragment.mRetainedCache = mMemoryCache; } mAllNotesButton = (Button) findViewById(R.id.main_all_notes_button); mYourNotesButton = (Button) findViewById(R.id.main_your_notes_button); setProgressBarIndeterminateVisibility(false); mAllNotesButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { LatLngBounds mapBounds = mMap.getProjection().getVisibleRegion().latLngBounds; LatLng southwest = mapBounds.southwest; LatLng northeast = mapBounds.northeast; mMapViewMode = MapViewMode.ALL_NOTES; for (Marker marker : mMarkerList) { marker.remove(); } mMarkerList.clear(); mNoteStore.clear(); mReverseNoteStore.clear(); LatLngTuple tuple = new LatLngTuple(southwest, northeast); LoadNotesTask currentUserNotesTask = new LoadNotesTask(tuple, false); currentUserNotesTask.execute(); setProgressBarIndeterminateVisibility(true); } }); mYourNotesButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { LatLngBounds mapBounds = mMap.getProjection().getVisibleRegion().latLngBounds; LatLng southwest = mapBounds.southwest; LatLng northeast = mapBounds.northeast; for (Marker marker : mMarkerList) { marker.remove(); } mMarkerList.clear(); mNoteStore.clear(); mReverseNoteStore.clear(); mMapViewMode = MapViewMode.YOUR_NOTES; LatLngTuple tuple = new LatLngTuple(southwest, northeast); LoadNotesTask currentUserNotesTask = new LoadNotesTask(tuple, true); currentUserNotesTask.execute(); setProgressBarIndeterminateVisibility(true); } }); try { MapsInitializer.initialize(this); if (!PinItUtils.isOnline(getApplicationContext())) { PinItUtils.createAlert("Internet connection not found.", "Connect to the Internet and press the refresh button at the top", this); mHasInternet = false; } else { mHasInternet = true; loadMapWhenOnline(); } } catch (GooglePlayServicesNotAvailableException e) { PinItUtils.createAlert("We're sorry", "It seems that your phone doesn't have Google Play" + "services installed, or is missing the maps application. Please download both of" + "these and then try running this application", MainActivity.this); } } private void loadMapWhenOnline() { setUpMapIfNeeded(); if (mMemoryCache.get("defaultPhoto") == null) { Bitmap defaultPhoto = ThumbnailUtils.extractThumbnail( BitmapFactory.decodeResource(getResources(), R.drawable.default_image), 100, 100); mMemoryCache.put("defaultPhoto", defaultPhoto); } LoadCurrentUserPhotoTask loadUserPhotoTask = new LoadCurrentUserPhotoTask(); loadUserPhotoTask.execute(); mMap.setOnCameraChangeListener(new OnCameraChangeListener() { @Override public void onCameraChange(CameraPosition position) { if (!PinItUtils.isOnline(getApplicationContext())) { PinItUtils.createAlert("Internet connection not found.", "Connect to the Internet and press the refresh button at the top", MainActivity.this); mHasInternet = false; hideNonRefreshMenuItems(); mMap.getUiSettings().setAllGesturesEnabled(false); mMap.getUiSettings().setZoomControlsEnabled(false); mMap.getUiSettings().setZoomGesturesEnabled(false); } else if (mMapEditMode == MapEditMode.DEFAULT_MODE) { mHasInternet = true; LatLngBounds mapBounds = mMap.getProjection().getVisibleRegion().latLngBounds; LatLng southwest = mapBounds.southwest; LatLng northeast = mapBounds.northeast; Iterator<Marker> iterator = mMarkerList.iterator(); while (iterator.hasNext()) { Marker marker = iterator.next(); if (!mapBounds.contains(marker.getPosition())) { if (mFocusedMarker != null) { if (marker.getId().equals(mFocusedMarker.getId())) { mFocusedMarker.hideInfoWindow(); hideNoteEditButtons(); mFocusedMarker = null; } } Note note = mNoteStore.get(marker.getId()); mNoteStore.remove(marker.getId()); mReverseNoteStore.remove(note.getNoteId()); marker.remove(); iterator.remove(); } } if (mMapViewMode == MapViewMode.YOUR_NOTES) { LatLngTuple tuple = new LatLngTuple(southwest, northeast); LoadNotesTask currentUserNotesTask = new LoadNotesTask(tuple, true); currentUserNotesTask.execute(); } else { LatLngTuple tuple = new LatLngTuple(southwest, northeast); LoadNotesTask currentUserNotesTask = new LoadNotesTask(tuple, false); currentUserNotesTask.execute(); } } } }); } private void handleUsersFirstTime() { final String userTutorialInstruction1 = "You can tilt the map by using a two-finger up or down swipe. Try it!"; final String userTutorialInstruction2 = "Click on a map pin to open a note preview"; LatLng timesSquare = new LatLng(40.758582795476215, -73.98525886237621); mMap.animateCamera(CameraUpdateFactory.newLatLngZoom(timesSquare, 17.0f), 1500, new CancelableCallback() { @Override public void onFinish() { Toast.makeText(getApplicationContext(), userTutorialInstruction1, Toast.LENGTH_LONG).show(); Toast.makeText(getApplicationContext(), userTutorialInstruction1, Toast.LENGTH_LONG).show(); Toast.makeText(getApplicationContext(), userTutorialInstruction2, Toast.LENGTH_LONG).show(); Toast.makeText(getApplicationContext(), userTutorialInstruction2, Toast.LENGTH_LONG).show(); PinItUtils.finishUsersFirstLogin(mCurrentUsername, getApplicationContext()); } @Override public void onCancel() { } }); } private void setUpMapIfNeeded() { if (mMap == null) { mMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.main_map)).getMap(); if (mMap != null) { //The name is random Random itsIstanbulNotConstantinople = new Random(); double longitude = itsIstanbulNotConstantinople.nextInt(359) - 179; mMap.moveCamera(CameraUpdateFactory.newLatLng(new LatLng(0, longitude))); setUpMap(); } } } private void setUpMap() { mMap.setMyLocationEnabled(true); mMap.setOnMapLongClickListener(this); mMap.setOnMapClickListener(this); mMap.setOnMarkerClickListener(this); mMap.setOnInfoWindowClickListener(this); mMap.getUiSettings().setCompassEnabled(false); mMap.getUiSettings().setRotateGesturesEnabled(false); mMap.setInfoWindowAdapter(new CustomInfoWindowAdapter(getApplicationContext(), mNoteStore, mMemoryCache, ((PinItApplication) getApplication()).getImageLoader())); } class LoadCurrentUserPhotoTask extends AsyncTask<Void, Boolean, Void> { @Override protected Void doInBackground(Void... params) { if (ParseUser.getCurrentUser().getBoolean("isDefaultPhoto")) { Bitmap userPhoto = mMemoryCache.get("defaultPhoto"); if (userPhoto != null) { mUserPhotoThumbnail = ThumbnailUtils.extractThumbnail(userPhoto, 100, 100); mMemoryCache.put(mCurrentUsername, mUserPhotoThumbnail); } else { mUserPhotoThumbnail = ThumbnailUtils.extractThumbnail( BitmapFactory.decodeResource(getResources(), R.drawable.default_image), 100, 100); mMemoryCache.put(mCurrentUsername, mUserPhotoThumbnail); } } else { try { FileInputStream inputStream = openFileInput(mCurrentUsername + ".png"); mUserPhotoThumbnail = BitmapFactory.decodeStream(inputStream); mMemoryCache.put(mCurrentUsername, mUserPhotoThumbnail); } catch (FileNotFoundException e) { loadAndCacheProfilePicture(); } } return null; } private void loadAndCacheProfilePicture() { ParseFile userPhotoFile = ParseUser.getCurrentUser().getParseFile("profilePhotoThumbnail"); userPhotoFile.getDataInBackground(new GetDataCallback() { @Override public void done(byte[] data, ParseException e) { if (e == null) { mUserPhotoThumbnail = BitmapFactory.decodeByteArray(data, 0, data.length); mMemoryCache.put(mCurrentUsername, mUserPhotoThumbnail); try { FileOutputStream outputStream = openFileOutput(mCurrentUsername, Context.MODE_PRIVATE); mUserPhotoThumbnail.compress(Bitmap.CompressFormat.PNG, 100, outputStream); outputStream.close(); publishProgress(true); } catch (FileNotFoundException e1) { publishProgress(false); } catch (IOException e1) { publishProgress(false); } } else { publishProgress(false); } } }); } @Override protected void onProgressUpdate(Boolean... params) { super.onProgressUpdate(params); if (!params[0]) { PinItUtils.createAlert("This is embarrassing", "We couldn't load your notes this time, please try again", MainActivity.this); } } @Override protected void onPostExecute(Void result) { super.onPostExecute(result); if (mMapViewMode == MapViewMode.YOUR_NOTES) { LatLng southwest = mMap.getProjection().getVisibleRegion().latLngBounds.southwest; LatLng northeast = mMap.getProjection().getVisibleRegion().latLngBounds.northeast; LatLngTuple tuple = new LatLngTuple(southwest, northeast); LoadNotesTask currentUserNotesTask = new LoadNotesTask(tuple, true); currentUserNotesTask.execute(); } } } class LoadNotesTask extends AsyncTask<Void, Void, List<ParseObject>> { private LatLngTuple tuple; private String errorMessage; private final String PARSE_BOX_LATITUDE_ERROR = "Box latitude height below precision limit."; private boolean loadCurrentUserNotes; public LoadNotesTask(LatLngTuple tuple, boolean loadCurrentUserNotes) { this.tuple = tuple; this.loadCurrentUserNotes = loadCurrentUserNotes; } @Override protected List<ParseObject> doInBackground(Void... params) { try { ParseQuery query = new ParseQuery("Note"); if (loadCurrentUserNotes) { query.whereEqualTo("creator", mCurrentUsername); } else { query.whereEqualTo("visibility", "public"); } LatLng southwest = tuple.getSouthwest(); LatLng northeast = tuple.getNortheast(); boolean isProximateToIDLine = isProximateToIDLine(southwest, northeast); if (northeast.longitude < southwest.longitude && !isProximateToIDLine) { query.whereWithinGeoBox("geopoint", new ParseGeoPoint(southwest.latitude, southwest.longitude), new ParseGeoPoint(northeast.latitude, 179.9)); query.setLimit(5); ParseQuery postIDLineQuery = new ParseQuery("Note"); if (loadCurrentUserNotes) { postIDLineQuery.whereEqualTo("creator", mCurrentUsername); } else { postIDLineQuery.whereNotEqualTo("creator", mCurrentUsername); } postIDLineQuery.whereWithinGeoBox("geopoint", new ParseGeoPoint(southwest.latitude, -179.9), new ParseGeoPoint(northeast.latitude, northeast.longitude)); postIDLineQuery.setLimit(5); List<ParseObject> preIDLineNotes = query.find(); List<ParseObject> postIDLineNotes = postIDLineQuery.find(); preIDLineNotes.addAll(postIDLineNotes); return preIDLineNotes; } else if (!isProximateToIDLine) { query.whereWithinGeoBox("geopoint", new ParseGeoPoint(southwest.latitude, southwest.longitude), new ParseGeoPoint(northeast.latitude, northeast.longitude)); query.setLimit(10); return query.find(); } return new ArrayList<ParseObject>(); } catch (ParseException e) { errorMessage = e.getMessage(); return null; } } private boolean isProximateToIDLine(LatLng southwest, LatLng northeast) { if ((180 - southwest.longitude) < 0.1 || (northeast.longitude + 180) < 0.1) { return true; } return false; } @Override protected void onPostExecute(List<ParseObject> noteList) { super.onPostExecute(noteList); if (noteList == null && !errorMessage.equals(PARSE_BOX_LATITUDE_ERROR)) { PinItUtils.createAlert("This is embarrassing", "We couldn't load your notes please try again", MainActivity.this); } else { if (noteList != null) { for (ParseObject note : noteList) { final double latitude = note.getParseGeoPoint("geopoint").getLatitude(); final double longitude = note.getParseGeoPoint("geopoint").getLongitude(); String noteTitle = note.getString("title"); String noteBody = note.getString("body"); String noteCreator = note.getString("creator"); boolean hasPhoto = note.getBoolean("hasPhoto"); String date = note.getCreatedAt().toString(); String[] arr = date.split("\\s"); String noteCreatedAt = arr[1] + " " + arr[2] + ", " + arr[5]; String noteCreatedAtFull = date; String noteImageThumbnailUrl; if (hasPhoto) { noteImageThumbnailUrl = note.getParseFile("notePhotoThumbnail").getUrl(); } else { noteImageThumbnailUrl = new String(); } ParseGeoPoint noteParseGeoPoint = note.getParseGeoPoint("geopoint"); LatLng noteGeoPoint = new LatLng(noteParseGeoPoint.getLatitude(), noteParseGeoPoint.getLongitude()); Note userNote = new Note(note.getObjectId(), noteCreator, noteTitle, noteBody, noteGeoPoint, noteImageThumbnailUrl, noteCreatedAt, noteCreatedAtFull); createMarkerAtLocation(latitude, longitude, userNote); } } setProgressBarIndeterminateVisibility(false); } } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); switch (requestCode) { case REQUEST_CODE_CREATE_NOTE: if (resultCode != RESULT_OK) { mMapEditMode = MapEditMode.DEFAULT_MODE; mMapViewMode = MapViewMode.YOUR_NOTES; mMenu.findItem(R.id.action_create_note).setVisible(true); mMenu.findItem(R.id.action_cancel).setVisible(false); LatLngBounds mapBounds = mMap.getProjection().getVisibleRegion().latLngBounds; LatLng southwest = mapBounds.southwest; LatLng northeast = mapBounds.northeast; LatLngTuple tuple = new LatLngTuple(southwest, northeast); LoadNotesTask currentUserNotesTask = new LoadNotesTask(tuple, true); currentUserNotesTask.execute(); return; } if (PinItUtils.isUsersFirstNoteCreate(mCurrentUsername, getApplicationContext())) { String userTutorialInstruction = "You can always edit your note by clicking on the pin " + "and then clicking the 'Edit' button in the menu above"; Toast.makeText(getApplicationContext(), userTutorialInstruction, Toast.LENGTH_LONG).show(); PinItUtils.finishUsersFirstNoteCreate(mCurrentUsername, getApplicationContext()); } mMapEditMode = MapEditMode.DEFAULT_MODE; mMapViewMode = MapViewMode.YOUR_NOTES; mMenu.findItem(R.id.action_create_note).setVisible(true); mMenu.findItem(R.id.action_cancel).setVisible(false); double latitude = Double.parseDouble(data.getStringExtra("geopoint").split(",")[0]); double longitude = Double.parseDouble(data.getStringExtra("geopoint").split(",")[1]); String noteTitle = data.getStringExtra("noteTitle"); String noteBody = data.getStringExtra("noteBody"); String noteImageThumbnailUrl = data.getStringExtra("noteImageThumbnailUrl"); String noteCreatedAt = data.getStringExtra("noteCreatedAt"); String noteCreatedAtFull = data.getStringExtra("noteCreatedAtFull"); String noteId = data.getStringExtra("noteId"); LatLng noteGeoPoint = new LatLng(latitude, longitude); Note note = new Note(noteId, mCurrentUsername, noteTitle, noteBody, noteGeoPoint, noteImageThumbnailUrl, noteCreatedAt, noteCreatedAtFull); createMarkerAtLocation(latitude, longitude, note); break; case REQUEST_CODE_EDIT_NOTE: if (resultCode == RESULT_OK) { mFocusedMarker.hideInfoWindow(); Note editedNote = (Note) data.getExtras().getParcelable("note"); mMemoryCache.remove(editedNote.getNoteId()); mNoteStore.put(mFocusedMarker.getId(), editedNote); mFocusedMarker.showInfoWindow(); } break; case REQUEST_CODE_CHANGE_SETTINGS: if (resultCode == RESULT_OK) { if (data.getBooleanExtra("wasPhotoChanged", false)) { mMemoryCache.remove(mCurrentUsername); FileInputStream inputStream = null; try { inputStream = openFileInput(mCurrentUsername + ".png"); } catch (FileNotFoundException e) { e.printStackTrace(); } mUserPhotoThumbnail = BitmapFactory.decodeStream(inputStream); mMemoryCache.put(mCurrentUsername, mUserPhotoThumbnail); } } } } private void createMarkerAtLocation(final double latitude, final double longitude, final Note note) { if (mReverseNoteStore.get(note.getNoteId()) == null) { Bitmap balloonBackground = BitmapFactory.decodeResource(getResources(), R.drawable.balloon_background); Bitmap userPhoto = null; if (note.getNoteCreator().equals(mCurrentUsername)) { balloonBackground = Bitmap.createScaledBitmap(balloonBackground, 87, 94, false); userPhoto = Bitmap.createScaledBitmap(mUserPhotoThumbnail, 75, 71, false); Canvas canvas = new Canvas(balloonBackground); canvas.drawBitmap(balloonBackground, 0, 0, null); canvas.drawBitmap(userPhoto, 6, 6, null); addMarkerToMap(note, balloonBackground, latitude, longitude); } else { if (mMemoryCache.get(note.getNoteCreator()) != null) { balloonBackground = Bitmap.createScaledBitmap(balloonBackground, 87, 94, false); userPhoto = Bitmap.createScaledBitmap(mMemoryCache.get(note.getNoteCreator()), 75, 71, false); Canvas canvas = new Canvas(balloonBackground); canvas.drawBitmap(balloonBackground, 0, 0, null); canvas.drawBitmap(userPhoto, 6, 6, null); addMarkerToMap(note, balloonBackground, latitude, longitude); } else { ParseQuery query = ParseUser.getQuery(); query.whereEqualTo("username", note.getNoteCreator()); query.getFirstInBackground(new GetCallback() { @Override public void done(ParseObject object, ParseException e) { if (e == null) { ParseObject noteCreator = object; if (noteCreator.getBoolean("isDefaultPhoto")) { Bitmap balloonBackground = BitmapFactory.decodeResource(getResources(), R.drawable.balloon_background); Bitmap userPhoto = null; balloonBackground = Bitmap.createScaledBitmap(balloonBackground, 87, 94, false); userPhoto = Bitmap.createScaledBitmap(mMemoryCache.get("defaultPhoto"), 75, 71, false); note.setNoteCreatorHasDefaultPhoto(true); Canvas canvas = new Canvas(balloonBackground); canvas.drawBitmap(balloonBackground, 0, 0, null); canvas.drawBitmap(userPhoto, 6, 6, null); addMarkerToMap(note, balloonBackground, latitude, longitude); } else { ParseFile userPhotoFile = noteCreator.getParseFile("profilePhotoThumbnail"); userPhotoFile.getDataInBackground(new GetDataCallback() { @Override public void done(byte[] data, ParseException e) { if (e == null) { Bitmap balloonBackground = BitmapFactory.decodeResource( getResources(), R.drawable.balloon_background); Bitmap userPhoto = BitmapFactory.decodeByteArray(data, 0, data.length); mMemoryCache.put(note.getNoteCreator(), userPhoto); balloonBackground = Bitmap.createScaledBitmap(balloonBackground, 87, 94, false); userPhoto = Bitmap.createScaledBitmap(userPhoto, 75, 71, false); Canvas canvas = new Canvas(balloonBackground); canvas.drawBitmap(balloonBackground, 0, 0, null); canvas.drawBitmap(userPhoto, 6, 6, null); addMarkerToMap(note, balloonBackground, latitude, longitude); } else { Toast.makeText(getApplicationContext(), "Photo load failed", Toast.LENGTH_LONG).show(); PinItUtils.createAlert("This is embarrassing", "Please log out and login again", MainActivity.this); } } }); } } else { Toast.makeText(getApplicationContext(), note.getNoteCreator(), Toast.LENGTH_LONG) .show(); PinItUtils.createAlert("This is embarrassing", "Please log out and login again", MainActivity.this); } } }); } } } } public void addMarkerToMap(Note note, Bitmap balloonBackground, double latitude, double longitude) { LatLng geopoint = new LatLng(latitude, longitude); Marker newMarker = mMap.addMarker(new MarkerOptions().position(geopoint).draggable(false) .icon(BitmapDescriptorFactory.fromBitmap(balloonBackground))); if (mNoteStore.get(newMarker.getId()) == null) { mNoteStore.put(newMarker.getId(), note); mReverseNoteStore.put(note.getNoteId(), newMarker.getId()); if (mMarkerList.size() == 20) { Marker marker = mMarkerList.get(0); if (mFocusedMarker != null) { if (marker.getId() == mFocusedMarker.getId()) { marker = mMarkerList.remove(1); Note removeNote = mNoteStore.remove(marker.getId()); mReverseNoteStore.remove(removeNote.getNoteId()); marker.remove(); } else { marker = mMarkerList.remove(0); Note removeNote = mNoteStore.remove(marker.getId()); mReverseNoteStore.remove(removeNote.getNoteId()); marker.remove(); } } else { marker = mMarkerList.remove(0); Note removeNote = mNoteStore.get(marker.getId()); mNoteStore.remove(marker.getId()); mReverseNoteStore.remove(removeNote.getNoteId()); marker.remove(); } } mMarkerList.add(newMarker); } } @Override public void onMapLongClick(LatLng point) { if (mMapEditMode == MapEditMode.CREATE_NOTE) { Intent intent = new Intent(this.getApplicationContext(), CreateNoteActivity.class); intent.putExtra("geopoint", point.latitude + "," + point.longitude); startActivityForResult(intent, REQUEST_CODE_CREATE_NOTE); } } @Override public boolean onCreateOptionsMenu(Menu menu) { MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.main_action_bar, menu); mMenu = menu; mSearchMenuItem = menu.findItem(R.id.action_search); SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE); mSearchView = (SearchView) mSearchMenuItem.getActionView(); mSearchView.setSearchableInfo(searchManager.getSearchableInfo(getComponentName())); mSearchView.setQueryHint("Search for locations..."); mSearchView.setOnSuggestionListener(new OnSuggestionListener() { @Override public boolean onSuggestionSelect(int position) { return false; } @Override public boolean onSuggestionClick(int position) { CursorAdapter adapter = mSearchView.getSuggestionsAdapter(); Cursor cursor = adapter.getCursor(); if (cursor != null) { if (cursor.moveToPosition(position)) { InputMethodManager imm = (InputMethodManager) getSystemService( Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(mSearchView.getWindowToken(), 0); mSearchMenuItem.collapseActionView(); String geolocation = cursor .getString(cursor.getColumnIndex(SearchManager.SUGGEST_COLUMN_INTENT_DATA_ID)); if (geolocation != null && !geolocation.isEmpty()) { double latitude = Double.parseDouble(geolocation.split(",")[0]); double longitude = Double.parseDouble(geolocation.split(",")[1]); LatLng geopoint = new LatLng(latitude, longitude); mMap.animateCamera( CameraUpdateFactory.newCameraPosition(new CameraPosition(geopoint, 17, 0, 0))); } } } return true; } }); mSearchView.setOnQueryTextListener(new OnQueryTextListener() { @Override public boolean onQueryTextSubmit(String query) { CursorAdapter adapter = mSearchView.getSuggestionsAdapter(); Cursor cursor = adapter.getCursor(); if (cursor != null) { if (cursor.moveToFirst()) { InputMethodManager imm = (InputMethodManager) getSystemService( Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(mSearchView.getWindowToken(), 0); mSearchMenuItem.collapseActionView(); String geolocation = cursor .getString(cursor.getColumnIndex(SearchManager.SUGGEST_COLUMN_INTENT_DATA_ID)); if (geolocation != null && !geolocation.isEmpty()) { double latitude = Double.parseDouble(geolocation.split(",")[0]); double longitude = Double.parseDouble(geolocation.split(",")[1]); LatLng geopoint = new LatLng(latitude, longitude); mMap.animateCamera( CameraUpdateFactory.newCameraPosition(new CameraPosition(geopoint, 17, 0, 0))); } } } return true; } @Override public boolean onQueryTextChange(String newText) { return false; } }); if (!mHasInternet) { hideNonRefreshMenuItems(); } else { showNonRefreshMenuItems(); } return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.action_search: final MenuItem createNoteItem = mMenu.getItem(1); createNoteItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM); item.setOnActionExpandListener(new OnActionExpandListener() { @Override public boolean onMenuItemActionExpand(MenuItem item) { return true; } @Override public boolean onMenuItemActionCollapse(MenuItem item) { createNoteItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); return true; } }); break; case R.id.action_create_note: mMapEditMode = MapEditMode.CREATE_NOTE; hideNoteEditButtons(); mMenu.findItem(R.id.action_create_note).setVisible(false); mMenu.findItem(R.id.action_cancel).setVisible(true).setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); Toast.makeText(getApplicationContext(), "Press and hold the location where you'd like to create a note", Toast.LENGTH_SHORT).show(); break; case R.id.action_logout: if (ParseFacebookUtils.getSession() != null) { ParseFacebookUtils.getSession().closeAndClearTokenInformation(); } ParseUser.logOut(); finish(); break; case R.id.action_refresh: if (!PinItUtils.isOnline(getApplicationContext())) { PinItUtils.createAlert("Internet connection not found.", "Connect to the Internet and press the refresh button at the top", this); mHasInternet = false; hideNonRefreshMenuItems(); } else { mHasInternet = true; showNonRefreshMenuItems(); loadMapWhenOnline(); mMap.getUiSettings().setAllGesturesEnabled(true); mMap.getUiSettings().setZoomControlsEnabled(true); mMap.getUiSettings().setZoomGesturesEnabled(true); } break; case R.id.action_edit_location: if (mFocusedMarker != null) { Toast.makeText(getApplicationContext(), "Press and hold the current note and then drag it to where " + "you'd like to position it and click save", Toast.LENGTH_LONG).show(); mMenu.findItem(R.id.action_save).setVisible(true); mMenu.findItem(R.id.action_cancel).setVisible(true); mMenu.findItem(R.id.action_create_note).setVisible(false); mMenu.findItem(R.id.action_search).setVisible(false); mMenu.findItem(R.id.action_edit).setVisible(false); for (Marker marker : mMarkerList) { marker.setDraggable(false); } mFocusedMarker.setDraggable(true); } else { Toast.makeText(getApplicationContext(), "Please click on the note you'd like " + "to move and then try again", Toast.LENGTH_SHORT) .show(); } break; case R.id.action_save: if (mHasInternet) { setProgressBarIndeterminateVisibility(true); ParseQuery query = new ParseQuery("Note"); query.getInBackground(mNoteStore.get(mFocusedMarker.getId()).getNoteId(), new GetCallback() { public void done(ParseObject object, ParseException e) { if (e == null) { ParseGeoPoint geopoint = new ParseGeoPoint(mFocusedMarker.getPosition().latitude, mFocusedMarker.getPosition().longitude); object.put("geopoint", geopoint); object.saveInBackground(new SaveCallback() { @Override public void done(ParseException e) { if (e == null) { setProgressBarIndeterminateVisibility(false); mFocusedMarker.setDraggable(false); hideNoteEditButtons(); mMenu.findItem(R.id.action_edit).setVisible(true); Toast.makeText(getApplicationContext(), "Note location updated!", Toast.LENGTH_LONG).show(); } else { PinItUtils.createAlert("This note could not be updated.", "We apologize, this note update failed, please try again", MainActivity.this); } } }); } else { PinItUtils.createAlert("This note could not be updated.", "We apologize, this note update failed, please try again", MainActivity.this); } } }); } break; case R.id.action_delete_note: if (mFocusedMarker != null) { AlertDialog.Builder dialog = new AlertDialog.Builder(this); dialog.setTitle("Are you sure?"); dialog.setMessage("Please confirm that you'd like to delete this note."); dialog.setPositiveButton("Delete", new DialogInterface.OnClickListener() { public void onClick(DialogInterface arg0, int arg1) { final Note note = mNoteStore.get(mFocusedMarker.getId()); ParseQuery query = new ParseQuery("Note"); query.getInBackground(note.getNoteId(), new GetCallback() { @Override public void done(ParseObject object, ParseException e) { if (e == null) { object.deleteInBackground(new DeleteCallback() { @Override public void done(ParseException e) { if (e == null) { Toast.makeText(getApplicationContext(), "Note deleted!", Toast.LENGTH_SHORT).show(); if (mFocusedMarker != null) { mNoteStore.remove(mFocusedMarker.getId()); mReverseNoteStore.remove(note.getNoteId()); Iterator<Marker> iterator = mMarkerList.iterator(); while (iterator.hasNext()) { Marker marker = iterator.next(); if (marker.getId().equals(mFocusedMarker.getId())) { mFocusedMarker.remove(); mFocusedMarker = null; iterator.remove(); break; } } hideNoteEditButtons(); } } } }); } else { PinItUtils.createAlert("Something's gone wrong", "Please try deleting the note again", MainActivity.this); } } }); } }); dialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { return; } }); dialog.show(); } break; case R.id.action_edit_note: if (mFocusedMarker != null) { Note note = mNoteStore.get(mFocusedMarker.getId()); Intent intent = new Intent(this, EditNoteActivity.class); intent.putExtra("note", note); startActivityForResult(intent, REQUEST_CODE_EDIT_NOTE); } else { Toast.makeText(getApplicationContext(), "Please click on the note you'd like " + "to edit and then try again", Toast.LENGTH_SHORT) .show(); } break; case R.id.action_cancel: if (mFocusedMarker != null) { double latitude = mNoteStore.get(mFocusedMarker.getId()).getNoteLatitude(); double longitude = mNoteStore.get(mFocusedMarker.getId()).getNoteLongitude(); LatLng geopoint = new LatLng(latitude, longitude); mFocusedMarker.setPosition(geopoint); mFocusedMarker.setDraggable(false); mFocusedMarker.hideInfoWindow(); } if (mMapEditMode == MapEditMode.CREATE_NOTE) { mMapEditMode = MapEditMode.DEFAULT_MODE; } hideNoteEditButtons(); break; case R.id.action_settings: Intent settingsIntent = new Intent(this, SettingsActivity.class); startActivityForResult(settingsIntent, REQUEST_CODE_CHANGE_SETTINGS); break; case R.id.action_about: Intent intent = new Intent(this, AboutActivity.class); startActivity(intent); break; default: return super.onOptionsItemSelected(item); } return true; } private void hideNoteEditButtons() { mMenu.findItem(R.id.action_edit).setVisible(false); mMenu.findItem(R.id.action_save).setVisible(false); mMenu.findItem(R.id.action_cancel).setVisible(false); mMenu.findItem(R.id.action_search).setVisible(true); mMenu.findItem(R.id.action_create_note).setVisible(true); } private void hideNonRefreshMenuItems() { for (int i = 0; i < mMenu.size(); i++) { if (mMenu.getItem(i).getItemId() != R.id.action_refresh) { mMenu.getItem(i).setVisible(false); } else { mMenu.getItem(i).setVisible(true); } } } private void showNonRefreshMenuItems() { for (int i = 0; i < mMenu.size(); i++) { if (mMenu.getItem(i).getItemId() != R.id.action_refresh && mMenu.getItem(i).getItemId() != R.id.action_save && mMenu.getItem(i).getItemId() != R.id.action_edit && mMenu.getItem(i).getItemId() != R.id.action_cancel) { mMenu.getItem(i).setVisible(true); } else { mMenu.getItem(i).setVisible(false); } } } @Override public void onMarkerDrag(Marker marker) { } @Override public void onMarkerDragEnd(Marker marker) { } @Override public void onMarkerDragStart(Marker marker) { mFocusedMarker = marker; } @Override public boolean onMarkerClick(final Marker marker) { if (mHasInternet) { mFocusedMarker = marker; if (PinItUtils.isUsersFirstMarkerClick(mCurrentUsername, getApplicationContext())) { String userTutorialInstruction = "Now click on the window above the pin to view " + "the full note!"; Toast.makeText(getApplicationContext(), userTutorialInstruction, Toast.LENGTH_LONG).show(); PinItUtils.finishUsersFirstMarkerClick(mCurrentUsername, getApplicationContext()); } if (mNoteStore.get(marker.getId()).getNoteCreator().equals(mCurrentUsername)) { if (!mMenu.findItem(R.id.action_save).isVisible()) { mMenu.findItem(R.id.action_edit).setVisible(true); } } else { mMenu.findItem(R.id.action_edit).setVisible(false); } marker.showInfoWindow(); LatLng markerGeoPoint = marker.getPosition(); Point markerPoint = mMap.getProjection().toScreenLocation(markerGeoPoint); Point poinToMoveCameraTo = new Point(markerPoint.x, markerPoint.y - 160); LatLng newMarkerGeoPoint = mMap.getProjection().fromScreenLocation(poinToMoveCameraTo); mMap.animateCamera(CameraUpdateFactory.newLatLng(newMarkerGeoPoint), 500, null); } return true; } public void addBitmapToMemoryCache(String key, Bitmap bitmap) { if (getBitmapFromMemCache(key) == null) { mMemoryCache.put(key, bitmap); } } public Bitmap getBitmapFromMemCache(String key) { return mMemoryCache.get(key); } @Override public void onBackPressed() { if (mMenu != null) { mMenu.findItem(R.id.action_cancel).setVisible(false); if (mMapEditMode == MapEditMode.CREATE_NOTE) { hideNoteEditButtons(); mMenu.findItem(R.id.action_create_note).setVisible(true); mMenu.findItem(R.id.action_search).setVisible(true); mMapEditMode = MapEditMode.DEFAULT_MODE; } else if (mFocusedMarker != null) { if (mFocusedMarker.isInfoWindowShown()) { hideNoteEditButtons(); mFocusedMarker.hideInfoWindow(); mFocusedMarker = null; } } else { super.onBackPressed(); } } else { super.onBackPressed(); } } @Override public void onInfoWindowClick(Marker marker) { hideNoteEditButtons(); Note note = mNoteStore.get(marker.getId()); if (note.getNoteCreator().equals(mCurrentUsername)) { mMenu.findItem(R.id.action_edit).setVisible(true); } ByteArrayOutputStream byteArrayStream = new ByteArrayOutputStream(); if (note.getNoteCreatorHasDefaultPhoto()) { mMemoryCache.get("defaultPhoto").compress(CompressFormat.PNG, 100, byteArrayStream); } else { mMemoryCache.get(note.getNoteCreator()).compress(CompressFormat.PNG, 100, byteArrayStream); } Intent intent = new Intent(this, DisplayNoteActivity.class); intent.putExtra("note", note); intent.putExtra("userPhoto", byteArrayStream.toByteArray()); startActivityForResult(intent, REQUEST_CODE_DISPLAY_NOTE); } @Override public void onMapClick(LatLng point) { if (mFocusedMarker != null) { if (mNoteStore.get(mFocusedMarker.getId()).getNoteCreator().equals(mCurrentUsername)) { hideNoteEditButtons(); } mFocusedMarker.hideInfoWindow(); mFocusedMarker = null; } } @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); } @Override public boolean onSearchRequested() { if (mSearchMenuItem.isActionViewExpanded()) { mSearchMenuItem.collapseActionView(); return false; } final MenuItem createNoteItem = mMenu.getItem(1); createNoteItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM); mSearchMenuItem.expandActionView(); mSearchMenuItem.setOnActionExpandListener(new OnActionExpandListener() { @Override public boolean onMenuItemActionExpand(MenuItem item) { return true; } @Override public boolean onMenuItemActionCollapse(MenuItem item) { createNoteItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); return true; } }); return false; } }