Java tutorial
/* * Copyright (C) 2014 The Android Open Source Project * * 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 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.dustinmreed.openwifi; import android.app.Dialog; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.LoaderManager; import android.support.v4.content.CursorLoader; import android.support.v4.content.Loader; import android.support.v4.view.MenuItemCompat; import android.support.v4.view.ViewCompat; import android.support.v7.widget.ShareActionProvider; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import android.widget.Toast; import com.dustinmreed.openwifi.data.WifiLocationContract.WiFiLocationEntry; import com.getbase.floatingactionbutton.FloatingActionButton; import com.google.android.gms.common.ConnectionResult; import com.google.android.gms.common.GooglePlayServicesUtil; import com.google.android.gms.maps.CameraUpdateFactory; import com.google.android.gms.maps.GoogleMap; import com.google.android.gms.maps.MapView; import com.google.android.gms.maps.MapsInitializer; import com.google.android.gms.maps.model.BitmapDescriptorFactory; import com.google.android.gms.maps.model.LatLng; import com.google.android.gms.maps.model.MarkerOptions; import static android.support.v4.app.ActivityCompat.invalidateOptionsMenu; import static com.dustinmreed.openwifi.Utilities.getFormattedAddress; import static com.dustinmreed.openwifi.Utilities.getLinkFormattedAddress; import static com.dustinmreed.openwifi.Utilities.replaceSpacesPlusSign; public class DetailFragment extends Fragment implements LoaderManager.LoaderCallbacks<Cursor> { // These indices are tied to DETAIL_COLUMNS. If DETAIL_COLUMNS changes, these // must change. static final int COL_WIFILOCATION_NAME = 1; static final int COL_WIFILOCATION_TYPE = 2; static final int COL_WIFILOCATION_LAT = 4; static final int COL_WIFILOCATION_LONG = 5; static final int COL_WIFILOCATION_ADDRESS = 6; static final int COL_WIFILOCATION_CITY = 7; static final int COL_WIFILOCATION_STATE = 8; static final int COL_WIFILOCATION_ZIPCODE = 9; static final String DETAIL_URI = "URI"; private static final String LOG_TAG = DetailFragment.class.getSimpleName(); private static final String FORECAST_SHARE_HASHTAG = " #OpenWiFIApp"; private static final int DETAIL_LOADER = 0; private static final String[] DETAIL_COLUMNS = { WiFiLocationEntry._ID, WiFiLocationEntry.COLUMN_SITE_NAME, WiFiLocationEntry.COLUMN_SITE_TYPE, WiFiLocationEntry.COLUMN_STREET_ADDRESS, WiFiLocationEntry.COLUMN_COORD_LAT, WiFiLocationEntry.COLUMN_COORD_LONG, WiFiLocationEntry.COLUMN_ADDRESS, WiFiLocationEntry.COLUMN_CITY, WiFiLocationEntry.COLUMN_STATE, WiFiLocationEntry.COLUMN_ZIPCODE, }; MapView mapView; GoogleMap map; private ShareActionProvider mShareActionProvider; private String mWiFiLocation; private Uri mUri; private TextView mSiteNameView; private TextView mSiteAddressView; private FloatingActionButton favNavigation; private Double latitude; private Double longitude; private String siteName; private String siteZipcode; private String siteType; private String siteAddress; private String siteCity; private String siteState; public DetailFragment() { setHasOptionsMenu(true); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { invalidateOptionsMenu(getActivity()); Bundle arguments = getArguments(); View rootView; if (arguments != null) { mUri = arguments.getParcelable(DetailFragment.DETAIL_URI); rootView = inflater.inflate(R.layout.fragment_detail, container, false); mSiteNameView = (TextView) rootView.findViewById(R.id.detail_name_textview); mSiteAddressView = (TextView) rootView.findViewById(R.id.detail_address_textview); MapsInitializer.initialize(getActivity().getApplicationContext()); // Gets the MapView from the XML layout and creates it mapView = (MapView) rootView.findViewById(R.id.mapview); map = mapView.getMap(); mapView.onCreate(savedInstanceState); favNavigation = (FloatingActionButton) rootView.findViewById(R.id.route_nav_icon); favNavigation.setSize(FloatingActionButton.SIZE_NORMAL); favNavigation.setColorNormalResId(R.color.accentColor); favNavigation.setColorPressedResId(R.color.accentColorPressed); favNavigation.setIcon(R.drawable.ic_directions_white); favNavigation.setStrokeVisible(false); ViewCompat.setElevation(favNavigation, 10); } else { mWiFiLocation = null; rootView = inflater.inflate(R.layout.fragment_detail_empty, container, false); } return rootView; } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { // Inflate the menu; this adds items to the action bar if it is present. inflater.inflate(R.menu.detailfragment, menu); // Retrieve the share menu item MenuItem menuItem = menu.findItem(R.id.action_share); if (mWiFiLocation == null) { menuItem.setVisible(false); } // Get the provider and hold onto it to set/change the share intent. mShareActionProvider = (ShareActionProvider) MenuItemCompat.getActionProvider(menuItem); // If onLoadFinished happens before this, we can go ahead and set the share intent now. if (mWiFiLocation != null) { mShareActionProvider.setShareIntent(createShareForecastIntent()); } } private Intent createShareForecastIntent() { Intent shareIntent = new Intent(Intent.ACTION_SEND); shareIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET); shareIntent.setType("text/plain"); shareIntent.putExtra(Intent.EXTRA_TEXT, mWiFiLocation + "\n" + siteType + "\n" + replaceSpacesPlusSign( getLinkFormattedAddress(getActivity(), siteAddress, siteCity, siteState, siteZipcode)) + "\n" + FORECAST_SHARE_HASHTAG); return shareIntent; } @Override public void onActivityCreated(Bundle savedInstanceState) { getLoaderManager().initLoader(DETAIL_LOADER, null, this); super.onActivityCreated(savedInstanceState); } @Override public Loader<Cursor> onCreateLoader(int id, Bundle args) { if (null != mUri) { Log.e(LOG_TAG, mUri.toString()); // Now create and return a CursorLoader that will take care of // creating a Cursor for the data being displayed. return new CursorLoader(getActivity(), mUri, DETAIL_COLUMNS, null, null, null); } return null; } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor data) { if (data != null && data.moveToFirst()) { siteName = data.getString(COL_WIFILOCATION_NAME); mSiteNameView.setText(siteName); siteType = data.getString(COL_WIFILOCATION_TYPE); siteAddress = data.getString(COL_WIFILOCATION_ADDRESS); siteCity = data.getString(COL_WIFILOCATION_CITY); siteState = data.getString(COL_WIFILOCATION_STATE); siteZipcode = data.getString(COL_WIFILOCATION_ZIPCODE); mSiteAddressView.setText(getFormattedAddress(siteAddress, siteCity, siteState, siteZipcode)); latitude = Double.valueOf(data.getString(COL_WIFILOCATION_LAT)); longitude = Double.valueOf(data.getString(COL_WIFILOCATION_LONG)); favNavigation.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Uri gmmIntentUri = Uri.parse("geo:" + latitude + ", " + longitude).buildUpon() .appendQueryParameter("q", siteAddress + ", " + siteCity).build(); // Uri gmmIntentUri = Uri.parse("google.navigation:q=Taronga+Zoo,+Sydney+Australia"); Intent mapIntent = new Intent(Intent.ACTION_VIEW, gmmIntentUri); mapIntent.setPackage("com.google.android.apps.maps"); startActivity(mapIntent); } }); // Gets to GoogleMap from the MapView and does initialization stuff map = mapView.getMap(); map.getUiSettings().setMyLocationButtonEnabled(false); LatLng latlng = new LatLng(latitude, longitude); switch (siteType) { case "Library": map.addMarker(new MarkerOptions().position(latlng).title(siteName) .snippet(getFormattedAddress(siteAddress, siteCity, siteState, siteZipcode)) .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_AZURE))); break; case "Regional Community Center": map.addMarker(new MarkerOptions().position(latlng).title(siteName) .snippet(getFormattedAddress(siteAddress, siteCity, siteState, siteZipcode)) .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_ORANGE))); break; default: map.addMarker(new MarkerOptions().position(latlng).title(siteName) .snippet(getFormattedAddress(siteAddress, siteCity, siteState, siteZipcode)) .icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_YELLOW))); break; } // Updates the location and zoom of the MapView //CameraUpdate cameraUpdate = CameraUpdateFactory.newLatLngZoom(new LatLng(36.05590917600006, -86.67243400799998), 20); // Move the camera instantly to location with a zoom of 15. map.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(latitude, longitude), 15)); // Zoom in, animating the camera. map.animateCamera(CameraUpdateFactory.zoomTo(14)); //map.animateCamera(cameraUpdate); // We still need this for the share intent mWiFiLocation = String.format("%s", siteName); // If onCreateOptionsMenu has already happened, we need to update the share intent now. if (mShareActionProvider != null) { mShareActionProvider.setShareIntent(createShareForecastIntent()); } } } @Override public void onLoaderReset(Loader<Cursor> loader) { } @Override public void onResume() { checkGooglePlayServicesAvailable(); if (mapView != null) { mapView.onResume(); } super.onResume(); } @Override public void onPause() { super.onPause(); } @Override public void onDestroy() { super.onDestroy(); if (mapView != null) { mapView.onDestroy(); } } @Override public void onLowMemory() { super.onLowMemory(); if (mapView != null) { mapView.onLowMemory(); } } private void checkGooglePlayServicesAvailable() { int status = GooglePlayServicesUtil.isGooglePlayServicesAvailable(getActivity()); if (status != ConnectionResult.SUCCESS) { if (GooglePlayServicesUtil.isUserRecoverableError(status)) { Dialog dialog = GooglePlayServicesUtil.getErrorDialog(status, getActivity(), 0); dialog.setOnCancelListener(new DialogInterface.OnCancelListener() { @Override public void onCancel(DialogInterface dialogInterface) { getActivity().finish(); } }); dialog.show(); } else { Toast.makeText(getActivity().getApplicationContext(), "This device is not supported.", Toast.LENGTH_LONG).show(); getActivity().finish(); } } } }