// ex1, 获取gps信息的按钮的事件
private void getGpsinfoButtonClick(View v) {
if (mLocationHelper == null) {
mLocationHelper = LocationHelper.getInstance();
}
int intRet = mLocationHelper.init(MainActivity.this, this);
if (intRet == Constants.ERROR_CANT_GET_GPS_SERVICE) {
Toast.makeText(this, "请打开GPS服务！", Toast.LENGTH_LONG).show();
} else if (intRet == Constants.ERROR_CANT_GET_GPS_INFO) {
Log.e(TAG, "无法获得GPS数据信息！");
return;
}
}
@Override
protected void onResume() {
// 需要刷新GPS获取信息
if (mLocationHelper != null) {
mLocationHelper.refresh();
}
super.onResume();
}
@Override
public void onDestroy() {
if (mLocationHelper != null) {
mLocationHelper.uninit();
}
if ((mTimerHelper != null) && mUpdateTimerRunnable != null) {
mTimerHelper.removeTimer(mUpdateTimerRunnable);
mTimerHelper = null;
}
super.onDestroy();
}
private static URL computeSharedConfigurationLocation() {
String property = FrameworkProperties.getProperty(PROP_SHARED_CONFIG_AREA);
if (property == null) return null;
try {
URL sharedConfigurationURL = LocationHelper.buildURL(property, true);
if (sharedConfigurationURL == null) return null;
if (sharedConfigurationURL.getPath().startsWith("/")) // $NON-NLS-1$
// absolute
return sharedConfigurationURL;
URL installURL = installLocation.getURL();
if (!sharedConfigurationURL.getProtocol().equals(installURL.getProtocol()))
// different protocol
return sharedConfigurationURL;
sharedConfigurationURL = new URL(installURL, sharedConfigurationURL.getPath());
FrameworkProperties.setProperty(
PROP_SHARED_CONFIG_AREA, sharedConfigurationURL.toExternalForm());
} catch (MalformedURLException e) {
// do nothing here since it is basically impossible to get a bogus url
}
return null;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.arc);
locHelper = new LocationHelper();
locHelper.getLocation(ARC.this, locationResult);
locationControlTask = new LocationControl();
/*lstView = (ListView)findViewById(R.id.listView1);
lstView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
lstView.setTextFilterEnabled(true);*/
colleges = getResources().getStringArray(R.array.colleges_array);
longitude = getResources().getStringArray(R.array.longitude_array);
latitude = getResources().getStringArray(R.array.latitude_array);
college_address = getResources().getStringArray(R.array.College_address);
// ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,R.layout.simplerow, colleges);
// Assign adapter to ListView
// lstView.setAdapter(adapter);
// setListAdapter(new ArrayAdapter<String>(this,
// android.R.layout.simple_list_item_checked, colleges));
listView = (ExpandableListView) findViewById(R.id.list);
List<Map<String, Object>> parentsList = new ArrayList<Map<String, Object>>();
List<List<Map<String, Object>>> childrenList = new ArrayList<List<Map<String, Object>>>();
PackageManager pm = getPackageManager();
List<PackageInfo> packages = pm.getInstalledPackages(PackageManager.GET_PERMISSIONS);
for (int i = 0; i < colleges.length; i++) {
// String[] permissions = info.requestedPermissions;
if (colleges != null) {
Map<String, Object> parentData = new HashMap<String, Object>();
parentData.put(PARENT, colleges[i]);
parentsList.add(parentData);
List<Map<String, Object>> childList = new ArrayList<Map<String, Object>>();
for (int j = i; j <= i; j++) {
Map<String, Object> childData = new HashMap<String, Object>();
childData.put(CHILD, college_address[i]);
childList.add(childData);
}
childrenList.add(childList);
}
}
/* btnShowLocation = (Button) findViewById(R.id.btnShowLocation);
// show location button click event
btnShowLocation.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View arg0) {
// create class object
gps = new GPSTracker(ARC.this);
// check if GPS enabled
if(gps.canGetLocation()){
lat = gps.getLatitude();
lng = gps.getLongitude();
// \n is for new line
double mindist=100000.0,l=0.0,g=0.0;
int i,m=0;
for(i=0;i<colleges.length;i++)
{ Double c_lat=Double.parseDouble(latitude[i]);
Double c_lng=Double.parseDouble(longitude[i]);
double min=sqrt(pow((c_lat-lat),2)+pow((c_lng-lng),2));
if (min<mindist)
{
l=c_lat;
g=c_lng;
mindist=min;
m=i;
}}
Toast.makeText(getApplicationContext(),"Nearest ARC is "+ colleges[m], Toast.LENGTH_LONG).show();
listView.smoothScrollToPosition(m);
}else{
// can't get location
// GPS or Network is not enabled
// Ask user to enable GPS/network in settings
gps.showSettingsAlert();
}
}
});*/
SimpleExpandableListAdapter adapter =
new SimpleExpandableListAdapter(
ARC.this,
parentsList,
R.layout.expandablelistview_group,
new String[] {PARENT},
new int[] {R.id.TextViewGroup},
childrenList,
R.layout.raw,
new String[] {CHILD},
new int[] {R.id.permission});
listView.setAdapter(adapter);
}
@Override
protected void onStop() {
locHelper.stopLocationUpdates();
locationControlTask.cancel(true);
super.onStop();
}
/**
* Builds a URL with the given specification
*
* @param spec the URL specification
* @param trailingSlash flag to indicate a trailing slash on the spec
* @return a URL
*/
public static URL buildURL(String spec, boolean trailingSlash) {
return LocationHelper.buildURL(spec, trailingSlash);
}
private static URL computeInstallConfigurationLocation() {
String property = FrameworkProperties.getProperty(PROP_INSTALL_AREA);
if (property != null) return LocationHelper.buildURL(property, true);
return null;
}
private void getPlaces() {
// Get some cool places!
Location location = LocationHelper.getLocation(this);
if (location != null) {
Log.i(TAG, "Location!");
}
double latitude = 33.8303090;
double longitude = -118.3068440;
try {
Request request =
new Request.Builder()
.url(
"https://maps.googleapis.com/maps/api/place/nearbysearch/json?key="
+ getString(R.string.apiKey)
+ "&"
+ "location="
+ latitude
+ ","
+ longitude
+ "&"
+ "radius="
+ 500
+ "&"
+ "type=food"
+ "&"
+ "rankBy=distance") // 500 meters
.build();
Log.i(TAG, request.toString());
okHttpClient
.newCall(request)
.enqueue(
new Callback() {
@Override
public void onFailure(Request request, IOException e) {
// SOMETHING WENT WRONG
// TODO: Insert AlertDialog here!
}
@Override
public void onResponse(Response response) throws IOException {
// SOMETHING AWESOME HAPPENED
Handler uiThread = new Handler(getBaseContext().getMainLooper());
JsonParser parser = new JsonParser();
String data = response.body().string();
JsonElement element = parser.parse(data);
if (element.isJsonObject()) {
JsonArray results = element.getAsJsonObject().get("results").getAsJsonArray();
for (int i = 0; i < results.size(); i++) {
JsonObject place = results.get(i).getAsJsonObject();
String name = place.get("name").getAsString();
String address = place.get("vicinity").getAsString();
boolean isOpen;
if (place.has("opening_hours")) {
JsonObject openHours = place.get("opening_hours").getAsJsonObject();
isOpen = openHours.get("open_now").getAsBoolean();
} else {
isOpen = false;
}
Place item = new Place(name, address, isOpen);
model.add(item);
}
uiThread.post(
new Runnable() {
@Override
public void run() {
buildListview();
}
});
} else {
Log.e(TAG, "=====FAILURE=====");
Log.e(TAG, "element is not a JsonElement");
}
}
});
} catch (Exception e) {
e.printStackTrace();
}
}
