Question
I am integrating Navigation drawer menu with Google Map fragement. I have a mapactivity it show the directions path from my start & destination value given in screen1. My mapactivity is showing the directions but while switching to another item in navigation menu my application doesn't shows up the next fragment.give me suggestions about map My MapActivity file as shown in below
https://stackoverflow.com/questions/23130366
italiano
english
français
española
中国
日本の
العربية
Deutsch
한국어
Português
Russian public class MapActivity extends ActionBarActivity {
private DrawerLayout mDrawerLayout;
private ListView mDrawerList;
private ActionBarDrawerToggle mDrawerToggle;
private SlidingUpPanelLayout slidingUpPanelLayout;
// nav drawer title
private CharSequence mDrawerTitle;
// used to store app title
private CharSequence mTitle;
// slide menu items
private String[] navMenuTitles;
private TypedArray navMenuIcons;
private ArrayList<NavDrawerItem> navDrawerItems;
private NavDrawerListAdapter adapter;
private int historyPosition;
SharedPreferences sharedpreferences;
//Map Items
LocationManager locManager;
Drawable drawable;
Document document;
GMapV2GetRouteDirection v2GetRouteDirection;
MarkerOptions markerOptions;
Location location ;
private SupportMapFragment fragment;
//Map Items
List<Overlay> mapOverlays;
// Google Map
private GoogleMap mGoogleMap;
String value;
public static LatLng SOURCE = new LatLng(0,0);
public static LatLng DESTINATION= new LatLng(0,0);
double longitude;
double latitude;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
value = getIntent().getStringExtra("KEY");
setContentView(R.layout.activity_map);
//Textview intialization
distancetextView=(TextView)findViewById(R.id.name11);
currentSpeedTextView=(TextView)findViewById(R.id.textView2);
estimatedDistance=(TextView)findViewById(R.id.textView1);
estimatedTime=(TextView)findViewById(R.id.textView3);
mTitle = mDrawerTitle = getTitle();
// load slide menu items
navMenuTitles = getResources().getStringArray(R.array.nav_drawer_items);
// nav drawer icons from resources
navMenuIcons = getResources()
.obtainTypedArray(R.array.nav_drawer_icons);
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerList = (ListView) findViewById(R.id.list_slidermenu);
slidingUpPanelLayout=(SlidingUpPanelLayout) findViewById(R.id.sliding_layout);
navDrawerItems = new ArrayList<NavDrawerItem>();
// adding nav drawer items to array
// Home
navDrawerItems.add(new NavDrawerItem(navMenuTitles[0], navMenuIcons.getResourceId(0, -1)));
// Find People
navDrawerItems.add(new NavDrawerItem(navMenuTitles[1], navMenuIcons.getResourceId(1, -1)));
// Photos
navDrawerItems.add(new NavDrawerItem(navMenuTitles[2], navMenuIcons.getResourceId(2, -1)));
// Communities, Will add a counter here
navDrawerItems.add(new NavDrawerItem(navMenuTitles[3], navMenuIcons.getResourceId(3, -1), true, "22"));
// Pages
navDrawerItems.add(new NavDrawerItem(navMenuTitles[4], navMenuIcons.getResourceId(4, -1)));
// What's hot, We will add a counter here
navDrawerItems.add(new NavDrawerItem(navMenuTitles[5], navMenuIcons.getResourceId(5, -1), true, "50+"));
// Recycle the typed array
navMenuIcons.recycle();
mDrawerList.setOnItemClickListener(new SlideMenuClickListener());
// setting the nav drawer list adapter
adapter = new NavDrawerListAdapter(getApplicationContext(),
navDrawerItems);
mDrawerList.setAdapter(adapter);
// enabling action bar app icon and behaving it as toggle button
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
getSupportActionBar().setHomeButtonEnabled(true);
mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout,
R.drawable.ic_drawer, //nav menu toggle icon
R.string.app_name, // nav drawer open - description for accessibility
R.string.app_name // nav drawer close - description for accessibility
) {
@Override
public void onDrawerClosed(View view) {
getSupportActionBar().setTitle(mTitle);
// calling onPrepareOptionsMenu() to show action bar icons
supportInvalidateOptionsMenu();
}
@Override
public void onDrawerOpened(View drawerView) {
getSupportActionBar().setTitle(mDrawerTitle);
// calling onPrepareOptionsMenu() to hide action bar icons
supportInvalidateOptionsMenu();
}
};
mDrawerLayout.setDrawerListener(mDrawerToggle);
//Geo Coder
Geocoder coder = new Geocoder(this);
try {
ArrayList<Address> adresses = (ArrayList<Address>) coder.getFromLocationName(value, 50);
for(Address add : adresses){
if (adresses.size()>0) {//Controls to ensure it is right address such as country etc.
longitude = add.getLongitude();
latitude = add.getLatitude();
}
}
} catch (IOException e) {
e.printStackTrace();
}
DESTINATION=new LatLng(latitude,longitude);
// check if GPS enabled
GPSTracker gpsTracker = new GPSTracker(this);
if (gpsTracker.canGetLocation())
{
double Curr_Latitude = gpsTracker.latitude;
double Curr_Longitude =gpsTracker.longitude;
SOURCE=new LatLng(Curr_Latitude,Curr_Longitude);
}
v2GetRouteDirection = new GMapV2GetRouteDirection();
SupportMapFragment supportMapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mGoogleMap = supportMapFragment.getMap();
// Enabling MyLocation in Google Map
mGoogleMap.setMyLocationEnabled(true);
mGoogleMap.getUiSettings().setZoomControlsEnabled(true);
mGoogleMap.getUiSettings().setCompassEnabled(true);
mGoogleMap.getUiSettings().setMyLocationButtonEnabled(true);
mGoogleMap.getUiSettings().setAllGesturesEnabled(true);
mGoogleMap.setTrafficEnabled(true);
mGoogleMap.animateCamera(CameraUpdateFactory.zoomTo(12));
markerOptions = new MarkerOptions();
GetRouteTask getRoute = new GetRouteTask();
getRoute.execute();
try {
// Loading map
initilizeMap();
} catch (Exception e) {
e.printStackTrace();
}
if (savedInstanceState == null) {
getSupportFragmentManager().beginTransaction()
.add(R.id.drawer_layout, new PlaceholderFragment()).commit();
}
}
}
*/
@Override
protected void onResume() {
super.onResume();
initilizeMap();
}
/**
*
* @author VIJAYAKUMAR M
* This class Get Route on the map
*
*/
private class GetRouteTask extends AsyncTask<String, Void, String> {
private ProgressDialog Dialog;
String response = "";
@Override
protected void onPreExecute() {
Dialog = new ProgressDialog(MapActivity.this);
Dialog.setMessage("Loading route...");
Dialog.show();
}
@Override
protected String doInBackground(String... urls) {
//Get All Route values
document = v2GetRouteDirection.getDocument(SOURCE, DESTINATION, GMapV2GetRouteDirection.MODE_DRIVING);
response = "Success";
return response;
}
@Override
protected void onPostExecute(String result) {
mGoogleMap.clear();
if(response.equalsIgnoreCase("Success")){
ArrayList<LatLng> directionPoint = v2GetRouteDirection.getDirection(document);
PolylineOptions rectLine = new PolylineOptions().width(5).color(
Color.BLUE);
for (int i = 0; i < directionPoint.size(); i++) {
rectLine.add(directionPoint.get(i));
}
// Adding route on the map
mGoogleMap.addPolyline(rectLine);
markerOptions.position(DESTINATION);
markerOptions.draggable(true);
mGoogleMap.addMarker(markerOptions);
mGoogleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(SOURCE,
7));
String text=v2GetRouteDirection.getTotalDistance(document);
distancetextView.setText(text);
MapActivity.estimatedDistance.setText("DISTANCE TRAVELLED "+"0 KM");
String text1=v2GetRouteDirection.getTotalDuration(document);
estimatedTime.setText("ESTIMATED TIME "+text1);
}
Dialog.dismiss();
}
}
@Override
protected void onStop() {
super.onStop();
finish();
}
/**
* Slide menu item click listener
* */
private class SlideMenuClickListener implements
ListView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
// display view for selected nav drawer item
System.out.println("--ON SLIDE CLICKED----");
sharedpreferences = getSharedPreferences("MyPREFERENCES", Context.MODE_PRIVATE);
historyPosition=sharedpreferences.getInt("historyposition", 0);
Editor editor = sharedpreferences.edit();
editor.putInt("historyposition", position);
editor.commit();
System.out.println("----The Position at which the pointer Picked--"+position);
System.out.println("----The Position at which the Prev pointer Picked--"+historyPosition);
if(historyPosition!=position){
displayView(position);
}
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.map, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
if (mDrawerToggle.onOptionsItemSelected(item)) {
return true;
}
// Handle action bar actions click
switch (item.getItemId()) {
case R.id.action_settings:
return true;
default:
return super.onOptionsItemSelected(item);
}
}
/* *
* Called when invalidateOptionsMenu() is triggered
*/
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// if nav drawer is opened, hide the action items
boolean drawerOpen = mDrawerLayout.isDrawerOpen(mDrawerList);
menu.findItem(R.id.action_settings).setVisible(!drawerOpen);
return super.onPrepareOptionsMenu(menu);
}
/**
* Diplaying fragment view for selected nav drawer list item
* */
private void displayView(int position) {
// update the main content by replacing fragments
Fragment fragment = null;
switch (position) {
case 0:
fragment =new HomeFragment();
break;
case 1:
fragment = new FindPeopleFragment();
break;
case 2:
fragment = new PhotosFragment();
break;
case 3:
fragment = new CommunityFragment();
break;
case 4:
fragment = new PagesFragment();
break;
case 5:
fragment = new WhatsHotFragment();
break;
default:
break;
}
if (fragment != null) {
FragmentManager fragmentManager = getSupportFragmentManager();
fragmentManager.beginTransaction()
.replace(R.id.frame_container, fragment).commit();
// update selected item and title, then close the drawer
mDrawerList.setItemChecked(position, true);
mDrawerList.setSelection(position);
setTitle(navMenuTitles[position]);
mDrawerLayout.closeDrawer(mDrawerList);
} else {
// error in creating fragment
Log.e("MainActivity", "Error in creating fragment");
}
}
@Override
public void setTitle(CharSequence title) {
mTitle = title;
getSupportActionBar().setTitle(mTitle);
}
/**
* When using the ActionBarDrawerToggle, you must call it during
* onPostCreate() and onConfigurationChanged()...
*/
@Override
protected void onPostCreate(Bundle savedInstanceState) {
super.onPostCreate(savedInstanceState);
// Sync the toggle state after onRestoreInstanceState has occurred.
mDrawerToggle.syncState();
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Pass any configuration change to the drawer toggls
mDrawerToggle.onConfigurationChanged(newConfig);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment {
public PlaceholderFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_map, container,
false);
return rootView;
}
}
}
My map_layout file
<android.support.v4.widget.DrawerLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!-- Framelayout to display Fragments -->
<FrameLayout
android:id="@+id/frame_container"
android:layout_width="match_parent"
android:layout_height="match_parent" />
<com.vysystems.travelgo.slidinguppanel.SlidingUpPanelLayout
android:id="@+id/sliding_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="bottom">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<fragment
android:id="@+id/map"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:name="com.google.android.gms.maps.SupportMapFragment"
/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#eeeeee"
android:orientation="vertical"
android:clickable="true"
android:focusable="false">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="68dp"
android:orientation="horizontal">
<TextView
android:id="@+id/name"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="14sp"
android:gravity="center_vertical"
android:text="TOTAL DISTANCE "
android:paddingLeft="10dp"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/name11"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:textSize="14sp"
android:gravity="center_vertical"
android:paddingLeft="10dp"
android:textAppearance="?android:attr/textAppearanceLarge" />
</LinearLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginTop="24dp"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/textView1"
android:layout_marginTop="24dp"
android:textAppearance="?android:attr/textAppearanceLarge" />
<TextView
android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/textView2"
android:layout_marginTop="23dp"
android:textAppearance="?android:attr/textAppearanceLarge" />
</RelativeLayout>
</LinearLayout>
</com.vysystems.travelgo.slidinguppanel.SlidingUpPanelLayout>
<!-- Listview to display slider menu -->
<ListView
android:id="@+id/list_slidermenu"
android:layout_width="240dp"
android:layout_height="match_parent"
android:layout_gravity="start"
android:choiceMode="singleChoice"
android:divider="@color/list_divider"
android:dividerHeight="1dp"
android:listSelector="@drawable/list_selector"
android:background="@color/list_background"/>
</android.support.v4.widget.DrawerLayout>
Solution
Tabs should be placed along the top of an app, below the action bar - as stated in the android design guidelines.
Please spend some time looking at these guidelines for tabs here (and the rest of the guidelines), they're essential for developing android apps!
