OnMarkerClickListener,

OnInfoWindowClickListener,

OnMarkerDragListener,

OnSeekBarChangeListener,

OnInfoWindowLongClickListener,

OnInfoWindowCloseListener,

OnMapAndViewReadyListener.OnGlobalLayoutAndMapReadyListener {

private static final LatLng BRISBANE = new LatLng(-27.47093, 153.0235);

private static final LatLng MELBOURNE = new LatLng(-37.81319, 144.96298);

private static final LatLng DARWIN = new LatLng(-12.4634, 130.8456);

private static final LatLng SYDNEY = new LatLng(-33.87365, 151.20689);

private static final LatLng ADELAIDE = new LatLng(-34.92873, 138.59995);

private static final LatLng PERTH = new LatLng(-31.952854, 115.857342);

private static final LatLng ALICE_SPRINGS = new LatLng(-24.6980, 133.8807);

/** Demonstrates customizing the info window and/or its contents. */

class CustomInfoWindowAdapter implements InfoWindowAdapter {

// These are both viewgroups containing an ImageView with id "badge" and two TextViews with id

// "title" and "snippet".

private final View mWindow;

private final View mContents;

CustomInfoWindowAdapter() {

mWindow = getLayoutInflater().inflate(R.layout.custom_info_window, null);

mContents = getLayoutInflater().inflate(R.layout.custom_info_contents, null);

}

@Override

public View getInfoWindow(Marker marker) {

if (mOptions.getCheckedRadioButtonId() != R.id.custom_info_window) {

// This means that getInfoContents will be called.

return null;

}

render(marker, mWindow);

return mWindow;

}

@Override

public View getInfoContents(Marker marker) {

if (mOptions.getCheckedRadioButtonId() != R.id.custom_info_contents) {

// This means that the default info contents will be used.

return null;

}

render(marker, mContents);

return mContents;

}

private void render(Marker marker, View view) {

int badge;

// Use the equals() method on a Marker to check for equals. Do not use ==.

if (marker.equals(mBrisbane)) {

badge = R.drawable.badge_qld;

} else if (marker.equals(mAdelaide)) {

badge = R.drawable.badge_sa;

} else if (marker.equals(mSydney)) {

badge = R.drawable.badge_nsw;

} else if (marker.equals(mMelbourne)) {

badge = R.drawable.badge_victoria;

} else if (marker.equals(mPerth)) {

badge = R.drawable.badge_wa;

} else if (marker.equals(mDarwin1)) {

badge = R.drawable.badge_nt;

} else if (marker.equals(mDarwin2)) {

badge = R.drawable.badge_nt;

} else if (marker.equals(mDarwin3)) {

badge = R.drawable.badge_nt;

} else if (marker.equals(mDarwin4)) {

badge = R.drawable.badge_nt;

} else {

// Passing 0 to setImageResource will clear the image view.

badge = 0;

}

((ImageView) view.findViewById(R.id.badge)).setImageResource(badge);

String title = marker.getTitle();

TextView titleUi = ((TextView) view.findViewById(R.id.title));

if (title != null) {

// Spannable string allows us to edit the formatting of the text.

SpannableString titleText = new SpannableString(title);

titleText.setSpan(new ForegroundColorSpan(Color.RED), 0, titleText.length(), 0);

titleUi.setText(titleText);

} else {

titleUi.setText("");

}

String snippet = marker.getSnippet();

TextView snippetUi = ((TextView) view.findViewById(R.id.snippet));

if (snippet != null && snippet.length() > 12) {

SpannableString snippetText = new SpannableString(snippet);

snippetText.setSpan(new ForegroundColorSpan(Color.MAGENTA), 0, 10, 0);

snippetText.setSpan(new ForegroundColorSpan(Color.BLUE), 12, snippet.length(), 0);

snippetUi.setText(snippetText);

} else {

snippetUi.setText("");

}

}

}

private GoogleMap mMap;

private Marker mPerth;

private Marker mSydney;

private Marker mBrisbane;

private Marker mAdelaide;

private Marker mMelbourne;

private Marker mDarwin1;

private Marker mDarwin2;

private Marker mDarwin3;

private Marker mDarwin4;

/**

* Keeps track of the last selected marker (though it may no longer be selected). This is

* useful for refreshing the info window.

*/

private Marker mLastSelectedMarker;

private final List<Marker> mMarkerRainbow = new ArrayList<Marker>();

private TextView mTopText;

private SeekBar mRotationBar;

private CheckBox mFlatBox;

private RadioGroup mOptions;

private final Random mRandom = new Random();

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.marker_demo);

mTopText = (TextView) findViewById(R.id.top_text);

mRotationBar = (SeekBar) findViewById(R.id.rotationSeekBar);

mRotationBar.setMax(360);

mRotationBar.setOnSeekBarChangeListener(this);

mFlatBox = (CheckBox) findViewById(R.id.flat);

mOptions = (RadioGroup) findViewById(R.id.custom_info_window_options);

mOptions.setOnCheckedChangeListener(new OnCheckedChangeListener() {

@Override

public void onCheckedChanged(RadioGroup group, int checkedId) {

if (mLastSelectedMarker != null && mLastSelectedMarker.isInfoWindowShown()) {

// Refresh the info window when the info window's content has changed.

mLastSelectedMarker.showInfoWindow();

}

}

});

SupportMapFragment mapFragment =

(SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);

new OnMapAndViewReadyListener(mapFragment, this);

}

@Override

public void onMapReady(GoogleMap map) {

mMap = map;

// Hide the zoom controls as the button panel will cover it.

mMap.getUiSettings().setZoomControlsEnabled(false);

// Add lots of markers to the map.

addMarkersToMap();

// Setting an info window adapter allows us to change the both the contents and look of the

// info window.

mMap.setInfoWindowAdapter(new CustomInfoWindowAdapter());

// Set listeners for marker events. See the bottom of this class for their behavior.

mMap.setOnMarkerClickListener(this);

mMap.setOnInfoWindowClickListener(this);

mMap.setOnMarkerDragListener(this);

mMap.setOnInfoWindowCloseListener(this);

mMap.setOnInfoWindowLongClickListener(this);

// Override the default content description on the view, for accessibility mode.

// Ideally this string would be localised.

mMap.setContentDescription("Map with lots of markers.");

LatLngBounds bounds = new LatLngBounds.Builder()

.include(PERTH)

.include(SYDNEY)

.include(ADELAIDE)

.include(BRISBANE)

.include(MELBOURNE)

.include(DARWIN)

.build();

mMap.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds, 50));

}

private void addMarkersToMap() {

// Uses a colored icon.

mBrisbane = mMap.addMarker(new MarkerOptions()

.position(BRISBANE)

.title("Brisbane")

.snippet("Population: 2,074,200")

.icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_AZURE)));

// Uses a custom icon with the info window popping out of the center of the icon.

mSydney = mMap.addMarker(new MarkerOptions()

.position(SYDNEY)

.title("Sydney")

.snippet("Population: 4,627,300")

.icon(BitmapDescriptorFactory.fromResource(R.drawable.arrow))

.infoWindowAnchor(0.5f, 0.5f));

// Creates a draggable marker. Long press to drag.

mMelbourne = mMap.addMarker(new MarkerOptions()

.position(MELBOURNE)

.title("Melbourne")

.snippet("Population: 4,137,400")

.draggable(true));

// Place four markers on top of each other with differing z-indexes.

mDarwin1 = mMap.addMarker(new MarkerOptions()

.position(DARWIN)

.title("Darwin Marker 1")

.snippet("z-index 1")

.zIndex(1));

mDarwin2 = mMap.addMarker(new MarkerOptions()

.position(DARWIN)

.title("Darwin Marker 2")

.snippet("z-index 2")

.zIndex(2));

mDarwin3 = mMap.addMarker(new MarkerOptions()

.position(DARWIN)

.title("Darwin Marker 3")

.snippet("z-index 3")

.zIndex(3));

mDarwin4 = mMap.addMarker(new MarkerOptions()

.position(DARWIN)

.title("Darwin Marker 4")

.snippet("z-index 4")

.zIndex(4));

// A few more markers for good measure.

mPerth = mMap.addMarker(new MarkerOptions()

.position(PERTH)

.title("Perth")

.snippet("Population: 1,738,800"));

mAdelaide = mMap.addMarker(new MarkerOptions()

.position(ADELAIDE)

.title("Adelaide")

.snippet("Population: 1,213,000"));

// Vector drawable resource as a marker icon.

mMap.addMarker(new MarkerOptions()

.position(ALICE_SPRINGS)

.icon(vectorToBitmap(R.drawable.ic_android, Color.parseColor("#A4C639")))

.title("Alice Springs"));

// Creates a marker rainbow demonstrating how to create default marker icons of different

// hues (colors).

float rotation = mRotationBar.getProgress();

boolean flat = mFlatBox.isChecked();

int numMarkersInRainbow = 12;

for (int i = 0; i < numMarkersInRainbow; i++) {

Marker marker = mMap.addMarker(new MarkerOptions()

.position(new LatLng(

-30 + 10 * Math.sin(i * Math.PI / (numMarkersInRainbow - 1)),

135 - 10 * Math.cos(i * Math.PI / (numMarkersInRainbow - 1))))

.title("Marker " + i)

.icon(BitmapDescriptorFactory.defaultMarker(i * 360 / numMarkersInRainbow))

.flat(flat)

.rotation(rotation));

mMarkerRainbow.add(marker);

}

}

/**

* Demonstrates converting a {@link Drawable} to a {@link BitmapDescriptor},

* for use as a marker icon.

*/

private BitmapDescriptor vectorToBitmap(@DrawableRes int id, @ColorInt int color) {

Drawable vectorDrawable = ResourcesCompat.getDrawable(getResources(), id, null);

Bitmap bitmap = Bitmap.createBitmap(vectorDrawable.getIntrinsicWidth(),

vectorDrawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);

Canvas canvas = new Canvas(bitmap);

vectorDrawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());

DrawableCompat.setTint(vectorDrawable, color);

vectorDrawable.draw(canvas);

return BitmapDescriptorFactory.fromBitmap(bitmap);

}

private boolean checkReady() {

if (mMap == null) {

Toast.makeText(this, R.string.map_not_ready, Toast.LENGTH_SHORT).show();

return false;

}

return true;

}

/** Called when the Clear button is clicked. */

public void onClearMap(View view) {

if (!checkReady()) {

return;

}

mMap.clear();

}

/** Called when the Reset button is clicked. */

public void onResetMap(View view) {

if (!checkReady()) {

return;

}

// Clear the map because we don't want duplicates of the markers.

mMap.clear();

addMarkersToMap();

}

/** Called when the Reset button is clicked. */

public void onToggleFlat(View view) {

if (!checkReady()) {

return;

}

boolean flat = mFlatBox.isChecked();

for (Marker marker : mMarkerRainbow) {

marker.setFlat(flat);

}

}

@Override

public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {

if (!checkReady()) {

return;

}

float rotation = seekBar.getProgress();

for (Marker marker : mMarkerRainbow) {

marker.setRotation(rotation);

}

}

@Override

public void onStartTrackingTouch(SeekBar seekBar) {

// Do nothing.

}

@Override

public void onStopTrackingTouch(SeekBar seekBar) {

// Do nothing.

}

//

// Marker related listeners.

//

@Override

public boolean onMarkerClick(final Marker marker) {

if (marker.equals(mPerth)) {

// This causes the marker at Perth to bounce into position when it is clicked.

final Handler handler = new Handler();

final long start = SystemClock.uptimeMillis();

final long duration = 1500;

final Interpolator interpolator = new BounceInterpolator();

handler.post(new Runnable() {

@Override

public void run() {

long elapsed = SystemClock.uptimeMillis() - start;

float t = Math.max(

1 - interpolator.getInterpolation((float) elapsed / duration), 0);

marker.setAnchor(0.5f, 1.0f + 2 * t);

if (t > 0.0) {

// Post again 16ms later.

handler.postDelayed(this, 16);

}

}

});

} else if (marker.equals(mAdelaide)) {

// This causes the marker at Adelaide to change color and alpha.

marker.setIcon(BitmapDescriptorFactory.defaultMarker(mRandom.nextFloat() * 360));

marker.setAlpha(mRandom.nextFloat());

}

// Markers have a z-index that is settable and gettable.

float zIndex = marker.getZIndex() + 1.0f;

marker.setZIndex(zIndex);

Toast.makeText(this, marker.getTitle() + " z-index set to " + zIndex,

Toast.LENGTH_SHORT).show();

mLastSelectedMarker = marker;

// We return false to indicate that we have not consumed the event and that we wish

// for the default behavior to occur (which is for the camera to move such that the

// marker is centered and for the marker's info window to open, if it has one).

return false;

}

@Override

public void onInfoWindowClick(Marker marker) {

Toast.makeText(this, "Click Info Window", Toast.LENGTH_SHORT).show();

}

@Override

public void onInfoWindowClose(Marker marker) {

//Toast.makeText(this, "Close Info Window", Toast.LENGTH_SHORT).show();

}

@Override

public void onInfoWindowLongClick(Marker marker) {

Toast.makeText(this, "Info Window long click", Toast.LENGTH_SHORT).show();

}

@Override

public void onMarkerDragStart(Marker marker) {

mTopText.setText("onMarkerDragStart");

}

@Override

public void onMarkerDragEnd(Marker marker) {

mTopText.setText("onMarkerDragEnd");

}

@Override

public void onMarkerDrag(Marker marker) {

mTopText.setText("onMarkerDrag. Current Position: " + marker.getPosition());

}