この例では、地図上の位置をマーカーで特定します。ユーザーがマーカーをタップすると、情報ウィンドウが表示されます。
詳しくは、こちらのドキュメントをご覧ください。
始める
サンプルコードを試す前に、開発環境を構成する必要があります。 詳しくは、Maps SDK for Android のコードサンプルをご覧ください。
コードを表示する
Kotlin
class MarkerDemoActivity : AppCompatActivity(), OnMarkerClickListener, OnInfoWindowClickListener, OnMarkerDragListener, OnInfoWindowLongClickListener, OnInfoWindowCloseListener, OnMapAndViewReadyListener.OnGlobalLayoutAndMapReadyListener { private val TAG = MarkerDemoActivity::class.java.name /** This is ok to be lateinit as it is initialised in onMapReady */ private lateinit var map: GoogleMap /** * Keeps track of the last selected marker (though it may no longer be selected). This is * useful for refreshing the info window. * * Must be nullable as it is null when no marker has been selected */ private var lastSelectedMarker: Marker? = null private val markerRainbow = ArrayList<Marker>() /** map to store place names and locations */ private val places = mapOf( "BRISBANE" to LatLng(-27.47093, 153.0235), "MELBOURNE" to LatLng(-37.81319, 144.96298), "DARWIN" to LatLng(-12.4634, 130.8456), "SYDNEY" to LatLng(-33.87365, 151.20689), "ADELAIDE" to LatLng(-34.92873, 138.59995), "PERTH" to LatLng(-31.952854, 115.857342), "ALICE_SPRINGS" to LatLng(-24.6980, 133.8807) ) /** These can be lateinit as they are set in onCreate */ private lateinit var topText: TextView private lateinit var rotationBar: SeekBar private lateinit var flatBox: CheckBox private lateinit var options: RadioGroup private val random = Random() /** Demonstrates customizing the info window and/or its contents. */ internal inner class CustomInfoWindowAdapter : InfoWindowAdapter { // These are both view groups containing an ImageView with id "badge" and two // TextViews with id "title" and "snippet". private val window: View = layoutInflater.inflate(R.layout.custom_info_window, null) private val contents: View = layoutInflater.inflate(R.layout.custom_info_contents, null) override fun getInfoWindow(marker: Marker): View? { if (options.checkedRadioButtonId != R.id.custom_info_window) { // This means that getInfoContents will be called. return null } render(marker, window) return window } override fun getInfoContents(marker: Marker): View? { if (options.checkedRadioButtonId != R.id.custom_info_contents) { // This means that the default info contents will be used. return null } render(marker, contents) return contents } private fun render(marker: Marker, view: View) { val badge = when (marker.title!!) { "Brisbane" -> R.drawable.badge_qld "Adelaide" -> R.drawable.badge_sa "Sydney" -> R.drawable.badge_nsw "Melbourne" -> R.drawable.badge_victoria "Perth" -> R.drawable.badge_wa in "Darwin Marker 1".."Darwin Marker 4" -> R.drawable.badge_nt else -> 0 // Passing 0 to setImageResource will clear the image view. } view.findViewById<ImageView>(R.id.badge).setImageResource(badge) // Set the title and snippet for the custom info window val title: String? = marker.title val titleUi = view.findViewById<TextView>(R.id.title) if (title != null) { // Spannable string allows us to edit the formatting of the text. titleUi.text = SpannableString(title).apply { setSpan(ForegroundColorSpan(Color.RED), 0, length, 0) } } else { titleUi.text = "" } val snippet: String? = marker.snippet val snippetUi = view.findViewById<TextView>(R.id.snippet) if (snippet != null && snippet.length > 12) { snippetUi.text = SpannableString(snippet).apply { setSpan(ForegroundColorSpan(Color.MAGENTA), 0, 10, 0) setSpan(ForegroundColorSpan(Color.BLUE), 12, snippet.length, 0) } } else { snippetUi.text = "" } } } override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.marker_demo) topText = findViewById(R.id.top_text) rotationBar = findViewById<SeekBar>(R.id.rotationSeekBar).apply { max = 360 setOnSeekBarChangeListener(object: OnSeekBarChangeListener { /** Called when the Rotation progress bar is moved */ override fun onProgressChanged(seekBar: SeekBar?, progress: Int, fromUser: Boolean) { val rotation = seekBar?.progress?.toFloat() checkReadyThen { markerRainbow.map { it.rotation = rotation ?: 0f } } } override fun onStartTrackingTouch(p0: SeekBar?) { // do nothing } override fun onStopTrackingTouch(p0: SeekBar?) { //do nothing } } ) } flatBox = findViewById(R.id.flat) options = findViewById<RadioGroup>(R.id.custom_info_window_options).apply { setOnCheckedChangeListener { _, _ -> if (lastSelectedMarker?.isInfoWindowShown == true) { // Refresh the info window when the info window's content has changed. // must deal with the possibility that lastSelectedMarker has changed in // another thread between the null check and this line, do this with !! lastSelectedMarker?.showInfoWindow() } } } val mapFragment = supportFragmentManager.findFragmentById(R.id.map) as SupportMapFragment OnMapAndViewReadyListener(mapFragment, this) } /** * This is the callback that is triggered when the GoogleMap has loaded and is ready for use */ override fun onMapReady(googleMap: GoogleMap?) { // return early if the map was not initialised properly map = googleMap ?: return // create bounds that encompass every location we reference val boundsBuilder = LatLngBounds.Builder() // include all places we have markers for on the map places.keys.map { place -> boundsBuilder.include(places.getValue(place)) } val bounds = boundsBuilder.build() with(map) { // Hide the zoom controls as the button panel will cover it. uiSettings.isZoomControlsEnabled = false // Setting an info window adapter allows us to change the both the contents and // look of the info window. setInfoWindowAdapter(CustomInfoWindowAdapter()) // Set listeners for marker events. See the bottom of this class for their behavior. setOnMarkerClickListener(this@MarkerDemoActivity) setOnInfoWindowClickListener(this@MarkerDemoActivity) setOnMarkerDragListener(this@MarkerDemoActivity) setOnInfoWindowCloseListener(this@MarkerDemoActivity) setOnInfoWindowLongClickListener(this@MarkerDemoActivity) // Override the default content description on the view, for accessibility mode. // Ideally this string would be localised. setContentDescription("Map with lots of markers.") moveCamera(CameraUpdateFactory.newLatLngBounds(bounds, 50)) } // Add lots of markers to the googleMap. addMarkersToMap() } /** * Show all the specified markers on the map */ private fun addMarkersToMap() { val placeDetailsMap = mutableMapOf( // Uses a coloured icon "BRISBANE" to PlaceDetails( position = places.getValue("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. "SYDNEY" to PlaceDetails( position = places.getValue("SYDNEY"), title = "Sydney", snippet = "Population: 4,627,300", icon = BitmapDescriptorFactory.fromResource(R.drawable.arrow), infoWindowAnchorX = 0.5f, infoWindowAnchorY = 0.5f ), // Will create a draggable marker. Long press to drag. "MELBOURNE" to PlaceDetails( position = places.getValue("MELBOURNE"), title = "Melbourne", snippet = "Population: 4,137,400", draggable = true ), // Use a vector drawable resource as a marker icon. "ALICE_SPRINGS" to PlaceDetails( position = places.getValue("ALICE_SPRINGS"), title = "Alice Springs", icon = vectorToBitmap( R.drawable.ic_android, Color.parseColor("#A4C639")) ), // More markers for good measure "PERTH" to PlaceDetails( position = places.getValue("PERTH"), title = "Perth", snippet = "Population: 1,738,800" ), "ADELAIDE" to PlaceDetails( position = places.getValue("ADELAIDE"), title = "Adelaide", snippet = "Population: 1,213,000" ) ) // add 4 markers on top of each other in Darwin with varying z-indexes (0 until 4).map { placeDetailsMap.put( "DARWIN ${it + 1}", PlaceDetails( position = places.getValue("DARWIN"), title = "Darwin Marker ${it + 1}", snippet = "z-index initially ${it + 1}", zIndex = it.toFloat() ) ) } // place markers for each of the defined locations placeDetailsMap.keys.map { with(placeDetailsMap.getValue(it)) { map.addMarker(MarkerOptions() .position(position) .title(title) .snippet(snippet) .icon(icon) .infoWindowAnchor(infoWindowAnchorX, infoWindowAnchorY) .draggable(draggable) .zIndex(zIndex)) } } // Creates a marker rainbow demonstrating how to create default marker icons of different // hues (colors). val numMarkersInRainbow = 12 (0 until numMarkersInRainbow).mapTo(markerRainbow) { map.addMarker(MarkerOptions().apply{ position(LatLng( -30 + 10 * Math.sin(it * Math.PI / (numMarkersInRainbow - 1)), 135 - 10 * Math.cos(it * Math.PI / (numMarkersInRainbow - 1)))) title("Marker $it") icon(BitmapDescriptorFactory.defaultMarker((it * 360 / numMarkersInRainbow) .toFloat())) flat(flatBox.isChecked) rotation(rotationBar.progress.toFloat()) })!! } } /** * Demonstrates converting a [Drawable] to a [BitmapDescriptor], * for use as a marker icon. */ private fun vectorToBitmap(@DrawableRes id : Int, @ColorInt color : Int): BitmapDescriptor { val vectorDrawable: Drawable? = ResourcesCompat.getDrawable(resources, id, null) if (vectorDrawable == null) { Log.e(TAG, "Resource not found") return BitmapDescriptorFactory.defaultMarker() } val bitmap = Bitmap.createBitmap(vectorDrawable.intrinsicWidth, vectorDrawable.intrinsicHeight, Bitmap.Config.ARGB_8888) val canvas = Canvas(bitmap) vectorDrawable.setBounds(0, 0, canvas.width, canvas.height) DrawableCompat.setTint(vectorDrawable, color) vectorDrawable.draw(canvas) return BitmapDescriptorFactory.fromBitmap(bitmap) } /** Called when the Clear button is clicked. */ @Suppress("UNUSED_PARAMETER") fun onClearMap(view: View) { checkReadyThen { map.clear() } } /** Called when the Reset button is clicked. */ @Suppress("UNUSED_PARAMETER") fun onResetMap(view: View) { checkReadyThen { map.clear() addMarkersToMap() } } /** Called when the Flat check box is checked or unchecked */ @Suppress("UNUSED_PARAMETER") fun onToggleFlat(view: View) { checkReadyThen { markerRainbow.map { marker -> marker.isFlat = flatBox.isChecked } } } // // Marker related listeners. // override fun onMarkerClick(marker : Marker): Boolean { // Markers have a z-index that is settable and gettable. marker.zIndex += 1.0f Toast.makeText(this, "${marker.title} z-index set to ${marker.zIndex}", Toast.LENGTH_SHORT).show() lastSelectedMarker = marker if (marker.position == places.getValue("PERTH")) { // This causes the marker at Perth to bounce into position when it is clicked. val handler = Handler() val start = SystemClock.uptimeMillis() val duration = 1500 val interpolator = BounceInterpolator() handler.post(object : Runnable { override fun run() { val elapsed = SystemClock.uptimeMillis() - start val t = Math.max( 1 - interpolator.getInterpolation(elapsed.toFloat() / duration), 0f) marker.setAnchor(0.5f, 1.0f + 2 * t) // Post again 16ms later. if (t > 0.0) { handler.postDelayed(this, 16) } } }) } else if (marker.position == places.getValue("ADELAIDE")) { // This causes the marker at Adelaide to change color and alpha. marker.apply { setIcon(BitmapDescriptorFactory.defaultMarker(random.nextFloat() * 360)) alpha = random.nextFloat() } } // 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 fun onInfoWindowClick(marker : Marker) { Toast.makeText(this, "Click Info Window", Toast.LENGTH_SHORT).show() } override fun onInfoWindowClose(marker : Marker) { Toast.makeText(this, "Close Info Window", Toast.LENGTH_SHORT).show() } override fun onInfoWindowLongClick(marker : Marker) { Toast.makeText(this, "Info Window long click", Toast.LENGTH_SHORT).show() } override fun onMarkerDragStart(marker : Marker) { topText.text = getString(R.string.on_marker_drag_start) } override fun onMarkerDragEnd(marker : Marker) { topText.text = getString(R.string.on_marker_drag_end) } override fun onMarkerDrag(marker : Marker) { topText.text = getString(R.string.on_marker_drag, marker.position.latitude, marker.position.longitude) } /** * Checks if the map is ready, the executes the provided lambda function * * @param stuffToDo the code to be executed if the map is ready */ private fun checkReadyThen(stuffToDo : () -> Unit) { if (!::map.isInitialized) { Toast.makeText(this, R.string.map_not_ready, Toast.LENGTH_SHORT).show() } else { stuffToDo() } } }
Java
public class MarkerDemoActivity extends AppCompatActivity implements 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()); } }
サンプルのクローンを作成して実行する
このサンプルをローカルで実行するには、Git が必要です。次のコマンドで、サンプルアプリ リポジトリのクローンを作成します。
git clone git@github.com:googlemaps-samples/android-samples.git
サンプル プロジェクトを Android Studio にインポートします。
- Android Studio で、[File] > [New] > [Import Project] を選択します。
リポジトリの保存先に移動し、Kotlin または Java のプロジェクト ディレクトリを選択します。
- Kotlin:
PATH-REPO/android-samples/ApiDemos/kotlin - Java:
PATH-REPO/android-samples/ApiDemos/java
- Kotlin:
- [Open] を選択します。Android Studio が Gradle ビルドツールを使用してプロジェクトをビルドします。
- プロジェクトの
local.propertiesファイルと同じディレクトリに空のsecrets.propertiesファイルを作成します。詳しくは、API キーをプロジェクトに追加するをご覧ください。 次の文字列を
secrets.propertiesに追加し、YOUR_API_KEY を実際の API キーの値に置き換えます。MAPS_API_KEY=YOUR_API_KEY- アプリを実行します。