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jjimenezTrimblejjimenezTrimble
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MBSDK-2282: zoom to bounds of a set of locations
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‎android/MapsSDKExamplesKotlin/app/src/main/AndroidManifest.xml‎

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<activity
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android:name=".SampleRestrictUserInteractionActivity"
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android:exported="false" />
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<activity
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android:name=".SampleFramingActivity"
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android:exported="false" />
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<activity
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android:name=".MainActivity"
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android:exported="false"

‎android/MapsSDKExamplesKotlin/app/src/main/java/com/trimblemaps/mapssdkexampleskotlin/MainActivity.kt‎

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@@ -37,7 +37,9 @@ class MainActivity : Activity() {
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Example(Constants.REGIONAL_MAP, R.drawable.van_nav_splash, SampleRegionalMapActivity::class.java),
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Example(Constants.HIGHLIGHT_FEATURES, R.drawable.general_splash,
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SampleHighlightFeaturesAfterPanningActivity::class.java),
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Example(Constants.RESTRICT_INTERACTION, R.drawable.van_nav_splash, SampleRestrictUserInteractionActivity::class.java)
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Example(Constants.RESTRICT_INTERACTION, R.drawable.van_nav_splash, SampleRestrictUserInteractionActivity::class
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.java),
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Example(Constants.FRAME_LOCATIONS, R.drawable.general_splash, SampleFramingActivity::class.java)
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)
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private lateinit var binding: ActivityMainBinding

‎android/MapsSDKExamplesKotlin/app/src/main/java/com/trimblemaps/mapssdkexampleskotlin/SampleFramingActivity.kt‎

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package com.trimblemaps.mapssdkexampleskotlin
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import android.app.Activity
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import android.graphics.Color
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import android.os.Bundle
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import android.view.View
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import android.widget.Button
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import com.trimblemaps.geojson.FeatureCollection
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import com.trimblemaps.geojson.LineString
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import com.trimblemaps.geojson.Point
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import com.trimblemaps.mapsdk.TrimbleMaps
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import com.trimblemaps.mapsdk.camera.CameraPosition
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import com.trimblemaps.mapsdk.camera.CameraUpdate
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import com.trimblemaps.mapsdk.geometry.LatLng
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import com.trimblemaps.mapsdk.maps.MapView
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import com.trimblemaps.mapsdk.maps.Style
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import com.trimblemaps.mapsdk.maps.TrimbleMapsMap
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import com.trimblemaps.mapsdk.style.layers.LineLayer
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import com.trimblemaps.mapsdk.style.layers.PropertyFactory
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import com.trimblemaps.mapsdk.style.sources.GeoJsonSource
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import com.trimblemaps.mapsdk.plugins.places.common.utils.CameraUtils
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import java.io.InputStreamReader
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class SampleFramingActivity : Activity(), Style.OnStyleLoaded {
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private var mapView: MapView? = null
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private var map: TrimbleMapsMap? = null
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private var currentIndex = 0
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private val SOURCE_ID = "linesource"
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private val LAYER_ID = "linelayer"
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private lateinit var allLines: List<LineString>
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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// Get an instance of the map, done before the layout is set.
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TrimbleMaps.getInstance(this)
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setContentView(R.layout.activity_sample_framing)
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// Set up the MapView from the layout
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mapView = findViewById<View>(R.id.mapView) as MapView
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// the onMapReadyCallback is fired when the map is ready to be worked with
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mapView?.getMapAsync { trimbleMapsMap ->
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map = trimbleMapsMap
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val position = CameraPosition.Builder()
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.target(LatLng(40.60902838712187, -97.73800045737227))
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.zoom(2.5)
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.build()
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map?.cameraPosition = position
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map?.setStyle(Style.MOBILE_DAY, this@SampleFramingActivity)
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}
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// When the button is clicked, cycle through the lines using trimbleMapsMap.moveCamera
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findViewById<Button>(R.id.btn_cycleLocations).setOnClickListener {
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map?.let { trimbleMapsMap ->
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if (allLines.isNotEmpty()) {
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val selectedLine = allLines[currentIndex]
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val pointList = selectedLine.coordinates().map { point ->
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Point.fromLngLat(point.longitude(), point.latitude())
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}
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val update: CameraUpdate? = CameraUtils.frameLocationOrPolygon(
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null, // No specific location to frame
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pointList
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)
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if (update != null) {
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trimbleMapsMap.moveCamera(update)
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}
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currentIndex = (currentIndex + 1) % allLines.size
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}
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}
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}
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// When the button is clicked, cycle through the lines using trimbleMapsMap.easeCamera
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findViewById<Button>(R.id.btn_easeCamera).setOnClickListener {
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map?.let { trimbleMapsMap ->
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if (allLines.isNotEmpty()) {
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val selectedLine = allLines[currentIndex]
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val pointList = selectedLine.coordinates().map { point ->
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Point.fromLngLat(point.longitude(), point.latitude())
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}
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val update: CameraUpdate? = CameraUtils.frameLocationOrPolygon(
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null, // No specific location to frame
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pointList
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)
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if (update != null) {
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trimbleMapsMap.easeCamera(update)
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}
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currentIndex = (currentIndex + 1) % allLines.size
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}
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}
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}
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}
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override fun onStyleLoaded(style: Style) {
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// Load lines from the GeoJson file
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try {
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val inputStream = assets.open("lines.json")
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val geoJson = InputStreamReader(inputStream).readText()
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val featureCollection = FeatureCollection.fromJson(geoJson)
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allLines = featureCollection.features()?.mapNotNull { feature ->
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feature.geometry() as? LineString
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} ?: emptyList()
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// Create a GeoJsonSource with the loaded data
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val source = GeoJsonSource(SOURCE_ID, featureCollection)
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style.addSource(source)
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// Create a LineLayer to display our source information.
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val lineLayer = LineLayer(LAYER_ID, SOURCE_ID)
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lineLayer.setProperties(
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PropertyFactory.lineWidth(6f),
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PropertyFactory.lineColor(Color.BLUE),
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PropertyFactory.lineOpacity(.8f)
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)
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// Add the layer
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style.addLayer(lineLayer)
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} catch (e: Exception) {
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e.printStackTrace()
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}
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}
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override fun onStart() {
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super.onStart()
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mapView?.onStart()
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}
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override fun onResume() {
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super.onResume()
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mapView?.onResume()
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}
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override fun onPause() {
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super.onPause()
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mapView?.onPause()
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}
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override fun onStop() {
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super.onStop()
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mapView?.onStop()
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}
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override fun onLowMemory() {
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super.onLowMemory()
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mapView?.onLowMemory()
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}
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override fun onDestroy() {
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super.onDestroy()
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mapView?.onDestroy()
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}
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override fun onSaveInstanceState(outState: Bundle) {
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if (outState != null) {
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super.onSaveInstanceState(outState)
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mapView?.onSaveInstanceState(outState)
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}
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}
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}

‎android/MapsSDKExamplesKotlin/app/src/main/java/com/trimblemaps/mapssdkexampleskotlin/shared/Constants.kt‎

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const val REGIONAL_MAP = "Regional Map"
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const val HIGHLIGHT_FEATURES = "Highlight Features"
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const val RESTRICT_INTERACTION = "Restrict Interaction"
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const val FRAME_LOCATIONS = "Frame Locations"
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}
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‎android/MapsSDKExamplesKotlin/app/src/main/res/layout/activity_sample_framing.xml‎

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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical">
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<com.trimblemaps.mapsdk.maps.MapView
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android:id="@+id/mapView"
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android:layout_width="match_parent"
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android:layout_height="0dp"
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android:layout_weight="1" />
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="horizontal">
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<Button
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android:id="@+id/btn_cycleLocations"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:text="moveCamera()"
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android:textAllCaps="false" />
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<Button
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android:id="@+id/btn_easeCamera"
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android:layout_width="0dp"
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android:layout_height="wrap_content"
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android:layout_weight="1"
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android:text="easeCamera()"
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android:textAllCaps="false" />
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</LinearLayout>
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</LinearLayout>

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