init

app/src/main/java/com/base/locationsharewhite/ui/locationmap/LocationMapActivity.kt

@@ -22,7 +22,9 @@ import com.google.android.gms.maps.model.LatLng
 import com.google.android.gms.maps.model.Marker
 import com.google.android.gms.maps.model.MarkerOptions
 import com.google.android.gms.maps.model.PolylineOptions
+import kotlinx.coroutines.Job
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
 
 
@@ -83,9 +85,10 @@ class LocationMapActivity : BaseActivity<ActivityLocationMapBinding>(), OnMapRea
         val chunxilu = LatLng(30.655782251943407, 104.07701072527895)
         initMyAndFriendLocation(chunxilu)
 
+        sharingLocationJob()
     }
 
-    fun resetMyLocation() {
+    private fun resetMyLocation() {
         val myLatLng: LatLng = getLastKnowLatLng()
         myMarker?.position = myLatLng
         map?.moveCamera(CameraUpdateFactory.newLatLngZoom(myLatLng, 15f))
@@ -162,4 +165,41 @@ class LocationMapActivity : BaseActivity<ActivityLocationMapBinding>(), OnMapRea
         })
     }
 
+
+    private var sharingJob: Job? = null
+    fun sharingLocationJob() {
+        if (sharingJob == null) {
+
+            myMarker ?: return
+            friendMarker ?: return
+
+            var i = 0f
+            var j = 0f
+            sharingJob = lifecycleScope.launch {
+                while (isActive) {
+                    i += 0.001f
+                    j += 0.001f
+
+                    val myLatLng = getLastKnowLatLng()
+                    myMarker?.position = myLatLng
+                    //上传我的位置,获取friend位置
+                    val friendLatLng = LatLng(30.655782251943407 + i, 104.07701072527895 + j)
+                    friendMarker?.position = friendLatLng
+
+                    delay(1 * 1000L)
+                }
+            }
+        }
+    }
+
+    private fun cancelSharingJob() {
+        sharingJob?.cancel()
+        sharingJob = null
+    }
+
+    override fun onPause() {
+        super.onPause()
+        cancelSharingJob()
+    }
+
 }
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