- Renamed the package Name

- Update some features
- Fix some bugs

src/main/kotlin/com/michatec/store/service/Connection.kt

@@ -0,0 +1,41 @@
+package com.michatec.store.service
+
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import android.content.ServiceConnection
+import android.os.IBinder
+
+class Connection<B: IBinder, S: ConnectionService<B>>(private val serviceClass: Class<S>,
+  private val onBind: ((Connection<B, S>, B) -> Unit)? = null,
+  private val onUnbind: ((Connection<B, S>, B) -> Unit)? = null): ServiceConnection {
+  var binder: B? = null
+    private set
+
+  private fun handleUnbind() {
+    binder?.let {
+      binder = null
+      onUnbind?.invoke(this, it)
+    }
+  }
+
+  override fun onServiceConnected(componentName: ComponentName, binder: IBinder) {
+    @Suppress("UNCHECKED_CAST")
+    binder as B
+    this.binder = binder
+    onBind?.invoke(this, binder)
+  }
+
+  override fun onServiceDisconnected(componentName: ComponentName) {
+    handleUnbind()
+  }
+
+  fun bind(context: Context) {
+    context.bindService(Intent(context, serviceClass), this, Context.BIND_AUTO_CREATE)
+  }
+
+  fun unbind(context: Context) {
+    context.unbindService(this)
+    handleUnbind()
+  }
+}