added example of MutableStateFlow

Author: johsoe

app/src/main/java/com/monstarlab/features/sample/SampleFragment.kt

@@ -0,0 +1,46 @@
+package com.monstarlab.features.sample
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import com.monstarlab.R
+import com.monstarlab.base.BaseFragment
+import com.monstarlab.databinding.FragmentSampleBinding
+import com.monstarlab.extensions.collectFlow
+
+class SampleFragment: BaseFragment(R.layout.fragment_sample) {
+
+    val viewModel by viewModel<SampleViewModel>()
+
+    private var _binding: FragmentSampleBinding? = null
+    private val binding get() = _binding!!
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        _binding = FragmentSampleBinding.inflate(inflater, container, false)
+        val view = binding.root
+        return view
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        collectFlow(viewModel.clickFlow) { clicks ->
+            binding.valueTextView.text = "Clicked $clicks times"
+        }
+
+        binding.theButton.setOnClickListener {
+            viewModel.clickedButton()
+        }
+    }
+}

app/src/main/java/com/monstarlab/features/sample/SampleViewModel.kt

@@ -0,0 +1,17 @@
+package com.monstarlab.features.sample
+
+import androidx.lifecycle.ViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import javax.inject.Inject
+
+class SampleViewModel @Inject constructor(
+
+): ViewModel() {
+
+    val clickFlow: MutableStateFlow<Int> = MutableStateFlow(0)
+
+    fun clickedButton() {
+        clickFlow.value++
+    }
+
+}