Use lifecycleScope

app/build.gradle

@@ -80,6 +80,7 @@ dependencies {
     implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycle_common_java8_version"
     implementation "androidx.lifecycle:lifecycle-extensions:$lifecycle_extensions_version"
     implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_viewmodel_ktx_version"
+    implementation "androidx.lifecycle:lifecycle-runtime-ktx:$lifecycle_runtime_version"
     implementation "androidx.constraintlayout:constraintlayout:$constraint_layout_version"
     implementation "androidx.room:room-runtime:$room_version"
     implementation "androidx.documentfile:documentfile:$documentfile_version"

app/src/main/java/com/dp/logcatapp/fragments/base/BaseFragment.kt

@@ -4,8 +4,13 @@ import android.os.Bundle
 import android.os.Handler
 import android.os.Looper
 import androidx.fragment.app.Fragment
+import androidx.lifecycle.lifecycleScope
 
 open class BaseFragment : Fragment() {
+
+    protected val scope
+        get() = viewLifecycleOwner.lifecycleScope
+
     protected lateinit var handler: Handler
         private set
 

app/src/main/java/com/dp/logcatapp/fragments/logcatlive/LogcatLiveFragment.kt

@@ -76,8 +76,6 @@ class LogcatLiveFragment : BaseFragment(), ServiceConnection, LogsReceivedListen
     private var lastSearchRunnable: Runnable? = null
     private var searchTask: Job? = null
 
-    private val scope = LifecycleScope()
-
     private val hideFabUpRunnable: Runnable = Runnable {
         fabUp.hide()
     }
@@ -198,9 +196,6 @@ class LogcatLiveFragment : BaseFragment(), ServiceConnection, LogsReceivedListen
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-
-        viewLifecycleOwner.lifecycle.addObserver(scope)
-
         recyclerView = view.findViewById(R.id.recyclerView)
         linearLayoutManager = LinearLayoutManager(activity)
         recyclerView.layoutManager = linearLayoutManager
@@ -560,11 +555,6 @@ class LogcatLiveFragment : BaseFragment(), ServiceConnection, LogsReceivedListen
         lastSearchRunnable = null
     }
 
-    override fun onDestroyView() {
-        viewLifecycleOwner.lifecycle.removeObserver(scope)
-        super.onDestroyView()
-    }
-
     override fun onDestroy() {
         super.onDestroy()
         activity!!.getDefaultSharedPreferences().unregisterOnSharedPreferenceChangeListener(adapter)

app/src/main/java/com/dp/logcatapp/fragments/savedlogs/SavedLogsFragment.kt

@@ -59,8 +59,6 @@ class SavedLogsFragment : BaseFragment(), View.OnClickListener, View.OnLongClick
 
     private var exportFormat: ExportFormat? = null
 
-    private val scope = LifecycleScope()
-
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         viewModel = getAndroidViewModel()
@@ -75,9 +73,6 @@ class SavedLogsFragment : BaseFragment(), View.OnClickListener, View.OnLongClick
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-
-        viewLifecycleOwner.lifecycle.addObserver(scope)
-
         emptyView = view.findViewById(R.id.textViewEmpty)
         progressBar = view.findViewById(R.id.progressBar)
 
@@ -376,11 +371,6 @@ class SavedLogsFragment : BaseFragment(), View.OnClickListener, View.OnLongClick
         (activity as SavedLogsActivity).closeCabToolbar()
     }
 
-    override fun onDestroyView() {
-        viewLifecycleOwner.lifecycle.removeObserver(scope)
-        super.onDestroyView()
-    }
-
     class ChooseExportFormatTypeDialogFragment : BaseDialogFragment() {
         private var exportFormat = ExportFormat.DEFAULT
 

app/src/main/java/com/dp/logcatapp/fragments/savedlogsviewer/SavedLogsViewerFragment.kt

@@ -15,7 +15,10 @@ import com.dp.logcatapp.R
 import com.dp.logcatapp.activities.BaseActivityWithToolbar
 import com.dp.logcatapp.fragments.base.BaseFragment
 import com.dp.logcatapp.fragments.shared.dialogs.CopyToClipboardDialogFragment
-import com.dp.logcatapp.util.*
+import com.dp.logcatapp.util.containsIgnoreCase
+import com.dp.logcatapp.util.getAndroidViewModel
+import com.dp.logcatapp.util.inflateLayout
+import com.dp.logcatapp.util.showToast
 import com.google.android.material.floatingactionbutton.FloatingActionButton
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Job
@@ -37,8 +40,6 @@ class SavedLogsViewerFragment : BaseFragment() {
         }
     }
 
-    private val scope = LifecycleScope()
-
     private lateinit var recyclerView: RecyclerView
     private lateinit var linearLayoutManager: LinearLayoutManager
     private lateinit var viewModel: SavedLogsViewerViewModel
@@ -168,8 +169,6 @@ class SavedLogsViewerFragment : BaseFragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
-        viewLifecycleOwner.lifecycle.addObserver(scope)
-
         progressBar = view.findViewById(R.id.progressBar)
         textViewEmpty = view.findViewById(R.id.textViewEmpty)
 
@@ -322,11 +321,6 @@ class SavedLogsViewerFragment : BaseFragment() {
         lastSearchRunnable = null
     }
 
-    override fun onDestroyView() {
-        viewLifecycleOwner.lifecycle.removeObserver(scope)
-        super.onDestroyView()
-    }
-
     override fun onDestroy() {
         super.onDestroy()
         (activity as BaseActivityWithToolbar).toolbar.subtitle = null

build.gradle

@@ -30,6 +30,7 @@ ext {
     preference_version = "1.1.0"
     legacy_preference_v14_version = "1.0.0"
     lifecycle_common_java8_version = "2.2.0"
+    lifecycle_runtime_version = "2.2.0"
     lifecycle_extensions_version = "2.2.0"
     lifecycle_viewmodel_ktx_version = "2.2.0"
     constraint_layout_version = "1.1.3"