Added simple ui blocks for whenever connection drops out

app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.kt

@@ -4,6 +4,7 @@ import android.content.Intent
 import android.os.Bundle
 import androidx.core.view.GravityCompat
 import androidx.fragment.app.Fragment
+import com.skoumal.teanity.extensions.addOnPropertyChangedCallback
 import com.topjohnwu.magisk.ClassMap
 import com.topjohnwu.magisk.Config
 import com.topjohnwu.magisk.Const.Key.OPEN_SECTION
@@ -20,7 +21,6 @@ import com.topjohnwu.magisk.ui.module.ReposFragment
 import com.topjohnwu.magisk.ui.settings.SettingsFragment
 import com.topjohnwu.magisk.ui.superuser.SuperuserFragment
 import com.topjohnwu.magisk.utils.Utils
-import com.topjohnwu.magisk.net.Networking
 import com.topjohnwu.superuser.Shell
 import org.koin.androidx.viewmodel.ext.android.viewModel
 import kotlin.reflect.KClass
@@ -57,6 +57,10 @@ open class MainActivity : MagiskActivity<MainViewModel, ActivityMainBinding>() {
         checkHideSection()
         setSupportActionBar(binding.mainInclude.mainToolbar)
 
+        viewModel.isConnected.addOnPropertyChangedCallback {
+            checkHideSection()
+        }
+
         if (savedInstanceState == null) {
             intent.getStringExtra(OPEN_SECTION)?.let {
                 onEventDispatched(Navigation.fromSection(it))
@@ -110,7 +114,7 @@ open class MainActivity : MagiskActivity<MainViewModel, ActivityMainBinding>() {
         menu.findItem(R.id.modulesFragment).isVisible =
             Shell.rootAccess() && Info.magiskVersionCode >= 0
         menu.findItem(R.id.reposFragment).isVisible =
-            (Networking.checkNetworkStatus(this) && Shell.rootAccess() && Info.magiskVersionCode >= 0)
+            (viewModel.isConnected.value && Shell.rootAccess() && Info.magiskVersionCode >= 0)
         menu.findItem(R.id.logFragment).isVisible =
             Shell.rootAccess()
         menu.findItem(R.id.superuserFragment).isVisible =

app/src/main/java/com/topjohnwu/magisk/ui/home/HomeViewModel.kt

@@ -25,7 +25,10 @@ class HomeViewModel(
     val isForceEncryption = KObservableField(Info.keepEnc)
     val isKeepVerity = KObservableField(Info.keepVerity)
 
-    val magiskState = KObservableField(MagiskState.LOADING)
+    private val _magiskState = KObservableField(MagiskState.LOADING)
+    val magiskState = Observer(_magiskState, isConnected) {
+        if (isConnected.value) _magiskState.value else MagiskState.UP_TO_DATE
+    }
     val magiskStateText = Observer(magiskState) {
         when (magiskState.value) {
             MagiskState.NO_ROOT -> TODO()
@@ -44,7 +47,10 @@ class HomeViewModel(
             ""
     }
 
-    val managerState = KObservableField(MagiskState.LOADING)
+    private val _managerState = KObservableField(MagiskState.LOADING)
+    val managerState = Observer(_managerState, isConnected) {
+        if (isConnected.value) _managerState.value else MagiskState.UP_TO_DATE
+    }
     val managerStateText = Observer(managerState) {
         when (managerState.value) {
             MagiskState.NO_ROOT -> "wtf"
@@ -89,6 +95,9 @@ class HomeViewModel(
         isKeepVerity.addOnPropertyChangedCallback {
             Info.keepVerity = it ?: return@addOnPropertyChangedCallback
         }
+        isConnected.addOnPropertyChangedCallback {
+            if (it == true) refresh()
+        }
 
         refresh()
     }
@@ -154,8 +163,8 @@ class HomeViewModel(
         magiskRepo.fetchUpdate()
             .applyViewModel(this)
             .doOnSubscribeUi {
-                magiskState.value = MagiskState.LOADING
+                _magiskState.value = MagiskState.LOADING
-                managerState.value = MagiskState.LOADING
+                _managerState.value = MagiskState.LOADING
                 ctsState.value = SafetyNetState.IDLE
                 basicIntegrityState.value = SafetyNetState.IDLE
                 safetyNetTitle.value = R.string.safetyNet_check_text
@@ -170,7 +179,7 @@ class HomeViewModel(
 
     private fun updateSelf() {
         state = State.LOADED
-        magiskState.value = when (Info.magiskVersionCode) {
+        _magiskState.value = when (Info.magiskVersionCode) {
             in Int.MIN_VALUE until 0 -> MagiskState.NOT_INSTALLED
             !in Info.remote.magisk.versionCode..Int.MAX_VALUE -> MagiskState.OBSOLETE
             else -> MagiskState.UP_TO_DATE
@@ -185,7 +194,7 @@ class HomeViewModel(
         magiskLatestVersion.value = version
             .format(Info.remote.magisk.version, Info.remote.magisk.versionCode)
 
-        managerState.value = when (Info.remote.app.versionCode) {
+        _managerState.value = when (Info.remote.app.versionCode) {
             in Int.MIN_VALUE until 0 -> MagiskState.NOT_INSTALLED //wrong update channel
             in (BuildConfig.VERSION_CODE + 1)..Int.MAX_VALUE -> MagiskState.OBSOLETE
             else -> MagiskState.UP_TO_DATE

app/src/main/java/com/topjohnwu/magisk/utils/DataBindingAdapters.kt

@@ -215,4 +215,9 @@ fun setScrollListener(view: RecyclerView, listener: InverseBindingListener) {
 @InverseBindingAdapter(attribute = "scrollPosition", event = "recyclerScrollEvent")
 fun getScrollPosition(view: RecyclerView) = (view.layoutManager as? LinearLayoutManager)
     ?.findLastCompletelyVisibleItemPosition()
-    ?: -1
+    ?: -1
+
+@BindingAdapter("isEnabled")
+fun setEnabled(view: View, isEnabled: Boolean) {
+    view.isEnabled = isEnabled
+}

app/src/main/res/layout/fragment_magisk.xml

@@ -66,8 +66,8 @@
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:layout_gravity="center_vertical"
-                        android:paddingBottom="10dp"
                         android:paddingTop="10dp"
+                        android:paddingBottom="10dp"
                         android:text="@string/app_name"
                         android:textAppearance="@style/TextAppearance.AppCompat.Headline"
                         app:layout_constraintBottom_toBottomOf="parent"
@@ -194,7 +194,7 @@
                     android:layout_margin="@dimen/margin_generic" />
 
                 <LinearLayout
-                    gone="@{!viewModel.hasRoot}"
+                    gone="@{!viewModel.hasRoot || !viewModel.isConnected}"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
                     android:orientation="vertical">
@@ -202,8 +202,8 @@
                     <androidx.constraintlayout.widget.ConstraintLayout
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
-                        android:paddingBottom="@dimen/margin_generic_half"
+                        android:paddingTop="@dimen/margin_generic_half"
-                        android:paddingTop="@dimen/margin_generic_half">
+                        android:paddingBottom="@dimen/margin_generic_half">
 
                         <ImageView
                             android:id="@+id/sn_logo"

app/src/main/res/layout/include_update_card.xml

@@ -7,6 +7,8 @@
 
         <import type="com.topjohnwu.magisk.ui.home.MagiskState" />
 
+        <import type="com.topjohnwu.magisk.ui.home.MagiskItem" />
+
         <import type="com.topjohnwu.magisk.R" />
 
         <variable
@@ -49,7 +51,7 @@
         <com.google.android.material.button.MaterialButton
             android:id="@+id/install"
             style="@style/Widget.Button.Text"
-            gone="@{state == MagiskState.LOADING}"
+            gone="@{state == MagiskState.LOADING || !viewModel.isConnected}"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginEnd="8dp"
@@ -118,7 +120,7 @@
 
         <androidx.appcompat.widget.AppCompatTextView
             android:id="@+id/latest_version"
-            gone="@{currentVersion == latestVersion}"
+            gone="@{currentVersion == latestVersion || !viewModel.isConnected}"
             android:layout_width="0dp"
             style="@style/Widget.Text.Caption.Inactive"
             android:layout_height="wrap_content"

app/src/main/res/layout/item_repo.xml

@@ -106,6 +106,8 @@
             <androidx.appcompat.widget.AppCompatImageView
                 android:id="@+id/download"
                 style="@style/Widget.Icon"
+                isEnabled="@{viewModel.isConnected}"
+                android:alpha="@{viewModel.isConnected ? 1f : .2f}"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_vertical"