ktlint 0.36.0, Chromebook support, Camera for QR code scanning

.buildkite/pipeline.yml

@@ -81,7 +81,7 @@ steps:
 
   - label: "ktlint"
     command:
-      - "curl -sSLO https://github.com/pinterest/ktlint/releases/download/0.34.2/ktlint && chmod a+x ktlint"
+      - "curl -sSLO https://github.com/pinterest/ktlint/releases/download/0.36.0/ktlint && chmod a+x ktlint"
       - "./ktlint --android --experimental -v"
     plugins:
       - docker#v3.1.0:

CHANGES.md

@@ -17,9 +17,10 @@ SDK API changes ⚠️:
  - 
 
 Build 🧱:
- -
+ - Upgrade ktlint to version 0.36.0
 
 Other changes:
+ - Restore availability to Chromebooks (#932)
  - Add a [documentation](./docs/integration_tests.md) to run integration tests
 
 Changes in RiotX 0.17.0 (2020-02-27)

vector/lint.xml

@@ -6,6 +6,11 @@
     <issue id="MissingTranslation" severity="warning" />
     <issue id="TypographyEllipsis" severity="error" />
     <issue id="ImpliedQuantity" severity="warning" />
+    <issue id="IconXmlAndPng" severity="error" />
+    <issue id="IconDipSize" severity="error" />
+    <issue id="IconDuplicatesConfig" severity="error" />
+    <issue id="IconDuplicates" severity="error" />
+    <issue id="IconExpectedSize" severity="error" />
 
     <!-- UX -->
     <issue id="ButtonOrder" severity="error" />
@@ -19,6 +24,7 @@
     <issue id="InefficientWeight" severity="error" />
     <issue id="DisableBaselineAlignment" severity="error" />
     <issue id="ScrollViewSize" severity="error" />
+    <issue id="NegativeMargin" severity="error" />
 
     <!-- RTL -->
     <issue id="RtlEnabled" severity="error" />
@@ -30,9 +36,14 @@
     <issue id="SetTextI18n" severity="error" />
     <issue id="ViewConstructor" severity="error" />
     <issue id="UseValueOf" severity="error" />
+    <issue id="Recycle" severity="error" />
+    <issue id="KotlinPropertyAccess" severity="error" />
 
     <!-- Ignore error from HtmlCompressor lib -->
     <issue id="InvalidPackage">
-        <ignore path="**/htmlcompressor-1.4.jar"/>
+        <ignore path="**/htmlcompressor-1.4.jar" />
     </issue>
+
+    <!-- Manifest -->
+    <issue id="PermissionImpliesUnsupportedChromeOsHardware" severity="error" />
 </lint>

vector/src/main/AndroidManifest.xml

@@ -9,6 +9,15 @@
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.CAMERA" />
 
+    <!-- Adding CAMERA permission prevents Chromebooks to see the application on the PlayStore -->
+    <!-- Tell that the Camera is not mandatory to install the application -->
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="false" />
+    <uses-feature
+        android:name="android.hardware.camera.autofocus"
+        android:required="false" />
+
     <application
         android:name=".VectorApplication"
         android:allowBackup="false"

vector/src/main/java/im/vector/riotx/core/hardware/HardwareInfo.kt

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@file:Suppress("DEPRECATION")
+
+package im.vector.riotx.core.hardware
+
+import android.content.Context
+import android.hardware.Camera
+import android.hardware.camera2.CameraCharacteristics
+import android.hardware.camera2.CameraManager
+import android.os.Build
+import javax.inject.Inject
+
+class HardwareInfo @Inject constructor(
+        private val context: Context
+) {
+    /**
+     * Tell if the device has a back (or external) camera
+     */
+    fun hasBackCamera(): Boolean {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
+            return Camera.getNumberOfCameras() > 0
+        }
+
+        val manager = context.getSystemService(Context.CAMERA_SERVICE) as CameraManager? ?: return Camera.getNumberOfCameras() > 0
+
+        return manager.cameraIdList.any {
+            val lensFacing = manager.getCameraCharacteristics(it).get(CameraCharacteristics.LENS_FACING)
+            lensFacing == CameraCharacteristics.LENS_FACING_BACK || lensFacing == CameraCharacteristics.LENS_FACING_EXTERNAL
+        }
+    }
+}

vector/src/main/java/im/vector/riotx/core/platform/BadgeFloatingActionButton.kt

@@ -129,7 +129,7 @@ class BadgeFloatingActionButton @JvmOverloads constructor(
         attrs?.let { initAttrs(attrs) }
     }
 
-    @SuppressWarnings("ResourceType", "Recycle")
+    @SuppressWarnings("Recycle")
     private fun initAttrs(attrs: AttributeSet) {
         context.obtainStyledAttributes(attrs, R.styleable.BadgeFloatingActionButton).use {
             counterBackgroundColor = it.getColor(R.styleable.BadgeFloatingActionButton_badgeBackgroundColor, 0)

vector/src/main/java/im/vector/riotx/features/crypto/verification/SupportedVerificationMethodsProvider.kt

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.features.crypto.verification
+
+import im.vector.matrix.android.api.session.crypto.verification.VerificationMethod
+import im.vector.riotx.core.hardware.HardwareInfo
+import timber.log.Timber
+import javax.inject.Inject
+
+class SupportedVerificationMethodsProvider @Inject constructor(
+        private val hardwareInfo: HardwareInfo
+) {
+    /**
+     * Provide the list of supported method by RiotX, with or without the QR_CODE_SCAN, depending if a back camera
+     * is available
+     */
+    fun provide(): List<VerificationMethod> {
+        return mutableListOf(
+                // RiotX supports SAS verification
+                VerificationMethod.SAS,
+                // RiotX is able to show QR codes
+                VerificationMethod.QR_CODE_SHOW)
+                .apply {
+                    if (hardwareInfo.hasBackCamera()) {
+                        // RiotX is able to scan QR codes, and a Camera is available
+                        add(VerificationMethod.QR_CODE_SCAN)
+                    } else {
+                        // This quite uncommon
+                        Timber.w("No back Camera detected")
+                    }
+                }
+    }
+}

vector/src/main/java/im/vector/riotx/features/crypto/verification/VerificationBottomSheetViewModel.kt

@@ -63,9 +63,11 @@ data class VerificationBottomSheetViewState(
         val isMe: Boolean = false
 ) : MvRxState
 
-class VerificationBottomSheetViewModel @AssistedInject constructor(@Assisted initialState: VerificationBottomSheetViewState,
-                                                                   @Assisted args: VerificationBottomSheet.VerificationArgs,
-                                                                   private val session: Session)
+class VerificationBottomSheetViewModel @AssistedInject constructor(
+        @Assisted initialState: VerificationBottomSheetViewState,
+        @Assisted args: VerificationBottomSheet.VerificationArgs,
+        private val session: Session,
+        private val supportedVerificationMethodsProvider: SupportedVerificationMethodsProvider)
     : VectorViewModel<VerificationBottomSheetViewState, VerificationAction, VerificationBottomSheetViewEvents>(initialState),
         VerificationService.Listener {
 
@@ -116,9 +118,11 @@ class VerificationBottomSheetViewModel @AssistedInject constructor(@Assisted ini
         if (autoReady) {
             // TODO, can I be here in DM mode? in this case should test if roomID is null?
             session.cryptoService().verificationService()
-                    .readyPendingVerification(supportedVerificationMethods,
+                    .readyPendingVerification(
+                            supportedVerificationMethodsProvider.provide(),
                             pr!!.otherUserId,
-                            pr.transactionId ?: "")
+                            pr.transactionId ?: ""
+                    )
         }
     }
 
@@ -173,7 +177,12 @@ class VerificationBottomSheetViewModel @AssistedInject constructor(@Assisted ini
                                                 session
                                                         .cryptoService()
                                                         .verificationService()
-                                                        .requestKeyVerificationInDMs(supportedVerificationMethods, otherUserId, data, pendingLocalId)
+                                                        .requestKeyVerificationInDMs(
+                                                                supportedVerificationMethodsProvider.provide(),
+                                                                otherUserId,
+                                                                data,
+                                                                pendingLocalId
+                                                        )
                                         )
                                 )
                             }
@@ -191,7 +200,7 @@ class VerificationBottomSheetViewModel @AssistedInject constructor(@Assisted ini
                                 pendingRequest = Success(session
                                         .cryptoService()
                                         .verificationService()
-                                        .requestKeyVerificationInDMs(supportedVerificationMethods, otherUserId, roomId)
+                                        .requestKeyVerificationInDMs(supportedVerificationMethodsProvider.provide(), otherUserId, roomId)
                                 )
                         )
                     }
@@ -294,8 +303,6 @@ class VerificationBottomSheetViewModel @AssistedInject constructor(@Assisted ini
                 } catch (failure: Throwable) {
                     _viewEvents.post(VerificationBottomSheetViewEvents.ModalError(failure.localizedMessage))
                 }
-
-                Unit
             }
         }.exhaustive
     }
@@ -362,9 +369,11 @@ class VerificationBottomSheetViewModel @AssistedInject constructor(@Assisted ini
                     // auto ready in this case, as we are waiting
                     // TODO, can I be here in DM mode? in this case should test if roomID is null?
                     session.cryptoService().verificationService()
-                            .readyPendingVerification(supportedVerificationMethods,
+                            .readyPendingVerification(
+                                    supportedVerificationMethodsProvider.provide(),
                                     pr.otherUserId,
-                                    pr.transactionId ?: "")
+                                    pr.transactionId ?: ""
+                            )
                 }
 
                 // Use this one!

vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailViewModel.kt

@@ -65,7 +65,7 @@ import im.vector.riotx.core.resources.UserPreferencesProvider
 import im.vector.riotx.core.utils.subscribeLogError
 import im.vector.riotx.features.command.CommandParser
 import im.vector.riotx.features.command.ParsedCommand
-import im.vector.riotx.features.crypto.verification.supportedVerificationMethods
+import im.vector.riotx.features.crypto.verification.SupportedVerificationMethodsProvider
 import im.vector.riotx.features.home.room.detail.composer.rainbow.RainbowGenerator
 import im.vector.riotx.features.home.room.detail.timeline.helper.TimelineDisplayableEvents
 import im.vector.riotx.features.home.room.typing.TypingHelper
@@ -81,13 +81,15 @@ import java.io.File
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.atomic.AtomicBoolean
 
-class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: RoomDetailViewState,
-                                                      userPreferencesProvider: UserPreferencesProvider,
-                                                      private val vectorPreferences: VectorPreferences,
-                                                      private val stringProvider: StringProvider,
-                                                      private val typingHelper: TypingHelper,
-                                                      private val rainbowGenerator: RainbowGenerator,
-                                                      private val session: Session
+class RoomDetailViewModel @AssistedInject constructor(
+        @Assisted initialState: RoomDetailViewState,
+        userPreferencesProvider: UserPreferencesProvider,
+        private val vectorPreferences: VectorPreferences,
+        private val stringProvider: StringProvider,
+        private val typingHelper: TypingHelper,
+        private val rainbowGenerator: RainbowGenerator,
+        private val session: Session,
+        private val supportedVerificationMethodsProvider: SupportedVerificationMethodsProvider
 ) : VectorViewModel<RoomDetailViewState, RoomDetailAction, RoomDetailViewEvents>(initialState), Timeline.Listener {
 
     private val room = session.getRoom(initialState.roomId)!!
@@ -427,7 +429,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
                             session
                                     .cryptoService()
                                     .verificationService()
-                                    .requestKeyVerificationInDMs(supportedVerificationMethods, slashCommandResult.userId, room.roomId)
+                                    .requestKeyVerificationInDMs(supportedVerificationMethodsProvider.provide(), slashCommandResult.userId, room.roomId)
                             _viewEvents.post(RoomDetailViewEvents.SlashCommandHandled())
                             popDraft()
                         }
@@ -834,7 +836,7 @@ class RoomDetailViewModel @AssistedInject constructor(@Assisted initialState: Ro
     private fun handleAcceptVerification(action: RoomDetailAction.AcceptVerificationRequest) {
         Timber.v("## SAS handleAcceptVerification ${action.otherUserId},  roomId:${room.roomId}, txId:${action.transactionId}")
         if (session.cryptoService().verificationService().readyPendingVerificationInDMs(
-                        supportedVerificationMethods,
+                        supportedVerificationMethodsProvider.provide(),
                         action.otherUserId,
                         room.roomId,
                         action.transactionId)) {

vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/item/PollResultLineView.kt

@@ -73,11 +73,11 @@ class PollResultLineView @JvmOverloads constructor(
         orientation = HORIZONTAL
         ButterKnife.bind(this)
 
-        val typedArray = context.obtainStyledAttributes(attrs,
-                R.styleable.PollResultLineView, 0, 0)
+        val typedArray = context.obtainStyledAttributes(attrs, R.styleable.PollResultLineView, 0, 0)
         label = typedArray.getString(R.styleable.PollResultLineView_optionName) ?: ""
         percent = typedArray.getString(R.styleable.PollResultLineView_optionCount) ?: ""
         optionSelected = typedArray.getBoolean(R.styleable.PollResultLineView_optionSelected, false)
         isWinner = typedArray.getBoolean(R.styleable.PollResultLineView_optionIsWinner, false)
+        typedArray.recycle()
     }
 }

vector/src/main/java/im/vector/riotx/features/navigation/DefaultNavigator.kt

@@ -24,7 +24,6 @@ import androidx.core.app.ActivityOptionsCompat
 import androidx.core.app.TaskStackBuilder
 import androidx.core.view.ViewCompat
 import im.vector.matrix.android.api.session.crypto.verification.IncomingSasVerificationTransaction
-import im.vector.matrix.android.api.session.crypto.verification.VerificationMethod
 import im.vector.matrix.android.api.session.room.model.roomdirectory.PublicRoom
 import im.vector.matrix.android.api.util.MatrixItem
 import im.vector.riotx.R
@@ -35,6 +34,7 @@ import im.vector.riotx.core.utils.toast
 import im.vector.riotx.features.createdirect.CreateDirectRoomActivity
 import im.vector.riotx.features.crypto.keysbackup.settings.KeysBackupManageActivity
 import im.vector.riotx.features.crypto.keysbackup.setup.KeysBackupSetupActivity
+import im.vector.riotx.features.crypto.verification.SupportedVerificationMethodsProvider
 import im.vector.riotx.features.crypto.verification.VerificationBottomSheet
 import im.vector.riotx.features.debug.DebugMenuActivity
 import im.vector.riotx.features.home.room.detail.RoomDetailActivity
@@ -56,7 +56,8 @@ import javax.inject.Singleton
 @Singleton
 class DefaultNavigator @Inject constructor(
         private val sessionHolder: ActiveSessionHolder,
-        private val vectorPreferences: VectorPreferences
+        private val vectorPreferences: VectorPreferences,
+        private val supportedVerificationMethodsProvider: SupportedVerificationMethodsProvider
 ) : Navigator {
 
     override fun openRoom(context: Context, roomId: String, eventId: String?, buildTask: Boolean) {
@@ -85,9 +86,10 @@ class DefaultNavigator @Inject constructor(
     override fun requestSessionVerification(context: Context) {
         val session = sessionHolder.getSafeActiveSession() ?: return
         val pr = session.cryptoService().verificationService().requestKeyVerification(
-                listOf(VerificationMethod.SAS, VerificationMethod.QR_CODE_SCAN, VerificationMethod.QR_CODE_SHOW),
+                supportedVerificationMethodsProvider.provide(),
                 session.myUserId,
-                session.cryptoService().getUserDevices(session.myUserId).map { it.deviceId })
+                session.cryptoService().getUserDevices(session.myUserId).map { it.deviceId }
+        )
         if (context is VectorBaseActivity) {
             VerificationBottomSheet.withArgs(
                     roomId = null,