Merge pull request #964 from StepicOrg/feature/APPS_3633_accessbility_analytics

APPS-3633: Accessibility analytics

Author: rostikjoystick

app/src/main/java/org/stepic/droid/analytic/AmplitudeAnalytic.kt

@@ -13,6 +13,8 @@ interface AmplitudeAnalytic {
         const val IS_NIGHT_MODE_ENABLED = "is_night_mode_enabled"
         const val IS_AR_SUPPORTED = "is_ar_supported"
         const val IS_GOOGLE_SERVICES_AVAILABLE = "is_google_services_available"
+        const val ACCESSIBILITY_FONT_SCALE = "accessibility_font_scale"
+        const val ACCESSIBILITY_SCREEN_READER_ENABLED = "accessibility_screen_reader_enabled"
     }
 
     object Launch {

app/src/main/java/org/stepic/droid/analytic/AnalyticImpl.kt

@@ -18,9 +18,9 @@ import com.yandex.metrica.profile.UserProfile
 import org.json.JSONObject
 import org.stepic.droid.base.App
 import org.stepic.droid.configuration.Config
-import org.stepic.droid.configuration.RemoteConfig
 import org.stepic.droid.di.AppSingleton
 import org.stepic.droid.util.isARSupported
+import org.stepic.droid.util.isScreenReaderOn
 import org.stepik.android.domain.base.analytic.AnalyticEvent
 import org.stepik.android.domain.base.analytic.AnalyticSource
 import org.stepik.android.domain.base.analytic.UserProperty
@@ -66,17 +66,23 @@ constructor(
                 .set(AmplitudeAnalytic.Properties.PUSH_PERMISSION, if (isNotificationsEnabled) "granted" else "not_granted")
                 .set(AmplitudeAnalytic.Properties.IS_NIGHT_MODE_ENABLED, context.isNightModeEnabled().toString())
                 .set(AmplitudeAnalytic.Properties.IS_AR_SUPPORTED, context.isARSupported().toString())
+                .set(AmplitudeAnalytic.Properties.ACCESSIBILITY_FONT_SCALE, context.resources.configuration.fontScale.toString())
+                .set(AmplitudeAnalytic.Properties.ACCESSIBILITY_SCREEN_READER_ENABLED, context.isScreenReaderOn().toString())
         )
 
         updateYandexUserProfile {
             apply(Attribute.notificationsEnabled().withValue(isNotificationsEnabled))
             apply(Attribute.customBoolean(AmplitudeAnalytic.Properties.IS_NIGHT_MODE_ENABLED).withValue(context.isNightModeEnabled()))
             apply(Attribute.customBoolean(AmplitudeAnalytic.Properties.IS_AR_SUPPORTED).withValue(context.isARSupported()))
+            apply(Attribute.customNumber(AmplitudeAnalytic.Properties.ACCESSIBILITY_FONT_SCALE).withValue(context.resources.configuration.fontScale.toDouble()))
+            apply(Attribute.customBoolean(AmplitudeAnalytic.Properties.ACCESSIBILITY_SCREEN_READER_ENABLED).withValue(context.isScreenReaderOn()))
         }
 
         setFirebaseUserProperty(AmplitudeAnalytic.Properties.PUSH_PERMISSION, if (isNotificationsEnabled) "granted" else "not_granted")
         setFirebaseUserProperty(AmplitudeAnalytic.Properties.IS_NIGHT_MODE_ENABLED, context.isNightModeEnabled().toString())
         setFirebaseUserProperty(AmplitudeAnalytic.Properties.IS_AR_SUPPORTED, context.isARSupported().toString())
+        setFirebaseUserProperty(AmplitudeAnalytic.Properties.ACCESSIBILITY_FONT_SCALE, context.resources.configuration.fontScale.toString())
+        setFirebaseUserProperty(AmplitudeAnalytic.Properties.ACCESSIBILITY_SCREEN_READER_ENABLED, context.isScreenReaderOn().toString())
     }
 
     // Amplitude properties

app/src/main/java/org/stepic/droid/util/ContextExtensions.kt

@@ -1,19 +1,16 @@
 package org.stepic.droid.util
 
+import android.accessibilityservice.AccessibilityServiceInfo
 import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.content.pm.PackageManager
-import android.content.res.Configuration
-import android.content.res.Resources
-import android.graphics.drawable.Drawable
 import android.os.Build
 import android.util.TypedValue
+import android.view.accessibility.AccessibilityManager
 import android.widget.Toast
 import androidx.annotation.AttrRes
 import androidx.annotation.ColorInt
-import androidx.annotation.DrawableRes
-import androidx.appcompat.content.res.AppCompatResources
 
 fun Context.copyTextToClipboard(label: String? = null, textToCopy: String, toastMessage: String) {
     val clipboardManager = getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
@@ -61,4 +58,9 @@ fun Context.isARSupported(): Boolean =
         true
     } catch (e : PackageManager.NameNotFoundException) {
         false
-    }
+    }
+
+fun Context.isScreenReaderOn(): Boolean {
+    val am = getSystemService(Context.ACCESSIBILITY_SERVICE) as AccessibilityManager
+    return am.isEnabled && am.getEnabledAccessibilityServiceList(AccessibilityServiceInfo.FEEDBACK_SPOKEN).isNotEmpty()
+}