Replace Crashlytics with Sentry

Signed-off-by: William Brawner <me@wbrawner.com>

.gitignore

@@ -12,3 +12,4 @@
 *.log
 keystore.properties
 *.jks
+sentry.properties

app/build.gradle

@@ -3,7 +3,7 @@ apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-kapt'
 apply plugin: 'jacoco'
-apply plugin: 'com.google.firebase.crashlytics'
+apply plugin: 'io.sentry.android.gradle'
 
 def keystoreProperties = new Properties()
 try {
@@ -44,6 +44,9 @@ android {
         versionCode 26
         versionName "0.8.4"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        manifestPlaceholders = [
+                sentryDsn: "https://399270639b2e4b10a028a2be9192d1d3@sentry.brawner.dev/2"
+        ]
         buildConfigField "boolean", "ENABLE_CUSTOM_CSS", "false"
     }
     signingConfigs {
@@ -99,11 +102,10 @@ dependencies {
     implementation 'com.commonsware.cwac:anddown:0.3.0'
     implementation 'com.android.billingclient:billing:2.2.0'
     implementation 'com.google.firebase:firebase-core:17.3.0'
-    implementation 'com.google.firebase:firebase-crashlytics:17.0.0-beta04'
-    implementation 'com.google.firebase:firebase-analytics:17.3.0'
     implementation "androidx.core:core-ktx:1.2.0"
     implementation 'androidx.browser:browser:1.2.0'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'io.sentry:sentry-android:2.1.6'
     def coroutines_version = "1.3.0-RC2"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
@@ -117,6 +119,7 @@ dependencies {
 apply plugin: 'com.google.gms.google-services'
 repositories {
     mavenCentral()
+    jcenter()
 }
 
 jacoco {

app/src/main/AndroidManifest.xml

@@ -67,7 +67,10 @@
         <activity android:name=".view.activity.SupportActivity" />
 
         <meta-data
-            android:name="firebase_crashlytics_collection_enabled"
+            android:name="io.sentry.dsn"
+            android:value="${sentryDsn}" />
+        <meta-data
+            android:name="io.sentry.auto-init"
             android:value="false" />
     </application>
 

app/src/main/assets/Privacy Policy.md

@@ -3,11 +3,10 @@
 First and foremost, Simple Markdown DOES NOT collect any personally identifiable information. The
 internet access permission is requested primarily for retrieving images from the internet in 
 case you embed them in your markdown, but it also allows me to send automated error and crash 
- reports to myself whenever the app runs into an issue. These error reports are opt-out, and are 
+reports to myself whenever the app runs into an issue. These automated reports are powered by my own
- powered by [Firebase Crashlytics] (https://firebase.google.com/docs/crashlytics/), which is a 
+self-hosted version of [Sentry] (https://sentry.io/), which is a free and open source error
- free error reporting solution provided by Google. These error reports are used exclusively for 
+reporting solution. These error reports are used exclusively for fixing problems that occur while 
- fixing problems that occur while you're using the app, along with some analytics info like how 
+you're using the app. For more information on the kinds of data that may be sent in these automated 
- long you use the app for, how often, and which features of the app you use. This helps me to 
+error reports, please see the [relevant documentation](https://docs.sentry.io/platforms/android/#context)
- determine how to spend my very limited time on building out new features. I'll have to defer to
+on Sentry's website. If you would like to opt-out of these error reports, please visit the in-app
-  [Google's Privacy Policy](https://policies.google.com/privacy) to explain how they handle the 
+settings page to disable the toggle for error reports. 
-  data. As for me, I don't knowingly or willingly sell or trade your data.

app/src/main/java/com/wbrawner/simplemarkdown/MarkdownApplication.kt

@@ -2,15 +2,19 @@ package com.wbrawner.simplemarkdown
 
 import android.app.Application
 import android.os.StrictMode
-import com.wbrawner.simplemarkdown.utility.CrashlyticsErrorHandler
+import androidx.preference.PreferenceManager
 import com.wbrawner.simplemarkdown.utility.ErrorHandler
+import com.wbrawner.simplemarkdown.utility.SentryErrorHandler
 
 class MarkdownApplication : Application() {
     val errorHandler: ErrorHandler by lazy {
-        CrashlyticsErrorHandler()
+        SentryErrorHandler()
     }
 
     override fun onCreate() {
+        val enableErrorReports = PreferenceManager.getDefaultSharedPreferences(this)
+                .getBoolean(getString(R.string.error_reports_enabled), true)
+        errorHandler.init(this, enableErrorReports)
         if (BuildConfig.DEBUG) {
             StrictMode.setThreadPolicy(StrictMode.ThreadPolicy.Builder()
                     .detectAll()

app/src/main/java/com/wbrawner/simplemarkdown/utility/ErrorHandler.kt

@@ -1,27 +1,44 @@
 package com.wbrawner.simplemarkdown.utility
 
+import android.content.Context
 import android.util.Log
-import com.google.firebase.crashlytics.FirebaseCrashlytics
 import com.wbrawner.simplemarkdown.BuildConfig
+import io.sentry.android.core.SentryAndroid
+import io.sentry.core.Sentry
+import java.util.concurrent.atomic.AtomicBoolean
 
 interface ErrorHandler {
+    fun init(context: Context, enable: Boolean)
     fun enable(enable: Boolean)
     fun reportException(t: Throwable, message: String? = null)
 }
 
-class CrashlyticsErrorHandler : ErrorHandler {
+class SentryErrorHandler : ErrorHandler {
-    private val crashlytics = FirebaseCrashlytics.getInstance()
+    private lateinit var enabled: AtomicBoolean
+
+    override fun init(context: Context, enable: Boolean) {
+        enabled = AtomicBoolean(enable)
+        SentryAndroid.init(context) { options ->
+            options.setBeforeSend { event, _ ->
+                if (enabled.get()) {
+                    event
+                } else {
+                    null
+                }
+            }
+        }
+    }
 
     override fun enable(enable: Boolean) {
-        crashlytics.setCrashlyticsCollectionEnabled(enable)
+        enabled.set(enable)
     }
 
     override fun reportException(t: Throwable, message: String?) {
         @Suppress("ConstantConditionIf")
         if (BuildConfig.DEBUG) {
-            Log.e("CrashlyticsErrorHandler", "Caught exception: $message", t)
+            Log.e("SentryErrorHandler", "Caught exception: $message", t)
             return
         }
-        crashlytics.recordException(t)
+        Sentry.captureException(t)
     }
 }

app/src/main/java/com/wbrawner/simplemarkdown/view/activity/SettingsActivity.kt

@@ -3,7 +3,6 @@ package com.wbrawner.simplemarkdown.view.activity
 import android.os.Bundle
 import android.view.MenuItem
 import androidx.appcompat.app.AppCompatActivity
-
 import com.wbrawner.simplemarkdown.R
 
 class SettingsActivity : AppCompatActivity() {
@@ -12,9 +11,7 @@ class SettingsActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_settings)
         setSupportActionBar(findViewById(R.id.toolbar))
-        if (supportActionBar != null) {
+        supportActionBar?.setDisplayHomeAsUpEnabled(true)
-            supportActionBar!!.setDisplayHomeAsUpEnabled(true)
-        }
     }
 
     override fun onOptionsItemSelected(item: MenuItem): Boolean {

app/src/main/res/values/strings.xml

@@ -34,7 +34,7 @@
     <string name="action_lock_swipe">Lock Swiping</string>
     <string name="action_select">Select</string>
     <string name="action_privacy">Privacy</string>
-    <string name="error_reports_enabled">crashlytics.enable</string>
+    <string name="error_reports_enabled">errors.enable</string>
     <string name="pref_title_error_reports">Enable automated error reports</string>
     <string name="pref_error_reports_off">Error reports will not be sent</string>
     <string name="pref_error_reports_on">Error reports will be sent</string>

build.gradle

@@ -7,9 +7,9 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.6.3'
+        classpath 'com.android.tools.build:gradle:4.0.0'
         classpath 'com.google.gms:google-services:4.3.3'
-        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.0.0-beta04'
+        classpath 'io.sentry:sentry-android-gradle-plugin:1.7.34'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Thu Mar 19 08:56:07 CST 2020
+#Wed Jun 10 07:53:53 MST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip

sentry.properties.sample

@@ -0,0 +1,4 @@
+defaults.url=https://sentry.brawner.dev/
+defaults.project=simplemarkdown
+defaults.org=wbrawner
+auth.token=