DLNA cast & Remove Firebase

Author: ismartcoding

README.md

@@ -43,7 +43,7 @@ PlainApp is also a capable standalone app — not just a server:
 - **Sound Meter** — measure ambient noise levels in real time
 
 ### 🔒 Privacy & Security
-- No Firebase Analytics or Messaging — crash reporting (via Firebase Crashlytics) is optional and opt-in
+- No Firebase, no third-party SDKs — zero analytics, no crash reporting to external servers
 - Zero data sent to any third-party server
 - All traffic between phone and browser is encrypted (TLS + XChaCha20-Poly1305)
 - No account registration required
@@ -154,7 +154,7 @@ PlainApp requires Android 9.0 or higher.
 
 ## FAQ
 
-[http://docs.plain.icu/faq.html](http://docs.plain.icu/faq.html)
+[https://plainapp.app/docs](https://plainapp.app/docs)
 
 ## Support
 

app/build.gradle.kts

@@ -1,13 +1,10 @@
 import java.io.FileInputStream
 import java.util.Properties
-import com.google.firebase.crashlytics.buildtools.gradle.CrashlyticsExtension
 import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
     id("com.android.application")
-    id("com.google.gms.google-services")
-    id("com.google.firebase.crashlytics")
     id("kotlin-parcelize")
     id("androidx.room")
     id("com.google.devtools.ksp")
@@ -20,45 +17,6 @@ room {
     schemaDirectory("$projectDir/schemas")
 }
 
-// Auto-generate a placeholder google-services.json if the real one is absent.
-// This lets contributors build without Firebase credentials.
-// Replace app/google-services.json with your real file to enable Firebase services.
-val googleServicesFile = file("google-services.json")
-if (!googleServicesFile.exists()) {
-    googleServicesFile.writeText(
-        """
-        {
-          "project_info": {
-            "project_number": "000000000000",
-            "project_id": "placeholder-project",
-            "storage_bucket": "placeholder-project.appspot.com"
-          },
-          "client": [
-            {
-              "client_info": {
-                "mobilesdk_app_id": "1:000000000000:android:0000000000000000000000",
-                "android_client_info": { "package_name": "com.ismartcoding.plain" }
-              },
-              "oauth_client": [],
-              "api_key": [{ "current_key": "placeholder" }],
-              "services": { "appinvite_service": { "other_platform_oauth_client": [] } }
-            },
-            {
-              "client_info": {
-                "mobilesdk_app_id": "1:000000000000:android:1111111111111111111111",
-                "android_client_info": { "package_name": "com.ismartcoding.plain.debug" }
-              },
-              "oauth_client": [],
-              "api_key": [{ "current_key": "placeholder" }],
-              "services": { "appinvite_service": { "other_platform_oauth_client": [] } }
-            }
-          ],
-          "configuration_version": "1"
-        }
-        """.trimIndent()
-    )
-}
-
 val keystoreProperties = Properties()
 rootProject.file("keystore.properties").let {
     if (it.exists()) {
@@ -119,9 +77,6 @@ android {
             ndk {
                 debugSymbolLevel = "NONE"
             }
-            configure<CrashlyticsExtension> {
-                mappingFileUploadEnabled = false
-            }
             buildConfigField("String", "CHANNEL", "\"GITHUB\"")
             setProguardFiles(listOf(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"))
         }
@@ -132,9 +87,6 @@ android {
             ndk {
                 debugSymbolLevel = "SYMBOL_TABLE"
             }
-            configure<CrashlyticsExtension> {
-                mappingFileUploadEnabled = true
-            }
             setProguardFiles(listOf(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"))
         }
     }
@@ -208,9 +160,6 @@ dependencies {
     // https://developer.android.com/jetpack/androidx/releases/navigation
     implementation(libs.compose.navigation)
 
-    releaseImplementation(platform(libs.firebase.bom))
-    releaseImplementation(libs.firebase.crashlytics.ktx)
-
     // Media3
     implementation(libs.media3.exoplayer)
     implementation(libs.media3.datasource)

app/src/main/java/com/ismartcoding/plain/Constants.kt

@@ -6,7 +6,7 @@ object Constants {
     const val NOTIFICATION_CHANNEL_ID = "default"
     const val CHAT_NOTIFICATION_CHANNEL_ID = "peer_chat"
     const val MAX_READABLE_TEXT_FILE_SIZE = 10 * 1024 * 1024 // 10 MB
-    const val SUPPORT_EMAIL = "ismartcoding@gmail.com"
+    const val SUPPORT_EMAIL = "support@plainapp.app"
     const val LATEST_RELEASE_URL = "https://api.github.com/repos/plainhub/plain-app/releases/latest"
     const val ONE_DAY = 24 * 60 * 60L
     const val ONE_DAY_MS = ONE_DAY * 1000L

app/src/main/java/com/ismartcoding/plain/CrashHandler.kt

@@ -0,0 +1,57 @@
+package com.ismartcoding.plain
+
+import android.content.Context
+import java.io.File
+import java.io.PrintWriter
+import java.io.StringWriter
+import java.time.LocalDateTime
+import java.time.format.DateTimeFormatter
+
+object CrashHandler {
+    private const val CRASH_FILE_NAME = "crash_report.txt"
+    private val dateFormat = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
+
+    fun install(context: Context) {
+        val defaultHandler = Thread.getDefaultUncaughtExceptionHandler()
+        Thread.setDefaultUncaughtExceptionHandler { thread, throwable ->
+            saveCrash(context, throwable)
+            defaultHandler?.uncaughtException(thread, throwable)
+        }
+    }
+
+    fun getPendingReport(context: Context): String? {
+        val file = File(context.filesDir, CRASH_FILE_NAME)
+        if (!file.exists()) return null
+        return try {
+            val content = file.readText()
+            file.delete()
+            content
+        } catch (_: Exception) {
+            null
+        }
+    }
+
+    fun getAppLogs(context: Context): String {
+        val logFile = File(context.filesDir, "logs/latest.log")
+        if (!logFile.exists()) return ""
+        return try {
+            val lines = logFile.readLines()
+            lines.takeLast(200).joinToString("\n")
+        } catch (_: Exception) {
+            ""
+        }
+    }
+
+    private fun saveCrash(context: Context, throwable: Throwable) {
+        try {
+            val sw = StringWriter()
+            throwable.printStackTrace(PrintWriter(sw))
+            val timestamp = dateFormat.format(LocalDateTime.now())
+            val report = buildString {
+                append("Time: $timestamp\n")
+                append(sw.toString())
+            }
+            File(context.filesDir, CRASH_FILE_NAME).writeText(report)
+        } catch (_: Exception) {}
+    }
+}

app/src/main/java/com/ismartcoding/plain/MainApp.kt

@@ -17,6 +17,7 @@ import com.ismartcoding.plain.events.PowerConnectedEvent
 import com.ismartcoding.plain.events.AppEvents
 import com.ismartcoding.plain.events.StartNearbyServiceEvent
 import com.ismartcoding.plain.helpers.AppHelper
+import com.ismartcoding.plain.preferences.AdbTokenPreference
 import com.ismartcoding.plain.preferences.AudioPlayModePreference
 import com.ismartcoding.plain.preferences.AutoCheckUpdatePreference
 import com.ismartcoding.plain.preferences.CheckUpdateTimePreference
@@ -52,6 +53,8 @@ class MainApp : Application() {
 
         instance = this
 
+        CrashHandler.install(this)
+
         SingletonImageLoader.setSafe { context ->
             newImageLoader(context)
         }
@@ -79,6 +82,7 @@ class MainApp : Application() {
             TempData.httpPort = HttpPortPreference.get(preferences)
             TempData.httpsPort = HttpsPortPreference.get(preferences)
             TempData.audioPlayMode = AudioPlayModePreference.getValue(preferences)
+            AdbTokenPreference.ensureValueAsync(instance, preferences)
             TempData.nearbyDiscoverable = NearbyDiscoverablePreference.getAsync(instance)
             val checkUpdateTime = CheckUpdateTimePreference.get(preferences)
             val autoCheckUpdate = AutoCheckUpdatePreference.get(preferences)

app/src/main/java/com/ismartcoding/plain/TempData.kt

@@ -40,6 +40,8 @@ object TempData {
     val notificationActions = mutableMapOf<String, Array<out Notification.Action>>()
     var audioPlayMode = MediaPlayMode.REPEAT
 
+    var adbToken = "" // in-memory cache of the ADB automation token
+
     var nearbyDiscoverable = false
 
     var audioSleepTimerFutureTime = 0L

app/src/main/java/com/ismartcoding/plain/data/DAudio.kt

@@ -6,7 +6,7 @@ import kotlin.time.Instant
 
 data class DAudio(
     override var id: String,
-    val title: String,
+    override val title: String,
     val artist: String,
     override val path: String,
     override val duration: Long,

app/src/main/java/com/ismartcoding/plain/data/DVideo.kt

@@ -6,7 +6,7 @@ import kotlin.time.Instant
 @kotlinx.serialization.Serializable
 data class DVideo(
     override var id: String,
-    val title: String,
+    override val title: String,
     override val path: String,
     override val duration: Long,
     val size: Long,

app/src/main/java/com/ismartcoding/plain/data/IData.kt

@@ -9,4 +9,5 @@ data class IDData(override var id: String) : IData
 interface IMedia {
     val path: String
     val duration: Long
+    val title: String
 }

app/src/main/java/com/ismartcoding/plain/features/dlna/DlnaCommand.kt

@@ -1,7 +1,7 @@
 package com.ismartcoding.plain.features.dlna
 
 sealed class DlnaCommand {
-    data class SetUri(val uri: String, val title: String = "") : DlnaCommand()
+    data class SetUri(val uri: String, val title: String = "", val mediaType: DlnaMediaType = DlnaMediaType.UNKNOWN, val albumArtUri: String = "") : DlnaCommand()
     data object Play : DlnaCommand()
     data object Pause : DlnaCommand()
     data object Stop : DlnaCommand()