Receive broadcast when app is installed

app/src/main/java/io/eelo/appinstaller/application/model/Application.kt

@@ -18,7 +18,7 @@ import io.eelo.appinstaller.utils.Error
 import java.util.concurrent.atomic.AtomicInteger
 
 class Application(val packageName: String, private val applicationManager: ApplicationManager) :
-        DownloaderInterface {
+        DownloaderInterface, InstallerInterface {
 
     private val uses = AtomicInteger(0)
     private val info = ApplicationInfo(packageName)
@@ -120,7 +120,12 @@ class Application(val packageName: String, private val applicationManager: Appli
     }
 
     fun install(context: Context) {
-        info.install(context, basicData!!)
+        info.install(context, basicData!!, this)
+        stateManager.find(context, basicData!!)
+    }
+
+    override fun onInstallationComplete(context: Context) {
+        info.getApkFile(context, basicData!!).delete()
         stateManager.find(context, basicData!!)
     }
 

app/src/main/java/io/eelo/appinstaller/application/model/ApplicationInfo.kt

@@ -46,7 +46,7 @@ class ApplicationInfo(private val packageName: String) {
         context.startActivity(context.packageManager.getLaunchIntentForPackage(packageName))
     }
 
-    fun install(context: Context, data: BasicData) {
-        Installer(getApkFile(context, data)).install(context)
+    fun install(context: Context, data: BasicData, callback: InstallerInterface) {
+        Installer(data.packageName, getApkFile(context, data), callback).install(context)
     }
 }

app/src/main/java/io/eelo/appinstaller/application/model/Installer.kt

 package io.eelo.appinstaller.application.model
 
+import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import android.content.IntentFilter
 import android.net.Uri
 import android.support.v4.content.FileProvider
 import java.io.File
 
-class Installer(private val apk: File) {
+class Installer(private val packageName: String,
+                private val apk: File,
+                private val callback: InstallerInterface) {
 
     fun install(context: Context) {
         val uri = if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
@@ -20,5 +24,27 @@ class Installer(private val apk: File) {
         intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
         context.startActivity(intent)
+        registerReceiver(context)
+    }
+
+    private fun registerReceiver(context: Context) {
+        try {
+            context.unregisterReceiver(receiver)
+        } catch (exception: Exception) {
+            exception.printStackTrace()
+        }
+        context.registerReceiver(receiver, IntentFilter().apply {
+            addAction(Intent.ACTION_PACKAGE_ADDED)
+            addDataScheme("package")
+        })
+    }
+
+    private var receiver = object : BroadcastReceiver() {
+        override fun onReceive(p0: Context, p1: Intent) {
+            if (p1.action == Intent.ACTION_PACKAGE_ADDED &&
+                    (p1.data.encodedSchemeSpecificPart == packageName)) {
+                callback.onInstallationComplete(p0)
+            }
+        }
     }
 }

app/src/main/java/io/eelo/appinstaller/application/model/InstallerInterface.kt

+package io.eelo.appinstaller.application.model
+
+import android.content.Context
+
+interface InstallerInterface {
+    fun onInstallationComplete(context: Context)
+}