fix to move controllers to top

add logging

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

app/src/main/java/com/nextcloud/talk/activities/MainActivity.kt

@@ -37,6 +37,7 @@ import com.bluelinelabs.conductor.RouterTransaction
 import com.bluelinelabs.conductor.changehandler.HorizontalChangeHandler
 import com.bluelinelabs.conductor.changehandler.VerticalChangeHandler
 import com.google.android.material.snackbar.Snackbar
+import com.nextcloud.talk.BuildConfig
 import com.nextcloud.talk.R
 import com.nextcloud.talk.api.NcApi
 import com.nextcloud.talk.application.NextcloudTalkApplication
@@ -144,14 +145,13 @@ class MainActivity : BaseActivity(), ActionBarProvider {
     }
 
     override fun onStart() {
-        Log.d(TAG, "onStart: Activity: " + System.identityHashCode(this).toString())
-
         super.onStart()
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            checkIfWeAreSecure()
-        }
+        Log.d(TAG, "onStart: Activity: " + System.identityHashCode(this).toString())
+        logRouterBackStack(router!!)
 
-        handleActionFromContact(intent)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            lockScreenIfConditionsApply()
+        }
     }
 
     override fun onResume() {
@@ -324,7 +324,7 @@ class MainActivity : BaseActivity(), ActionBarProvider {
     }
 
     @RequiresApi(api = Build.VERSION_CODES.M)
-    fun checkIfWeAreSecure() {
+    fun lockScreenIfConditionsApply() {
         val keyguardManager = getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager
         if (keyguardManager.isKeyguardSecure && appPreferences.isScreenLocked) {
             if (!SecurityUtils.checkIfWeAreAuthenticated(appPreferences.screenLockTimeout)) {
@@ -335,14 +335,15 @@ class MainActivity : BaseActivity(), ActionBarProvider {
                             .popChangeHandler(VerticalChangeHandler())
                             .tag(LockedController.TAG)
                     )
+                    logRouterBackStack(router!!)
                 }
             }
         }
     }
 
     override fun onNewIntent(intent: Intent) {
-        Log.d(TAG, "onNewIntent Activity: " + System.identityHashCode(this).toString())
         super.onNewIntent(intent)
+        Log.d(TAG, "onNewIntent Activity: " + System.identityHashCode(this).toString())
         handleActionFromContact(intent)
         if (intent.hasExtra(BundleKeys.KEY_FROM_NOTIFICATION_START_CALL)) {
             if (intent.getBooleanExtra(BundleKeys.KEY_FROM_NOTIFICATION_START_CALL, false)) {
@@ -353,10 +354,16 @@ class MainActivity : BaseActivity(), ActionBarProvider {
                 intent.extras?.let { callNotificationIntent.putExtras(it) }
                 startActivity(callNotificationIntent)
             } else {
+                logRouterBackStack(router!!)
                 remapChatController(
-                    router!!, intent.getParcelableExtra<User>(KEY_USER_ENTITY)!!.id!!,
-                    intent.getStringExtra(KEY_ROOM_TOKEN)!!, intent.extras!!, false, true
+                    router!!,
+                    intent.getParcelableExtra<User>(KEY_USER_ENTITY)!!.id!!,
+                    intent.getStringExtra(KEY_ROOM_TOKEN)!!,
+                    intent.extras!!,
+                    false,
+                    true
                 )
+                logRouterBackStack(router!!)
             }
         }
     }
@@ -371,6 +378,18 @@ class MainActivity : BaseActivity(), ActionBarProvider {
         }
     }
 
+    private fun logRouterBackStack(router: Router) {
+        if (BuildConfig.DEBUG) {
+            val backstack = router.backstack
+            var routerTransaction: RouterTransaction?
+            Log.d(TAG, "   backstack size: " + router.backstackSize)
+            for (i in 0 until router.backstackSize) {
+                routerTransaction = backstack[i]
+                Log.d(TAG, "     controller: " + routerTransaction.controller)
+            }
+        }
+    }
+
     companion object {
         private const val TAG = "MainActivity"
     }

app/src/main/java/com/nextcloud/talk/controllers/LockedController.kt

@@ -73,6 +73,7 @@ class LockedController : BaseController(R.layout.controller_locked) {
     @RequiresApi(api = Build.VERSION_CODES.M)
     override fun onAttach(view: View) {
         super.onAttach(view)
+        Log.d(TAG, "onAttach")
         if (activity != null && resources != null) {
             DisplayUtils.applyColorToStatusBar(
                 activity,
@@ -86,6 +87,11 @@ class LockedController : BaseController(R.layout.controller_locked) {
         checkIfWeAreSecure()
     }
 
+    override fun onDetach(view: View) {
+        super.onDetach(view)
+        Log.d(TAG, "onDetach")
+    }
+
     @RequiresApi(api = Build.VERSION_CODES.M)
     fun unlock() {
         checkIfWeAreSecure()
@@ -139,14 +145,21 @@ class LockedController : BaseController(R.layout.controller_locked) {
         val keyguardManager = activity?.getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager?
         if (keyguardManager?.isKeyguardSecure == true && appPreferences!!.isScreenLocked) {
             if (!SecurityUtils.checkIfWeAreAuthenticated(appPreferences!!.screenLockTimeout)) {
+                Log.d(TAG, "showBiometricDialog because 'we are NOT authenticated'...")
                 showBiometricDialog()
             } else {
+                Log.d(
+                    TAG,
+                    "popCurrentController because 'we are authenticated'. backstacksize= " +
+                        router.backstack.size
+                )
                 router.popCurrentController()
             }
         }
     }
 
     private fun showAuthenticationScreen() {
+        Log.d(TAG, "showAuthenticationScreen")
         val keyguardManager = activity?.getSystemService(Context.KEYGUARD_SERVICE) as KeyguardManager?
         val intent = keyguardManager?.createConfirmDeviceCredentialIntent(null, null)
         if (intent != null) {

app/src/main/java/com/nextcloud/talk/utils/ConductorRemapping.kt

@@ -21,15 +21,19 @@
 package com.nextcloud.talk.utils
 
 import android.os.Bundle
+import android.util.Log
 import com.bluelinelabs.conductor.Router
 import com.bluelinelabs.conductor.RouterTransaction
 import com.bluelinelabs.conductor.changehandler.HorizontalChangeHandler
 import com.bluelinelabs.conductor.changehandler.SimpleSwapChangeHandler
 import com.nextcloud.talk.controllers.ChatController
 import com.nextcloud.talk.controllers.ConversationsListController
+import com.nextcloud.talk.controllers.LockedController
 
 object ConductorRemapping {
 
+    private val TAG = ConductorRemapping::class.simpleName
+
     fun remapChatController(
         router: Router,
         internalUserId: Long,
@@ -48,20 +52,10 @@ object ConductorRemapping {
         replaceTop: Boolean,
         pushImmediately: Boolean
     ) {
-        val tag = "$internalUserId@$roomTokenOrId"
-        if (router.getControllerWithTag(tag) != null) {
-            val backstack = router.backstack
-            var routerTransaction: RouterTransaction? = null
-            for (i in 0 until router.backstackSize) {
-                if (tag == backstack[i].tag()) {
-                    routerTransaction = backstack[i]
-                    backstack.remove(routerTransaction)
-                    break
-                }
-            }
+        val chatControllerTag = "$internalUserId@$roomTokenOrId"
 
-            backstack.add(routerTransaction)
-            router.setBackstack(backstack, HorizontalChangeHandler())
+        if (router.getControllerWithTag(chatControllerTag) != null) {
+            moveControllerToTop(router, chatControllerTag)
         } else {
             val pushChangeHandler = if (pushImmediately) {
                 SimpleSwapChangeHandler()
@@ -70,29 +64,55 @@ object ConductorRemapping {
             }
             if (!replaceTop) {
                 if (!router.hasRootController()) {
+                    Log.d(TAG, "router has no RootController. creating backstack with ConversationsListController")
                     val newBackstack = listOf(
                         RouterTransaction.with(ConversationsListController(Bundle()))
                             .pushChangeHandler(HorizontalChangeHandler())
                             .popChangeHandler(HorizontalChangeHandler()),
                         RouterTransaction.with(ChatController(bundle))
                             .pushChangeHandler(HorizontalChangeHandler())
-                            .popChangeHandler(HorizontalChangeHandler()).tag(tag)
+                            .popChangeHandler(HorizontalChangeHandler()).tag(chatControllerTag)
                     )
                     router.setBackstack(newBackstack, SimpleSwapChangeHandler())
                 } else {
+                    Log.d(TAG, "router has RootController. pushing ChatController")
                     router.pushController(
                         RouterTransaction.with(ChatController(bundle))
                             .pushChangeHandler(pushChangeHandler)
-                            .popChangeHandler(HorizontalChangeHandler()).tag(tag)
+                            .popChangeHandler(HorizontalChangeHandler()).tag(chatControllerTag)
                     )
                 }
             } else {
+                Log.d(TAG, "ChatController replace topController")
+
                 router.replaceTopController(
                     RouterTransaction.with(ChatController(bundle))
                         .pushChangeHandler(pushChangeHandler)
-                        .popChangeHandler(HorizontalChangeHandler()).tag(tag)
+                        .popChangeHandler(HorizontalChangeHandler()).tag(chatControllerTag)
                 )
             }
         }
+
+        if (router.getControllerWithTag(LockedController.TAG) != null) {
+            moveControllerToTop(router, LockedController.TAG)
+        }
+    }
+
+    private fun moveControllerToTop(router: Router, controllerTag: String) {
+        Log.d(TAG, "moving $controllerTag to top...")
+        val backstack = router.backstack
+        var routerTransaction: RouterTransaction? = null
+        for (i in 0 until router.backstackSize) {
+            if (controllerTag == backstack[i].tag()) {
+                routerTransaction = backstack[i]
+                backstack.remove(routerTransaction)
+                Log.d(TAG, "removed controller: " + routerTransaction.controller)
+                break
+            }
+        }
+
+        backstack.add(routerTransaction)
+        Log.d(TAG, "added controller to top: " + routerTransaction!!.controller)
+        router.setBackstack(backstack, HorizontalChangeHandler())
     }
 }

app/src/main/java/com/nextcloud/talk/utils/SecurityUtils.java

@@ -27,18 +27,32 @@ import android.security.keystore.KeyPermanentlyInvalidatedException;
 import android.security.keystore.KeyProperties;
 import android.security.keystore.UserNotAuthenticatedException;
 import android.util.Log;
-import androidx.annotation.RequiresApi;
-import androidx.biometric.BiometricPrompt;
+
 import com.nextcloud.talk.R;
 import com.nextcloud.talk.application.NextcloudTalkApplication;
 
-import javax.crypto.*;
 import java.io.IOException;
-import java.security.*;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.UnrecoverableKeyException;
 import java.security.cert.CertificateException;
 import java.util.Arrays;
 import java.util.List;
 
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.KeyGenerator;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKey;
+
+import androidx.annotation.RequiresApi;
+import androidx.biometric.BiometricPrompt;
+
 public class SecurityUtils {
     private static final String TAG = "SecurityUtils";
     private static final String CREDENTIALS_KEY = "KEY_CREDENTIALS";
@@ -68,8 +82,8 @@ public class SecurityUtils {
             return false;
         } catch (KeyPermanentlyInvalidatedException e) {
             // This happens if the lock screen has been disabled or reset after the key was
-            // generated after the key was generated.
-            // Shouldnt really happen because we regenerate the key every time an activity
+            // generated.
+            // Shouldn't really happen because we regenerate the key every time an activity
             // is created, but oh well
             // Create key, and attempt again
             createKey(screenLockTimeout);