From 8026cef5afddf0da018657f8d877d1c9829a09a6 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Sun, 30 May 2021 15:44:42 +0200
Subject: [PATCH] Workaround Samsung text classifier crash

---
 .../java/eu/faircode/email/FixedEditText.java | 38 +++++++++++++++++++
 .../main/java/eu/faircode/email/Helper.java   |  4 ++
 2 files changed, 42 insertions(+)

diff --git a/app/src/main/java/eu/faircode/email/FixedEditText.java b/app/src/main/java/eu/faircode/email/FixedEditText.java
index 2dde0d2b6c..9d6d1493d7 100644
--- a/app/src/main/java/eu/faircode/email/FixedEditText.java
+++ b/app/src/main/java/eu/faircode/email/FixedEditText.java
@@ -21,11 +21,14 @@ package eu.faircode.email;
 
 import android.content.Context;
 import android.graphics.Canvas;
+import android.os.Build;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
+import android.view.textclassifier.TextClassifier;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
 import androidx.appcompat.widget.AppCompatEditText;
 
 public class FixedEditText extends AppCompatEditText {
@@ -168,4 +171,39 @@ public class FixedEditText extends AppCompatEditText {
             return false;
         }
     }
+
+    @NonNull
+    @Override
+    @RequiresApi(api = Build.VERSION_CODES.O)
+    public TextClassifier getTextClassifier() {
+        /*
+            https://issuetracker.google.com/issues/188103468
+
+            java.lang.RuntimeException: An error occurred while executing doInBackground()
+              at android.os.AsyncTask$3.done(AsyncTask.java:353)
+              at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
+              at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
+              at java.util.concurrent.FutureTask.run(FutureTask.java:271)
+              at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:245)
+              at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
+              at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
+              at java.lang.Thread.run(Thread.java:764)
+            Caused by: java.lang.IllegalArgumentException
+              at com.android.internal.util.Preconditions.checkArgument(Preconditions.java:33)
+              at android.view.textclassifier.TextClassifierImpl.validateInput(TextClassifierImpl.java:520)
+              at android.view.textclassifier.TextClassifierImpl.classifyText(TextClassifierImpl.java:152)
+              at android.widget.SelectionActionModeHelper$TextClassificationHelper.performClassification(SelectionActionModeHelper.java:707)
+              at android.widget.SelectionActionModeHelper$TextClassificationHelper.classifyText(SelectionActionModeHelper.java:655)
+              at android.widget.SelectionActionModeHelper.-android_widget_SelectionActionModeHelper-mthref-1(SelectionActionModeHelper.java:94)
+              at android.widget.-$Lambda$tTszxdFZ0V9nXhnBpPsqeBMO0fw$1.$m$2(Unknown Source:4)
+              at android.widget.-$Lambda$tTszxdFZ0V9nXhnBpPsqeBMO0fw$1.get(Unknown Source:21)
+              at android.widget.SelectionActionModeHelper$TextClassificationAsyncTask.doInBackground(SelectionActionModeHelper.java:572)
+              at android.widget.SelectionActionModeHelper$TextClassificationAsyncTask.doInBackground(SelectionActionModeHelper.java:567)
+              at android.os.AsyncTask$2.call(AsyncTask.java:333)
+         */
+        if (BuildConfig.DEBUG || Helper.isSamsung())
+            return TextClassifier.NO_OP;
+        else
+            return super.getTextClassifier();
+    }
 }
diff --git a/app/src/main/java/eu/faircode/email/Helper.java b/app/src/main/java/eu/faircode/email/Helper.java
index e77394df82..2ff66cac5a 100644
--- a/app/src/main/java/eu/faircode/email/Helper.java
+++ b/app/src/main/java/eu/faircode/email/Helper.java
@@ -871,6 +871,10 @@ public class Helper {
         return true;
     }
 
+    static boolean isSamsung() {
+        return "Samsung".equalsIgnoreCase(Build.MANUFACTURER);
+    }
+
     static boolean isXiaomi() {
         return "Xiaomi".equalsIgnoreCase(Build.MANUFACTURER);
     }