There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp - Phones - Nairaland
Nairaland Forum / Science/Technology / Phones / There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp (1403 Views)
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| There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp by Bigval5: 7:50am On May 06, 2018 |
There's a message that's making the rounds on WhatsApp that mysteriously causes the app to crash if you dare to tap on the black dot within. You may have already come across it and wondered how just tapping on a single emoji can cause an app to freeze and become unresponsive. The answer, unsurprisingly, is that it can't. The message, which is shown below, is actually made up of more than what meets the eye. You might have even suspected as much if you already noticed that tapping anywhere on the message — and not only on the black dot — triggers the bug. The fact is that there are hundreds (around two thousand, actually) of invisible characters in the message that end up causing Android's text rendering engine to go haywire and ultimately crash, particularly on older devices. (Some newer phones like the Pixel 2 seem to recover after freezing up and don't force close the app.) <⚫> �� from [url]Novelvibes.com.ng[/url] you can't touch this But Since Chrome and other browsers seems to behave differently when you tap text, this *probably* won't crash your browser, but copying the text into some other app likely will Tom Scott, a relatively popular YouTuber who covers multiple topics ranging from science to computers, posted a brief explanation of how the message bug works. The gist of it is that the invisible part of the message is comprised of special characters which Unicode uses to specify whether a given text should be laid out right-to-left or left-to-right. These characters are necessary to properly display text in several languages that are written right-to-left, such as Hebrew and Arabic. There's nothing wrong with these characters per se. Modern devices have been able to handle LTR and RTL text for decades, even within the same sentence. The issue only shows up when a strange combination of characters triggers some obscure bug in the rendering engine — which is precisely what is happening here. The sequence of two thousand characters switches the text's orientation back and forth repeatedly, and when the engine can't handle this string of characters, it locks up and crashes the app. The curious part is that Android is able to display the characters without any issue, but locks up when a user tries to tap the message. As you may have guessed, there's nothing particularly special about WhatsApp: the bug is related to Android's text rendering engine, so almost any app that displays text is susceptible to it (Chrome seems to be immune to the bug, however). Fortunately, the bug is also mostly harmless. It won't cause any data loss, it won't force your device to reboot, and it won't prevent you from closing the app and opening it again. As far as text rendering bugs go, that's pretty tame, and the same can't be said for other bugs that have come up over the years. This isn't the first bug of its kind we've come across, and it certainly won't be the last. It's also clear that there's nothing at all special about the black dot emoji, since it's not the emoji itself that's causing the crash. Any other emoji works just as well, though a black dot has an arguably more ominous vibe to it. https://www.novelvibes.com.ng/2018/05/theres-black-emoji-message-that-crashes.html?m=1 3 Likes
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| Re: There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp by Bigval5: 7:54am On May 06, 2018 |
C.c lalasticlala Fp please |
| Re: There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp by MrBONE2(m): 4:13pm On May 06, 2018 |
mods Do Da Needful  1 Like |
| Re: There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp by sleemoon(m): 4:44pm On May 06, 2018 |
I saw a similar message on my whatsapp status..nd was like WTF nd went ahead to click d black dot only for my phone to freeze.. I didn't believe it was d post xo after I unfreeze my phone I clicked it again and it did freeze again...I jst closed my whatsapp for dat night. . 1 Like |
| Re: There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp by Narldon: 7:04pm On May 06, 2018 |
Ok 1 Like |
| Re: There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp by Bigval5: 6:00am On May 07, 2018 |
sleemoon: Hahaha |
| Re: There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp by milewheeler: 2:45pm On Mar 24, 2022 |
Thank you so much for sharing this info and I will definitely try keep away from that kind of messages while using this OG WhatsApp which has lot of amazing and very interesting features and functions. |
| Re: There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp by Pandorah(m): 7:18pm On Mar 24, 2022 |
OLD stuff since 2018. Doesn't even work again  1 Like |
| Re: There's A Black ⚫ Emoji Message That Crashes Any Android App, Like Whatsapp by skywalker240(m): 8:36am On Mar 25, 2022 |
Hehehehe |
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