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Semi-Transparent header is not working on low performance devices
Mohammad G., Mar 11, 2022 at 19:20, edited
Last reproduced in 8.6.0.25879
ClosedIssueAndroid

After upgrading to 8.6.0, the new Semi-Transparent feature is not working at all.

Steps to reproduce

  1. Upgrade to 8.6.0
  2. Choose a theme
  3. That's it!

Device info

Telegram Android 8.6.0 (25879), Samsung Galaxy S5, 6.0 M (23)

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Comments19
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c
catharsis Mar 14, 2022
Samsung A21s (OneUI, Android 11) too
D
Deleted Account Mar 15, 2022
Me too i have a Poco X3 NFC with Android 12 and this option not working for telegram 8.6.1
yoshi Mar 16, 2022
Same issue. Telegram v8.6.1 Android 12 Pixel 4a
b
blblblblbl Mar 17, 2022
Same issue on Samsung Galaxy A31. Telegram v8.6.1
andré Mar 19, 2022
With some research, I think I found what was causing it (looks like this isn't a bug).

Telegram Client has a class to determine your phone class (low/mid/high end). Apparently, blurred headers works only for high-end phones.

See below what characterizes phone quality:
- Low end phones (PERFORMANCE_CLASS_LOW, true if it satisfies at least one of these conditions):
-> Android version < 21
-> CPU cores count <= 2
-> Memory class (system recommended RAM for each app): <= 100mb
-> CPU cores count <= 4 AND Average CPU frequency <= 1250
-> CPU cores count <= 4 AND Average CPU frequency <= 1600 AND Memory class <= 128 AND Android version <= 21
-> CPU cores count <= 4 AND Average CPU frequency <= 1300 AND Memory class <= 128 AND Android version <= 24

- Mid end phones (PERFORMANCE_CLASS_AVERAGE, true if it satisfies at least one of these conditions):
-> CPU cores count < 8
-> Memory class <= 160
-> Average CPU frequency <= 2050
-> CPU count = 8 AND Android version <= 23

- High end phones (PERFORMACE_CLASS_HIGH):
-> None of the previous conditions are satisfied.

You can check by yourself the code for this here: https://github.com/DrKLO/Telegram/blob/9e740dfd4d2b1ab6b8ed2b972e0f72fc9b8bd09d/TMessagesProj/src/main/java/org/telegram/messenger/SharedConfig.java#L1144

This also affects other things like animations, particle and even your in-app camera quality.

As far as I know, there is no option to force enable this feature. The way is to wait if the requirements for the blurred header will be reduced in the future or if there will be an option to force it (maybe even in an unofficial client).
Lateus Betelgeuse Mar 20, 2022
andré
With some research, I think I found what was causing it (looks like this isn't a bug). Telegram Client has a class to determine your phone class (low/mid/high end). Apparently, blurred headers works only for high-end phones. See below what characterizes phone quality: - Low end phones (PERFORMANCE_CLASS_LOW, true if it satisfies at least one of these conditions): -> Android version < 21 -> CPU cores count <= 2 -> Memory class (system recommended RAM for each app): <= 100mb -> CPU cores count <= 4 AND Average CPU frequency <= 1250 -> CPU cores count <= 4 AND Average CPU frequency <= 1600 AND Memory class <= 128 AND Android version <= 21 -> CPU cores count <= 4 AND Average CPU frequency <= 1300 AND Memory class <= 128 AND Android version <= 24 - Mid end phones (PERFORMANCE_CLASS_AVERAGE, true if it satisfies at least one of these conditions): -> CPU cores count < 8 -> Memory class <= 160 -> Average CPU frequency <= 2050 -> CPU count = 8 AND Android version <= 23 - High end phones (PERFORMACE_CLASS_HIGH): -> None of the previous conditions are satisfied. You can check by yourself the code for this here: https://github.com/DrKLO/Telegram/blob/9e740dfd4d2b1ab6b8ed2b972e0f72fc9b8bd09d/TMessagesProj/src/main/java/org/telegram/messenger/SharedConfig.java#L1144 This also affects other things like animations, particle and even your in-app camera quality. As far as I know, there is no option to force enable this feature. The way is to wait if the requirements for the blurred header will be reduced in the future or if there will be an option to force it (maybe even in an unofficial client).
That makes sense. My device has 4 cores.
F
Francesco Cominetti Mar 23, 2022
andré
With some research, I think I found what was causing it (looks like this isn't a bug). Telegram Client has a class to determine your phone class (low/mid/high end). Apparently, blurred headers works only for high-end phones. See below what characterizes phone quality: - Low end phones (PERFORMANCE_CLASS_LOW, true if it satisfies at least one of these conditions): -> Android version < 21 -> CPU cores count <= 2 -> Memory class (system recommended RAM for each app): <= 100mb -> CPU cores count <= 4 AND Average CPU frequency <= 1250 -> CPU cores count <= 4 AND Average CPU frequency <= 1600 AND Memory class <= 128 AND Android version <= 21 -> CPU cores count <= 4 AND Average CPU frequency <= 1300 AND Memory class <= 128 AND Android version <= 24 - Mid end phones (PERFORMANCE_CLASS_AVERAGE, true if it satisfies at least one of these conditions): -> CPU cores count < 8 -> Memory class <= 160 -> Average CPU frequency <= 2050 -> CPU count = 8 AND Android version <= 23 - High end phones (PERFORMACE_CLASS_HIGH): -> None of the previous conditions are satisfied. You can check by yourself the code for this here: https://github.com/DrKLO/Telegram/blob/9e740dfd4d2b1ab6b8ed2b972e0f72fc9b8bd09d/TMessagesProj/src/main/java/org/telegram/messenger/SharedConfig.java#L1144 This also affects other things like animations, particle and even your in-app camera quality. As far as I know, there is no option to force enable this feature. The way is to wait if the requirements for the blurred header will be reduced in the future or if there will be an option to force it (maybe even in an unofficial client).
Oneplus nord, shouldn't match all requirements? Not working...
Thanks
Bossy Shark Jun 5, 2022
Hi, thank you for the card, this is the intended behavior, the feature is supposed to work only on device that can support it.
Status changed to Closed
Jun 5, 2022 at 21:01
D
Deleted Account Dec 3
devicePerformanceClass = PERFORMANCE_CLASS_LOW;
} else if (cpuCount < 8 || memoryClass <= 160 || maxCpuFreq != -1 && maxCpuFreq <= 2050 || maxCpuFreq == -1 && cpuCount == 8 && androidVersion <= 23) {
devicePerformanceClass = PERFORMANCE_CLASS_AVERAGE;
} else {
devicePerformanceClass = PERFORMANCE_CLASS_HIGH;
}
if (BuildVars.LOGS_ENABLED) {
FileLog.d("device performance info (cpu_count = " + cpuCount + ", freq = " + maxCpuFreq + ", memoryClass = " + memoryClass + ", android version " + androidVersion + ")");
}
}

return devicePerformanceClass;
}

public static void setMediaColumnsCount(int count) {
if (mediaColumnsCount != count) {
mediaColumnsCount = count;
ApplicationLoader.applicationContext.getSharedPreferences("mainconfig", Activity.MODE_PRIVATE).edit().putInt("mediaColumnsCount", mediaColumnsCount).apply();
}
}

public static void setFastScrollHintCount(int count) {
if (fastScrollHintCount != count) {
fastScrollHintCount = count;
ApplicationLoader.applicationContext.getSharedPreferences("mainconfig", Activity.MODE_PRIVATE).edit().putInt("fastScrollHintCount", fastScrollHintCount).apply();
}
}

public static void setDontAskManageStorage(boolean b) {
dontAskManageStorage = b;
ApplicationLoader.applicationContext.getSharedPreferences("mainconfig", Activity.MODE_PRIVATE).edit().putBoolean("dontAskManageStorage", dontAskManageStorage).apply();
}
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