Screen timeout prevents your phone’s screen from remaining on when you’re not using your device. However, there are times when you don’t want it to do this. Fortunately, you can disable it on your Android phone or tablet.
屏幕超时可防止您不使用设备时手机的屏幕保持打开状态。 但是，有时您不希望它执行此操作。 幸运的是，您可以在Android手机或平板电脑上将其禁用。
The screen timeout simply determines how long the screen will stay on after you’re done using it. This is usually 30 seconds to 1 minute, by default. If you’re using your phone for something that doesn’t require touching the display, you might find the short screen timeout annoying.
屏幕超时仅确定使用完后屏幕将停留多长时间。 默认情况下，通常是30秒到1分钟。 如果您将手机用于不需要触摸显示屏的操作，则短屏幕超时可能会令人讨厌。
On Android devices, you can easily change the screen timeout length. The process slightly varies depending on which phone you have, as each manufacturer changes the Android user interface. Still, it usually only requires a few steps.
在Android设备上，您可以轻松更改屏幕超时时间。 随着每个制造商更改Android用户界面，此过程会根据您所拥有的手机而略有不同。 不过，通常只需要几个步骤。
(How to Increase the Screen Timeout Length)
Before we talk about the methods you can use to prevent the screen from turning off, it should be mentioned that most Android phones can’t do this natively. On the majority of Android devices, you can only set the screen timeout to a longer time limit, such as 10 or 30 minutes. In most situations, though, this is good enough.
在我们讨论可以用来防止屏幕关闭的方法之前，应该提到大多数Android手机无法自然完成此操作。 在大多数Android设备上，您只能将屏幕超时设置为更长的时间限制，例如10或30分钟。 但是，在大多数情况下，这已经足够了。
Swipe down from the top of the screen to open the notification panel. Tap the Gear icon to open the “Settings” menu. Depending on which device you have, you might need to swipe down a second time to reveal the Gear icon.
从屏幕顶部向下滑动以打开通知面板。 点按齿轮图标以打开“设置”菜单。 根据您使用的设备，您可能需要再次向下滑动以显示Gear图标。
Tap “Display” in the “Settings” menu.
在“设置”菜单中点击“显示”。
This is where things can really start to vary by device. Some phones, like the Google Pixel, require that you expand the “Advanced” section in the “Display” settings.
在这里，实际情况可能会因设备而异。 某些手机(例如Google Pixel)要求您在“显示”设置中展开“高级”部分。
Other phones list “Screen Timeout” under the main “Display” settings.
其他电话在主要“显示”设置下列出“屏幕超时”。
Tap “Screen Timeout” to open the time options.
点击“屏幕超时”以打开时间选项。
Things can vary by device here, as well. Almost all Android devices have 15 and 30 seconds, or 1, 2, 5, and 10 minutes as an option. However, some phones will have an additional 30-minute choice. Select the longest one available on your phone.
这里的情况也可能因设备而异。 几乎所有的Android设备都有15秒和30秒，或者1、2、5和10分钟可供选择。 但是，某些电话还有30分钟的选择时间。 选择手机上可用的最长的手机。
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Repeat these steps any time you want to adjust the Screen Timeout length.
每当您要调整屏幕超时长度时，请重复这些步骤。
(How to Stop the Screen From Turning Off Entirely)
Android devices might not be able to prevent the screen from turning off natively, but there are plenty of apps in the Google Play Store that can do it. One of these is “Caffeine.” Here’s how to set it up and use it.
Android设备可能无法阻止屏幕自然关闭，但是Google Play商店中有很多应用程序都可以做到这一点。 其中之一就是“咖啡因”。 这是设置和使用它的方法。
Download Caffeine – Keep Screen On from the Google Play Store on your Android device.
从Android设备上的Google Play商店下载咖啡因–保持屏幕开启 。
The app works via a “Quick Settings” toggle, so first, swipe down from the top of the screen twice to expand the full “Quick Settings” panel.
该应用程序通过“快速设置”开关进行操作，因此，首先，从屏幕顶部向下滑动两次，以展开完整的“快速设置”面板。
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You should see a Pencil icon somewhere on the panel; tap it to edit the “Quick Settings” toggles.
您应该在面板上的某个地方看到“铅笔”图标； 点击它以编辑“快速设置”切换。
On some Android devices, like Samsung phones and tablets, you have to tap the Three-dot icon, and then choose “Quick Panel Layout” to edit the Quick Settings panel.
在某些Android设备(例如Samsung手机和平板电脑)上，您必须点按“三点”图标，然后选择“快速面板布局”以编辑“快速设置”面板。
Look for a toggle with a Coffee Mug icon.
查找带有咖啡杯图标的切换开关。
Next, move the “Caffeine” toggle to the main “Quick Settings” panel. Tap and hold it to drag it into position. On Samsung phones, you’ll drag the toggle from the top of the screen to the bottom. On Google Pixel and other phones, you’ll drag it from the bottom to the top.
接下来，将“咖啡因”开关移至主“快速设置”面板。 点击并按住将其拖动到位。 在三星手机上，将切换开关从屏幕顶部拖动到底部。 在Google Pixel和其他手机上，将其从底部拖动到顶部。
When the toggle is where you want it, tap the Back arrow or Checkmark icon to save.
切换到所需位置后，请点击“后退”箭头或“对勾”图标进行保存。
Now, you can actually use the app. Whenever you want to change the screen timeout length, swipe down from the top of the screen to open the notification panel and “Quick Settings.”
现在，您可以实际使用该应用了。 每当您想更改屏幕超时时间时，请从屏幕顶部向下滑动以打开通知面板和“快速设置”。
Tap the Coffee Mug icon in “Quick Settings.” By default, the screen timeout will be changed to “Infinite,” and the screen will not turn off.
点击“快速设置”中的咖啡杯图标。 默认情况下，屏幕超时将更改为“无限”，并且屏幕将不会关闭。
Tap the Coffee Mug icon again to return to your normal screen timeout length.
再次点击咖啡杯图标以返回到您的正常屏幕超时时间。
Caffeine has a number of other customization options; just open the app to adjust these to your liking.
咖啡因还有许多其他自定义选项。 只需打开应用即可根据自己的喜好进行调整。
翻译自: https://www.howtogeek.com/685034/how-to-stop-your-android-phones-screen-from-turning-off/
