blocks|key|660701|text|我不认为所有现有的屏幕尺寸都有一个全面的列表，因为新设备一直在推出。您是否看过有关Screen+Sizes+and+Densities的页面和有关Supporting+Multiple+Screens的文档|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|660702|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/resources/dashboard/screens.html|1|http://developer.android.com/guide/practices/screens_support.html^0|15|Q|0|21|R|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]|$A|R|B|S|1|T]]|C|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]]]

I don't think there's a comprehensive list of all existing screen sizes, since new devices are coming out all the time. Have you seen the page on <a href="http://developer.android.com/resources/dashboard/screens.html" rel="noreferrer">Screen Sizes and Densities</a> and the documentation on <a href="http://developer.android.com/guide/practices/screens_support.html" rel="noreferrer">Supporting Multiple Screens</a>?

blocks|key|660731|text|Android支持多种屏幕尺寸。没有特定屏幕尺寸的列表。只有大概的范围。请访问"Supporting+Multiple+Screens"了解更多信息。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|660732|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/guide/practices/screens_support.html^0|13|T|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

Android supports multitude of screen sizes. There is no list of specific screen sizes. Only approximate ranges. Read more at <a href="http://developer.android.com/guide/practices/screens_support.html" rel="nofollow">"Supporting Multiple Screens"</a>.

blocks|key|660779|text|LDPI+MDPI+HDPI|type|unstyled|depth|inlineStyleRanges|entityRanges|data|660780|请看这个：http://developer.android.com/guide/practices/screens_support.html|offset|length|660781|然后是这个：http://developer.android.com/resources/dashboard/screens.html|660782|然后是这个：http://developer.android.com/guide/topics/resources/providing-resources.html|660783|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/guide/practices/screens_support.html|1|http://developer.android.com/resources/dashboard/screens.html|2|http://developer.android.com/guide/topics/resources/providing-resources.html^0|0|5|1T|0|0|6|1P|1|0|6|24|2|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|W|8|@]|9|@$D|X|E|Y|1|Z]]|A|$]]|$1|F|3|G|5|6|7|10|8|@]|9|@$D|11|E|12|1|13]]|A|$]]|$1|H|3|I|5|6|7|14|8|@]|9|@$D|15|E|16|1|17]]|A|$]]|$1|J|3|-4|5|6|7|18|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]|R|$5|M|N|O|A|$P|S]]|T|$5|M|N|O|A|$P|U]]]]

LDPI MDPI HDPI

Please see this: <a href="http://developer.android.com/guide/practices/screens_support.html" rel="nofollow">http://developer.android.com/guide/practices/screens_support.html</a>

then this: <a href="http://developer.android.com/resources/dashboard/screens.html" rel="nofollow">http://developer.android.com/resources/dashboard/screens.html</a>

then this: <a href="http://developer.android.com/guide/topics/resources/providing-resources.html" rel="nofollow">http://developer.android.com/guide/topics/resources/providing-resources.html</a>

blocks|key|660825|text|看看这张表：http://developer.android.com/guide/practices/screens_support.html#testing|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|660826|您可以使用此处的饼图来了解相对屏幕大小的使用情况：http://developer.android.com/resources/dashboard/screens.html|660827|有关屏幕大小、分辨率和dpi值的列表，请查看：http://en.wikipedia.org/wiki/List_of_displays_by_pixel_density|660828|要计算实际的dpi值，请查看此处：http://en.wikipedia.org/wiki/Pixel_density#Calculation_of_monitor_PPI|660829|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/guide/practices/screens_support.html#testing|1|http://developer.android.com/resources/dashboard/screens.html|2|http://en.wikipedia.org/wiki/List_of_displays_by_pixel_density|3|http://en.wikipedia.org/wiki/Pixel_density#Calculation_of_monitor_PPI^0|6|21|0|0|P|1P|1|0|N|1Q|2|0|H|1X|3|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@$A|Y|B|Z|1|10]]|C|$]]|$1|D|3|E|5|6|7|11|8|@]|9|@$A|12|B|13|1|14]]|C|$]]|$1|F|3|G|5|6|7|15|8|@]|9|@$A|16|B|17|1|18]]|C|$]]|$1|H|3|I|5|6|7|19|8|@]|9|@$A|1A|B|1B|1|1C]]|C|$]]|$1|J|3|-4|5|6|7|1D|8|@]|9|@]|C|$]]]|K|$L|$5|M|N|O|C|$P|Q]]|R|$5|M|N|O|C|$P|S]]|T|$5|M|N|O|C|$P|U]]|V|$5|M|N|O|C|$P|W]]]]

Look at this table: <a href="http://developer.android.com/guide/practices/screens_support.html#testing">http://developer.android.com/guide/practices/screens_support.html#testing</a>

You can use the pie chart here to have an idea of relative screen size usage: <a href="http://developer.android.com/resources/dashboard/screens.html">http://developer.android.com/resources/dashboard/screens.html</a> 

For a list of screen sizes, resolutions and dpi values, take a look at: <a href="http://en.wikipedia.org/wiki/List_of_displays_by_pixel_density">http://en.wikipedia.org/wiki/List_of_displays_by_pixel_density</a>

To calculate the real dpi value, check here: <a href="http://en.wikipedia.org/wiki/Pixel_density#Calculation_of_monitor_PPI">http://en.wikipedia.org/wiki/Pixel_density#Calculation_of_monitor_PPI</a>

blocks|key|660953|text|不同的屏幕尺寸如下。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|660954|xlarge+screens+are+at+least+720dp+960dp
large+screens+are+at+least+480dp+x+640dp
normal+screens+are+at+least+320dp+x+470dp
small+screens+are+at+least+320dp+x+426dp|code-block|syntax|javascript|660955|如果您计划制作一个支持多个设备应用程序，您还必须创建不同的布局目录以放置不同的布局。|660956|res/layout/my_layout.xml+++++++++++++//+layout+for+normal+screen+size+("default")
res/layout-small/my_layout.xml+++++++//+layout+for+small+screen+size
res/layout-large/my_layout.xml+++++++//+layout+for+large+screen+size
res/layout-xlarge/my_layout.xml++++++//+layout+for+extra+large+screen+size
res/layout-xlarge-land/my_layout.xml+//+layout+for+extra+large+in+landscape+orientation|660957|如果您计划添加不同大小图像，请相应地将它们放在以下文件夹中。Android操作系统会自动从它们中取出最合适的镜像。|660958|res/drawable-ldpi/my_icon.png++++++++//+bitmap+for+low+density
res/drawable-mdpi/my_icon.png++++++++//+bitmap+for+medium+density
res/drawable-hdpi/my_icon.png++++++++//+bitmap+for+high+density
res/drawable-xhdpi/my_icon.png+++++++//+bitmap+for+extra+high+density|660959|​|660960|📷|atomic|offset|length|660961|660962|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/d555b833f944b247a0292a7bcba8054b.png|imageAlt^0|0|0|0|0|0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|15|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|16|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|17|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|18|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|19|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|1A|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|1B|8|@]|9|@]|A|$]]|$1|Q|3|R|5|S|7|1C|8|@]|9|@$T|1D|U|1E|1|1F]]|A|$]]|$1|V|3|P|5|6|7|1G|8|@]|9|@]|A|$]]|$1|W|3|-4|5|6|7|1H|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13|14|-4]]]]

Different screen sizes are as follows.

<pre><code>xlarge screens are at least 720dp 960dp
large screens are at least 480dp x 640dp
normal screens are at least 320dp x 470dp
small screens are at least 320dp x 426dp
</code></pre>

If you are plan to make an application which support for multiple devices, also you have to crate different layout directories for put different layouts.

<pre><code>res/layout/my_layout.xml // layout for normal screen size ("default")
res/layout-small/my_layout.xml // layout for small screen size
res/layout-large/my_layout.xml // layout for large screen size
res/layout-xlarge/my_layout.xml // layout for extra large screen size
res/layout-xlarge-land/my_layout.xml // layout for extra large in landscape orientation
</code></pre>

If you are plan to add different sizes of images, put them in following folders accordingly. Android OS will automatically take the most suitable image out of them. 

<pre><code>res/drawable-ldpi/my_icon.png // bitmap for low density
res/drawable-mdpi/my_icon.png // bitmap for medium density
res/drawable-hdpi/my_icon.png // bitmap for high density
res/drawable-xhdpi/my_icon.png // bitmap for extra high density
</code></pre>

<img src="https://i.stack.imgur.com/b7OT6.png" alt="enter image description here">

blocks|key|661037|text|这里有一个小函数，可以知道你的设备的英寸大小，以防你需要它来支持多尺寸屏幕：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|661038|public+double+getInchSize()
{
++++DisplayMetrics+metrics+=+getResources().getDisplayMetrics();
++++return+Math.hypot(metrics.widthPixels/metrics.xdpi,+metrics.heightPixels/metrics.ydpi)
}|code-block|syntax|javascript|661039|希望能有所帮助|661040|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Here's a little function to know the inch size of your device in case you need it to support multisize screen :

<pre><code>public double getInchSize()
{
 DisplayMetrics metrics = getResources().getDisplayMetrics();
 return Math.hypot(metrics.widthPixels/metrics.xdpi, metrics.heightPixels/metrics.ydpi)
}
</code></pre>

Hope it can help

I need to know the screen sizes of android devices to support multiple screen sizes application.

Android Screen sizes

Android

我需要知道android设备的屏幕尺寸才能支持多种屏幕尺寸的应用程序。

问Android屏幕大小
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