blocks|key|1259466|text|你需要的：http://developer.android.com/reference/android/os/Build.VERSION_CODES.html|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1259467|SDK_INT+value++++++++Build.VERSION_CODES++++++++Human+Version+Name+++++++
++++1++++++++++++++++++BASE++++++++++++++++++++++Android+1.0+(no+codename)
++++2++++++++++++++++++BASE_1_1++++++++++++++++++Android+1.1+Petit+Four
++++3++++++++++++++++++CUPCAKE+++++++++++++++++++Android+1.5+Cupcake
++++4++++++++++++++++++DONUT+++++++++++++++++++++Android+1.6+Donut
++++5++++++++++++++++++ECLAIR++++++++++++++++++++Android+2.0+Eclair
++++6++++++++++++++++++ECLAIR_0_1++++++++++++++++Android+2.0.1+Eclair++++++++++++++++++
++++7++++++++++++++++++ECLAIR_MR1++++++++++++++++Android+2.1+Eclair
++++8++++++++++++++++++FROYO+++++++++++++++++++++Android+2.2+Froyo
++++9++++++++++++++++++GINGERBREAD+++++++++++++++Android+2.3+Gingerbread
+++10++++++++++++++++++GINGERBREAD_MR1+++++++++++Android+2.3.3+Gingerbread
+++11++++++++++++++++++HONEYCOMB+++++++++++++++++Android+3.0+Honeycomb
+++12++++++++++++++++++HONEYCOMB_MR1+++++++++++++Android+3.1+Honeycomb
+++13++++++++++++++++++HONEYCOMB_MR2+++++++++++++Android+3.2+Honeycomb
+++14++++++++++++++++++ICE_CREAM_SANDWICH++++++++Android+4.0+Ice+Cream+Sandwich
+++15++++++++++++++++++ICE_CREAM_SANDWICH_MR1++++Android+4.0.3+Ice+Cream+Sandwich
+++16++++++++++++++++++JELLY_BEAN++++++++++++++++Android+4.1+Jellybean
+++17++++++++++++++++++JELLY_BEAN_MR1++++++++++++Android+4.2+Jellybean
+++18++++++++++++++++++JELLY_BEAN_MR2++++++++++++Android+4.3+Jellybean
+++19++++++++++++++++++KITKAT++++++++++++++++++++Android+4.4+KitKat
+++20++++++++++++++++++KITKAT_WATCH++++++++++++++Android+4.4+KitKat+Watch
+++21++++++++++++++++++LOLLIPOP++++++++++++++++++Android+5.0+Lollipop
+++22++++++++++++++++++LOLLIPOP_MR1++++++++++++++Android+5.1+Lollipop
+++23++++++++++++++++++M+++++++++++++++++++++++++Android+6.0+Marshmallow
+++24++++++++++++++++++N+++++++++++++++++++++++++Android+7.0+Nougat
+++25++++++++++++++++++N_MR1+++++++++++++++++++++Android+7.1.1+Nougat
+++26++++++++++++++++++O+++++++++++++++++++++++++Android+8.0+Oreo
+++27++++++++++++++++++O_MR1+++++++++++++++++++++Android+8.1+Oreo+MR1
+++28++++++++++++++++++P+++++++++++++++++++++++++Android+9+Pie
+++29++++++++++++++++++Q+++++++++++++++++++++++++Android+10+Q
++10000++++++++++++++++CUR_DEVELOPMENT+++++++++++Current+Development+Version|code-block|syntax|javascript|1259468|entityMap|0|LINK|mutability|MUTABLE|url|http://developer.android.com/reference/android/os/Build.VERSION_CODES.html^0|5|22|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

What you need: <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html" rel="noreferrer">http://developer.android.com/reference/android/os/Build.VERSION_CODES.html</a>

<pre><code>SDK_INT value Build.VERSION_CODES Human Version Name 
 1 BASE Android 1.0 (no codename)
 2 BASE_1_1 Android 1.1 Petit Four
 3 CUPCAKE Android 1.5 Cupcake
 4 DONUT Android 1.6 Donut
 5 ECLAIR Android 2.0 Eclair
 6 ECLAIR_0_1 Android 2.0.1 Eclair 
 7 ECLAIR_MR1 Android 2.1 Eclair
 8 FROYO Android 2.2 Froyo
 9 GINGERBREAD Android 2.3 Gingerbread
 10 GINGERBREAD_MR1 Android 2.3.3 Gingerbread
 11 HONEYCOMB Android 3.0 Honeycomb
 12 HONEYCOMB_MR1 Android 3.1 Honeycomb
 13 HONEYCOMB_MR2 Android 3.2 Honeycomb
 14 ICE_CREAM_SANDWICH Android 4.0 Ice Cream Sandwich
 15 ICE_CREAM_SANDWICH_MR1 Android 4.0.3 Ice Cream Sandwich
 16 JELLY_BEAN Android 4.1 Jellybean
 17 JELLY_BEAN_MR1 Android 4.2 Jellybean
 18 JELLY_BEAN_MR2 Android 4.3 Jellybean
 19 KITKAT Android 4.4 KitKat
 20 KITKAT_WATCH Android 4.4 KitKat Watch
 21 LOLLIPOP Android 5.0 Lollipop
 22 LOLLIPOP_MR1 Android 5.1 Lollipop
 23 M Android 6.0 Marshmallow
 24 N Android 7.0 Nougat
 25 N_MR1 Android 7.1.1 Nougat
 26 O Android 8.0 Oreo
 27 O_MR1 Android 8.1 Oreo MR1
 28 P Android 9 Pie
 29 Q Android 10 Q
 10000 CUR_DEVELOPMENT Current Development Version
</code></pre>

blocks|key|1260028|text|您可以通过系统常量(Build.VERSION.SDK_INT)以编程方式获取接口级别。例如，您可以按以下方式运行一些需要更新API的代码(如果当前设备的API级别至少为4，它将执行)|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1260029|if+(Build.VERSION.SDK_INT+>=+Build.VERSION_CODES.DONUT)+{

}|code-block|syntax|javascript|1260030|要获取用户可见的Android版本，请使用：|1260031|Build.VERSION.RELEASE|1260032|entityMap^0|A|L|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@$9|R|A|S|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|T|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|U|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|V|8|@]|D|@]|E|$I|J]]|$1|O|3|-4|5|6|7|W|8|@]|D|@]|E|$]]]|P|$]]

You can obtain API level programatically by the system constant (<code>Build.VERSION.SDK_INT</code>). For example you can run some piece of code which requires newer API in the following way (it will execute if the current device's API level is at least 4)

<pre><code>if (Build.VERSION.SDK_INT &gt;= Build.VERSION_CODES.DONUT) {

}
</code></pre>

To obtain user visible Android Version use:

<pre><code>Build.VERSION.RELEASE
</code></pre>

blocks|key|1045213|text|要获取设备的当前API，请执行以下操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1045214|int+MyDeviceAPI+=+Build.VERSION.SDK_INT;|code-block|syntax|javascript|1045215|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

To get your device current API :

<pre><code>int MyDeviceAPI = Build.VERSION.SDK_INT;
</code></pre>

blocks|key|1260123|text|非常简单：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1260124|String+manufacturer+=+Build.MANUFACTURER;
String+model+=+Build.MODEL;
int+version+=+Build.VERSION.SDK_INT;
String+versionRelease+=+Build.VERSION.RELEASE;

Log.e("MyActivity",+"manufacturer+"+%2B+manufacturer
++++++++++++%2B+"+\n+model+"+%2B+model
++++++++++++%2B+"+\n+version+"+%2B+version
++++++++++++%2B+"+\n+versionRelease+"+%2B+versionRelease
+++++);|code-block|syntax|javascript|1260125|输出：|1260126|E/MyActivity:+manufacturer+samsung+
++++++++++++++++model+SM-T310+
++++++++++++++++version+19+
++++++++++++++++versionRelease+4.4.2|1260127|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

<h1>Very easy:</h1>

<pre><code>String manufacturer = Build.MANUFACTURER;
String model = Build.MODEL;
int version = Build.VERSION.SDK_INT;
String versionRelease = Build.VERSION.RELEASE;

Log.e("MyActivity", "manufacturer " + manufacturer
 + " \n model " + model
 + " \n version " + version
 + " \n versionRelease " + versionRelease
 );
</code></pre>

<h1>Output:</h1>

<pre><code>E/MyActivity: manufacturer samsung 
 model SM-T310 
 version 19 
 versionRelease 4.4.2
</code></pre>

blocks|key|1045276|text|您可以获取设备的信息，如下所示。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1045277|Log.d(TAG,+"RELEASE+:+"+%2B+Build.VERSION.RELEASE);
Log.d(TAG,+"SDK+++++:+"+%2B+Build.VERSION.SDK_INT);|code-block|syntax|javascript|1045278|并且可以从操作系统获取Android版本代码历史记录。|1045279|for+(Field+field+:+Build.VERSION_CODES.class.getDeclaredFields())+{
++field.setAccessible(true);
++Log.d(TAG,+field.get(this)+%2B+"+->+"+%2B+field.getName());
}|1045280|这是输出。|1045281|RELEASE+:+5.1.1
SDK+++++:+22

1+->+BASE
2+->+BASE_1_1
3+->+CUPCAKE
10000+->+CUR_DEVELOPMENT
4+->+DONUT
5+->+ECLAIR
6+->+ECLAIR_0_1
7+->+ECLAIR_MR1
8+->+FROYO
9+->+GINGERBREAD
10+->+GINGERBREAD_MR1
11+->+HONEYCOMB
12+->+HONEYCOMB_MR1
13+->+HONEYCOMB_MR2
14+->+ICE_CREAM_SANDWICH
15+->+ICE_CREAM_SANDWICH_MR1
16+->+JELLY_BEAN
17+->+JELLY_BEAN_MR1
18+->+JELLY_BEAN_MR2
19+->+KITKAT
20+->+KITKAT_WATCH
21+->+L
21+->+LOLLIPOP
22+->+LOLLIPOP_MR1|1045282|因此，将这些与official+version+list结合起来。|offset|length|1045283|API+VERSION_CODE+++++++++++VERSION+++++++CODE_NAME+
1+++BASE+++++++++++++++++++1+++++++++++++(no+code+name)
2+++BASE_1_1+++++++++++++++1.1+++++++++++(no+code+name)
3+++CUPCAKE++++++++++++++++1.5+++++++++++Cupcake
4+++DONUT++++++++++++++++++1.6+++++++++++Donut
5+++ECLAIR+++++++++++++++++2+++++++++++++Eclair
6+++ECLAIR_0_1+++++++++++++2.0.1+++++++++Eclair
7+++ECLAIR_MR1+++++++++++++2.1+++++++++++Eclair
8+++FROYO++++++++++++++++++2.2.x+++++++++Froyo
9+++GINGERBREAD++++++++++++2.3+-+2.3.2+++Gingerbread
10++GINGERBREAD_MR1++++++++2.3.3+-+2.3.7+Gingerbread
11++HONEYCOMB++++++++++++++3+++++++++++++Honeycomb
12++HONEYCOMB_MR1++++++++++3.1+++++++++++Honeycomb
13++HONEYCOMB_MR2++++++++++3.2.x+++++++++Honeycomb
14++ICE_CREAM_SANDWICH+++++4.0.1+-+4.0.2+Ice+Cream+Sandwich
15++ICE_CREAM_SANDWICH_MR1+4.0.3+-+4.0.4+Ice+Cream+Sandwich
16++JELLY_BEAN+++++++++++++4.1.x+++++++++Jelly+Bean
17++JELLY_BEAN_MR1+++++++++4.2.x+++++++++Jelly+Bean
18++JELLY_BEAN_MR2+++++++++4.3.x+++++++++Jelly+Bean
19++KITKAT+++++++++++++++++4.4+-+4.4.4+++KitKat
20++KITKAT_WATCH+++++++++++4.4W++++++++++KitKat+Watch
21++LOLLIPOP+++++++++++++++5+++++++++++++Lollipop
22++LOLLIPOP_MR1+++++++++++5.1+++++++++++Lollipop
23++M++++++++++++++++++++++6+++++++++++++Marshmallow
24++N++++++++++++++++++++++7+++++++++++++Nougat
25++N_MR1++++++++++++++++++7.1+++++++++++Nougat|1045284|This说，a+version_code+of+API25+is+N_MR1。|1045285|entityMap|0|LINK|mutability|MUTABLE|url|https://source.android.com/source/build-numbers.html|1|https://developer.android.com/reference/android/os/Build.VERSION_CODES.html#N_MR1^0|0|0|0|0|0|0|7|L|0|0|0|0|4|1|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|17|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|18|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|19|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|1A|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|1B|8|@]|9|@]|A|$E|F]]|$1|O|3|P|5|6|7|1C|8|@]|9|@$Q|1D|R|1E|1|1F]]|A|$]]|$1|S|3|T|5|D|7|1G|8|@]|9|@]|A|$E|F]]|$1|U|3|V|5|6|7|1H|8|@]|9|@$Q|1I|R|1J|1|1K]]|A|$]]|$1|W|3|-4|5|6|7|1L|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13]]|14|$5|Z|10|11|A|$12|15]]]]

You can get device's information, as following.

<pre><code>Log.d(TAG, "RELEASE : " + Build.VERSION.RELEASE);
Log.d(TAG, "SDK : " + Build.VERSION.SDK_INT);
</code></pre>

and can get the Android version code history from OS.

<pre><code>for (Field field : Build.VERSION_CODES.class.getDeclaredFields()) {
 field.setAccessible(true);
 Log.d(TAG, field.get(this) + " -&gt; " + field.getName());
}
</code></pre>

This is output.

<pre><code>RELEASE : 5.1.1
SDK : 22

1 -&gt; BASE
2 -&gt; BASE_1_1
3 -&gt; CUPCAKE
10000 -&gt; CUR_DEVELOPMENT
4 -&gt; DONUT
5 -&gt; ECLAIR
6 -&gt; ECLAIR_0_1
7 -&gt; ECLAIR_MR1
8 -&gt; FROYO
9 -&gt; GINGERBREAD
10 -&gt; GINGERBREAD_MR1
11 -&gt; HONEYCOMB
12 -&gt; HONEYCOMB_MR1
13 -&gt; HONEYCOMB_MR2
14 -&gt; ICE_CREAM_SANDWICH
15 -&gt; ICE_CREAM_SANDWICH_MR1
16 -&gt; JELLY_BEAN
17 -&gt; JELLY_BEAN_MR1
18 -&gt; JELLY_BEAN_MR2
19 -&gt; KITKAT
20 -&gt; KITKAT_WATCH
21 -&gt; L
21 -&gt; LOLLIPOP
22 -&gt; LOLLIPOP_MR1
</code></pre>

so, combine these and <a href="https://source.android.com/source/build-numbers.html" rel="nofollow noreferrer">official version list</a>.

<pre><code>API VERSION_CODE VERSION CODE_NAME 
1 BASE 1 (no code name)
2 BASE_1_1 1.1 (no code name)
3 CUPCAKE 1.5 Cupcake
4 DONUT 1.6 Donut
5 ECLAIR 2 Eclair
6 ECLAIR_0_1 2.0.1 Eclair
7 ECLAIR_MR1 2.1 Eclair
8 FROYO 2.2.x Froyo
9 GINGERBREAD 2.3 - 2.3.2 Gingerbread
10 GINGERBREAD_MR1 2.3.3 - 2.3.7 Gingerbread
11 HONEYCOMB 3 Honeycomb
12 HONEYCOMB_MR1 3.1 Honeycomb
13 HONEYCOMB_MR2 3.2.x Honeycomb
14 ICE_CREAM_SANDWICH 4.0.1 - 4.0.2 Ice Cream Sandwich
15 ICE_CREAM_SANDWICH_MR1 4.0.3 - 4.0.4 Ice Cream Sandwich
16 JELLY_BEAN 4.1.x Jelly Bean
17 JELLY_BEAN_MR1 4.2.x Jelly Bean
18 JELLY_BEAN_MR2 4.3.x Jelly Bean
19 KITKAT 4.4 - 4.4.4 KitKat
20 KITKAT_WATCH 4.4W KitKat Watch
21 LOLLIPOP 5 Lollipop
22 LOLLIPOP_MR1 5.1 Lollipop
23 M 6 Marshmallow
24 N 7 Nougat
25 N_MR1 7.1 Nougat
</code></pre>

<a href="https://developer.android.com/reference/android/os/Build.VERSION_CODES.html#N_MR1" rel="nofollow noreferrer">This</a> says, a version_code of API25 is N_MR1.

How can I find out which API level my device is using? 

The firmware version is 1.6. Does that mean it uses API Level 4?

Programmatically obtain the Android API level of a device?

Android

我怎样才能知道我的设备使用的是哪个API级别？固件版本为1.6。这是否意味着它使用API Level 4？

问以编程方式获取设备的Android API级别？
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