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Merge "Add Build.VERSION.PREVIEW_SDK_INT" into mnc-dev

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This commit is contained in:
Adam Powell
2015-05-08 17:59:29 +00:00
committed by Android (Google) Code Review
parent e1a1d2e85a e960030f75
commit 5b56159b8e
3 changed files with 23 additions and 0 deletions
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1
api/current.txt
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@@ -22667,6 +22667,7 @@ package android.os {
ctor public Build.VERSION();
field public static final java.lang.String CODENAME;
field public static final java.lang.String INCREMENTAL;
field public static final int PREVIEW_SDK_INT;
field public static final java.lang.String RELEASE;
field public static final deprecated java.lang.String SDK;
field public static final int SDK_INT;

1
api/system-current.txt
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@@ -24566,6 +24566,7 @@ package android.os {
ctor public Build.VERSION();
field public static final java.lang.String CODENAME;
field public static final java.lang.String INCREMENTAL;
field public static final int PREVIEW_SDK_INT;
field public static final java.lang.String RELEASE;
field public static final deprecated java.lang.String SDK;
field public static final int SDK_INT;

21
core/java/android/os/Build.java
View File

@@ -172,6 +172,27 @@ public class Build {
public static final int SDK_INT = SystemProperties.getInt(
"ro.build.version.sdk", 0);
/**
* The developer preview revision of a prerelease SDK. This value will always
* be <code>0</code> on production platform builds/devices.
*
* <p>When this value is nonzero, any new API added since the last
* officially published {@link #SDK_INT API level} is only guaranteed to be present
* on that specific preview revision. For example, an API <code>Activity.fooBar()</code>
* might be present in preview revision 1 but renamed or removed entirely in
* preview revision 2, which may cause an app attempting to call it to crash
* at runtime.</p>
*
* <p>Experimental apps targeting preview APIs should check this value for
* equality (<code>==</code>) with the preview SDK revision they were built for
* before using any prerelease platform APIs. Apps that detect a preview SDK revision
* other than the specific one they expect should fall back to using APIs from
* the previously published API level only to avoid unwanted runtime exceptions.
* </p>
*/
public static final int PREVIEW_SDK_INT = SystemProperties.getInt(
"ro.build.version.preview_sdk", 0);
/**
* The current development codename, or the string "REL" if this is
* a release build.