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Updates the doc for FEATURE_WINDOW_MAGNIFICATION

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If this feature is not supported,
1. Settings should hide window magnification settings.
2. Magnification mode settings should fallback to.
  full-screen settings.

Bug: 225086379
Test: none
Change-Id: I3248034d25eb88136bda1874092319d4702be455
This commit is contained in:
mincheli
2022-03-25 15:17:48 +08:00
parent fb19b74f92
commit 76ee08efb5
2 changed files with 10 additions and 5 deletions
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13
core/java/android/accessibilityservice/MagnificationConfig.java
View File

@@ -42,9 +42,9 @@ import java.lang.annotation.RetentionPolicy;
* </p>
*
* <p>
* When the magnification config uses {@link #MAGNIFICATION_MODE_WINDOW}.
* {@link AccessibilityService} will be able to control the activated window magnifier
* on the display.
* When the magnification config uses {@link #MAGNIFICATION_MODE_WINDOW} and the platform
* supports {@link android.content.pm.PackageManager#FEATURE_WINDOW_MAGNIFICATION} feature.
* {@link AccessibilityService} will be able to control window magnifier on the display.
* </p>
*
* <p>
@@ -57,9 +57,12 @@ public final class MagnificationConfig implements Parcelable {
/** The controlling magnification mode. It controls the activated magnifier. */
public static final int MAGNIFICATION_MODE_DEFAULT = 0;
/** The controlling magnification mode. It controls fullscreen magnifier. */
/** The controlling magnification mode. It controls full-screen magnifier. */
public static final int MAGNIFICATION_MODE_FULLSCREEN = 1;
/** The controlling magnification mode. It controls window magnifier. */
/**
* The controlling magnification mode. It is valid if the platform supports
* {@link android.content.pm.PackageManager#FEATURE_WINDOW_MAGNIFICATION} feature.
*/
public static final int MAGNIFICATION_MODE_WINDOW = 2;
/** @hide */

2
core/java/android/content/pm/PackageManager.java
View File

@@ -4188,6 +4188,8 @@ public abstract class PackageManager {
/**
* Feature for {@link #getSystemAvailableFeatures} and {@link #hasSystemFeature}: The device
* supports window magnification.
*
* @see android.accessibilityservice.MagnificationConfig#MAGNIFICATION_MODE_WINDOW
*/
@SdkConstant(SdkConstantType.FEATURE)
public static final String FEATURE_WINDOW_MAGNIFICATION =