Rename hideybars constant to SYSTEM_UI_FLAG_IMMERSIVE.
And add more colour to the docs.
Bug:10460791
Change-Id: I703d927101bb034ba6dd061e6afd3e1946440fe5
diff --git a/api/current.txt b/api/current.txt
index 3325dc6..94cdc9e 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -27777,9 +27777,9 @@
field public static final int SOUND_EFFECTS_ENABLED = 134217728; // 0x8000000
field public static final deprecated int STATUS_BAR_HIDDEN = 1; // 0x1
field public static final deprecated int STATUS_BAR_VISIBLE = 0; // 0x0
- field public static final int SYSTEM_UI_FLAG_ALLOW_TRANSIENT = 2048; // 0x800
field public static final int SYSTEM_UI_FLAG_FULLSCREEN = 4; // 0x4
field public static final int SYSTEM_UI_FLAG_HIDE_NAVIGATION = 2; // 0x2
+ field public static final int SYSTEM_UI_FLAG_IMMERSIVE = 2048; // 0x800
field public static final int SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN = 1024; // 0x400
field public static final int SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION = 512; // 0x200
field public static final int SYSTEM_UI_FLAG_LAYOUT_STABLE = 256; // 0x100
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 4a3803e..07beb36 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -2375,20 +2375,29 @@
public static final int SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN = 0x00000400;
/**
- * Flag for {@link #setSystemUiVisibility(int)}: View would like to receive touch events
- * when hiding the status bar with {@link #SYSTEM_UI_FLAG_FULLSCREEN} and/or hiding the
- * navigation bar with {@link #SYSTEM_UI_FLAG_HIDE_NAVIGATION} instead of having the system
- * clear these flags upon interaction. The system may compensate by temporarily overlaying
- * semi-transparent system bars while also delivering the event.
+ * Flag for {@link #setSystemUiVisibility(int)}: View would like to remain interactive when
+ * hiding the status bar with {@link #SYSTEM_UI_FLAG_FULLSCREEN} and/or hiding the navigation
+ * bar with {@link #SYSTEM_UI_FLAG_HIDE_NAVIGATION}. Use this flag to create an immersive
+ * experience while also hiding the system bars. If this flag is not set,
+ * {@link #SYSTEM_UI_FLAG_HIDE_NAVIGATION} will be force cleared by the system on any user
+ * interaction, and {@link #SYSTEM_UI_FLAG_FULLSCREEN} will be force-cleared by the system
+ * if the user swipes from the top of the screen.
+ * <p>When system bars are hidden in immersive mode, they can be revealed temporarily with
+ * system gestures, such as swiping from the top of the screen. These transient system bars
+ * will overlay app’s content, may have some degree of transparency, and will automatically
+ * hide after a short timeout.
+ * </p><p>Since this flag is a modifier for {@link #SYSTEM_UI_FLAG_FULLSCREEN} and
+ * {@link #SYSTEM_UI_FLAG_HIDE_NAVIGATION}, it only has an effect when used in combination
+ * with one or both of those flags.</p>
*/
- public static final int SYSTEM_UI_FLAG_ALLOW_TRANSIENT = 0x00000800;
+ public static final int SYSTEM_UI_FLAG_IMMERSIVE = 0x00000800;
/**
* Flag for {@link #setSystemUiVisibility(int)}: View would like the status bar to have
* transparency.
*
* <p>The transparency request may be denied if the bar is in another mode with a specific
- * style, like {@link #SYSTEM_UI_FLAG_ALLOW_TRANSIENT transient mode}.
+ * style, like {@link #SYSTEM_UI_FLAG_IMMERSIVE immersive mode}.
*/
public static final int SYSTEM_UI_FLAG_TRANSPARENT_STATUS = 0x00001000;
@@ -2397,7 +2406,7 @@
* transparency.
*
* <p>The transparency request may be denied if the bar is in another mode with a specific
- * style, like {@link #SYSTEM_UI_FLAG_ALLOW_TRANSIENT transient mode}.
+ * style, like {@link #SYSTEM_UI_FLAG_IMMERSIVE immersive mode}.
*/
public static final int SYSTEM_UI_FLAG_TRANSPARENT_NAVIGATION = 0x00002000;
@@ -16653,7 +16662,7 @@
* @param visibility Bitwise-or of flags {@link #SYSTEM_UI_FLAG_LOW_PROFILE},
* {@link #SYSTEM_UI_FLAG_HIDE_NAVIGATION}, {@link #SYSTEM_UI_FLAG_FULLSCREEN},
* {@link #SYSTEM_UI_FLAG_LAYOUT_STABLE}, {@link #SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION},
- * {@link #SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN}, {@link #SYSTEM_UI_FLAG_ALLOW_TRANSIENT},
+ * {@link #SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN}, {@link #SYSTEM_UI_FLAG_IMMERSIVE},
* {@link #SYSTEM_UI_FLAG_TRANSPARENT_STATUS},
* and {@link #SYSTEM_UI_FLAG_TRANSPARENT_NAVIGATION}.
*/
@@ -16671,7 +16680,7 @@
* @return Bitwise-or of flags {@link #SYSTEM_UI_FLAG_LOW_PROFILE},
* {@link #SYSTEM_UI_FLAG_HIDE_NAVIGATION}, {@link #SYSTEM_UI_FLAG_FULLSCREEN},
* {@link #SYSTEM_UI_FLAG_LAYOUT_STABLE}, {@link #SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION},
- * {@link #SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN}, {@link #SYSTEM_UI_FLAG_ALLOW_TRANSIENT},
+ * {@link #SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN}, {@link #SYSTEM_UI_FLAG_IMMERSIVE},
* {@link #SYSTEM_UI_FLAG_TRANSPARENT_STATUS},
* and {@link #SYSTEM_UI_FLAG_TRANSPARENT_NAVIGATION}.
*/
diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
index 8fc61155..55d1917 100644
--- a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -2692,7 +2692,7 @@
final int sysui = mLastSystemUiFlags;
boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
boolean navTransparent = (sysui & View.SYSTEM_UI_FLAG_TRANSPARENT_NAVIGATION) != 0;
- boolean transientAllowed = (sysui & View.SYSTEM_UI_FLAG_ALLOW_TRANSIENT) != 0;
+ boolean transientAllowed = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
navTransparent &= !transientAllowed; // transient trumps transparent
// When the navigation bar isn't visible, we put up a fake
@@ -5054,13 +5054,13 @@
if (statusBarHasFocus) {
int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
- | View.SYSTEM_UI_FLAG_ALLOW_TRANSIENT;
+ | View.SYSTEM_UI_FLAG_IMMERSIVE;
vis = (vis & ~flags) | (mLastSystemUiFlags & flags);
}
// update status bar
boolean transientAllowed =
- (vis & View.SYSTEM_UI_FLAG_ALLOW_TRANSIENT) != 0;
+ (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
boolean hideStatusBarWM =
(mFocusedWindow.getAttrs().flags
& WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
@@ -5105,7 +5105,7 @@
private boolean isTransientNavigationAllowed(int vis) {
return mNavigationBar != null
&& (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
- && (vis & View.SYSTEM_UI_FLAG_ALLOW_TRANSIENT) != 0;
+ && (vis & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
}
// Temporary helper that allows testing immersive mode on existing apps
@@ -5133,7 +5133,7 @@
if (sForced.contains(parseActivity(focused))) {
vis |= View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
View.SYSTEM_UI_FLAG_FULLSCREEN |
- View.SYSTEM_UI_FLAG_ALLOW_TRANSIENT;
+ View.SYSTEM_UI_FLAG_IMMERSIVE;
}
return vis;
}