Merge "Add an API to tell whenever device supports userspace reboot"
diff --git a/api/current.txt b/api/current.txt
index 5d15646..a074d19 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -35016,11 +35016,12 @@
method public boolean isIgnoringBatteryOptimizations(String);
method public boolean isInteractive();
method public boolean isPowerSaveMode();
+ method public boolean isRebootingUserspaceSupported();
method @Deprecated public boolean isScreenOn();
method public boolean isSustainedPerformanceModeSupported();
method public boolean isWakeLockLevelSupported(int);
method public android.os.PowerManager.WakeLock newWakeLock(int, String);
- method public void reboot(String);
+ method public void reboot(@Nullable String);
method public void removeThermalStatusListener(@NonNull android.os.PowerManager.OnThermalStatusChangedListener);
field public static final int ACQUIRE_CAUSES_WAKEUP = 268435456; // 0x10000000
field public static final String ACTION_DEVICE_IDLE_MODE_CHANGED = "android.os.action.DEVICE_IDLE_MODE_CHANGED";
diff --git a/api/system-current.txt b/api/system-current.txt
index 01cab53..f2424e1 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5995,6 +5995,7 @@
method @RequiresPermission(anyOf={android.Manifest.permission.DEVICE_POWER, android.Manifest.permission.USER_ACTIVITY}) public void userActivity(long, int, int);
field public static final int POWER_SAVE_MODE_TRIGGER_DYNAMIC = 1; // 0x1
field public static final int POWER_SAVE_MODE_TRIGGER_PERCENTAGE = 0; // 0x0
+ field public static final String REBOOT_USERSPACE = "userspace";
field public static final int USER_ACTIVITY_EVENT_ACCESSIBILITY = 3; // 0x3
field public static final int USER_ACTIVITY_EVENT_BUTTON = 1; // 0x1
field public static final int USER_ACTIVITY_EVENT_OTHER = 0; // 0x0
diff --git a/core/java/android/os/PowerManager.java b/core/java/android/os/PowerManager.java
index ab4d424..c618dbc 100644
--- a/core/java/android/os/PowerManager.java
+++ b/core/java/android/os/PowerManager.java
@@ -20,6 +20,7 @@
import android.annotation.CallbackExecutor;
import android.annotation.IntDef;
import android.annotation.NonNull;
+import android.annotation.Nullable;
import android.annotation.RequiresPermission;
import android.annotation.SdkConstant;
import android.annotation.SystemApi;
@@ -605,6 +606,13 @@
public static final String REBOOT_SAFE_MODE = "safemode";
/**
+ * The 'reason' value used for rebooting userspace.
+ * @hide
+ */
+ @SystemApi
+ public static final String REBOOT_USERSPACE = "userspace";
+
+ /**
* The 'reason' value used when rebooting the device without turning on the screen.
* @hide
*/
@@ -1383,6 +1391,14 @@
}
/**
+ * Returns {@code true} if this device supports rebooting userspace.
+ */
+ // TODO(b/138605180): add link to documentation once it's ready.
+ public boolean isRebootingUserspaceSupported() {
+ return SystemProperties.getBoolean("ro.init.userspace_reboot.is_supported", false);
+ }
+
+ /**
* Reboot the device. Will not return if the reboot is successful.
* <p>
* Requires the {@link android.Manifest.permission#REBOOT} permission.
@@ -1390,8 +1406,14 @@
*
* @param reason code to pass to the kernel (e.g., "recovery") to
* request special boot modes, or null.
+ * @throws UnsupportedOperationException if userspace reboot was requested on a device that
+ * doesn't support it.
*/
- public void reboot(String reason) {
+ public void reboot(@Nullable String reason) {
+ if (REBOOT_USERSPACE.equals(reason) && !isRebootingUserspaceSupported()) {
+ throw new UnsupportedOperationException(
+ "Attempted userspace reboot on a device that doesn't support it");
+ }
try {
mService.reboot(false, reason, true);
} catch (RemoteException e) {
diff --git a/core/tests/coretests/src/android/os/PowerManagerTest.java b/core/tests/coretests/src/android/os/PowerManagerTest.java
index 576ac73..5cb7852 100644
--- a/core/tests/coretests/src/android/os/PowerManagerTest.java
+++ b/core/tests/coretests/src/android/os/PowerManagerTest.java
@@ -239,4 +239,17 @@
verify(mListener2, timeout(CALLBACK_TIMEOUT_MILLI_SEC)
.times(1)).onThermalStatusChanged(status);
}
+
+ @Test
+ public void testUserspaceRebootNotSupported_throwsUnsupportedOperationException() {
+ // Can't use assumption framework with AndroidTestCase :(
+ if (mPm.isRebootingUserspaceSupported()) {
+ return;
+ }
+ try {
+ mPm.reboot(PowerManager.REBOOT_USERSPACE);
+ fail("UnsupportedOperationException not thrown");
+ } catch (UnsupportedOperationException expected) {
+ }
+ }
}