boot into recovery via the pre-recovery service (3b0218b0) · Commits · e / os / android_frameworks_base

api/current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -109,6 +109,7 @@ package android {
		field public static final java.lang.String RECEIVE_SMS = "android.permission.RECEIVE_SMS";
		field public static final java.lang.String RECEIVE_WAP_PUSH = "android.permission.RECEIVE_WAP_PUSH";
		field public static final java.lang.String RECORD_AUDIO = "android.permission.RECORD_AUDIO";
		field public static final java.lang.String RECOVERY = "android.permission.RECOVERY";
		field public static final java.lang.String REORDER_TASKS = "android.permission.REORDER_TASKS";
		field public static final deprecated java.lang.String RESTART_PACKAGES = "android.permission.RESTART_PACKAGES";
		field public static final java.lang.String SEND_RESPOND_VIA_MESSAGE = "android.permission.SEND_RESPOND_VIA_MESSAGE";
		@@ -18878,6 +18879,7 @@ package android.os {
		field public static final deprecated int FULL_WAKE_LOCK = 26; // 0x1a
		field public static final int ON_AFTER_RELEASE = 536870912; // 0x20000000
		field public static final int PARTIAL_WAKE_LOCK = 1; // 0x1
		field public static final java.lang.String REBOOT_RECOVERY = "recovery";
		field public static final deprecated int SCREEN_BRIGHT_WAKE_LOCK = 10; // 0xa
		field public static final deprecated int SCREEN_DIM_WAKE_LOCK = 6; // 0x6
		}

core/java/android/os/PowerManager.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -290,6 +290,18 @@ public final class PowerManager {
		*/
		public static final int GO_TO_SLEEP_REASON_TIMEOUT = 2;

		/**
		* The value to pass as the 'reason' argument to reboot() to
		* reboot into recovery mode (for applying system updates, doing
		* factory resets, etc.).
		* <p>
		* Requires the {@link android.Manifest.permission#RECOVERY}
		* permission (in addition to
		* {@link android.Manifest.permission#REBOOT}).
		* </p>
		*/
		public static final String REBOOT_RECOVERY = "recovery";

		final Context mContext;
		final IPowerManager mService;
		final Handler mHandler;

core/res/AndroidManifest.xml

+8 −0

Original line number	Diff line number	Diff line
		@@ -1719,6 +1719,14 @@
		android:label="@string/permlab_manageCaCertificates"
		android:description="@string/permdesc_manageCaCertificates" />

		<!-- Allows an application to do certain operations needed for
		interacting with the recovery (system update) system. -->
		<permission android:name="android.permission.RECOVERY"
		android:permissionGroup="android.permission-group.SYSTEM_TOOLS"
		android:protectionLevel="signature\|system"
		android:label="@string/permlab_recovery"
		android:description="@string/permdesc_recovery" />

		<!-- ========================================= -->
		<!-- Permissions for special development tools -->
		<!-- ========================================= -->

core/res/res/values/strings.xml

+5 −0

Original line number	Diff line number	Diff line
		@@ -3644,6 +3644,11 @@
		<!-- Description of an application permission that lets it control keyguard. -->
		<string name="permdesc_control_keyguard">Allows an application to control keguard.</string>

		<!-- Title of an application permission that lets it interact with recovery. -->
		<string name="permlab_recovery">Interact with update and recovery system</string>
		<!-- Description of an application permission that lets it control keyguard. -->
		<string name="permdesc_recovery">Allows an application to interact with the recovery system and system updates.</string>

		<!-- Shown in the tutorial for tap twice for zoom control. -->
		<string name="tutorial_double_tap_to_zoom_message_short">Touch twice for zoom control</string>

services/core/java/com/android/server/power/PowerManagerService.java

+24 −5

Original line number	Diff line number	Diff line
		@@ -1830,9 +1830,10 @@ public final class PowerManagerService extends com.android.server.SystemService
		}

		/**
		* Low-level function to reboot the device. On success, this function
		* doesn't return. If more than 5 seconds passes from the time,
		* a reboot is requested, this method returns.
		* Low-level function to reboot the device. On success, this
		* function doesn't return. If more than 20 seconds passes from
		* the time a reboot is requested (120 seconds for reboot to
		* recovery), this method returns.
		*
		* @param reason code to pass to the kernel (e.g. "recovery"), or null.
		*/
		@@ -1840,9 +1841,24 @@ public final class PowerManagerService extends com.android.server.SystemService
		if (reason == null) {
		reason = "";
		}
		long duration;
		if (reason.equals(PowerManager.REBOOT_RECOVERY)) {
		// If we are rebooting to go into recovery, instead of
		// setting sys.powerctl directly we'll start the
		// pre-recovery service which will do some preparation for
		// recovery and then reboot for us.
		//
		// This preparation can take more than 20 seconds if
		// there's a very large update package, so lengthen the
		// timeout.
		SystemProperties.set("ctl.start", "pre-recovery");
		duration = 120 * 1000L;
		} else {
		SystemProperties.set("sys.powerctl", "reboot," + reason);
		duration = 20 * 1000L;
		}
		try {
		Thread.sleep(20000);
		Thread.sleep(duration);
		} catch (InterruptedException e) {
		Thread.currentThread().interrupt();
		}
		@@ -2524,6 +2540,9 @@ public final class PowerManagerService extends com.android.server.SystemService
		@Override // Binder call
		public void reboot(boolean confirm, String reason, boolean wait) {
		mContext.enforceCallingOrSelfPermission(android.Manifest.permission.REBOOT, null);
		if (PowerManager.REBOOT_RECOVERY.equals(reason)) {
		mContext.enforceCallingOrSelfPermission(android.Manifest.permission.RECOVERY, null);
		}

		final long ident = Binder.clearCallingIdentity();
		try {