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-rw-r--r--core/java/android/app/ActivityManagerNative.java22
-rw-r--r--core/java/android/app/IActivityManager.java5
-rw-r--r--core/java/android/content/Intent.java10
-rw-r--r--core/java/android/content/SyncManager.java12
-rw-r--r--core/java/android/content/SyncStorageEngine.java19
-rw-r--r--core/java/android/os/Power.java7
-rw-r--r--core/java/com/android/internal/app/ShutdownThread.java241
-rw-r--r--core/res/AndroidManifest.xml8
-rw-r--r--core/res/res/values/strings.xml6
9 files changed, 322 insertions, 8 deletions
diff --git a/core/java/android/app/ActivityManagerNative.java b/core/java/android/app/ActivityManagerNative.java
index 53e6f34..541f413 100644
--- a/core/java/android/app/ActivityManagerNative.java
+++ b/core/java/android/app/ActivityManagerNative.java
@@ -990,6 +990,14 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
return true;
}
+ case SHUTDOWN_TRANSACTION: {
+ data.enforceInterface(IActivityManager.descriptor);
+ boolean res = shutdown(data.readInt());
+ reply.writeNoException();
+ reply.writeInt(res ? 1 : 0);
+ return true;
+ }
+
case PEEK_SERVICE_TRANSACTION: {
data.enforceInterface(IActivityManager.descriptor);
Intent service = Intent.CREATOR.createFromParcel(data);
@@ -2160,5 +2168,19 @@ class ActivityManagerProxy implements IActivityManager
return res;
}
+ public boolean shutdown(int timeout) throws RemoteException
+ {
+ Parcel data = Parcel.obtain();
+ Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(IActivityManager.descriptor);
+ data.writeInt(timeout);
+ mRemote.transact(SHUTDOWN_TRANSACTION, data, reply, 0);
+ reply.readException();
+ boolean res = reply.readInt() != 0;
+ reply.recycle();
+ data.recycle();
+ return res;
+ }
+
private IBinder mRemote;
}
diff --git a/core/java/android/app/IActivityManager.java b/core/java/android/app/IActivityManager.java
index 2ac6160..56b29c1 100644
--- a/core/java/android/app/IActivityManager.java
+++ b/core/java/android/app/IActivityManager.java
@@ -16,7 +16,6 @@
package android.app;
-import android.app.ActivityManager.MemoryInfo;
import android.content.ComponentName;
import android.content.ContentProviderNative;
import android.content.IContentProvider;
@@ -34,7 +33,6 @@ import android.os.IInterface;
import android.os.Parcel;
import android.os.Parcelable;
import android.os.ParcelFileDescriptor;
-import android.text.TextUtils;
import android.os.Bundle;
import java.util.List;
@@ -225,6 +223,8 @@ public interface IActivityManager extends IInterface {
public boolean profileControl(String process, boolean start,
String path) throws RemoteException;
+ public boolean shutdown(int timeout) throws RemoteException;
+
/*
* Private non-Binder interfaces
*/
@@ -370,4 +370,5 @@ public interface IActivityManager extends IInterface {
int GET_DEVICE_CONFIGURATION_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+83;
int PEEK_SERVICE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+84;
int PROFILE_CONTROL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+85;
+ int SHUTDOWN_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+86;
}
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index ebdd588..e8ca27b 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -510,6 +510,7 @@ import java.util.Set;
* <li> {@link #ACTION_BATTERY_CHANGED}
* <li> {@link #ACTION_POWER_CONNECTED}
* <li> {@link #ACTION_POWER_DISCONNECTED}
+ * <li> {@link #ACTION_SHUTDOWN}
* </ul>
*
* <h3>Standard Categories</h3>
@@ -1271,6 +1272,15 @@ public class Intent implements Parcelable {
public static final String ACTION_POWER_DISCONNECTED =
"android.intent.action.POWER_DISCONNECTED";
/**
+ * Broadcast Action: Device is shutting down.
+ * This is broadcast when the device is being shut down (completely turned
+ * off, not sleeping). Once the broadcast is complete, the final shutdown
+ * will proceed and all unsaved data lost. Apps will not normally need
+ * to handle this, since the forground activity will be paused as well.
+ */
+ @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
+ public static final String ACTION_SHUTDOWN = "android.intent.action.ACTION_SHUTDOWN";
+ /**
* Broadcast Action: Indicates low memory condition on the device
*/
@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
diff --git a/core/java/android/content/SyncManager.java b/core/java/android/content/SyncManager.java
index 019abb8..03cfbea 100644
--- a/core/java/android/content/SyncManager.java
+++ b/core/java/android/content/SyncManager.java
@@ -255,6 +255,14 @@ class SyncManager implements OnAccountsUpdatedListener {
}
};
+ private BroadcastReceiver mShutdownIntentReceiver =
+ new BroadcastReceiver() {
+ public void onReceive(Context context, Intent intent) {
+ Log.w(TAG, "Writing sync state before shutdown...");
+ getSyncStorageEngine().writeAllState();
+ }
+ };
+
private static final String ACTION_SYNC_ALARM = "android.content.syncmanager.SYNC_ALARM";
private static final String SYNC_POLL_ALARM = "android.content.syncmanager.SYNC_POLL_ALARM";
private final SyncHandler mSyncHandler;
@@ -301,6 +309,10 @@ class SyncManager implements OnAccountsUpdatedListener {
intentFilter.addAction(Intent.ACTION_DEVICE_STORAGE_OK);
context.registerReceiver(mStorageIntentReceiver, intentFilter);
+ intentFilter = new IntentFilter(Intent.ACTION_SHUTDOWN);
+ intentFilter.setPriority(100);
+ context.registerReceiver(mShutdownIntentReceiver, intentFilter);
+
if (!factoryTest) {
mNotificationMgr = (NotificationManager)
context.getSystemService(Context.NOTIFICATION_SERVICE);
diff --git a/core/java/android/content/SyncStorageEngine.java b/core/java/android/content/SyncStorageEngine.java
index e20e70f..8379795 100644
--- a/core/java/android/content/SyncStorageEngine.java
+++ b/core/java/android/content/SyncStorageEngine.java
@@ -740,7 +740,7 @@ public class SyncStorageEngine extends Handler {
}
boolean writeStatisticsNow = false;
- int day = getCurrentDay();
+ int day = getCurrentDayLocked();
if (mDayStats[0] == null) {
mDayStats[0] = new DayStats(day);
} else if (day != mDayStats[0].day) {
@@ -929,7 +929,7 @@ public class SyncStorageEngine extends Handler {
}
}
- private int getCurrentDay() {
+ private int getCurrentDayLocked() {
mCal.setTimeInMillis(System.currentTimeMillis());
final int dayOfYear = mCal.get(Calendar.DAY_OF_YEAR);
if (mYear != mCal.get(Calendar.YEAR)) {
@@ -1009,6 +1009,21 @@ public class SyncStorageEngine extends Handler {
return status;
}
+ public void writeAllState() {
+ synchronized (mAuthorities) {
+ // Account info is always written so no need to do it here.
+
+ if (mNumPendingFinished > 0) {
+ // Only write these if they are out of date.
+ writePendingOperationsLocked();
+ }
+
+ // Just always write these... they are likely out of date.
+ writeStatusLocked();
+ writeStatisticsLocked();
+ }
+ }
+
/**
* Read all account information back in to the initial engine state.
*/
diff --git a/core/java/android/os/Power.java b/core/java/android/os/Power.java
index 47497e5..3679e47 100644
--- a/core/java/android/os/Power.java
+++ b/core/java/android/os/Power.java
@@ -80,10 +80,9 @@ public class Power
public static native int setLastUserActivityTimeout(long ms);
/**
- * Turn the device off.
- *
- * This method is considered deprecated in favor of
- * {@link android.policy.ShutdownThread.shutdownAfterDisablingRadio()}.
+ * Low-level function turn the device off immediately, without trying
+ * to be clean. Most people should use
+ * {@link android.internal.app.ShutdownThread} for a clean shutdown.
*
* @deprecated
* @hide
diff --git a/core/java/com/android/internal/app/ShutdownThread.java b/core/java/com/android/internal/app/ShutdownThread.java
new file mode 100644
index 0000000..77d6e20
--- /dev/null
+++ b/core/java/com/android/internal/app/ShutdownThread.java
@@ -0,0 +1,241 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+package com.android.internal.app;
+
+import android.app.ActivityManagerNative;
+import android.app.IActivityManager;
+import android.app.ProgressDialog;
+import android.app.AlertDialog;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.IBluetoothDevice;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.os.Handler;
+import android.os.RemoteException;
+import android.os.Power;
+import android.os.ServiceManager;
+import android.os.SystemClock;
+import com.android.internal.telephony.ITelephony;
+import android.util.Log;
+import android.view.WindowManager;
+
+public final class ShutdownThread extends Thread {
+ // constants
+ private static final String TAG = "ShutdownThread";
+ private static final int MAX_NUM_PHONE_STATE_READS = 16;
+ private static final int PHONE_STATE_POLL_SLEEP_MSEC = 500;
+ // maximum time we wait for the shutdown broadcast before going on.
+ private static final int MAX_BROADCAST_TIME = 10*1000;
+
+ // state tracking
+ private static Object sIsStartedGuard = new Object();
+ private static boolean sIsStarted = false;
+
+ // static instance of this thread
+ private static final ShutdownThread sInstance = new ShutdownThread();
+
+ private final Object mBroadcastDoneSync = new Object();
+ private boolean mBroadcastDone;
+ private Context mContext;
+ private Handler mHandler;
+
+ private ShutdownThread() {
+ }
+
+ /**
+ * Request a clean shutdown, waiting for subsystems to clean up their
+ * state etc. Must be called from a Looper thread in which its UI
+ * is shown.
+ *
+ * @param context Context used to display the shutdown progress dialog.
+ */
+ public static void shutdown(final Context context, boolean confirm) {
+ // ensure that only one thread is trying to power down.
+ // any additional calls are just returned
+ synchronized (sIsStartedGuard){
+ if (sIsStarted) {
+ Log.d(TAG, "Request to shutdown already running, returning.");
+ return;
+ }
+ }
+
+ Log.d(TAG, "Notifying thread to start radio shutdown");
+
+ if (confirm) {
+ final AlertDialog dialog = new AlertDialog.Builder(context)
+ .setIcon(android.R.drawable.ic_dialog_alert)
+ .setTitle(com.android.internal.R.string.power_off)
+ .setMessage(com.android.internal.R.string.shutdown_confirm)
+ .setPositiveButton(com.android.internal.R.string.yes, new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int which) {
+ beginShutdownSequence(context);
+ }
+ })
+ .setNegativeButton(com.android.internal.R.string.no, null)
+ .create();
+ dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
+ dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
+ dialog.show();
+ } else {
+ beginShutdownSequence(context);
+ }
+ }
+
+ private static void beginShutdownSequence(Context context) {
+ synchronized (sIsStartedGuard) {
+ sIsStarted = true;
+ }
+
+ // throw up an indeterminate system dialog to indicate radio is
+ // shutting down.
+ ProgressDialog pd = new ProgressDialog(context);
+ pd.setTitle(context.getText(com.android.internal.R.string.power_off));
+ pd.setMessage(context.getText(com.android.internal.R.string.shutdown_progress));
+ pd.setIndeterminate(true);
+ pd.setCancelable(false);
+ pd.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
+ pd.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
+
+ pd.show();
+
+ // start the thread that initiates shutdown
+ sInstance.mContext = context;
+ sInstance.mHandler = new Handler() {
+ };
+ sInstance.start();
+ }
+
+ void broadcastDone() {
+ synchronized (mBroadcastDoneSync) {
+ mBroadcastDone = true;
+ mBroadcastDoneSync.notifyAll();
+ }
+ }
+
+ /**
+ * Makes sure we handle the shutdown gracefully.
+ * Shuts off power regardless of radio and bluetooth state if the alloted time has passed.
+ */
+ public void run() {
+ boolean bluetoothOff;
+ boolean radioOff;
+
+ BroadcastReceiver br = new BroadcastReceiver() {
+ @Override public void onReceive(Context context, Intent intent) {
+ // We don't allow apps to cancel this, so ignore the result.
+ broadcastDone();
+ }
+ };
+
+ Log.i(TAG, "Sending shutdown broadcast...");
+
+ // First send the high-level shut down broadcast.
+ mBroadcastDone = false;
+ mContext.sendOrderedBroadcast(new Intent(Intent.ACTION_SHUTDOWN), null,
+ br, mHandler, 0, null, null);
+
+ final long endTime = System.currentTimeMillis() + MAX_BROADCAST_TIME;
+ synchronized (mBroadcastDoneSync) {
+ while (!mBroadcastDone) {
+ long delay = endTime - System.currentTimeMillis();
+ if (delay <= 0) {
+ Log.w(TAG, "Shutdown broadcast timed out");
+ break;
+ }
+ try {
+ mBroadcastDoneSync.wait(delay);
+ } catch (InterruptedException e) {
+ }
+ }
+ }
+
+ Log.i(TAG, "Shutting down activity manager...");
+
+ final IActivityManager am =
+ ActivityManagerNative.asInterface(ServiceManager.checkService("activity"));
+ if (am != null) {
+ try {
+ am.shutdown(MAX_BROADCAST_TIME);
+ } catch (RemoteException e) {
+ }
+ }
+
+ final ITelephony phone =
+ ITelephony.Stub.asInterface(ServiceManager.checkService("phone"));
+ final IBluetoothDevice bluetooth =
+ IBluetoothDevice.Stub.asInterface(ServiceManager.checkService(
+ Context.BLUETOOTH_SERVICE));
+
+ try {
+ bluetoothOff = bluetooth == null ||
+ bluetooth.getBluetoothState() == BluetoothDevice.BLUETOOTH_STATE_OFF;
+ if (!bluetoothOff) {
+ Log.w(TAG, "Disabling Bluetooth...");
+ bluetooth.disable(false); // disable but don't persist new state
+ }
+ } catch (RemoteException ex) {
+ Log.e(TAG, "RemoteException during bluetooth shutdown", ex);
+ bluetoothOff = true;
+ }
+
+ try {
+ radioOff = phone == null || !phone.isRadioOn();
+ if (!radioOff) {
+ Log.w(TAG, "Turning off radio...");
+ phone.setRadio(false);
+ }
+ } catch (RemoteException ex) {
+ Log.e(TAG, "RemoteException during radio shutdown", ex);
+ radioOff = true;
+ }
+
+ Log.i(TAG, "Waiting for Bluetooth and Radio...");
+
+ // Wait a max of 32 seconds for clean shutdown
+ for (int i = 0; i < MAX_NUM_PHONE_STATE_READS; i++) {
+ if (!bluetoothOff) {
+ try {
+ bluetoothOff =
+ bluetooth.getBluetoothState() == BluetoothDevice.BLUETOOTH_STATE_OFF;
+ } catch (RemoteException ex) {
+ Log.e(TAG, "RemoteException during bluetooth shutdown", ex);
+ bluetoothOff = true;
+ }
+ }
+ if (!radioOff) {
+ try {
+ radioOff = !phone.isRadioOn();
+ } catch (RemoteException ex) {
+ Log.e(TAG, "RemoteException during radio shutdown", ex);
+ radioOff = true;
+ }
+ }
+ if (radioOff && bluetoothOff) {
+ Log.i(TAG, "Radio and Bluetooth shutdown complete.");
+ break;
+ }
+ SystemClock.sleep(PHONE_STATE_POLL_SLEEP_MSEC);
+ }
+
+ //shutdown power
+ Log.i(TAG, "Performing low-level shutdown...");
+ Power.shutdown();
+ }
+}
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 02a6e92..9dd2058 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -803,6 +803,14 @@
android:description="@string/permdesc_runSetActivityWatcher"
android:protectionLevel="signature" />
+ <!-- Allows an application to watch and control how activities are
+ started globally in the system. Only for is in debugging
+ (usually the monkey command). -->
+ <permission android:name="android.permission.SHUTDOWN"
+ android:label="@string/permlab_shutdown"
+ android:description="@string/permdesc_shutdown"
+ android:protectionLevel="signature" />
+
<!-- Allows an application to retrieve the current state of keys and
switches. This is only for use by the system.-->
<permission android:name="android.permission.READ_INPUT_STATE"
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 1f20237..d016689 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -474,6 +474,12 @@
the system, and steal or corrupt any data on it.</string>
<!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
+ <string name="permlab_shutdown">partial shutdown</string>
+ <!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
+ <string name="permdesc_shutdown">Puts the activity manager into a shutdown
+ state. Does not perform a complete shutdown.</string>
+
+ <!-- Title of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
<string name="permlab_runSetActivityWatcher">monitor and control all application launching</string>
<!-- Description of an application permission, listed so the user can choose whether they want to allow the application to do this. -->
<string name="permdesc_runSetActivityWatcher">Allows an application to
generated by cgit v1.1 at 2025-08-15 02:40:18 +0000