b8f9ab6792
Change-Id: Id0c0659c29190609bf9ccf4acb56b9402157f41a Signed-off-by: Mike Lockwood <lockwood@android.com>
634 lines
24 KiB
Java
634 lines
24 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.deviceinfo;
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import com.android.internal.app.IMediaContainerService;
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import com.android.settings.R;
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import com.android.settings.SettingsPreferenceFragment;
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import android.app.Activity;
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import android.app.ActivityManager;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.BroadcastReceiver;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.content.ServiceConnection;
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import android.content.DialogInterface.OnCancelListener;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.IPackageStatsObserver;
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import android.content.pm.PackageManager;
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import android.content.pm.PackageStats;
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import android.content.res.Resources;
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import android.hardware.UsbManager;
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import android.os.Bundle;
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import android.os.Environment;
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import android.os.Handler;
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import android.os.HandlerThread;
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import android.os.IBinder;
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import android.os.Looper;
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import android.os.Message;
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import android.os.RemoteException;
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import android.os.ServiceManager;
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import android.os.StatFs;
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import android.os.storage.IMountService;
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import android.os.storage.StorageEventListener;
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import android.os.storage.StorageManager;
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import android.preference.CheckBoxPreference;
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import android.preference.Preference;
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import android.preference.PreferenceGroup;
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import android.preference.PreferenceScreen;
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import android.provider.Settings;
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import android.text.format.Formatter;
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import android.util.Log;
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import android.widget.Toast;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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public class Memory extends SettingsPreferenceFragment implements OnCancelListener {
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private static final String TAG = "Memory";
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private static final boolean localLOGV = false;
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private static final String MEMORY_SD_SIZE = "memory_sd_size";
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private static final String MEMORY_SD_AVAIL = "memory_sd_avail";
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private static final String MEMORY_SD_MOUNT_TOGGLE = "memory_sd_mount_toggle";
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private static final String MEMORY_SD_FORMAT = "memory_sd_format";
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private static final String MEMORY_SD_GROUP = "memory_sd";
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private static final String PTP_MODE_TOGGLE = "ptp_mode_toggle";
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private static final String MEMORY_INTERNAL_SIZE = "memory_internal_size";
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private static final String MEMORY_INTERNAL_AVAIL = "memory_internal_avail";
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private static final String MEMORY_INTERNAL_APPS = "memory_internal_apps";
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private static final String MEMORY_INTERNAL_MEDIA = "memory_internal_media";
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private static final String MEMORY_INTERNAL_CHART = "memory_internal_chart";
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private static final int DLG_CONFIRM_UNMOUNT = 1;
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private static final int DLG_ERROR_UNMOUNT = 2;
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private Resources mRes;
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// External storage preferences
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private Preference mSdSize;
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private Preference mSdAvail;
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private Preference mSdMountToggle;
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private Preference mSdFormat;
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private PreferenceGroup mSdMountPreferenceGroup;
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// Internal storage preferences
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private Preference mInternalSize;
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private Preference mInternalAvail;
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private Preference mInternalMediaUsage;
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private Preference mInternalAppsUsage;
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private UsageBarPreference mInternalUsageChart;
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// Internal storage chart colors
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private int mInternalMediaColor;
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private int mInternalAppsColor;
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private int mInternalUsedColor;
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// Internal memory fields
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private long mInternalTotalSize;
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private long mInternalUsedSize;
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private long mInternalMediaSize;
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private long mInternalAppsSize;
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private boolean mMeasured = false;
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boolean mSdMountToggleAdded = true;
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private CheckBoxPreference mPtpModeToggle;
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// Access using getMountService()
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private IMountService mMountService = null;
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private StorageManager mStorageManager = null;
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// Updates the memory usage bar graph.
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private static final int MSG_UI_UPDATE_APPROXIMATE = 1;
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// Updates the memory usage bar graph.
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private static final int MSG_UI_UPDATE_EXACT = 2;
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private Handler mUpdateHandler = new Handler() {
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case MSG_UI_UPDATE_APPROXIMATE:
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updateUiApproximate();
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break;
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case MSG_UI_UPDATE_EXACT:
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updateUiExact();
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mMeasured = true;
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break;
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}
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}
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};
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private static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer";
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private static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName(
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DEFAULT_CONTAINER_PACKAGE, "com.android.defcontainer.DefaultContainerService");
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class MemoryMeasurementHandler extends Handler {
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public static final int MSG_MEASURE_ALL = 1;
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public static final int MSG_CONNECTED = 2;
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public static final int MSG_DISCONNECTED = 3;
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private List<String> mPendingApps = new ArrayList<String>();
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private volatile boolean mBound = false;
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private long mAppsSize = 0;
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final private ServiceConnection mDefContainerConn = new ServiceConnection() {
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public void onServiceConnected(ComponentName name, IBinder service) {
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mBound = true;
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IMediaContainerService imcs = IMediaContainerService.Stub.asInterface(service);
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mMeasurementHandler.sendMessage(mMeasurementHandler.obtainMessage(
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MemoryMeasurementHandler.MSG_CONNECTED, imcs));
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}
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public void onServiceDisconnected(ComponentName name) {
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mBound = false;
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}
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};
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MemoryMeasurementHandler(Looper looper) {
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super(looper);
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}
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case MSG_MEASURE_ALL: {
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updateExternalStorage();
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updateApproximateInternalStorage();
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Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT);
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getActivity().bindService(service, mDefContainerConn, Context.BIND_AUTO_CREATE);
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mUpdateHandler.sendEmptyMessage(MSG_UI_UPDATE_APPROXIMATE);
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break;
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}
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case MSG_CONNECTED: {
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IMediaContainerService imcs = (IMediaContainerService) msg.obj;
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updateExactInternalStorage(imcs);
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}
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}
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}
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public void cleanUp() {
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if (mBound) {
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getActivity().unbindService(mDefContainerConn);
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}
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}
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public void queuePackageMeasurementLocked(String packageName) {
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mPendingApps.add(packageName);
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}
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public void requestQueuedMeasurementsLocked() {
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final Activity activity = getActivity();
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if (activity == null) {
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return;
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}
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final PackageManager pm = activity.getPackageManager();
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if (pm == null) {
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return;
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}
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final int N = mPendingApps.size();
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for (int i = 0; i < N; i++) {
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pm.getPackageSizeInfo(mPendingApps.get(i), mStatsObserver);
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}
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}
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final IPackageStatsObserver.Stub mStatsObserver = new IPackageStatsObserver.Stub() {
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public void onGetStatsCompleted(PackageStats stats, boolean succeeded) {
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if (succeeded) {
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mAppsSize += stats.codeSize + stats.dataSize;
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}
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synchronized (mPendingApps) {
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mPendingApps.remove(stats.packageName);
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if (mPendingApps.size() == 0) {
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mInternalAppsSize = mAppsSize;
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mUpdateHandler.sendEmptyMessage(MSG_UI_UPDATE_EXACT);
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}
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}
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}
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};
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private void updateApproximateInternalStorage() {
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final File dataPath = Environment.getDataDirectory();
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final StatFs stat = new StatFs(dataPath.getPath());
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final long blockSize = stat.getBlockSize();
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final long totalBlocks = stat.getBlockCount();
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final long availableBlocks = stat.getAvailableBlocks();
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final long totalSize = totalBlocks * blockSize;
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final long availSize = availableBlocks * blockSize;
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mInternalSize.setSummary(formatSize(totalSize));
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mInternalAvail.setSummary(formatSize(availSize));
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mInternalTotalSize = totalSize;
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mInternalUsedSize = totalSize - availSize;
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}
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private void updateExactInternalStorage(IMediaContainerService imcs) {
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long mediaSize;
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try {
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// TODO get these directories from somewhere
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mediaSize = imcs.calculateDirectorySize("/data/media");
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} catch (Exception e) {
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Log.i(TAG, "Could not read memory from default container service");
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return;
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}
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mInternalMediaSize = mediaSize;
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// We have to get installd to measure the package sizes.
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PackageManager pm = getPackageManager();
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List<ApplicationInfo> apps = pm
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.getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES
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| PackageManager.GET_DISABLED_COMPONENTS);
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if (apps != null) {
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synchronized (mPendingApps) {
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for (int i = 0; i < apps.size(); i++) {
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final ApplicationInfo info = apps.get(i);
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queuePackageMeasurementLocked(info.packageName);
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}
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requestQueuedMeasurementsLocked();
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}
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}
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}
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private void updateExternalStorage() {
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if (Environment.isExternalStorageEmulated()) {
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return;
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}
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String status = Environment.getExternalStorageState();
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String readOnly = "";
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if (status.equals(Environment.MEDIA_MOUNTED_READ_ONLY)) {
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status = Environment.MEDIA_MOUNTED;
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readOnly = mRes.getString(R.string.read_only);
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}
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if (status.equals(Environment.MEDIA_MOUNTED)) {
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if (!Environment.isExternalStorageRemovable()) {
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// This device has built-in storage that is not removable.
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// There is no reason for the user to unmount it.
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if (mSdMountToggleAdded) {
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mSdMountPreferenceGroup.removePreference(mSdMountToggle);
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mSdMountToggleAdded = false;
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}
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}
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try {
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File path = Environment.getExternalStorageDirectory();
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StatFs stat = new StatFs(path.getPath());
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long blockSize = stat.getBlockSize();
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long totalBlocks = stat.getBlockCount();
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long availableBlocks = stat.getAvailableBlocks();
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mSdSize.setSummary(formatSize(totalBlocks * blockSize));
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mSdAvail.setSummary(formatSize(availableBlocks * blockSize) + readOnly);
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mSdMountToggle.setEnabled(true);
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mSdMountToggle.setTitle(mRes.getString(R.string.sd_eject));
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mSdMountToggle.setSummary(mRes.getString(R.string.sd_eject_summary));
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} catch (IllegalArgumentException e) {
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// this can occur if the SD card is removed, but we haven't
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// received the
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// ACTION_MEDIA_REMOVED Intent yet.
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status = Environment.MEDIA_REMOVED;
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}
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} else {
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mSdSize.setSummary(mRes.getString(R.string.sd_unavailable));
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mSdAvail.setSummary(mRes.getString(R.string.sd_unavailable));
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if (!Environment.isExternalStorageRemovable()) {
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if (status.equals(Environment.MEDIA_UNMOUNTED)) {
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if (!mSdMountToggleAdded) {
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mSdMountPreferenceGroup.addPreference(mSdMountToggle);
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mSdMountToggleAdded = true;
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}
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}
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}
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if (status.equals(Environment.MEDIA_UNMOUNTED) ||
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status.equals(Environment.MEDIA_NOFS) ||
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status.equals(Environment.MEDIA_UNMOUNTABLE) ) {
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mSdMountToggle.setEnabled(true);
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mSdMountToggle.setTitle(mRes.getString(R.string.sd_mount));
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mSdMountToggle.setSummary(mRes.getString(R.string.sd_mount_summary));
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} else {
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mSdMountToggle.setEnabled(false);
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mSdMountToggle.setTitle(mRes.getString(R.string.sd_mount));
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mSdMountToggle.setSummary(mRes.getString(R.string.sd_insert_summary));
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}
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}
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}
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}
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private MemoryMeasurementHandler mMeasurementHandler;
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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if (mStorageManager == null) {
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mStorageManager = (StorageManager) getSystemService(Context.STORAGE_SERVICE);
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mStorageManager.registerListener(mStorageListener);
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}
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addPreferencesFromResource(R.xml.device_info_memory);
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mRes = getResources();
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mSdSize = findPreference(MEMORY_SD_SIZE);
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mSdAvail = findPreference(MEMORY_SD_AVAIL);
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mSdMountToggle = findPreference(MEMORY_SD_MOUNT_TOGGLE);
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mSdFormat = findPreference(MEMORY_SD_FORMAT);
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mSdMountPreferenceGroup = (PreferenceGroup)findPreference(MEMORY_SD_GROUP);
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if (Environment.isExternalStorageEmulated()) {
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mSdMountPreferenceGroup.removePreference(mSdSize);
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mSdMountPreferenceGroup.removePreference(mSdAvail);
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mSdMountPreferenceGroup.removePreference(mSdMountToggle);
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}
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mPtpModeToggle = (CheckBoxPreference)findPreference(PTP_MODE_TOGGLE);
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if (UsbManager.isFunctionSupported(UsbManager.USB_FUNCTION_MTP)) {
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mPtpModeToggle.setChecked(Settings.System.getInt(
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getContentResolver(),
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Settings.System.USE_PTP_INTERFACE, 0) != 0);
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} else {
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// hide the PTP mode toggle checkbox if MTP is not supported
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getPreferenceScreen().removePreference(mPtpModeToggle);
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}
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mInternalSize = findPreference(MEMORY_INTERNAL_SIZE);
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mInternalAvail = findPreference(MEMORY_INTERNAL_AVAIL);
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mInternalMediaUsage = findPreference(MEMORY_INTERNAL_MEDIA);
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mInternalAppsUsage = findPreference(MEMORY_INTERNAL_APPS);
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mInternalMediaColor = mRes.getColor(R.color.memory_media_usage);
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mInternalAppsColor = mRes.getColor(R.color.memory_apps_usage);
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mInternalUsedColor = mRes.getColor(R.color.memory_used);
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mInternalUsageChart = (UsageBarPreference) findPreference(MEMORY_INTERNAL_CHART);
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// Start the thread that will measure the disk usage.
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final HandlerThread t = new HandlerThread("MeasurementHandler");
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t.start();
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mMeasurementHandler = new MemoryMeasurementHandler(t.getLooper());
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}
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@Override
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public void onResume() {
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super.onResume();
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IntentFilter intentFilter = new IntentFilter(Intent.ACTION_MEDIA_SCANNER_STARTED);
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intentFilter.addAction(Intent.ACTION_MEDIA_SCANNER_FINISHED);
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intentFilter.addDataScheme("file");
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getActivity().registerReceiver(mReceiver, intentFilter);
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if (!mMeasured) {
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mMeasurementHandler.sendEmptyMessage(MemoryMeasurementHandler.MSG_MEASURE_ALL);
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}
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}
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StorageEventListener mStorageListener = new StorageEventListener() {
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@Override
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public void onStorageStateChanged(String path, String oldState, String newState) {
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Log.i(TAG, "Received storage state changed notification that " +
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path + " changed state from " + oldState +
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" to " + newState);
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mMeasurementHandler.sendEmptyMessage(MemoryMeasurementHandler.MSG_MEASURE_ALL);
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}
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};
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@Override
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public void onPause() {
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super.onPause();
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getActivity().unregisterReceiver(mReceiver);
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mMeasurementHandler.removeMessages(MemoryMeasurementHandler.MSG_MEASURE_ALL);
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}
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@Override
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public void onDestroy() {
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if (mStorageManager != null && mStorageListener != null) {
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mStorageManager.unregisterListener(mStorageListener);
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}
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mMeasurementHandler.cleanUp();
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super.onDestroy();
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}
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private synchronized IMountService getMountService() {
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if (mMountService == null) {
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IBinder service = ServiceManager.getService("mount");
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if (service != null) {
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mMountService = IMountService.Stub.asInterface(service);
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} else {
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Log.e(TAG, "Can't get mount service");
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}
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}
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return mMountService;
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}
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@Override
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public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
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if (preference == mSdMountToggle) {
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String status = Environment.getExternalStorageState();
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if (status.equals(Environment.MEDIA_MOUNTED)) {
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unmount();
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} else {
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mount();
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}
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return true;
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} else if (preference == mSdFormat) {
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Intent intent = new Intent(Intent.ACTION_VIEW);
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intent.setClass(getActivity(), com.android.settings.MediaFormat.class);
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startActivity(intent);
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return true;
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} else if (preference == mPtpModeToggle) {
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Settings.System.putInt(getContentResolver(),
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Settings.System.USE_PTP_INTERFACE,
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mPtpModeToggle.isChecked() ? 1 : 0);
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return true;
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}
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return false;
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}
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private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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mMeasurementHandler.sendEmptyMessage(MemoryMeasurementHandler.MSG_MEASURE_ALL);
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}
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};
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@Override
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public Dialog onCreateDialog(int id) {
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switch (id) {
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case DLG_CONFIRM_UNMOUNT:
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return new AlertDialog.Builder(getActivity())
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.setTitle(R.string.dlg_confirm_unmount_title)
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.setPositiveButton(R.string.dlg_ok, new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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doUnmount(true);
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}})
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.setNegativeButton(R.string.cancel, null)
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.setMessage(R.string.dlg_confirm_unmount_text)
|
|
.setOnCancelListener(this)
|
|
.create();
|
|
case DLG_ERROR_UNMOUNT:
|
|
return new AlertDialog.Builder(getActivity())
|
|
.setTitle(R.string.dlg_error_unmount_title)
|
|
.setNeutralButton(R.string.dlg_ok, null)
|
|
.setMessage(R.string.dlg_error_unmount_text)
|
|
.setOnCancelListener(this)
|
|
.create();
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private void doUnmount(boolean force) {
|
|
// Present a toast here
|
|
Toast.makeText(getActivity(), R.string.unmount_inform_text, Toast.LENGTH_SHORT).show();
|
|
IMountService mountService = getMountService();
|
|
String extStoragePath = Environment.getExternalStorageDirectory().toString();
|
|
try {
|
|
mSdMountToggle.setEnabled(false);
|
|
mSdMountToggle.setTitle(mRes.getString(R.string.sd_ejecting_title));
|
|
mSdMountToggle.setSummary(mRes.getString(R.string.sd_ejecting_summary));
|
|
mountService.unmountVolume(extStoragePath, force);
|
|
} catch (RemoteException e) {
|
|
// Informative dialog to user that
|
|
// unmount failed.
|
|
showDialogInner(DLG_ERROR_UNMOUNT);
|
|
}
|
|
}
|
|
|
|
private void showDialogInner(int id) {
|
|
removeDialog(id);
|
|
showDialog(id);
|
|
}
|
|
|
|
private boolean hasAppsAccessingStorage() throws RemoteException {
|
|
String extStoragePath = Environment.getExternalStorageDirectory().toString();
|
|
IMountService mountService = getMountService();
|
|
int stUsers[] = mountService.getStorageUsers(extStoragePath);
|
|
if (stUsers != null && stUsers.length > 0) {
|
|
return true;
|
|
}
|
|
ActivityManager am = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);
|
|
List<ApplicationInfo> list = am.getRunningExternalApplications();
|
|
if (list != null && list.size() > 0) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private void unmount() {
|
|
// Check if external media is in use.
|
|
try {
|
|
if (hasAppsAccessingStorage()) {
|
|
if (localLOGV) Log.i(TAG, "Do have storage users accessing media");
|
|
// Present dialog to user
|
|
showDialogInner(DLG_CONFIRM_UNMOUNT);
|
|
} else {
|
|
doUnmount(true);
|
|
}
|
|
} catch (RemoteException e) {
|
|
// Very unlikely. But present an error dialog anyway
|
|
Log.e(TAG, "Is MountService running?");
|
|
showDialogInner(DLG_ERROR_UNMOUNT);
|
|
}
|
|
}
|
|
|
|
private void mount() {
|
|
IMountService mountService = getMountService();
|
|
try {
|
|
if (mountService != null) {
|
|
mountService.mountVolume(Environment.getExternalStorageDirectory().toString());
|
|
} else {
|
|
Log.e(TAG, "Mount service is null, can't mount");
|
|
}
|
|
} catch (RemoteException ex) {
|
|
}
|
|
}
|
|
|
|
private void updateUiExact() {
|
|
final float totalSize = mInternalTotalSize;
|
|
|
|
final long mediaSize = mInternalMediaSize;
|
|
final long appsSize = mInternalAppsSize;
|
|
|
|
mInternalUsageChart.clear();
|
|
mInternalUsageChart.addEntry(mediaSize / totalSize, mInternalMediaColor);
|
|
mInternalUsageChart.addEntry(appsSize / totalSize, mInternalAppsColor);
|
|
|
|
// There are other things that can take up storage, but we didn't
|
|
// measure it.
|
|
final long remaining = mInternalUsedSize - (mediaSize + appsSize);
|
|
if (remaining > 0) {
|
|
mInternalUsageChart.addEntry(remaining / totalSize, mInternalUsedColor);
|
|
}
|
|
mInternalUsageChart.commit();
|
|
|
|
mInternalMediaUsage.setSummary(formatSize(mediaSize));
|
|
mInternalAppsUsage.setSummary(formatSize(appsSize));
|
|
}
|
|
|
|
private void updateUiApproximate() {
|
|
mInternalUsageChart.clear();
|
|
mInternalUsageChart.addEntry(mInternalUsedSize / (float) mInternalTotalSize, getResources()
|
|
.getColor(R.color.memory_used));
|
|
mInternalUsageChart.commit();
|
|
}
|
|
|
|
private String formatSize(long size) {
|
|
return Formatter.formatFileSize(getActivity(), size);
|
|
}
|
|
|
|
public void onCancel(DialogInterface dialog) {
|
|
// TODO: Is this really required?
|
|
// finish();
|
|
}
|
|
}
|