Move app ops classes to their own package

Bug: 68426851
Test: robotests
Change-Id: I076b7adf59d4bf66792eb0aebaa3dc305d6d0c4b

src/com/android/settings/applications/appops/AppOpsCategory.java

@@ -0,0 +1,372 @@
+/*
+ * Copyright (C) 2013 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.settings.applications.appops;
+
+import android.app.AppOpsManager;
+import android.app.ListFragment;
+import android.app.LoaderManager;
+import android.content.AsyncTaskLoader;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.Loader;
+import android.content.pm.ActivityInfo;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.ListView;
+import android.widget.Switch;
+import android.widget.TextView;
+
+import com.android.settings.R;
+import com.android.settings.applications.appops.AppOpsState.AppOpEntry;
+
+import java.util.List;
+
+public class AppOpsCategory extends ListFragment implements
+        LoaderManager.LoaderCallbacks<List<AppOpEntry>> {
+
+    AppOpsState mState;
+
+    // This is the Adapter being used to display the list's data.
+    AppListAdapter mAdapter;
+
+    public AppOpsCategory() {
+    }
+
+    public AppOpsCategory(AppOpsState.OpsTemplate template) {
+        Bundle args = new Bundle();
+        args.putParcelable("template", template);
+        setArguments(args);
+    }
+
+    /**
+     * Helper for determining if the configuration has changed in an interesting
+     * way so we need to rebuild the app list.
+     */
+    public static class InterestingConfigChanges {
+        final Configuration mLastConfiguration = new Configuration();
+        int mLastDensity;
+
+        boolean applyNewConfig(Resources res) {
+            int configChanges = mLastConfiguration.updateFrom(res.getConfiguration());
+            boolean densityChanged = mLastDensity != res.getDisplayMetrics().densityDpi;
+            if (densityChanged || (configChanges&(ActivityInfo.CONFIG_LOCALE
+                    |ActivityInfo.CONFIG_UI_MODE|ActivityInfo.CONFIG_SCREEN_LAYOUT)) != 0) {
+                mLastDensity = res.getDisplayMetrics().densityDpi;
+                return true;
+            }
+            return false;
+        }
+    }
+
+    /**
+     * Helper class to look for interesting changes to the installed apps
+     * so that the loader can be updated.
+     */
+    public static class PackageIntentReceiver extends BroadcastReceiver {
+        final AppListLoader mLoader;
+
+        public PackageIntentReceiver(AppListLoader loader) {
+            mLoader = loader;
+            IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
+            filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
+            filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
+            filter.addDataScheme("package");
+            mLoader.getContext().registerReceiver(this, filter);
+            // Register for events related to sdcard installation.
+            IntentFilter sdFilter = new IntentFilter();
+            sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
+            sdFilter.addAction(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE);
+            mLoader.getContext().registerReceiver(this, sdFilter);
+        }
+
+        @Override public void onReceive(Context context, Intent intent) {
+            // Tell the loader about the change.
+            mLoader.onContentChanged();
+        }
+    }
+
+    /**
+     * A custom Loader that loads all of the installed applications.
+     */
+    public static class AppListLoader extends AsyncTaskLoader<List<AppOpEntry>> {
+        final InterestingConfigChanges mLastConfig = new InterestingConfigChanges();
+        final AppOpsState mState;
+        final AppOpsState.OpsTemplate mTemplate;
+
+        List<AppOpEntry> mApps;
+        PackageIntentReceiver mPackageObserver;
+
+        public AppListLoader(Context context, AppOpsState state, AppOpsState.OpsTemplate template) {
+            super(context);
+            mState = state;
+            mTemplate = template;
+        }
+
+        @Override public List<AppOpEntry> loadInBackground() {
+            return mState.buildState(mTemplate, 0, null, AppOpsState.LABEL_COMPARATOR);
+        }
+
+        /**
+         * Called when there is new data to deliver to the client.  The
+         * super class will take care of delivering it; the implementation
+         * here just adds a little more logic.
+         */
+        @Override public void deliverResult(List<AppOpEntry> apps) {
+            if (isReset()) {
+                // An async query came in while the loader is stopped.  We
+                // don't need the result.
+                if (apps != null) {
+                    onReleaseResources(apps);
+                }
+            }
+            List<AppOpEntry> oldApps = apps;
+            mApps = apps;
+
+            if (isStarted()) {
+                // If the Loader is currently started, we can immediately
+                // deliver its results.
+                super.deliverResult(apps);
+            }
+
+            // At this point we can release the resources associated with
+            // 'oldApps' if needed; now that the new result is delivered we
+            // know that it is no longer in use.
+            if (oldApps != null) {
+                onReleaseResources(oldApps);
+            }
+        }
+
+        /**
+         * Handles a request to start the Loader.
+         */
+        @Override protected void onStartLoading() {
+            // We don't monitor changed when loading is stopped, so need
+            // to always reload at this point.
+            onContentChanged();
+
+            if (mApps != null) {
+                // If we currently have a result available, deliver it
+                // immediately.
+                deliverResult(mApps);
+            }
+
+            // Start watching for changes in the app data.
+            if (mPackageObserver == null) {
+                mPackageObserver = new PackageIntentReceiver(this);
+            }
+
+            // Has something interesting in the configuration changed since we
+            // last built the app list?
+            boolean configChange = mLastConfig.applyNewConfig(getContext().getResources());
+
+            if (takeContentChanged() || mApps == null || configChange) {
+                // If the data has changed since the last time it was loaded
+                // or is not currently available, start a load.
+                forceLoad();
+            }
+        }
+
+        /**
+         * Handles a request to stop the Loader.
+         */
+        @Override protected void onStopLoading() {
+            // Attempt to cancel the current load task if possible.
+            cancelLoad();
+        }
+
+        /**
+         * Handles a request to cancel a load.
+         */
+        @Override public void onCanceled(List<AppOpEntry> apps) {
+            super.onCanceled(apps);
+
+            // At this point we can release the resources associated with 'apps'
+            // if needed.
+            onReleaseResources(apps);
+        }
+
+        /**
+         * Handles a request to completely reset the Loader.
+         */
+        @Override protected void onReset() {
+            super.onReset();
+
+            // Ensure the loader is stopped
+            onStopLoading();
+
+            // At this point we can release the resources associated with 'apps'
+            // if needed.
+            if (mApps != null) {
+                onReleaseResources(mApps);
+                mApps = null;
+            }
+
+            // Stop monitoring for changes.
+            if (mPackageObserver != null) {
+                getContext().unregisterReceiver(mPackageObserver);
+                mPackageObserver = null;
+            }
+        }
+
+        /**
+         * Helper function to take care of releasing resources associated
+         * with an actively loaded data set.
+         */
+        protected void onReleaseResources(List<AppOpEntry> apps) {
+            // For a simple List<> there is nothing to do.  For something
+            // like a Cursor, we would close it here.
+        }
+    }
+
+    public static class AppListAdapter extends BaseAdapter {
+        private final Resources mResources;
+        private final LayoutInflater mInflater;
+        private final AppOpsState mState;
+
+        List<AppOpEntry> mList;
+
+        public AppListAdapter(Context context, AppOpsState state) {
+            mResources = context.getResources();
+            mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+            mState = state;
+        }
+
+        public void setData(List<AppOpEntry> data) {
+            mList = data;
+            notifyDataSetChanged();
+        }
+
+        @Override
+        public int getCount() {
+            return mList != null ? mList.size() : 0;
+        }
+
+        @Override
+        public AppOpEntry getItem(int position) {
+            return mList.get(position);
+        }
+
+        @Override
+        public long getItemId(int position) {
+            return position;
+        }
+
+        /**
+         * Populate new items in the list.
+         */
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            View view;
+
+            if (convertView == null) {
+                view = mInflater.inflate(R.layout.app_ops_item, parent, false);
+            } else {
+                view = convertView;
+            }
+
+            AppOpEntry item = getItem(position);
+            ((ImageView) view.findViewById(R.id.app_icon)).setImageDrawable(
+                    item.getAppEntry().getIcon());
+            ((TextView) view.findViewById(R.id.app_name)).setText(item.getAppEntry().getLabel());
+            ((TextView) view.findViewById(R.id.op_name)).setText(
+                    item.getTimeText(mResources, false));
+            view.findViewById(R.id.op_time).setVisibility(View.GONE);
+            ((Switch) view.findViewById(R.id.op_switch)).setChecked(
+                    item.getPrimaryOpMode() == AppOpsManager.MODE_ALLOWED);
+
+            return view;
+        }
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mState = new AppOpsState(getActivity());
+    }
+
+    @Override public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        // Give some text to display if there is no data.  In a real
+        // application this would come from a resource.
+        setEmptyText("No applications");
+
+        // We have a menu item to show in action bar.
+        setHasOptionsMenu(true);
+
+        // Create an empty adapter we will use to display the loaded data.
+        mAdapter = new AppListAdapter(getActivity(), mState);
+        setListAdapter(mAdapter);
+
+        // Start out with a progress indicator.
+        setListShown(false);
+
+        // Prepare the loader.
+        getLoaderManager().initLoader(0, null, this);
+    }
+
+    @Override public void onListItemClick(ListView l, View v, int position, long id) {
+        AppOpEntry entry = mAdapter.getItem(position);
+        if (entry != null) {
+            // We treat this as tapping on the check box, toggling the app op state.
+            Switch sw = v.findViewById(R.id.op_switch);
+            boolean checked = !sw.isChecked();
+            sw.setChecked(checked);
+            AppOpsManager.OpEntry op = entry.getOpEntry(0);
+            int mode = checked ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED;
+            mState.getAppOpsManager().setMode(op.getOp(),
+                    entry.getAppEntry().getApplicationInfo().uid,
+                    entry.getAppEntry().getApplicationInfo().packageName,
+                    mode);
+            entry.overridePrimaryOpMode(mode);
+        }
+    }
+
+    @Override public Loader<List<AppOpEntry>> onCreateLoader(int id, Bundle args) {
+        Bundle fargs = getArguments();
+        AppOpsState.OpsTemplate template = null;
+        if (fargs != null) {
+            template = fargs.getParcelable("template");
+        }
+        return new AppListLoader(getActivity(), mState, template);
+    }
+
+    @Override public void onLoadFinished(Loader<List<AppOpEntry>> loader, List<AppOpEntry> data) {
+        // Set the new data in the adapter.
+        mAdapter.setData(data);
+
+        // The list should now be shown.
+        if (isResumed()) {
+            setListShown(true);
+        } else {
+            setListShownNoAnimation(true);
+        }
+    }
+
+    @Override public void onLoaderReset(Loader<List<AppOpEntry>> loader) {
+        // Clear the data in the adapter.
+        mAdapter.setData(null);
+    }
+}

src/com/android/settings/applications/appops/AppOpsState.java

@@ -0,0 +1,636 @@
+/*
+ * Copyright (C) 2013 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.settings.applications.appops;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.res.Resources;
+import android.graphics.drawable.Drawable;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.text.format.DateUtils;
+import android.util.Log;
+import android.util.SparseArray;
+
+import com.android.settings.R;
+
+import java.io.File;
+import java.text.Collator;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.List;
+
+public class AppOpsState {
+    static final String TAG = "AppOpsState";
+    static final boolean DEBUG = false;
+
+    final Context mContext;
+    final AppOpsManager mAppOps;
+    final PackageManager mPm;
+    final CharSequence[] mOpSummaries;
+    final CharSequence[] mOpLabels;
+
+    public AppOpsState(Context context) {
+        mContext = context;
+        mAppOps = (AppOpsManager)context.getSystemService(Context.APP_OPS_SERVICE);
+        mPm = context.getPackageManager();
+        mOpSummaries = context.getResources().getTextArray(R.array.app_ops_summaries);
+        mOpLabels = context.getResources().getTextArray(R.array.app_ops_labels);
+    }
+
+    public static class OpsTemplate implements Parcelable {
+        public final int[] ops;
+        public final boolean[] showPerms;
+
+        public OpsTemplate(int[] _ops, boolean[] _showPerms) {
+            ops = _ops;
+            showPerms = _showPerms;
+        }
+
+        OpsTemplate(Parcel src) {
+            ops = src.createIntArray();
+            showPerms = src.createBooleanArray();
+        }
+
+        @Override
+        public int describeContents() {
+            return 0;
+        }
+
+        @Override
+        public void writeToParcel(Parcel dest, int flags) {
+            dest.writeIntArray(ops);
+            dest.writeBooleanArray(showPerms);
+        }
+
+        public static final Creator<OpsTemplate> CREATOR = new Creator<OpsTemplate>() {
+            @Override public OpsTemplate createFromParcel(Parcel source) {
+                return new OpsTemplate(source);
+            }
+
+            @Override public OpsTemplate[] newArray(int size) {
+                return new OpsTemplate[size];
+            }
+        };
+    }
+
+    public static final OpsTemplate LOCATION_TEMPLATE = new OpsTemplate(
+            new int[] { AppOpsManager.OP_COARSE_LOCATION,
+                    AppOpsManager.OP_FINE_LOCATION,
+                    AppOpsManager.OP_GPS,
+                    AppOpsManager.OP_WIFI_SCAN,
+                    AppOpsManager.OP_NEIGHBORING_CELLS,
+                    AppOpsManager.OP_MONITOR_LOCATION,
+                    AppOpsManager.OP_MONITOR_HIGH_POWER_LOCATION },
+            new boolean[] { true,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false }
+            );
+
+    public static final OpsTemplate PERSONAL_TEMPLATE = new OpsTemplate(
+            new int[] { AppOpsManager.OP_READ_CONTACTS,
+                    AppOpsManager.OP_WRITE_CONTACTS,
+                    AppOpsManager.OP_READ_CALL_LOG,
+                    AppOpsManager.OP_WRITE_CALL_LOG,
+                    AppOpsManager.OP_READ_CALENDAR,
+                    AppOpsManager.OP_WRITE_CALENDAR,
+                    AppOpsManager.OP_READ_CLIPBOARD,
+                    AppOpsManager.OP_WRITE_CLIPBOARD },
+            new boolean[] { true,
+                    true,
+                    true,
+                    true,
+                    true,
+                    true,
+                    false,
+                    false }
+            );
+
+    public static final OpsTemplate MESSAGING_TEMPLATE = new OpsTemplate(
+            new int[] { AppOpsManager.OP_READ_SMS,
+                    AppOpsManager.OP_RECEIVE_SMS,
+                    AppOpsManager.OP_RECEIVE_EMERGECY_SMS,
+                    AppOpsManager.OP_RECEIVE_MMS,
+                    AppOpsManager.OP_RECEIVE_WAP_PUSH,
+                    AppOpsManager.OP_WRITE_SMS,
+                    AppOpsManager.OP_SEND_SMS,
+                    AppOpsManager.OP_READ_ICC_SMS,
+                    AppOpsManager.OP_WRITE_ICC_SMS },
+            new boolean[] { true,
+                    true,
+                    true,
+                    true,
+                    true,
+                    true,
+                    true,
+                    true,
+                    true }
+            );
+
+    public static final OpsTemplate MEDIA_TEMPLATE = new OpsTemplate(
+            new int[] { AppOpsManager.OP_VIBRATE,
+                    AppOpsManager.OP_CAMERA,
+                    AppOpsManager.OP_RECORD_AUDIO,
+                    AppOpsManager.OP_PLAY_AUDIO,
+                    AppOpsManager.OP_TAKE_MEDIA_BUTTONS,
+                    AppOpsManager.OP_TAKE_AUDIO_FOCUS,
+                    AppOpsManager.OP_AUDIO_MASTER_VOLUME,
+                    AppOpsManager.OP_AUDIO_VOICE_VOLUME,
+                    AppOpsManager.OP_AUDIO_RING_VOLUME,
+                    AppOpsManager.OP_AUDIO_MEDIA_VOLUME,
+                    AppOpsManager.OP_AUDIO_ALARM_VOLUME,
+                    AppOpsManager.OP_AUDIO_NOTIFICATION_VOLUME,
+                    AppOpsManager.OP_AUDIO_BLUETOOTH_VOLUME,
+                    AppOpsManager.OP_AUDIO_ACCESSIBILITY_VOLUME,
+                    AppOpsManager.OP_MUTE_MICROPHONE},
+            new boolean[] { false,
+                    true,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false,
+                    false }
+            );
+
+    public static final OpsTemplate DEVICE_TEMPLATE = new OpsTemplate(
+            new int[] { AppOpsManager.OP_POST_NOTIFICATION,
+                    AppOpsManager.OP_ACCESS_NOTIFICATIONS,
+                    AppOpsManager.OP_CALL_PHONE,
+                    AppOpsManager.OP_WRITE_SETTINGS,
+                    AppOpsManager.OP_SYSTEM_ALERT_WINDOW,
+                    AppOpsManager.OP_WAKE_LOCK,
+                    AppOpsManager.OP_PROJECT_MEDIA,
+                    AppOpsManager.OP_ACTIVATE_VPN,
+                    AppOpsManager.OP_ASSIST_STRUCTURE,
+                    AppOpsManager.OP_ASSIST_SCREENSHOT},
+            new boolean[] { false,
+                    true,
+                    true,
+                    true,
+                    true,
+                    true,
+                    false,
+                    false,
+                    false,
+                    false }
+            );
+
+    public static final OpsTemplate RUN_IN_BACKGROUND_TEMPLATE = new OpsTemplate(
+            new int[] { AppOpsManager.OP_RUN_IN_BACKGROUND },
+            new boolean[] { false }
+            );
+
+    public static final OpsTemplate[] ALL_TEMPLATES = new OpsTemplate[] {
+            LOCATION_TEMPLATE, PERSONAL_TEMPLATE, MESSAGING_TEMPLATE,
+            MEDIA_TEMPLATE, DEVICE_TEMPLATE, RUN_IN_BACKGROUND_TEMPLATE
+    };
+
+    /**
+     * This class holds the per-item data in our Loader.
+     */
+    public static class AppEntry {
+        private final AppOpsState mState;
+        private final ApplicationInfo mInfo;
+        private final File mApkFile;
+        private final SparseArray<AppOpsManager.OpEntry> mOps
+                = new SparseArray<AppOpsManager.OpEntry>();
+        private final SparseArray<AppOpEntry> mOpSwitches
+                = new SparseArray<AppOpEntry>();
+        private String mLabel;
+        private Drawable mIcon;
+        private boolean mMounted;
+
+        public AppEntry(AppOpsState state, ApplicationInfo info) {
+            mState = state;
+            mInfo = info;
+            mApkFile = new File(info.sourceDir);
+        }
+
+        public void addOp(AppOpEntry entry, AppOpsManager.OpEntry op) {
+            mOps.put(op.getOp(), op);
+            mOpSwitches.put(AppOpsManager.opToSwitch(op.getOp()), entry);
+        }
+
+        public boolean hasOp(int op) {
+            return mOps.indexOfKey(op) >= 0;
+        }
+
+        public AppOpEntry getOpSwitch(int op) {
+            return mOpSwitches.get(AppOpsManager.opToSwitch(op));
+        }
+
+        public ApplicationInfo getApplicationInfo() {
+            return mInfo;
+        }
+
+        public String getLabel() {
+            return mLabel;
+        }
+
+        public Drawable getIcon() {
+            if (mIcon == null) {
+                if (mApkFile.exists()) {
+                    mIcon = mInfo.loadIcon(mState.mPm);
+                    return mIcon;
+                } else {
+                    mMounted = false;
+                }
+            } else if (!mMounted) {
+                // If the app wasn't mounted but is now mounted, reload
+                // its icon.
+                if (mApkFile.exists()) {
+                    mMounted = true;
+                    mIcon = mInfo.loadIcon(mState.mPm);
+                    return mIcon;
+                }
+            } else {
+                return mIcon;
+            }
+
+            return mState.mContext.getDrawable(
+                    android.R.drawable.sym_def_app_icon);
+        }
+
+        @Override public String toString() {
+            return mLabel;
+        }
+
+        void loadLabel(Context context) {
+            if (mLabel == null || !mMounted) {
+                if (!mApkFile.exists()) {
+                    mMounted = false;
+                    mLabel = mInfo.packageName;
+                } else {
+                    mMounted = true;
+                    CharSequence label = mInfo.loadLabel(context.getPackageManager());
+                    mLabel = label != null ? label.toString() : mInfo.packageName;
+                }
+            }
+        }
+    }
+
+    /**
+     * This class holds the per-item data in our Loader.
+     */
+    public static class AppOpEntry {
+        private final AppOpsManager.PackageOps mPkgOps;
+        private final ArrayList<AppOpsManager.OpEntry> mOps
+                = new ArrayList<AppOpsManager.OpEntry>();
+        private final ArrayList<AppOpsManager.OpEntry> mSwitchOps
+                = new ArrayList<AppOpsManager.OpEntry>();
+        private final AppEntry mApp;
+        private final int mSwitchOrder;
+        private int mOverriddenPrimaryMode = -1;
+
+        public AppOpEntry(AppOpsManager.PackageOps pkg, AppOpsManager.OpEntry op, AppEntry app,
+                int switchOrder) {
+            mPkgOps = pkg;
+            mApp = app;
+            mSwitchOrder = switchOrder;
+            mApp.addOp(this, op);
+            mOps.add(op);
+            mSwitchOps.add(op);
+        }
+
+        private static void addOp(ArrayList<AppOpsManager.OpEntry> list, AppOpsManager.OpEntry op) {
+            for (int i=0; i<list.size(); i++) {
+                AppOpsManager.OpEntry pos = list.get(i);
+                if (pos.isRunning() != op.isRunning()) {
+                    if (op.isRunning()) {
+                        list.add(i, op);
+                        return;
+                    }
+                    continue;
+                }
+                if (pos.getTime() < op.getTime()) {
+                    list.add(i, op);
+                    return;
+                }
+            }
+            list.add(op);
+        }
+
+        public void addOp(AppOpsManager.OpEntry op) {
+            mApp.addOp(this, op);
+            addOp(mOps, op);
+            if (mApp.getOpSwitch(AppOpsManager.opToSwitch(op.getOp())) == null) {
+                addOp(mSwitchOps, op);
+            }
+        }
+
+        public AppEntry getAppEntry() {
+            return mApp;
+        }
+
+        public int getSwitchOrder() {
+            return mSwitchOrder;
+        }
+
+        public AppOpsManager.PackageOps getPackageOps() {
+            return mPkgOps;
+        }
+
+        public int getNumOpEntry() {
+            return mOps.size();
+        }
+
+        public AppOpsManager.OpEntry getOpEntry(int pos) {
+            return mOps.get(pos);
+        }
+
+        public int getPrimaryOpMode() {
+            return mOverriddenPrimaryMode >= 0 ? mOverriddenPrimaryMode : mOps.get(0).getMode();
+        }
+
+        public void overridePrimaryOpMode(int mode) {
+            mOverriddenPrimaryMode = mode;
+        }
+
+        private CharSequence getCombinedText(ArrayList<AppOpsManager.OpEntry> ops,
+                CharSequence[] items) {
+            if (ops.size() == 1) {
+                return items[ops.get(0).getOp()];
+            } else {
+                StringBuilder builder = new StringBuilder();
+                for (int i=0; i<ops.size(); i++) {
+                    if (i > 0) {
+                        builder.append(", ");
+                    }
+                    builder.append(items[ops.get(i).getOp()]);
+                }
+                return builder.toString();
+            }
+        }
+
+        public CharSequence getSummaryText(AppOpsState state) {
+            return getCombinedText(mOps, state.mOpSummaries);
+        }
+
+        public CharSequence getSwitchText(AppOpsState state) {
+            if (mSwitchOps.size() > 0) {
+                return getCombinedText(mSwitchOps, state.mOpLabels);
+            } else {
+                return getCombinedText(mOps, state.mOpLabels);
+            }
+        }
+
+        public CharSequence getTimeText(Resources res, boolean showEmptyText) {
+            if (isRunning()) {
+                return res.getText(R.string.app_ops_running);
+            }
+            if (getTime() > 0) {
+                return DateUtils.getRelativeTimeSpanString(getTime(),
+                        System.currentTimeMillis(),
+                        DateUtils.MINUTE_IN_MILLIS,
+                        DateUtils.FORMAT_ABBREV_RELATIVE);
+            }
+            return showEmptyText ? res.getText(R.string.app_ops_never_used) : "";
+        }
+
+        public boolean isRunning() {
+            return mOps.get(0).isRunning();
+        }
+
+        public long getTime() {
+            return mOps.get(0).getTime();
+        }
+
+        @Override public String toString() {
+            return mApp.getLabel();
+        }
+    }
+
+    /**
+     * Perform app op state comparison of application entry objects.
+     */
+    public static final Comparator<AppOpEntry> RECENCY_COMPARATOR = new Comparator<AppOpEntry>() {
+        private final Collator sCollator = Collator.getInstance();
+        @Override
+        public int compare(AppOpEntry object1, AppOpEntry object2) {
+            if (object1.getSwitchOrder() != object2.getSwitchOrder()) {
+                return object1.getSwitchOrder() < object2.getSwitchOrder() ? -1 : 1;
+            }
+            if (object1.isRunning() != object2.isRunning()) {
+                // Currently running ops go first.
+                return object1.isRunning() ? -1 : 1;
+            }
+            if (object1.getTime() != object2.getTime()) {
+                // More recent times go first.
+                return object1.getTime() > object2.getTime() ? -1 : 1;
+            }
+            return sCollator.compare(object1.getAppEntry().getLabel(),
+                    object2.getAppEntry().getLabel());
+        }
+    };
+
+    /**
+     * Perform alphabetical comparison of application entry objects.
+     */
+    public static final Comparator<AppOpEntry> LABEL_COMPARATOR = new Comparator<AppOpEntry>() {
+        private final Collator sCollator = Collator.getInstance();
+        @Override
+        public int compare(AppOpEntry object1, AppOpEntry object2) {
+            return sCollator.compare(object1.getAppEntry().getLabel(),
+                    object2.getAppEntry().getLabel());
+        }
+    };
+
+    private void addOp(List<AppOpEntry> entries, AppOpsManager.PackageOps pkgOps,
+            AppEntry appEntry, AppOpsManager.OpEntry opEntry, boolean allowMerge, int switchOrder) {
+        if (allowMerge && entries.size() > 0) {
+            AppOpEntry last = entries.get(entries.size()-1);
+            if (last.getAppEntry() == appEntry) {
+                boolean lastExe = last.getTime() != 0;
+                boolean entryExe = opEntry.getTime() != 0;
+                if (lastExe == entryExe) {
+                    if (DEBUG) Log.d(TAG, "Add op " + opEntry.getOp() + " to package "
+                            + pkgOps.getPackageName() + ": append to " + last);
+                    last.addOp(opEntry);
+                    return;
+                }
+            }
+        }
+        AppOpEntry entry = appEntry.getOpSwitch(opEntry.getOp());
+        if (entry != null) {
+            entry.addOp(opEntry);
+            return;
+        }
+        entry = new AppOpEntry(pkgOps, opEntry, appEntry, switchOrder);
+        if (DEBUG) Log.d(TAG, "Add op " + opEntry.getOp() + " to package "
+                + pkgOps.getPackageName() + ": making new " + entry);
+        entries.add(entry);
+    }
+
+    public AppOpsManager getAppOpsManager() {
+        return mAppOps;
+    }
+
+    public List<AppOpEntry> buildState(OpsTemplate tpl) {
+        return buildState(tpl, 0, null, RECENCY_COMPARATOR);
+    }
+
+    private AppEntry getAppEntry(final Context context, final HashMap<String, AppEntry> appEntries,
+            final String packageName, ApplicationInfo appInfo) {
+        AppEntry appEntry = appEntries.get(packageName);
+        if (appEntry == null) {
+            if (appInfo == null) {
+                try {
+                    appInfo = mPm.getApplicationInfo(packageName,
+                            PackageManager.MATCH_DISABLED_COMPONENTS
+                            | PackageManager.MATCH_ANY_USER);
+                } catch (PackageManager.NameNotFoundException e) {
+                    Log.w(TAG, "Unable to find info for package " + packageName);
+                    return null;
+                }
+            }
+            appEntry = new AppEntry(this, appInfo);
+            appEntry.loadLabel(context);
+            appEntries.put(packageName, appEntry);
+        }
+        return appEntry;
+    }
+
+    public List<AppOpEntry> buildState(OpsTemplate tpl, int uid, String packageName) {
+        return buildState(tpl, uid, packageName, RECENCY_COMPARATOR);
+    }
+
+    public List<AppOpEntry> buildState(OpsTemplate tpl, int uid, String packageName,
+            Comparator<AppOpEntry> comparator) {
+        final Context context = mContext;
+
+        final HashMap<String, AppEntry> appEntries = new HashMap<String, AppEntry>();
+        final List<AppOpEntry> entries = new ArrayList<AppOpEntry>();
+
+        final ArrayList<String> perms = new ArrayList<String>();
+        final ArrayList<Integer> permOps = new ArrayList<Integer>();
+        final int[] opToOrder = new int[AppOpsManager._NUM_OP];
+        for (int i=0; i<tpl.ops.length; i++) {
+            if (tpl.showPerms[i]) {
+                String perm = AppOpsManager.opToPermission(tpl.ops[i]);
+                if (perm != null && !perms.contains(perm)) {
+                    perms.add(perm);
+                    permOps.add(tpl.ops[i]);
+                    opToOrder[tpl.ops[i]] = i;
+                }
+            }
+        }
+
+        List<AppOpsManager.PackageOps> pkgs;
+        if (packageName != null) {
+            pkgs = mAppOps.getOpsForPackage(uid, packageName, tpl.ops);
+        } else {
+            pkgs = mAppOps.getPackagesForOps(tpl.ops);
+        }
+
+        if (pkgs != null) {
+            for (int i=0; i<pkgs.size(); i++) {
+                AppOpsManager.PackageOps pkgOps = pkgs.get(i);
+                AppEntry appEntry = getAppEntry(context, appEntries, pkgOps.getPackageName(), null);
+                if (appEntry == null) {
+                    continue;
+                }
+                for (int j=0; j<pkgOps.getOps().size(); j++) {
+                    AppOpsManager.OpEntry opEntry = pkgOps.getOps().get(j);
+                    addOp(entries, pkgOps, appEntry, opEntry, packageName == null,
+                            packageName == null ? 0 : opToOrder[opEntry.getOp()]);
+                }
+            }
+        }
+
+        List<PackageInfo> apps;
+        if (packageName != null) {
+            apps = new ArrayList<PackageInfo>();
+            try {
+                PackageInfo pi = mPm.getPackageInfo(packageName, PackageManager.GET_PERMISSIONS);
+                apps.add(pi);
+            } catch (NameNotFoundException e) {
+            }
+        } else {
+            String[] permsArray = new String[perms.size()];
+            perms.toArray(permsArray);
+            apps = mPm.getPackagesHoldingPermissions(permsArray, 0);
+        }
+        for (int i=0; i<apps.size(); i++) {
+            PackageInfo appInfo = apps.get(i);
+            AppEntry appEntry = getAppEntry(context, appEntries, appInfo.packageName,
+                    appInfo.applicationInfo);
+            if (appEntry == null) {
+                continue;
+            }
+            List<AppOpsManager.OpEntry> dummyOps = null;
+            AppOpsManager.PackageOps pkgOps = null;
+            if (appInfo.requestedPermissions != null) {
+                for (int j=0; j<appInfo.requestedPermissions.length; j++) {
+                    if (appInfo.requestedPermissionsFlags != null) {
+                        if ((appInfo.requestedPermissionsFlags[j]
+                                & PackageInfo.REQUESTED_PERMISSION_GRANTED) == 0) {
+                            if (DEBUG) Log.d(TAG, "Pkg " + appInfo.packageName + " perm "
+                                    + appInfo.requestedPermissions[j] + " not granted; skipping");
+                            continue;
+                        }
+                    }
+                    if (DEBUG) Log.d(TAG, "Pkg " + appInfo.packageName + ": requested perm "
+                            + appInfo.requestedPermissions[j]);
+                    for (int k=0; k<perms.size(); k++) {
+                        if (!perms.get(k).equals(appInfo.requestedPermissions[j])) {
+                            continue;
+                        }
+                        if (DEBUG) Log.d(TAG, "Pkg " + appInfo.packageName + " perm " + perms.get(k)
+                                + " has op " + permOps.get(k) + ": " + appEntry.hasOp(permOps.get(k)));
+                        if (appEntry.hasOp(permOps.get(k))) {
+                            continue;
+                        }
+                        if (dummyOps == null) {
+                            dummyOps = new ArrayList<AppOpsManager.OpEntry>();
+                            pkgOps = new AppOpsManager.PackageOps(
+                                    appInfo.packageName, appInfo.applicationInfo.uid, dummyOps);
+
+                        }
+                        AppOpsManager.OpEntry opEntry = new AppOpsManager.OpEntry(
+                                permOps.get(k), AppOpsManager.MODE_ALLOWED, 0, 0, 0, -1, null);
+                        dummyOps.add(opEntry);
+                        addOp(entries, pkgOps, appEntry, opEntry, packageName == null,
+                                packageName == null ? 0 : opToOrder[opEntry.getOp()]);
+                    }
+                }
+            }
+        }
+
+        // Sort the list.
+        Collections.sort(entries, comparator);
+
+        // Done!
+        return entries;
+    }
+}

src/com/android/settings/applications/appops/BackgroundCheckSummary.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2015 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.settings.applications.appops;
+
+import android.annotation.Nullable;
+import android.app.FragmentTransaction;
+import android.os.Bundle;
+import android.preference.PreferenceFrameLayout;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.core.InstrumentedPreferenceFragment;
+import com.android.settings.R;
+
+public class BackgroundCheckSummary extends InstrumentedPreferenceFragment {
+    // layout inflater object used to inflate views
+    private LayoutInflater mInflater;
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.BACKGROUND_CHECK_SUMMARY;
+    }
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (usePreferenceScreenTitle()) {
+            getActivity().setTitle(R.string.background_check_pref);
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        // initialize the inflater
+        mInflater = inflater;
+
+        View rootView = mInflater.inflate(R.layout.background_check_summary,
+                container, false);
+
+        // We have to do this now because PreferenceFrameLayout looks at it
+        // only when the view is added.
+        if (container instanceof PreferenceFrameLayout) {
+            ((PreferenceFrameLayout.LayoutParams) rootView.getLayoutParams()).removeBorders = true;
+        }
+
+        FragmentTransaction ft = getChildFragmentManager().beginTransaction();
+        ft.add(R.id.appops_content, new AppOpsCategory(AppOpsState.RUN_IN_BACKGROUND_TEMPLATE),
+                "appops");
+        ft.commitAllowingStateLoss();
+
+        return rootView;
+    }
+
+}