Add restrict app detail page

1. Move force standby action to BatteryUtils
2. Add click action for restricted preference(go to detail page)
3. Build app list in detail page using packageOps list

Bug: 71502850
Test: RunSettingsRoboTests
Change-Id: I1e6733e5402e7a854b07a8bbb43a86255276bfaa

src/com/android/settings/fuelgauge/RestrictedAppDetails.java

@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 2018 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.fuelgauge;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.support.v14.preference.PreferenceFragment;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.CheckBoxPreference;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceGroup;
+import android.util.IconDrawableFactory;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.SettingsActivity;
+import com.android.settings.Utils;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.fuelgauge.anomaly.Anomaly;
+import com.android.settings.fuelgauge.anomaly.AnomalyDialogFragment;
+import com.android.settings.fuelgauge.anomaly.AnomalyPreference;
+import com.android.settingslib.core.AbstractPreferenceController;
+
+import java.util.List;
+
+/**
+ * Fragment to show a list of anomaly apps, where user could handle these anomalies
+ */
+public class RestrictedAppDetails extends DashboardFragment {
+
+    public static final String TAG = "RestrictedAppDetails";
+
+    private static final String EXTRA_PACKAGE_OPS_LIST = "package_ops_list";
+    private static final String KEY_PREF_RESTRICTED_APP_LIST = "restrict_app_list";
+
+    @VisibleForTesting
+    List<AppOpsManager.PackageOps> mPackageOpsList;
+    @VisibleForTesting
+    IconDrawableFactory mIconDrawableFactory;
+    @VisibleForTesting
+    PreferenceGroup mRestrictedAppListGroup;
+    @VisibleForTesting
+    BatteryUtils mBatteryUtils;
+    @VisibleForTesting
+    PackageManager mPackageManager;
+
+    public static void startRestrictedAppDetails(SettingsActivity caller,
+            PreferenceFragment fragment, List<AppOpsManager.PackageOps> packageOpsList) {
+        Bundle args = new Bundle();
+        args.putParcelableList(EXTRA_PACKAGE_OPS_LIST, packageOpsList);
+
+        caller.startPreferencePanelAsUser(fragment, RestrictedAppDetails.class.getName(), args,
+                R.string.restricted_app_title, null /* titleText */,
+                new UserHandle(UserHandle.myUserId()));
+    }
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        final Context context = getContext();
+
+        mRestrictedAppListGroup = (PreferenceGroup) findPreference(KEY_PREF_RESTRICTED_APP_LIST);
+        mPackageOpsList = getArguments().getParcelableArrayList(EXTRA_PACKAGE_OPS_LIST);
+        mPackageManager = context.getPackageManager();
+        mIconDrawableFactory = IconDrawableFactory.newInstance(context);
+        mBatteryUtils = BatteryUtils.getInstance(context);
+
+        refreshUi();
+    }
+
+    @Override
+    public boolean onPreferenceTreeClick(Preference preference) {
+
+        return super.onPreferenceTreeClick(preference);
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.restricted_apps_detail;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
+        return null;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.FUELGAUGE_RESTRICTED_APP_DETAILS;
+    }
+
+    @VisibleForTesting
+    void refreshUi() {
+        mRestrictedAppListGroup.removeAll();
+        final Context context = getPrefContext();
+
+        for (int i = 0, size = mPackageOpsList.size(); i < size; i++) {
+            final CheckBoxPreference checkBoxPreference = new CheckBoxPreference(context);
+            final AppOpsManager.PackageOps packageOps = mPackageOpsList.get(i);
+            try {
+                final ApplicationInfo applicationInfo = mPackageManager.getApplicationInfo(
+                        packageOps.getPackageName(), 0 /* flags */);
+                checkBoxPreference.setChecked(true);
+                checkBoxPreference.setTitle(mPackageManager.getApplicationLabel(applicationInfo));
+                checkBoxPreference.setKey(packageOps.getPackageName());
+                checkBoxPreference.setOnPreferenceChangeListener((pref, value) -> {
+                    // change the toggle
+                    final int mode = (Boolean) value ? AppOpsManager.MODE_IGNORED
+                            : AppOpsManager.MODE_ALLOWED;
+                    final String packageName = pref.getKey();
+                    final int uid = mBatteryUtils.getPackageUid(packageName);
+                    mBatteryUtils.setForceAppStandby(uid, packageName, mode);
+                    return true;
+                });
+                mRestrictedAppListGroup.addPreference(checkBoxPreference);
+            } catch (PackageManager.NameNotFoundException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+}