From 4bb075bc4fb415eacb0fe2d7e74f16de2d9c718a Mon Sep 17 00:00:00 2001
From: Jason Monk <jmonk@google.com>
Date: Tue, 17 Mar 2015 10:06:58 -0400
Subject: [PATCH] Add data item to app info screen

Add link from app info to directly viewing data usage for that app.

Also do some minor tweaks to get ordering and summaries right on
the app info screen.

Bug: 19511439
Change-Id: Ic50dc24bf9a5c1fe6a7aa076772915ba61168fac
---
 res/layout/app_header.xml                     |  2 +-
 res/values/strings.xml                        | 19 +++-
 res/xml/installed_app_details.xml             | 20 ++--
 .../android/settings/DataUsageSummary.java    | 54 ++++++++++-
 .../applications/InstalledAppDetails.java     | 93 ++++++++++++++++++-
 5 files changed, 166 insertions(+), 22 deletions(-)

diff --git a/res/layout/app_header.xml b/res/layout/app_header.xml
index 8c3ca4b6b0b..d9453f49b14 100644
--- a/res/layout/app_header.xml
+++ b/res/layout/app_header.xml
@@ -36,7 +36,7 @@
         android:layout_alignWithParentIfMissing="true"
         android:layout_centerVertical="true"
         android:textAppearance="@style/TextAppearance.Switch"
-        android:textColor="?android:attr/textColorPrimary"
+        android:textColor="@android:color/white"
         android:textAlignment="viewStart" />
 
     <ImageView
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 441034cffc0..f2edaca239d 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -6040,11 +6040,17 @@
    <string name="launch_by_default">Launch by default</string>
 
    <!-- Summary for app storage preference [CHAR LIMIT=15] -->
-   <string name="storage_summary_format"><xliff:g id="size" example="30.00MB">%1$s</xliff:g> used in <xliff:g id="storage_type" example="internal memory">%2$s</xliff:g></string>
-   <!-- Internal storage label [CHAR LIMIT=25] -->
-   <string name="storage_type_internal">internal memory</string>
-   <!-- External storage label [CHAR LIMIT=25] -->
-   <string name="storage_type_external">external memory</string>
+   <string name="storage_summary_format"><xliff:g id="size" example="30.00MB">%1$s</xliff:g> used in <xliff:g id="storage_type" example="internal storage">%2$s</xliff:g></string>
+
+   <!-- Summary describing internal storage for applications [CHAR LIMIT=25] -->
+   <string name="storage_type_internal">internal storage</string>
+   <!-- Summary describing external storage for applications [CHAR LIMIT=25] -->
+   <string name="storage_type_external">external storage</string>
+
+   <!-- Title for data usage screen when entered from app info [CHAR LIMIT=30] -->
+   <string name="app_data_usage">App data usage</string>
+   <!-- Summary for data usage preference [CHAR LIMIT=15] -->
+   <string name="data_summary_format"><xliff:g id="size" example="30.00MB">%1$s</xliff:g> used since <xliff:g id="date" example="Jan 12">%2$s</xliff:g></string>
 
    <!-- App notification summary with notifications enabled [CHAR LIMIT=40] -->
    <string name="notifications_enabled">On</string>
@@ -6068,4 +6074,7 @@
    <!-- Launch defaults preference summary with none set [CHAR LIMIT=40] -->
    <string name="launch_defaults_none">No defaults set</string>
 
+   <!-- Warning toast shown when data usage screen can't find specified app -->
+   <string name="unknown_app">Unknown app</string>
+
 </resources>
diff --git a/res/xml/installed_app_details.xml b/res/xml/installed_app_details.xml
index 05bea5c5634..2f72f5d27db 100644
--- a/res/xml/installed_app_details.xml
+++ b/res/xml/installed_app_details.xml
@@ -20,26 +20,26 @@
         android:key="header_view"
         android:layout="@layout/installed_app_details" />
 
-    <Preference
-        android:key="notification_settings"
-        android:title="@string/notification_section_header"
-        android:selectable="true" />
-
     <Preference
         android:key="storage_settings"
         android:title="@string/storage_settings"
         android:selectable="true" />
 
-    <Preference
-        android:key="permission_settings"
-        android:title="@string/permissions_label"
-        android:selectable="true" />
-
     <Preference
         android:key="data_settings"
         android:title="@string/data_size_label"
         android:selectable="true" />
 
+    <Preference
+        android:key="permission_settings"
+        android:title="@string/permissions_label"
+        android:selectable="true" />
+
+    <Preference
+        android:key="notification_settings"
+        android:title="@string/notification_section_header"
+        android:selectable="true" />
+
     <Preference
         android:key="preferred_settings"
         android:title="@string/launch_by_default"
diff --git a/src/com/android/settings/DataUsageSummary.java b/src/com/android/settings/DataUsageSummary.java
index cba08794bda..3ab1d239e26 100644
--- a/src/com/android/settings/DataUsageSummary.java
+++ b/src/com/android/settings/DataUsageSummary.java
@@ -62,6 +62,7 @@ import android.content.Intent;
 import android.content.Loader;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.UserInfo;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
@@ -120,6 +121,7 @@ import android.widget.ProgressBar;
 import android.widget.Spinner;
 import android.widget.Switch;
 import android.widget.TabHost;
+import android.widget.Toast;
 import android.widget.TabHost.OnTabChangeListener;
 import android.widget.TabHost.TabContentFactory;
 import android.widget.TabHost.TabSpec;
@@ -142,7 +144,6 @@ import com.android.settings.sim.SimSettings;
 import com.android.settings.widget.ChartDataUsageView;
 import com.android.settings.widget.ChartDataUsageView.DataUsageChartListener;
 import com.android.settings.widget.ChartNetworkSeriesView;
-
 import com.google.android.collect.Lists;
 
 import libcore.util.Objects;
@@ -191,6 +192,8 @@ public class DataUsageSummary extends HighlightingFragment implements Indexable
             "data_usage_disable_mobile_limit";
     private static final String DATA_USAGE_CYCLE_KEY = "data_usage_cycle";
 
+    public static final String EXTRA_SHOW_APP_IMMEDIATE_PKG = "showAppImmediatePkg";
+
     private static final int LOADER_CHART_DATA = 2;
     private static final int LOADER_SUMMARY = 3;
 
@@ -281,6 +284,9 @@ public class DataUsageSummary extends HighlightingFragment implements Indexable
 
     private UidDetailProvider mUidDetailProvider;
 
+    // Indicates request to show app immediately rather than list.
+    private String mShowAppImmediatePkg;
+
     /**
      * Local cache of data enabled for subId, used to work around delays.
      */
@@ -332,6 +338,13 @@ public class DataUsageSummary extends HighlightingFragment implements Indexable
             mShowEthernet = true;
         }
 
+        mUidDetailProvider = new UidDetailProvider(context);
+
+        Bundle arguments = getArguments();
+        if (arguments != null) {
+            mShowAppImmediatePkg = arguments.getString(EXTRA_SHOW_APP_IMMEDIATE_PKG);
+        }
+
         setHasOptionsMenu(true);
     }
 
@@ -342,7 +355,6 @@ public class DataUsageSummary extends HighlightingFragment implements Indexable
         final Context context = inflater.getContext();
         final View view = inflater.inflate(R.layout.data_usage_summary, container, false);
 
-        mUidDetailProvider = new UidDetailProvider(context);
 
         mTabHost = (TabHost) view.findViewById(android.R.id.tabhost);
         mTabsContainer = (ViewGroup) view.findViewById(R.id.tabs_container);
@@ -448,9 +460,34 @@ public class DataUsageSummary extends HighlightingFragment implements Indexable
         mListView.setOnItemClickListener(mListListener);
         mListView.setAdapter(mAdapter);
 
+        showRequestedAppIfNeeded();
+
         return view;
     }
 
+    private void showRequestedAppIfNeeded() {
+        if (mShowAppImmediatePkg == null) {
+            return;
+        }
+        try {
+            int uid = getActivity().getPackageManager().getPackageUid(mShowAppImmediatePkg,
+                UserHandle.myUserId());
+            AppItem app = new AppItem(uid);
+            app.addUid(uid);
+
+            final UidDetail detail = mUidDetailProvider.getUidDetail(app.key, true);
+            // When we are going straight to an app then we are coming from App Info and want
+            // a header at the top.
+            AppHeader.createAppHeader(getActivity(), detail.icon, detail.label, null);
+            AppDetailsFragment.show(DataUsageSummary.this, app, detail.label, false);
+        } catch (NameNotFoundException e) {
+            Log.w(TAG, "Could not find " + mShowAppImmediatePkg, e);
+            Toast.makeText(getActivity(), getString(R.string.unknown_app), Toast.LENGTH_LONG)
+                    .show();
+            getActivity().finish();
+        }
+    }
+
     @Override
     public void onViewStateRestored(Bundle savedInstanceState) {
         super.onViewStateRestored(savedInstanceState);
@@ -639,6 +676,10 @@ public class DataUsageSummary extends HighlightingFragment implements Indexable
      * only be assigned after initial layout is complete.
      */
     private void ensureLayoutTransitions() {
+        if (mShowAppImmediatePkg != null) {
+            // If we are skipping right to showing an app, we don't care about transitions.
+            return;
+        }
         // skip when already setup
         if (mChart.getLayoutTransition() != null) return;
 
@@ -1887,6 +1928,11 @@ public class DataUsageSummary extends HighlightingFragment implements Indexable
         private static final String EXTRA_APP = "app";
 
         public static void show(DataUsageSummary parent, AppItem app, CharSequence label) {
+            show(parent, app, label, true);
+        }
+
+        public static void show(DataUsageSummary parent, AppItem app, CharSequence label,
+                boolean addToBack) {
             if (!parent.isAdded()) return;
 
             final Bundle args = new Bundle();
@@ -1897,7 +1943,9 @@ public class DataUsageSummary extends HighlightingFragment implements Indexable
             fragment.setTargetFragment(parent, 0);
             final FragmentTransaction ft = parent.getFragmentManager().beginTransaction();
             ft.add(fragment, TAG_APP_DETAILS);
-            ft.addToBackStack(TAG_APP_DETAILS);
+            if (addToBack) {
+                ft.addToBackStack(TAG_APP_DETAILS);
+            }
             ft.setBreadCrumbTitle(
                     parent.getResources().getString(R.string.data_usage_app_summary_title));
             ft.commitAllowingStateLoss();
diff --git a/src/com/android/settings/applications/InstalledAppDetails.java b/src/com/android/settings/applications/InstalledAppDetails.java
index 59dbd0ee7c6..7f20b3254f0 100755
--- a/src/com/android/settings/applications/InstalledAppDetails.java
+++ b/src/com/android/settings/applications/InstalledAppDetails.java
@@ -19,23 +19,33 @@ package com.android.settings.applications;
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.AlertDialog;
+import android.app.LoaderManager.LoaderCallbacks;
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.Loader;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
+import android.net.INetworkStatsService;
+import android.net.INetworkStatsSession;
+import android.net.NetworkTemplate;
+import android.net.TrafficStats;
 import android.net.Uri;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.os.RemoteException;
+import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.provider.Settings;
+import android.text.format.DateUtils;
+import android.text.format.Formatter;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
@@ -44,10 +54,14 @@ import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import com.android.settings.DataUsageSummary;
+import com.android.settings.DataUsageSummary.AppItem;
 import com.android.settings.R;
 import com.android.settings.SettingsActivity;
 import com.android.settings.Utils;
 import com.android.settings.applications.ApplicationsState.AppEntry;
+import com.android.settings.net.ChartData;
+import com.android.settings.net.ChartDataLoader;
 import com.android.settings.notification.NotificationAppList;
 import com.android.settings.notification.NotificationAppList.AppRow;
 import com.android.settings.notification.NotificationAppList.Backend;
@@ -76,6 +90,8 @@ public class InstalledAppDetails extends AppInfoBase
     public static final int REQUEST_UNINSTALL = 0;
     private static final int SUB_INFO_FRAGMENT = 1;
 
+    private static final int LOADER_CHART_DATA = 2;
+
     private static final int DLG_FORCE_STOP = DLG_BASE + 1;
     private static final int DLG_DISABLE = DLG_BASE + 2;
     private static final int DLG_SPECIAL_DISABLE = DLG_BASE + 3;
@@ -109,6 +125,9 @@ public class InstalledAppDetails extends AppInfoBase
     // Used for updating notification preference.
     private final Backend mBackend = new Backend();
 
+    private ChartData mChartData;
+    private INetworkStatsSession mStatsSession;
+
     private boolean handleDisableable(Button button) {
         boolean disableable = false;
         // Try to prevent the user from bricking their phone
@@ -207,6 +226,37 @@ public class InstalledAppDetails extends AppInfoBase
 
         setHasOptionsMenu(true);
         addPreferencesFromResource(R.xml.installed_app_details);
+
+        INetworkStatsService statsService = INetworkStatsService.Stub.asInterface(
+                ServiceManager.getService(Context.NETWORK_STATS_SERVICE));
+        try {
+            mStatsSession = statsService.openSession();
+        } catch (RemoteException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        AppItem app = new AppItem(mAppEntry.info.uid);
+        app.addUid(mAppEntry.info.uid);
+        getLoaderManager().restartLoader(LOADER_CHART_DATA,
+                ChartDataLoader.buildArgs(NetworkTemplate.buildTemplateMobileWildcard(), app),
+                mDataCallbacks);
+    }
+
+    @Override
+    public void onPause() {
+        getLoaderManager().destroyLoader(LOADER_CHART_DATA);
+        super.onPause();
+    }
+
+    @Override
+    public void onDestroy() {
+        TrafficStats.closeQuietly(mStatsSession);
+
+        super.onDestroy();
     }
 
     public void onActivityCreated(Bundle savedInstanceState) {
@@ -223,8 +273,6 @@ public class InstalledAppDetails extends AppInfoBase
         mLaunchPreference.setOnPreferenceClickListener(this);
         mDataPreference = findPreference(KEY_DATA);
         mDataPreference.setOnPreferenceClickListener(this);
-        // Data isn't ready, lets just pull it for now.
-        getPreferenceScreen().removePreference(mDataPreference);
     }
 
     private void handleHeader() {
@@ -384,6 +432,7 @@ public class InstalledAppDetails extends AppInfoBase
                 mPm, context));
         mNotificationPreference.setSummary(getNotificationSummary(mAppEntry, context,
                 mBackend));
+        mDataPreference.setSummary(getDataSummary());
 
         if (!mInitialized) {
             // First time init: are we displaying an uninstalled app?
@@ -410,6 +459,18 @@ public class InstalledAppDetails extends AppInfoBase
         return true;
     }
 
+    private CharSequence getDataSummary() {
+        if (mChartData != null) {
+            long totalBytes = mChartData.detail.getTotalBytes();
+            Context context = getActivity();
+            return getString(R.string.data_summary_format,
+                    Formatter.formatFileSize(context, totalBytes),
+                    DateUtils.formatDateTime(context, mChartData.detail.getStart(),
+                            DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_ABBREV_MONTH));
+        }
+        return getString(R.string.computing_size);
+    }
+
     @Override
     protected AlertDialog createDialog(int id, int errorCode) {
         switch (id) {
@@ -579,7 +640,13 @@ public class InstalledAppDetails extends AppInfoBase
         } else if (preference == mLaunchPreference) {
             startAppInfoFragment(AppLaunchSettings.class, mLaunchPreference.getTitle());
         } else if (preference == mDataPreference) {
-            // Not yet.
+            Bundle args = new Bundle();
+            args.putString(DataUsageSummary.EXTRA_SHOW_APP_IMMEDIATE_PKG,
+                    mAppEntry.info.packageName);
+
+            SettingsActivity sa = (SettingsActivity) getActivity();
+            sa.startPreferencePanel(DataUsageSummary.class.getName(), args, -1,
+                    getString(R.string.app_data_usage), this, SUB_INFO_FRAGMENT);
         } else {
             return false;
         }
@@ -627,6 +694,26 @@ public class InstalledAppDetails extends AppInfoBase
         }
     }
 
+    private final LoaderCallbacks<ChartData> mDataCallbacks = new LoaderCallbacks<ChartData>() {
+
+        @Override
+        public Loader<ChartData> onCreateLoader(int id, Bundle args) {
+            return new ChartDataLoader(getActivity(), mStatsSession, args);
+        }
+
+        @Override
+        public void onLoadFinished(Loader<ChartData> loader, ChartData data) {
+            mChartData = data;
+            mDataPreference.setSummary(getDataSummary());
+        }
+
+        @Override
+        public void onLoaderReset(Loader<ChartData> loader) {
+            mChartData = null;
+            mDataPreference.setSummary(getDataSummary());
+        }
+    };
+
     private final BroadcastReceiver mCheckKillProcessesReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {