Storage banner when device in low disk state.

Bug: 6576409
Change-Id: I25f71935e312bf6efa832d10c22e3edbdc18f4fb

2 files changed, 25 insertions, 1 deletions

diff --git a/res/values/strings.xml b/res/values/strings.xml
index 334c4d4..80a2415 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1848,7 +1848,7 @@
     <!-- SD card & phone storage settings summary. Displayed when the total memory usage is being calculated. Will be replaced with a number like "12.3 GB" when finished calucating. [CHAR LIMIT=30] -->
     <string name="memory_calculating_size">Calculating\u2026</string>
     <!-- SD card & phone storage settings title. Displayed as a title when showing the total usage of applications installed. Below it will be a number like "123.4 MB" indicating used storage. [CHAR LIMIT=50] -->
-    <string name="memory_apps_usage">Apps</string>
+    <string name="memory_apps_usage">Apps (app data &amp; media content)</string>
     <!-- SD card & phone storage settings title. Displayed as a title when showing the total usage of media on the device. Below it will be a number like "123.4 MB" indicating used storage. [CHAR LIMIT=50] -->
     <string name="memory_media_usage">Media</string>
     <!-- SD card & phone storage settings title. Displayed as a title when showing the total usage of /sdcard/Download on the device. Below it will be a number like "123.4 MB" indicating used storage. [CHAR LIMIT=50] -->
@@ -1918,6 +1918,11 @@
     <!-- SD card eject progress text   -->
     <string name="sd_ejecting_summary">Unmount in progress</string>
 
+    <!-- Settings item title when storage is running low [CHAR LIMIT=32] -->
+    <string name="storage_low_title">Storage space is running out</string>
+    <!-- Settings item summary when storage is running low [CHAR LIMIT=NONE] -->
+    <string name="storage_low_summary">Some system functions, such as syncing, may not work correctly. Try to free space by deleting or unpinning items, such as apps or media content.</string>
+
     <!-- Storage setting.  Menu option for USB transfer settings [CHAR LIMIT=30]-->
     <string name="storage_menu_usb">USB computer connection</string>
 
diff --git a/src/com/android/settings/deviceinfo/StorageVolumePreferenceCategory.java b/src/com/android/settings/deviceinfo/StorageVolumePreferenceCategory.java
index bbf1d01..0211c77 100644
--- a/src/com/android/settings/deviceinfo/StorageVolumePreferenceCategory.java
+++ b/src/com/android/settings/deviceinfo/StorageVolumePreferenceCategory.java
@@ -16,9 +16,11 @@
 
 package com.android.settings.deviceinfo;
 
+import android.app.ActivityThread;
 import android.app.DownloadManager;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.IPackageManager;
 import android.content.res.Resources;
 import android.graphics.drawable.ShapeDrawable;
 import android.graphics.drawable.shapes.RectShape;
@@ -26,6 +28,7 @@ import android.os.Bundle;
 import android.os.Environment;
 import android.os.Handler;
 import android.os.Message;
+import android.os.RemoteException;
 import android.os.storage.StorageManager;
 import android.os.storage.StorageVolume;
 import android.preference.Preference;
@@ -53,6 +56,7 @@ public class StorageVolumePreferenceCategory extends PreferenceCategory implemen
     private Preference[] mPreferences;
     private Preference mMountTogglePreference;
     private Preference mFormatPreference;
+    private Preference mStorageLow;
     private int[] mColors;
 
     private Resources mResources;
@@ -204,6 +208,18 @@ public class StorageVolumePreferenceCategory extends PreferenceCategory implemen
             mFormatPreference.setTitle(R.string.sd_format);
             mFormatPreference.setSummary(R.string.sd_format_summary);
         }
+
+        final IPackageManager pm = ActivityThread.getPackageManager();
+        try {
+            if (pm.isStorageLow()) {
+                mStorageLow = new Preference(getContext());
+                mStorageLow.setTitle(R.string.storage_low_title);
+                mStorageLow.setSummary(R.string.storage_low_summary);
+            } else {
+                mStorageLow = null;
+            }
+        } catch (RemoteException e) {
+        }
     }
 
     public StorageVolume getStorageVolume() {
@@ -227,6 +243,9 @@ public class StorageVolumePreferenceCategory extends PreferenceCategory implemen
         }
 
         addPreference(mUsageBarPreference);
+        if (mStorageLow != null) {
+            addPreference(mStorageLow);
+        }
         for (int i = 0; i < numberOfCategories; i++) {
             addPreference(mPreferences[i]);
         }