Measure external storage application usage

Application data usage on the SD card (or USB storage) was not being
reported by the Manage Applications screen. This is important for
upcoming OBB space accounting.

Bug: 3308791
Change-Id: Ibc9ad013cb2f6d0ee28caadca8899c1ff6e78f44

res/layout/installed_app_details.xml

@@ -132,6 +132,7 @@
                     android:maxLines="1" />
 
             </LinearLayout>
+
             <LinearLayout
                 android:id="@+id/info_size"
                 android:layout_width="match_parent"
@@ -169,6 +170,44 @@
                     android:maxLines="1" />
 
             </LinearLayout>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:baselineAligned="true"
+                android:paddingTop="-1dip">
+                <TextView
+                    android:id="@+id/external_size_prefix"
+                    android:text="@string/external_size_label"
+                    android:textAppearance="?android:attr/textAppearanceMedium"
+                    android:layout_height="wrap_content"
+                    android:layout_width="wrap_content"
+                    android:maxLines="1"
+                    android:paddingTop="6dip"
+                    android:paddingLeft="6dip"/>
+                <ImageView
+                    android:id="@+id/info_size_dots"
+                    android:src="@drawable/dotted_line_480px"
+                    android:layout_width="0dip"
+                    android:layout_weight="1"
+                    android:layout_height="1px"
+                    android:layout_gravity="bottom"
+                    android:layout_marginLeft="1dip"
+                    android:layout_marginRight="1dip"
+                    android:layout_marginBottom="4dip"
+                    android:scaleType="center" />
+                <TextView
+                    android:id="@+id/external_size_text"
+                    android:textAppearance="?android:attr/textAppearanceMedium"
+                    android:paddingTop="6dip"
+                    android:paddingRight="6dip"
+                    android:layout_height="wrap_content"
+                    android:layout_width="wrap_content"
+                    android:maxLines="1" />
+
+            </LinearLayout>
+
             <!-- Clear data and install location buttons  -->
             <include
                 layout="@layout/two_buttons_panel"

res/values/strings.xml

@@ -1969,6 +1969,10 @@
     <string name="application_size_label">Application</string>
     <!-- Manage applications, individual application info screen, label under Storage heading.  The amount of sapce taken up by the app's data (for example, downloaded emails or something like that) -->
     <string name="data_size_label">Data</string>
+    <!--  Manage applications, individual application info screen, label under Storage heading.  The amount of space taken up by the app's data on USB storage [CHARSIZE=40] -->
+    <string name="external_size_label" product="nosdcard">USB storage</string>
+    <!--  Manage applications, individual application info screen, label under Storage heading.  The amount of space taken up by the app's data on the SD card [CHARSIZE=40] -->
+    <string name="external_size_label" product="default">SD card</string>
     <!-- Manage applications, individual application info screen, button label under Storage heading. Button to remove the application from the system. -->
     <string name="uninstall_text">Uninstall</string>
     <!-- [CHAR LIMIT=25] Manage applications, individual application info screen, button label under Storage heading. Button to disable an existing application. -->

src/com/android/settings/applications/ApplicationsState.java

@@ -71,6 +71,7 @@ public class ApplicationsState {
         long cacheSize;
         long codeSize;
         long dataSize;
+        long externalSize;
     }
     
     public static class AppEntry extends SizeInfo {
@@ -626,9 +627,16 @@ public class ApplicationsState {
 
     // --------------------------------------------------------------
 
-    private long getTotalSize(PackageStats ps) {
+    private long getTotalInternalSize(PackageStats ps) {
         if (ps != null) {
-            return ps.codeSize+ps.dataSize;
+            return ps.codeSize + ps.dataSize;
+        }
+        return SIZE_INVALID;
+    }
+
+    private long getTotalExternalSize(PackageStats ps) {
+        if (ps != null) {
+            return ps.externalDataSize + ps.externalMediaSize + ps.externalCacheSize;
         }
         return SIZE_INVALID;
     }
@@ -660,15 +668,18 @@ public class ApplicationsState {
                         synchronized (entry) {
                             entry.sizeStale = false;
                             entry.sizeLoadStart = 0;
-                            long newSize = getTotalSize(stats);
+                            long externalSize = getTotalExternalSize(stats);
+                            long newSize = externalSize + getTotalInternalSize(stats);
                             if (entry.size != newSize ||
                                     entry.cacheSize != stats.cacheSize ||
                                     entry.codeSize != stats.codeSize ||
-                                    entry.dataSize != stats.dataSize) {
+                                    entry.dataSize != stats.dataSize ||
+                                    entry.externalSize != externalSize) {
                                 entry.size = newSize;
                                 entry.cacheSize = stats.cacheSize;
                                 entry.codeSize = stats.codeSize;
                                 entry.dataSize = stats.dataSize;
+                                entry.externalSize = externalSize;
                                 entry.sizeStr = getSizeStr(entry.size);
                                 if (DEBUG) Log.i(TAG, "Set size of " + entry.label + " " + entry
                                         + ": " + entry.sizeStr);

src/com/android/settings/applications/InstalledAppDetails.java

@@ -93,6 +93,7 @@ public class InstalledAppDetails extends Fragment
     private TextView mTotalSize;
     private TextView mAppSize;
     private TextView mDataSize;
+    private TextView mExternalSize;
     private ClearUserDataObserver mClearDataObserver;
     // Views related to cache info
     private TextView mCacheSize;
@@ -107,6 +108,7 @@ public class InstalledAppDetails extends Fragment
     private boolean mHaveSizes = false;
     private long mLastCodeSize = -1;
     private long mLastDataSize = -1;
+    private long mLastExternalSize = -1;
     private long mLastCacheSize = -1;
     private long mLastTotalSize = -1;
     
@@ -317,6 +319,7 @@ public class InstalledAppDetails extends Fragment
         mTotalSize = (TextView)view.findViewById(R.id.total_size_text);
         mAppSize = (TextView)view.findViewById(R.id.application_size_text);
         mDataSize = (TextView)view.findViewById(R.id.data_size_text);
+        mExternalSize = (TextView)view.findViewById(R.id.external_size_text);
         
         // Get Control button panel
         View btnPanel = view.findViewById(R.id.control_buttons_panel);
@@ -504,6 +507,10 @@ public class InstalledAppDetails extends Fragment
                 mLastDataSize = mAppEntry.dataSize;
                 mDataSize.setText(getSizeStr(mAppEntry.dataSize));
             }
+            if (mLastExternalSize != mAppEntry.externalSize) {
+                mLastExternalSize = mAppEntry.externalSize;
+                mExternalSize.setText(getSizeStr(mAppEntry.externalSize));
+            }
             if (mLastCacheSize != mAppEntry.cacheSize) {
                 mLastCacheSize = mAppEntry.cacheSize;
                 mCacheSize.setText(getSizeStr(mAppEntry.cacheSize));