Merge ""Fix" issue #24357296: Debug.getMemoryInfo doesn't include EGL mtrack..." into mnc-dr-dev
diff --git a/core/res/res/values/attrs_manifest.xml b/core/res/res/values/attrs_manifest.xml
index 1a45b3a..cf08dea 100644
--- a/core/res/res/values/attrs_manifest.xml
+++ b/core/res/res/values/attrs_manifest.xml
@@ -2095,6 +2095,10 @@
             <enum name="hdpi" value="240" />
             <!-- An extra high density screen, approximately 320dpi. -->
             <enum name="xhdpi" value="320" />
+            <!-- An extra extra high density screen, approximately 480dpi. -->
+            <enum name="xxhdpi" value="480" />
+            <!-- An extra extra extra high density screen, approximately 640dpi. -->
+            <enum name="xxxhdpi" value="640" />
         </attr>
     </declare-styleable>
 
diff --git a/docs/html/guide/topics/manifest/compatible-screens-element.jd b/docs/html/guide/topics/manifest/compatible-screens-element.jd
index 3606b15..de921d2 100644
--- a/docs/html/guide/topics/manifest/compatible-screens-element.jd
+++ b/docs/html/guide/topics/manifest/compatible-screens-element.jd
@@ -9,7 +9,7 @@
 <pre>
 &lt;<a href="#compatible-screens">compatible-screens</a>&gt;
     &lt;<a href="#screen">screen</a> android:<a href="#screenSize">screenSize</a>=["small" | "normal" | "large" | "xlarge"]
-            android:<a href="#screenDensity">screenDensity</a>=["ldpi" | "mdpi" | "hdpi" | "xhdpi"] /&gt;
+            android:<a href="#screenDensity">screenDensity</a>=["ldpi" | "mdpi" | "hdpi" | "xhdpi" | "xxhdpi" | "xxxhdpi"] /&gt;
     ...
 &lt;/compatible-screens&gt;
 </pre>
@@ -94,11 +94,9 @@
             <li>{@code mdpi}</li>
             <li>{@code hdpi}</li>
             <li>{@code xhdpi}</li>
+            <li>{@code xxhdpi}</li>
+            <li>{@code xxxhdpi}</li>
           </ul>
-          <p class="note"><strong>Note:</strong> This attribute currently does not accept
-          {@code xxhdpi} as a valid value, but you can instead specify {@code 480}
-          as the value, which is the approximate threshold for xhdpi screens.</p>
-
           <p>For information about the different screen densities, see <a
 href="{@docRoot}guide/practices/screens_support.html#range">Supporting Multiple Screens</a>.</p>
         </dd>
@@ -110,8 +108,8 @@
 <dt>example</dt>
 <dd>
 <p>If your application is compatible with only small and normal screens, regardless
-of screen density, then you must specify eight different {@code &lt;screen&gt;} elements,
-because each screen size has four different density configurations. You must declare each one of
+of screen density, then you must specify twelve different {@code &lt;screen&gt;} elements,
+because each screen size has six different density configurations. You must declare each one of
 these; any combination of size and density that you do <em>not</em> specify is considered a screen
 configuration with which your application is <em>not</em> compatible. Here's what the manifest
 entry looks like if your application is compatible with only small and normal screens:</p>
@@ -125,11 +123,15 @@
         &lt;screen android:screenSize="small" android:screenDensity="mdpi" />
         &lt;screen android:screenSize="small" android:screenDensity="hdpi" />
         &lt;screen android:screenSize="small" android:screenDensity="xhdpi" />
+        &lt;screen android:screenSize="small" android:screenDensity="xxhdpi" />
+        &lt;screen android:screenSize="small" android:screenDensity="xxxhdpi" />
         &lt;!-- all normal size screens -->
         &lt;screen android:screenSize="normal" android:screenDensity="ldpi" />
         &lt;screen android:screenSize="normal" android:screenDensity="mdpi" />
         &lt;screen android:screenSize="normal" android:screenDensity="hdpi" />
         &lt;screen android:screenSize="normal" android:screenDensity="xhdpi" />
+        &lt;screen android:screenSize="normal" android:screenDensity="xxhdpi" />
+        &lt;screen android:screenSize="normal" android:screenDensity="xxxhdpi" />
     &lt;/compatible-screens>
     &lt;application ... >
         ...
diff --git a/media/java/android/media/midi/MidiManager.java b/media/java/android/media/midi/MidiManager.java
index 7197dc0..266b0d9 100644
--- a/media/java/android/media/midi/MidiManager.java
+++ b/media/java/android/media/midi/MidiManager.java
@@ -169,6 +169,13 @@
     /**
      * Registers a callback to receive notifications when MIDI devices are added and removed.
      *
+     * The {@link  DeviceCallback#onDeviceStatusChanged} method will be called immediately
+     * for any devices that have open ports. This allows applications to know which input
+     * ports are already in use and, therefore, unavailable.
+     *
+     * Applications should call {@link #getDevices} before registering the callback
+     * to get a list of devices already added.
+     *
      * @param callback a {@link DeviceCallback} for MIDI device notifications
      * @param handler The {@link android.os.Handler Handler} that will be used for delivering the
      *                device notifications. If handler is null, then the thread used for the
@@ -288,7 +295,6 @@
                         // fetch MidiDeviceInfo from the server
                         MidiDeviceInfo deviceInfo = server.getDeviceInfo();
                         device = new MidiDevice(deviceInfo, server, mService, mToken, deviceToken);
-                        sendOpenDeviceResponse(device, listenerF, handlerF);
                     } catch (RemoteException e) {
                         Log.e(TAG, "remote exception in getDeviceInfo()");
                     }
diff --git a/services/midi/java/com/android/server/midi/MidiService.java b/services/midi/java/com/android/server/midi/MidiService.java
index 3ecfd55..701e07f 100644
--- a/services/midi/java/com/android/server/midi/MidiService.java
+++ b/services/midi/java/com/android/server/midi/MidiService.java
@@ -575,6 +575,8 @@
         Client client = getClient(token);
         if (client == null) return;
         client.addListener(listener);
+        // Let listener know whether any ports are already busy.
+        updateStickyDeviceStatus(client.mUid, listener);
     }
 
     @Override
@@ -584,6 +586,25 @@
         client.removeListener(listener);
     }
 
+    // Inform listener of the status of all known devices.
+    private void updateStickyDeviceStatus(int uid, IMidiDeviceListener listener) {
+        synchronized (mDevicesByInfo) {
+            for (Device device : mDevicesByInfo.values()) {
+                // ignore private devices that our client cannot access
+                if (device.isUidAllowed(uid)) {
+                    try {
+                        MidiDeviceStatus status = device.getDeviceStatus();
+                        if (status != null) {
+                            listener.onDeviceStatusChanged(status);
+                        }
+                    } catch (RemoteException e) {
+                        Log.e(TAG, "remote exception", e);
+                    }
+                }
+            }
+        }
+    }
+
     private static final MidiDeviceInfo[] EMPTY_DEVICE_INFO_ARRAY = new MidiDeviceInfo[0];
 
     public MidiDeviceInfo[] getDevices() {