Merge "Saver: PowerManager call to set low power mode." into lmp-dev
diff --git a/core/java/com/android/internal/os/TransferPipe.java b/core/java/com/android/internal/os/TransferPipe.java
index 068d914..e76b395 100644
--- a/core/java/com/android/internal/os/TransferPipe.java
+++ b/core/java/com/android/internal/os/TransferPipe.java
@@ -174,15 +174,27 @@
     }
 
     public void kill() {
-        closeFd(0);
-        closeFd(1);
+        synchronized (this) {
+            closeFd(0);
+            closeFd(1);
+        }
     }
 
     @Override
     public void run() {
         final byte[] buffer = new byte[1024];
-        final FileInputStream fis = new FileInputStream(getReadFd().getFileDescriptor());
-        final FileOutputStream fos = new FileOutputStream(mOutFd);
+        final FileInputStream fis;
+        final FileOutputStream fos;
+
+        synchronized (this) {
+            ParcelFileDescriptor readFd = getReadFd();
+            if (readFd == null) {
+                Slog.w(TAG, "Pipe has been closed...");
+                return;
+            }
+            fis = new FileInputStream(readFd.getFileDescriptor());
+            fos = new FileOutputStream(mOutFd);
+        }
 
         if (DEBUG) Slog.i(TAG, "Ready to read pipe...");
         byte[] bufferPrefix = null;
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 0e4f965..5c0e5cf 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -353,7 +353,27 @@
     <integer translatable="false" name="config_wifi_framework_5GHz_preference_penalty_threshold">-75</integer>
     <integer translatable="false" name="config_wifi_framework_5GHz_preference_penalty_factor">2</integer>
 
+    <!-- Integer parameters of the wifi to cellular handover feature
+         wifi should not stick to bad networks -->
+    <integer translatable="false" name="config_wifi_framework_wifi_score_bad_rssi_threshold_5GHz">-60</integer>
+    <integer translatable="false" name="config_wifi_framework_wifi_score_low_rssi_threshold_5GHz">-72</integer>
+    <integer translatable="false" name="config_wifi_framework_wifi_score_good_rssi_threshold_5GHz">-82</integer>
+    <integer translatable="false" name="config_wifi_framework_wifi_score_bad_rssi_threshold_24GHz">-87</integer>
+    <integer translatable="false" name="config_wifi_framework_wifi_score_low_rssi_threshold_24GHz">-77</integer>
+    <integer translatable="false" name="config_wifi_framework_wifi_score_good_rssi_threshold_24GHz">-65</integer>
+    <integer translatable="false" name="config_wifi_framework_wifi_score_bad_link_speed_24">6</integer>
+    <integer translatable="false" name="config_wifi_framework_wifi_score_bad_link_speed_5">12</integer>
+    <integer translatable="false" name="config_wifi_framework_wifi_score_good_link_speed_24">24</integer>
+    <integer translatable="false" name="config_wifi_framework_wifi_score_good_link_speed_5">36</integer>
+    <bool translatable="false" name="config_wifi_framework_cellular_handover_enable_user_triggered_adjustment">true</bool>
 
+    <!-- Integer packet threshold used to allow scan while associated -->
+    <integer translatable="false" name="config_wifi_framework_associated_full_scan_tx_packet_threshold">5</integer>
+    <integer translatable="false" name="config_wifi_framework_associated_full_scan_rx_packet_threshold">10</integer>
+    <integer translatable="false" name="config_wifi_framework_associated_partial_scan_tx_packet_threshold">40</integer>
+    <integer translatable="false" name="config_wifi_framework_associated_partial_scan_rx_packet_threshold">80</integer>
+    <integer translatable="false" name="config_wifi_framework_network_switch_tx_packet_threshold">2</integer>
+    <integer translatable="false" name="config_wifi_framework_network_switch_rx_packet_threshold">20</integer>
 
     <!-- Integer indicating wpa_supplicant scan interval in milliseconds -->
     <integer translatable="false" name="config_wifi_supplicant_scan_interval">15000</integer>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index e4ca36d..0c13bd5 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -312,6 +312,24 @@
   <java-symbol type="integer" name="config_wifi_framework_associated_full_scan_max_total_dwell_time" />
   <java-symbol type="integer" name="config_wifi_framework_associated_partial_scan_max_num_active_channels" />
   <java-symbol type="integer" name="config_wifi_framework_associated_partial_scan_max_num_passive_channels" />
+  <java-symbol type="integer" name="config_wifi_framework_wifi_score_bad_rssi_threshold_24GHz" />
+  <java-symbol type="integer" name="config_wifi_framework_wifi_score_low_rssi_threshold_24GHz" />
+  <java-symbol type="integer" name="config_wifi_framework_wifi_score_good_rssi_threshold_24GHz" />
+  <java-symbol type="integer" name="config_wifi_framework_wifi_score_bad_rssi_threshold_5GHz" />
+  <java-symbol type="integer" name="config_wifi_framework_wifi_score_low_rssi_threshold_5GHz" />
+  <java-symbol type="integer" name="config_wifi_framework_wifi_score_good_rssi_threshold_5GHz" />
+  <java-symbol type="integer" name="config_wifi_framework_wifi_score_bad_link_speed_24" />
+  <java-symbol type="integer" name="config_wifi_framework_wifi_score_bad_link_speed_5" />
+  <java-symbol type="integer" name="config_wifi_framework_wifi_score_good_link_speed_24" />
+  <java-symbol type="integer" name="config_wifi_framework_wifi_score_good_link_speed_5" />
+
+  <java-symbol type="bool" name="config_wifi_framework_cellular_handover_enable_user_triggered_adjustment" />
+  <java-symbol type="integer" name="config_wifi_framework_associated_full_scan_tx_packet_threshold" />
+  <java-symbol type="integer" name="config_wifi_framework_associated_full_scan_rx_packet_threshold" />
+  <java-symbol type="integer" name="config_wifi_framework_associated_partial_scan_tx_packet_threshold" />
+  <java-symbol type="integer" name="config_wifi_framework_associated_partial_scan_rx_packet_threshold" />
+  <java-symbol type="integer" name="config_wifi_framework_network_switch_tx_packet_threshold" />
+  <java-symbol type="integer" name="config_wifi_framework_network_switch_tx_packet_threshold" />
   <java-symbol type="integer" name="config_bluetooth_max_advertisers" />
   <java-symbol type="integer" name="config_bluetooth_max_scan_filters" />
   <java-symbol type="integer" name="config_cursorWindowSize" />
diff --git a/media/java/android/media/tv/TvInputService.java b/media/java/android/media/tv/TvInputService.java
index 317d472..4f8facb 100644
--- a/media/java/android/media/tv/TvInputService.java
+++ b/media/java/android/media/tv/TvInputService.java
@@ -66,8 +66,7 @@
  * </p>
  */
 public abstract class TvInputService extends Service {
-    // STOPSHIP: Turn debugging off.
-    private static final boolean DEBUG = true;
+    private static final boolean DEBUG = false;
     private static final String TAG = "TvInputService";
 
     /**
diff --git a/media/java/android/media/tv/TvView.java b/media/java/android/media/tv/TvView.java
index 213e34c..0949b1a 100644
--- a/media/java/android/media/tv/TvView.java
+++ b/media/java/android/media/tv/TvView.java
@@ -57,8 +57,7 @@
  */
 public class TvView extends ViewGroup {
     private static final String TAG = "TvView";
-    // STOPSHIP: Turn debugging off.
-    private static final boolean DEBUG = true;
+    private static final boolean DEBUG = false;
 
     private static final int VIDEO_SIZE_VALUE_UNKNOWN = 0;
 
diff --git a/packages/SystemUI/res/layout-sw600dp/navigation_bar.xml b/packages/SystemUI/res/layout-sw600dp/navigation_bar.xml
index b5983bb..c2733fb 100644
--- a/packages/SystemUI/res/layout-sw600dp/navigation_bar.xml
+++ b/packages/SystemUI/res/layout-sw600dp/navigation_bar.xml
@@ -59,7 +59,6 @@
                 android:src="@drawable/ic_sysbar_back"
                 systemui:keyCode="4"
                 android:layout_weight="0"
-                android:background="@drawable/ripple_drawable"
                 android:contentDescription="@string/accessibility_back"
                 />
             <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/home"
@@ -69,7 +68,6 @@
                 systemui:keyCode="3"
                 systemui:keyRepeat="true"
                 android:layout_weight="0"
-                android:background="@drawable/ripple_drawable"
                 android:contentDescription="@string/accessibility_home"
                 />
             <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/recent_apps"
@@ -77,7 +75,6 @@
                 android:layout_height="match_parent"
                 android:src="@drawable/ic_sysbar_recent"
                 android:layout_weight="0"
-                android:background="@drawable/ripple_drawable"
                 android:contentDescription="@string/accessibility_recent"
                 />
             <Space 
@@ -98,7 +95,6 @@
                     systemui:keyCode="82"
                     android:visibility="invisible"
                     android:contentDescription="@string/accessibility_menu"
-                    android:background="@drawable/ripple_drawable"
                     />
                 <com.android.systemui.statusbar.policy.KeyButtonView
                     android:id="@+id/ime_switcher"
@@ -108,8 +104,7 @@
                     android:scaleType="centerInside"
                     android:src="@drawable/ic_ime_switcher_default"
                     android:visibility="invisible"
-                    android:contentDescription="@string/accessibility_ime_switch_button"
-                    android:background="@drawable/ripple_drawable" />
+                    android:contentDescription="@string/accessibility_ime_switch_button" />
             </FrameLayout>
         </LinearLayout>
 
@@ -205,7 +200,6 @@
                 android:src="@drawable/ic_sysbar_back"
                 systemui:keyCode="4"
                 android:layout_weight="0"
-                android:background="@drawable/ripple_drawable"
                 android:contentDescription="@string/accessibility_back"
                 />
             <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/home"
@@ -215,7 +209,6 @@
                 systemui:keyCode="3"
                 systemui:keyRepeat="true"
                 android:layout_weight="0"
-                android:background="@drawable/ripple_drawable"
                 android:contentDescription="@string/accessibility_home"
                 />
             <com.android.systemui.statusbar.policy.KeyButtonView android:id="@+id/recent_apps"
@@ -223,7 +216,6 @@
                 android:layout_height="match_parent"
                 android:src="@drawable/ic_sysbar_recent"
                 android:layout_weight="0"
-                android:background="@drawable/ripple_drawable"
                 android:contentDescription="@string/accessibility_recent"
                 />
             <Space 
@@ -243,9 +235,7 @@
                     android:src="@drawable/ic_sysbar_menu"
                     systemui:keyCode="82"
                     android:visibility="invisible"
-                    android:contentDescription="@string/accessibility_menu"
-                    android:background="@drawable/ripple_drawable"
-                    />
+                    android:contentDescription="@string/accessibility_menu" />
                 <com.android.systemui.statusbar.policy.KeyButtonView
                     android:id="@+id/ime_switcher"
                     android:layout_width="@dimen/navigation_extra_key_width"
@@ -254,8 +244,7 @@
                     android:src="@drawable/ic_ime_switcher_default"
                     android:visibility="invisible"
                     android:contentDescription="@string/accessibility_ime_switch_button"
-                    android:scaleType="centerInside"
-                    android:background="@drawable/ripple_drawable" />
+                    android:scaleType="centerInside" />
             </FrameLayout>
         </LinearLayout>
 
diff --git a/packages/SystemUI/res/layout/navigation_bar.xml b/packages/SystemUI/res/layout/navigation_bar.xml
index a165940..16027d9 100644
--- a/packages/SystemUI/res/layout/navigation_bar.xml
+++ b/packages/SystemUI/res/layout/navigation_bar.xml
@@ -55,7 +55,6 @@
                 systemui:keyCode="4"
                 android:layout_weight="0"
                 android:scaleType="center"
-                android:background="@drawable/ripple_drawable"
                 android:contentDescription="@string/accessibility_back"
                 />
             <View 
@@ -71,7 +70,6 @@
                 systemui:keyCode="3"
                 systemui:keyRepeat="false"
                 android:layout_weight="0"
-                android:background="@drawable/ripple_drawable"
                 android:contentDescription="@string/accessibility_home"
                 />
             <View 
@@ -85,7 +83,6 @@
                 android:layout_height="match_parent"
                 android:src="@drawable/ic_sysbar_recent"
                 android:layout_weight="0"
-                android:background="@drawable/ripple_drawable"
                 android:contentDescription="@string/accessibility_recent"
                 />
             <FrameLayout
@@ -99,7 +96,6 @@
                     android:contentDescription="@string/accessibility_menu"
                     android:src="@drawable/ic_sysbar_menu"
                     android:visibility="invisible"
-                    android:background="@drawable/ripple_drawable"
                     systemui:keyCode="82" />
 
                 <com.android.systemui.statusbar.policy.KeyButtonView
@@ -109,8 +105,7 @@
                     android:contentDescription="@string/accessibility_ime_switch_button"
                     android:scaleType="centerInside"
                     android:src="@drawable/ic_ime_switcher_default"
-                    android:visibility="invisible"
-                    android:background="@drawable/ripple_drawable" />
+                    android:visibility="invisible" />
             </FrameLayout>
 
         </LinearLayout>
@@ -202,8 +197,7 @@
                     android:contentDescription="@string/accessibility_ime_switch_button"
                     android:scaleType="centerInside"
                     android:src="@drawable/ic_ime_switcher_default"
-                    android:visibility="invisible"
-                    android:background="@drawable/ripple_drawable" />
+                    android:visibility="invisible" />
 
                 <com.android.systemui.statusbar.policy.KeyButtonView
                     android:id="@+id/menu"
@@ -212,7 +206,6 @@
                     android:contentDescription="@string/accessibility_menu"
                     android:src="@drawable/ic_sysbar_menu_land"
                     android:visibility="invisible"
-                    android:background="@drawable/ripple_drawable"
                     systemui:keyCode="82" />
             </FrameLayout>
 
@@ -222,7 +215,6 @@
                 android:src="@drawable/ic_sysbar_recent_land"
                 android:layout_weight="0"
                 android:contentDescription="@string/accessibility_recent"
-                android:background="@drawable/ripple_drawable"
                 />
             <View 
                 android:layout_height="match_parent"
@@ -238,7 +230,6 @@
                 systemui:keyRepeat="false"
                 android:layout_weight="0"
                 android:contentDescription="@string/accessibility_home"
-                android:background="@drawable/ripple_drawable"
                 />
             <View 
                 android:layout_height="match_parent"
@@ -254,7 +245,6 @@
                 systemui:keyCode="4"
                 android:layout_weight="0"
                 android:contentDescription="@string/accessibility_back"
-                android:background="@drawable/ripple_drawable"
                 />
             <View
                 android:layout_height="40dp"
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
index 16c0e66..b814b61 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
@@ -17,11 +17,15 @@
 package com.android.systemui.statusbar.policy;
 
 import android.animation.Animator;
+import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
+import android.animation.TimeInterpolator;
 import android.app.ActivityManager;
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.graphics.drawable.Drawable;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.RectF;
 import android.hardware.input.InputManager;
 import android.media.AudioManager;
 import android.os.Bundle;
@@ -34,10 +38,12 @@
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.SoundEffectConstants;
+import android.view.View;
 import android.view.ViewConfiguration;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
 import android.widget.ImageView;
+import java.lang.Math;
 
 import com.android.systemui.R;
 
@@ -50,15 +56,21 @@
 
     // TODO: Get rid of this
     public static final float DEFAULT_QUIESCENT_ALPHA = 1f;
+    public static final float MAX_ALPHA = 0.15f;
+    public static final float GLOW_MAX_SCALE_FACTOR = 1.5f;
 
     private long mDownTime;
     private int mCode;
     private int mTouchSlop;
+    private float mGlowAlpha = 0f;
+    private float mGlowScale = 1f;
     private float mDrawingAlpha = 1f;
     private float mQuiescentAlpha = DEFAULT_QUIESCENT_ALPHA;
     private boolean mSupportsLongpress = true;
+    private AnimatorSet mPressedAnim;
     private Animator mAnimateToQuiescent = new ObjectAnimator();
-    private Drawable mBackground;
+    private Paint mRipplePaint;
+    private final TimeInterpolator mInterpolator = (TimeInterpolator) new LogInterpolator();
     private AudioManager mAudioManager;
 
     private final Runnable mCheckLongPress = new Runnable() {
@@ -90,11 +102,6 @@
 
         mSupportsLongpress = a.getBoolean(R.styleable.KeyButtonView_keyRepeat, true);
 
-        Drawable d = getBackground();
-        if (d != null) {
-            mBackground = d.mutate();
-            setBackground(mBackground);
-        }
 
         setDrawingAlpha(mQuiescentAlpha);
 
@@ -134,13 +141,45 @@
         return super.performAccessibilityAction(action, arguments);
     }
 
+    private Paint getRipplePaint() {
+        if (mRipplePaint == null) {
+            mRipplePaint = new Paint();
+            mRipplePaint.setAntiAlias(true);
+            mRipplePaint.setColor(0xffffffff);
+        }
+        return mRipplePaint;
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        final Paint p = getRipplePaint();
+        p.setAlpha((int)(MAX_ALPHA * mDrawingAlpha * mGlowAlpha * 255));
+
+        final float w = getWidth();
+        final float h = getHeight();
+        final boolean horizontal = w > h;
+        final float diameter = (horizontal ? w : h) * mGlowScale;
+        final float radius = diameter * .5f;
+        final float cx = w * .5f;
+        final float cy = h * .5f;
+        final float rx = horizontal ? radius : cx;
+        final float ry = horizontal ? cy : radius;
+        final float corner = horizontal ? cy : cx;
+
+        canvas.drawRoundRect(cx - rx, cy - ry,
+                             cx + rx, cy + ry,
+                             corner, corner, p);
+
+        super.onDraw(canvas);
+    }
+
     public void setQuiescentAlpha(float alpha, boolean animate) {
         mAnimateToQuiescent.cancel();
         alpha = Math.min(Math.max(alpha, 0), 1);
         if (alpha == mQuiescentAlpha && alpha == mDrawingAlpha) return;
         mQuiescentAlpha = alpha;
         if (DEBUG) Log.d(TAG, "New quiescent alpha = " + mQuiescentAlpha);
-        if (mBackground != null && animate) {
+        if (animate) {
             mAnimateToQuiescent = animateToQuiescent();
             mAnimateToQuiescent.start();
         } else {
@@ -162,34 +201,79 @@
 
     public void setDrawingAlpha(float x) {
         setImageAlpha((int) (x * 255));
-        if (mBackground != null) {
-            mBackground.setAlpha((int)(x * 255));
-        }
         mDrawingAlpha = x;
     }
 
-    public void setPressed(boolean pressed) {
-        if (mBackground != null) {
-            if (pressed != isPressed()) {
-                if (pressed) {
-                    setDrawingAlpha(1f);
-                } else {
-                    mAnimateToQuiescent.cancel();
-                    mAnimateToQuiescent = animateToQuiescent();
-                    mAnimateToQuiescent.setDuration(500);
-                    mAnimateToQuiescent.start();
-                }
-            }
-        }
-        super.setPressed(pressed);
+    public float getGlowAlpha() {
+        return mGlowAlpha;
     }
 
-    private void setHotspot(float x, float y) {
-        if (mBackground != null) {
-            mBackground.setHotspot(x, y);
+    public void setGlowAlpha(float x) {
+        mGlowAlpha = x;
+        invalidate();
+    }
+
+    public float getGlowScale() {
+        return mGlowScale;
+    }
+
+    public void setGlowScale(float x) {
+        mGlowScale = x;
+        final float w = getWidth();
+        final float h = getHeight();
+        if (GLOW_MAX_SCALE_FACTOR <= 1.0f) {
+            // this only works if we know the glow will never leave our bounds
+            invalidate();
+        } else {
+            final float rx = (w * (GLOW_MAX_SCALE_FACTOR - 1.0f)) / 2.0f + 1.0f;
+            final float ry = (h * (GLOW_MAX_SCALE_FACTOR - 1.0f)) / 2.0f + 1.0f;
+            com.android.systemui.SwipeHelper.invalidateGlobalRegion(
+                    this,
+                    new RectF(getLeft() - rx,
+                              getTop() - ry,
+                              getRight() + rx,
+                              getBottom() + ry));
+
+            // also invalidate our immediate parent to help avoid situations where nearby glows
+            // interfere
+            ((View)getParent()).invalidate();
         }
     }
 
+    public void setPressed(boolean pressed) {
+        if (pressed != isPressed()) {
+            if (mPressedAnim != null && mPressedAnim.isRunning()) {
+                mPressedAnim.cancel();
+            }
+            final AnimatorSet as = mPressedAnim = new AnimatorSet();
+            final ObjectAnimator scaleAnimator = ObjectAnimator.ofFloat(this,
+                    "glowScale", GLOW_MAX_SCALE_FACTOR);
+            scaleAnimator.setInterpolator(mInterpolator);
+            if (pressed) {
+                mGlowScale = 0f;
+                if (mGlowAlpha < mQuiescentAlpha)
+                    mGlowAlpha = mQuiescentAlpha;
+                setDrawingAlpha(1f);
+                as.playTogether(
+                    ObjectAnimator.ofFloat(this, "glowAlpha", 1f),
+                    scaleAnimator
+                );
+                as.setDuration(500);
+            } else {
+                mAnimateToQuiescent.cancel();
+                mAnimateToQuiescent = animateToQuiescent();
+                as.playTogether(
+                    ObjectAnimator.ofFloat(this, "glowAlpha", mGlowAlpha, mGlowAlpha * .2f, 0f),
+                    scaleAnimator,
+                    mAnimateToQuiescent
+                );
+                as.setDuration(500);
+            }
+            as.start();
+        }
+        super.setPressed(pressed);
+    }
+
     public boolean onTouchEvent(MotionEvent ev) {
         final int action = ev.getAction();
         int x, y;
@@ -209,7 +293,6 @@
                     removeCallbacks(mCheckLongPress);
                     postDelayed(mCheckLongPress, ViewConfiguration.getLongPressTimeout());
                 }
-                setHotspot(ev.getX(), ev.getY());
                 break;
             case MotionEvent.ACTION_MOVE:
                 x = (int)ev.getX();
@@ -218,7 +301,6 @@
                         && x < getWidth() + mTouchSlop
                         && y >= -mTouchSlop
                         && y < getHeight() + mTouchSlop);
-                setHotspot(ev.getX(), ev.getY());
                 break;
             case MotionEvent.ACTION_CANCEL:
                 setPressed(false);
@@ -272,6 +354,17 @@
         InputManager.getInstance().injectInputEvent(ev,
                 InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
     }
+
+    /**
+    * Interpolator with a smooth log deceleration
+    */
+    private static final class LogInterpolator implements TimeInterpolator {
+        @Override
+        public float getInterpolation(float input) {
+            return 1 - (float) Math.pow(400, -input * 1.4);
+        }
+    }
+
 }
 
 
diff --git a/services/core/java/com/android/server/NsdService.java b/services/core/java/com/android/server/NsdService.java
index cb1748d..39aa972 100644
--- a/services/core/java/com/android/server/NsdService.java
+++ b/services/core/java/com/android/server/NsdService.java
@@ -716,8 +716,9 @@
             for (String key : txtRecords.keySet()) {
                 try {
                     // TODO: Send encoded TXT record as bytes once NDC/netd supports binary data.
+                    byte[] recordValue = txtRecords.get(key);
                     cmd.appendArg(String.format(Locale.US, "%s=%s", key,
-                            new String(txtRecords.get(key), "UTF_8")));
+                            recordValue != null ? new String(recordValue, "UTF_8") : ""));
                 } catch (UnsupportedEncodingException e) {
                     Slog.e(TAG, "Failed to encode txtRecord " + e);
                 }
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 6ac5612..16b81f9 100755
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -4873,7 +4873,7 @@
         try {
             File tracesDir = tracesFile.getParentFile();
             if (!tracesDir.exists()) {
-                tracesFile.mkdirs();
+                tracesDir.mkdirs();
                 if (!SELinux.restorecon(tracesDir)) {
                     return null;
                 }
@@ -4983,7 +4983,7 @@
             final File tracesTmp = new File(tracesDir, "__tmp__");
             try {
                 if (!tracesDir.exists()) {
-                    tracesFile.mkdirs();
+                    tracesDir.mkdirs();
                     if (!SELinux.restorecon(tracesDir.getPath())) {
                         return;
                     }
diff --git a/services/core/java/com/android/server/am/ActivityStackSupervisor.java b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
index b8261a4..c48adc4 100644
--- a/services/core/java/com/android/server/am/ActivityStackSupervisor.java
+++ b/services/core/java/com/android/server/am/ActivityStackSupervisor.java
@@ -350,6 +350,9 @@
             for (int displayNdx = displays.length - 1; displayNdx >= 0; --displayNdx) {
                 final int displayId = displays[displayNdx].getDisplayId();
                 ActivityDisplay activityDisplay = new ActivityDisplay(displayId);
+                if (activityDisplay.mDisplay == null) {
+                    throw new IllegalStateException("Default Display does not exist");
+                }
                 mActivityDisplays.put(displayId, activityDisplay);
             }
 
@@ -3261,6 +3264,10 @@
             newDisplay = mActivityDisplays.get(displayId) == null;
             if (newDisplay) {
                 ActivityDisplay activityDisplay = new ActivityDisplay(displayId);
+                if (activityDisplay.mDisplay == null) {
+                    Slog.w(TAG, "Display " + displayId + " gone before initialization complete");
+                    return;
+                }
                 mActivityDisplays.put(displayId, activityDisplay);
             }
         }
@@ -3902,8 +3909,14 @@
         ActivityDisplay() {
         }
 
+        // After instantiation, check that mDisplay is not null before using this. The alternative
+        // is for this to throw an exception if mDisplayManager.getDisplay() returns null.
         ActivityDisplay(int displayId) {
-            init(mDisplayManager.getDisplay(displayId));
+            final Display display = mDisplayManager.getDisplay(displayId);
+            if (display == null) {
+                return;
+            }
+            init(display);
         }
 
         void init(Display display) {
diff --git a/services/core/java/com/android/server/input/InputManagerService.java b/services/core/java/com/android/server/input/InputManagerService.java
index 9c567ac..81b579d 100644
--- a/services/core/java/com/android/server/input/InputManagerService.java
+++ b/services/core/java/com/android/server/input/InputManagerService.java
@@ -1387,7 +1387,7 @@
         }
 
         if ((switchMask & SW_CAMERA_LENS_COVER_BIT) != 0) {
-            final boolean lensCovered = ((switchValues & SW_CAMERA_LENS_COVER_BIT) == 0);
+            final boolean lensCovered = ((switchValues & SW_CAMERA_LENS_COVER_BIT) != 0);
             mWindowManagerCallbacks.notifyCameraLensCoverSwitchChanged(whenNanos, lensCovered);
         }
 
diff --git a/services/core/java/com/android/server/tv/TvInputHal.java b/services/core/java/com/android/server/tv/TvInputHal.java
index c7d95aa..558ffb5 100644
--- a/services/core/java/com/android/server/tv/TvInputHal.java
+++ b/services/core/java/com/android/server/tv/TvInputHal.java
@@ -32,8 +32,7 @@
  * Provides access to the low-level TV input hardware abstraction layer.
  */
 final class TvInputHal implements Handler.Callback {
-    // STOPSHIP: Turn debugging off
-    private final static boolean DEBUG = true;
+    private final static boolean DEBUG = false;
     private final static String TAG = TvInputHal.class.getSimpleName();
 
     public final static int SUCCESS = 0;
diff --git a/services/core/java/com/android/server/tv/TvInputManagerService.java b/services/core/java/com/android/server/tv/TvInputManagerService.java
index adae84fd..5bfc834 100644
--- a/services/core/java/com/android/server/tv/TvInputManagerService.java
+++ b/services/core/java/com/android/server/tv/TvInputManagerService.java
@@ -95,8 +95,7 @@
 
 /** This class provides a system service that manages television inputs. */
 public final class TvInputManagerService extends SystemService {
-    // STOPSHIP: Turn debugging off.
-    private static final boolean DEBUG = true;
+    private static final boolean DEBUG = false;
     private static final String TAG = "TvInputManagerService";
 
     private final Context mContext;
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index 1f5be6e..c69a17c 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -20,6 +20,7 @@
 import android.os.Bundle;
 import android.os.RemoteException;
 import android.os.ServiceManager;
+import android.telephony.TelephonyManager;
 import android.util.Log;
 
 import com.android.internal.telecom.ITelecomService;
@@ -661,12 +662,36 @@
                 return getTelecomService().isInCall();
             }
         } catch (RemoteException e) {
-            Log.e(TAG, "RemoteException attempting to get default phone app.", e);
+            Log.e(TAG, "RemoteException calling isInCall().", e);
         }
         return false;
     }
 
     /**
+     * Returns one of the following constants that represents the current state of Telecom:
+     *
+     * {@link TelephonyManager#CALL_STATE_RINGING}
+     * {@link TelephonyManager#CALL_STATE_OFFHOOK}
+     * {@link TelephonyManager#CALL_STATE_IDLE}
+     *
+     * <p>
+     * Requires permission: {@link android.Manifest.permission#READ_PHONE_STATE}
+     * </p>
+     * @hide
+     */
+    @SystemApi
+    public int getCallState() {
+        try {
+            if (isServiceConnected()) {
+                return getTelecomService().getCallState();
+            }
+        } catch (RemoteException e) {
+            Log.d(TAG, "RemoteException calling getCallState().", e);
+        }
+        return TelephonyManager.CALL_STATE_IDLE;
+    }
+
+    /**
      * Returns whether there currently exists is a ringing incoming-call.
      *
      * @hide
diff --git a/telecomm/java/com/android/internal/telecom/ITelecomService.aidl b/telecomm/java/com/android/internal/telecom/ITelecomService.aidl
index 4edce53..4875cc3 100644
--- a/telecomm/java/com/android/internal/telecom/ITelecomService.aidl
+++ b/telecomm/java/com/android/internal/telecom/ITelecomService.aidl
@@ -139,6 +139,11 @@
     boolean isRinging();
 
     /**
+     * @see TelecomServiceImpl#getCallState
+     */
+    int getCallState();
+
+    /**
      * @see TelecomServiceImpl#endCall
      */
     boolean endCall();
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 6e3325b..34b1454 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -2045,7 +2045,11 @@
      * Returns a constant indicating the call state (cellular) on the device.
      */
     public int getCallState() {
-        return getCallState(getDefaultSubscription());
+        try {
+            return getTelecomService().getCallState();
+        } catch (RemoteException | NullPointerException e) {
+            return CALL_STATE_IDLE;
+        }
     }
 
     /**
@@ -2142,7 +2146,7 @@
         return ITelephony.Stub.asInterface(ServiceManager.getService(Context.TELEPHONY_SERVICE));
     }
 
-    private ITelecomService getTelecommService() {
+    private ITelecomService getTelecomService() {
         return ITelecomService.Stub.asInterface(ServiceManager.getService(Context.TELECOM_SERVICE));
     }
 
@@ -3132,7 +3136,7 @@
     @SystemApi
     public void silenceRinger() {
         try {
-            getTelecommService().silenceRinger();
+            getTelecomService().silenceRinger();
         } catch (RemoteException e) {
             Log.e(TAG, "Error calling ITelecomService#silenceRinger", e);
         }
diff --git a/wifi/java/android/net/wifi/WifiConfiguration.java b/wifi/java/android/net/wifi/WifiConfiguration.java
index 9ece434..d27c2f7 100644
--- a/wifi/java/android/net/wifi/WifiConfiguration.java
+++ b/wifi/java/android/net/wifi/WifiConfiguration.java
@@ -382,10 +382,13 @@
 
     /** The Below RSSI thresholds are used to configure AutoJoin
      *  - GOOD/LOW/BAD thresholds are used so as to calculate link score
-     *  - UNWANTED_SOFT are used by the blacklisting logic so as to handle the unwanted network message coming from CS
-     *  - UNBLACKLIST thresholds are used so as to tweak the speed at which the network is unblacklisted (i.e. if
+     *  - UNWANTED_SOFT are used by the blacklisting logic so as to handle
+     *  the unwanted network message coming from CS
+     *  - UNBLACKLIST thresholds are used so as to tweak the speed at which
+     *  the network is unblacklisted (i.e. if
      *          it is seen with good RSSI, it is blacklisted faster)
-     *  - INITIAL_AUTOJOIN_ATTEMPT, used to determine how close from the network we need to be before autojoin kicks in
+     *  - INITIAL_AUTOJOIN_ATTEMPT, used to determine how close from
+     *  the network we need to be before autojoin kicks in
      */
     /** @hide **/
     public static int INVALID_RSSI = -127;