Fix a lot of easy lint issues

Change-Id: I80b43dae137cbbb912ec0fcc4e401de16a9b44a1
diff --git a/src/com/android/launcher2/AppsCustomizeTabHost.java b/src/com/android/launcher2/AppsCustomizeTabHost.java
index 152b215..7108c9f 100644
--- a/src/com/android/launcher2/AppsCustomizeTabHost.java
+++ b/src/com/android/launcher2/AppsCustomizeTabHost.java
@@ -55,10 +55,17 @@
     private boolean mInTransition;
     private boolean mTransitioningToWorkspace;
     private boolean mResetAfterTransition;
+    private Runnable mRelayoutAndMakeVisible;
 
     public AppsCustomizeTabHost(Context context, AttributeSet attrs) {
         super(context, attrs);
         mLayoutInflater = LayoutInflater.from(context);
+        mRelayoutAndMakeVisible = new Runnable() {
+                public void run() {
+                    mTabs.requestLayout();
+                    mTabsContainer.setAlpha(1f);
+                }
+            };
     }
 
     /**
@@ -144,12 +151,7 @@
             if (contentWidth > 0 && mTabs.getLayoutParams().width != contentWidth) {
                 // Set the width and show the tab bar
                 mTabs.getLayoutParams().width = contentWidth;
-                post(new Runnable() {
-                    public void run() {
-                        mTabs.requestLayout();
-                        mTabsContainer.setAlpha(1f);
-                    }
-                });
+                post(mRelayoutAndMakeVisible);
             }
         }
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
diff --git a/src/com/android/launcher2/DragView.java b/src/com/android/launcher2/DragView.java
index 017d154..c3c274e 100644
--- a/src/com/android/launcher2/DragView.java
+++ b/src/com/android/launcher2/DragView.java
@@ -110,6 +110,7 @@
         // Force a measure, because Workspace uses getMeasuredHeight() before the layout pass
         int ms = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED);
         measure(ms, ms);
+        mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
     }
 
     public float getOffsetY() {
@@ -162,9 +163,6 @@
             p.setColor(0xaaffffff);
             canvas.drawRect(0, 0, getWidth(), getHeight(), p);
         }
-        if (mPaint == null) {
-            mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
-        }
 
         mHasDrawn = true;
         boolean crossFade = mCrossFadeProgress > 0 && mCrossFadeBitmap != null;
@@ -203,6 +201,9 @@
 
     public void setPaint(Paint paint) {
         mPaint = paint;
+        if (mPaint == null) {
+            mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
+        }
         invalidate();
     }
 
@@ -213,9 +214,6 @@
     @Override
     public void setAlpha(float alpha) {
         super.setAlpha(alpha);
-        if (mPaint == null) {
-            mPaint = new Paint(Paint.FILTER_BITMAP_FLAG);
-        }
         mPaint.setAlpha((int) (255 * alpha));
         invalidate();
     }