commit 6d1e9a1012262b64646c6f765d3d9179c1700cac
author Sunny Goyal <sunnygoyal@google.com> Thu Jul 27 10:21:50 2017 -0700
committer Sunny Goyal <sunnygoyal@google.com> Thu Jul 27 10:26:37 2017 -0700
tree d5c0305f2158a004a0cda56a561e28370689d20e
parent 20d27e513c9a5d8b40c1f9e64c05f5294f280794

Moving GradientView background alpha to resources

Bug: 63072570
Change-Id: Ie982a5a33ece72942ebee79e4eb81f83da7b31c4

res/values/config.xml

diff --git a/res/values/config.xml b/res/values/config.xml
index e9c62a7..e7ec0a0 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -9,6 +9,8 @@
     <bool name="is_large_tablet">false</bool>
     <bool name="allow_rotation">false</bool>
 
+    <integer name="extracted_color_gradient_alpha">191</integer>
+
     <!-- A string pointer to the original app name string. This allows derived projects to
      easily override the app name without providing all translations -->
     <string name="derived_app_name" translatable="false">@string/app_name</string>

src/com/android/launcher3/graphics/GradientView.java

diff --git a/src/com/android/launcher3/graphics/GradientView.java b/src/com/android/launcher3/graphics/GradientView.java
index 678396d..5455b43 100644
--- a/src/com/android/launcher3/graphics/GradientView.java
+++ b/src/com/android/launcher3/graphics/GradientView.java
@@ -27,6 +27,7 @@
 import android.graphics.Shader;
 import android.support.v4.graphics.ColorUtils;
 import android.util.AttributeSet;
+import android.util.DisplayMetrics;
 import android.view.View;
 import android.view.animation.AccelerateInterpolator;
 import android.view.animation.Interpolator;
@@ -46,7 +47,6 @@
     private static final int DEFAULT_COLOR = Color.WHITE;
     private static final int ALPHA_MASK_HEIGHT_DP = 500;
     private static final int ALPHA_MASK_WIDTH_DP = 2;
-    private static final int ALPHA_COLORS = 0xBF;
     private static final boolean DEBUG = false;
 
     private final Bitmap mAlphaGradientMask;
@@ -62,7 +62,7 @@
     private final Paint mPaintNoScrim = new Paint();
     private float mProgress;
     private final int mMaskHeight, mMaskWidth;
-    private final Context mAppContext;
+    private final int mAlphaColors;
     private final Paint mDebugPaint = DEBUG ? new Paint() : null;
     private final Interpolator mAccelerator = new AccelerateInterpolator();
     private final float mAlphaStart;
@@ -71,15 +71,14 @@
 
     public GradientView(Context context, AttributeSet attrs) {
         super(context, attrs);
-        this.mAppContext = context.getApplicationContext();
-        this.mMaskHeight = Utilities.pxFromDp(ALPHA_MASK_HEIGHT_DP,
-                mAppContext.getResources().getDisplayMetrics());
-        this.mMaskWidth = Utilities.pxFromDp(ALPHA_MASK_WIDTH_DP,
-                mAppContext.getResources().getDisplayMetrics());
+        DisplayMetrics dm = getResources().getDisplayMetrics();
+        this.mMaskHeight = Utilities.pxFromDp(ALPHA_MASK_HEIGHT_DP, dm);
+        this.mMaskWidth = Utilities.pxFromDp(ALPHA_MASK_WIDTH_DP, dm);
         Launcher launcher = Launcher.getLauncher(context);
         this.mAlphaStart = launcher.getDeviceProfile().isVerticalBarLayout() ? 0 : 100;
         this.mScrimColor = Themes.getAttrColor(context, R.attr.allAppsScrimColor);
         this.mWallpaperColorInfo = WallpaperColorInfo.getInstance(launcher);
+        mAlphaColors = getResources().getInteger(R.integer.extracted_color_gradient_alpha);
         updateColors();
         mAlphaGradientMask = createDitheredAlphaMask();
     }
@@ -104,9 +103,9 @@
 
     private void updateColors() {
         this.mColor1 = ColorUtils.setAlphaComponent(mWallpaperColorInfo.getMainColor(),
-                ALPHA_COLORS);
+                mAlphaColors);
         this.mColor2 = ColorUtils.setAlphaComponent(mWallpaperColorInfo.getSecondaryColor(),
-                ALPHA_COLORS);
+                mAlphaColors);
         if (mWidth + mHeight > 0) {
             createRadialShader();
         }