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All Apps transition with gradient and scrim.

Browse Source 
The transition is behind a feature flag and
turned off by default.

Change-Id: I155840ba82b5a573d874376797db5f739a52d706
This commit is contained in:
Mario Bertschler
2017-01-30 17:05:24 -08:00
parent 2526ba8215
commit 48198d004a
15 changed files with 400 additions and 10 deletions
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25
src/com/android/launcher3/Utilities.java
View File

@@ -28,6 +28,7 @@ import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
@@ -645,4 +646,28 @@ public final class Utilities {
hashSet.add(elem);
return hashSet;
}
/**
* @return creates a new alpha mask bitmap out of an existing bitmap
*/
public static Bitmap convertToAlphaMask(Bitmap b, float applyAlpha) {
Bitmap a = Bitmap.createBitmap(b.getWidth(), b.getHeight(), Bitmap.Config.ALPHA_8);
Canvas c = new Canvas(a);
Paint paint = new Paint();
paint.setAlpha((int) (255f * applyAlpha));
c.drawBitmap(b, 0f, 0f, paint);
return a;
}
/**
* @return a new white 1x1 bitmap with ALPHA_8
*/
public static Bitmap createOnePixBitmap() {
Bitmap a = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);
Canvas c = new Canvas(a);
Paint paint = new Paint();
paint.setColor(Color.WHITE);
c.drawPaint(paint);
return a;
}
}