OmniLib: Introduce OmniRom SDK
* omnilib-res app will be installed to system/frameworks for the futur internal ressources add-on
* OmniLib java_library will be installed to system/frameworks for the futur internal java/aidl add-on
* The OmniPreference android_library need to be moved outside system/frameworks because of some nested dependency breakage
Change-Id: I2b9a7bc7f4aa72052ae6600933eb114d2a481b35
omnilib-res: Add allow-reserved-package-id
Thx to the LineageOS team
https://github.com/LineageOS/android_lineage-sdk/blob/lineage-20.0/Android.bp#L44-L49
Change-Id: I07ba56685981a8735bdef5ea75528ec82dd68318
diff --git a/omnipreference/java/omnirom/ui/AlphaPatternDrawable.java b/omnipreference/java/omnirom/ui/AlphaPatternDrawable.java
new file mode 100644
index 0000000..d91998d
--- /dev/null
+++ b/omnipreference/java/omnirom/ui/AlphaPatternDrawable.java
@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2010 Daniel Nilsson
+ * Copyright (C) 2012 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package omnirom.ui;
+
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.Bitmap.Config;
+import android.graphics.drawable.Drawable;
+
+/**
+ * This drawable that draws a simple white and gray chess board pattern. It's
+ * pattern you will often see as a background behind a partly transparent image
+ * in many applications.
+ *
+ * @author Daniel Nilsson
+ */
+public class AlphaPatternDrawable extends Drawable {
+
+ private int mRectangleSize = 10;
+
+ private Paint mPaint = new Paint();
+ private Paint mPaintWhite = new Paint();
+ private Paint mPaintGray = new Paint();
+
+ private int numRectanglesHorizontal;
+ private int numRectanglesVertical;
+
+ /**
+ * Bitmap in which the pattern will be cached.
+ */
+ private Bitmap mBitmap;
+
+ public AlphaPatternDrawable(int rectangleSize) {
+ mRectangleSize = rectangleSize;
+ mPaintWhite.setColor(0xffffffff);
+ mPaintGray.setColor(0xffcbcbcb);
+ }
+
+ @Override
+ public void draw(Canvas canvas) {
+ if (mBitmap != null) {
+ canvas.drawBitmap(mBitmap, null, getBounds(), mPaint);
+ }
+ }
+
+ @Override
+ public int getOpacity() {
+ return 0;
+ }
+
+ @Override
+ public void setAlpha(int alpha) {
+ throw new UnsupportedOperationException("Alpha is not supported by this drawwable.");
+ }
+
+ @Override
+ public void setColorFilter(ColorFilter cf) {
+ throw new UnsupportedOperationException("ColorFilter is not supported by this drawwable.");
+ }
+
+ @Override
+ protected void onBoundsChange(Rect bounds) {
+ super.onBoundsChange(bounds);
+
+ int height = bounds.height();
+ int width = bounds.width();
+
+ numRectanglesHorizontal = (int) Math.ceil((width / mRectangleSize));
+ numRectanglesVertical = (int) Math.ceil(height / mRectangleSize);
+
+ generatePatternBitmap();
+ }
+
+ /**
+ * This will generate a bitmap with the pattern as big as the rectangle we
+ * were allow to draw on. We do this to cache the bitmap so we don't need
+ * to recreate it each time draw() is called since it takes a few
+ * milliseconds.
+ */
+ private void generatePatternBitmap() {
+
+ if (getBounds().width() <= 0 || getBounds().height() <= 0) {
+ return;
+ }
+
+ mBitmap = Bitmap.createBitmap(getBounds().width(), getBounds().height(), Config.ARGB_8888);
+ Canvas canvas = new Canvas(mBitmap);
+
+ Rect r = new Rect();
+ boolean verticalStartWhite = true;
+ for (int i = 0; i <= numRectanglesVertical; i++) {
+ boolean isWhite = verticalStartWhite;
+ for (int j = 0; j <= numRectanglesHorizontal; j++) {
+ r.top = i * mRectangleSize;
+ r.left = j * mRectangleSize;
+ r.bottom = r.top + mRectangleSize;
+ r.right = r.left + mRectangleSize;
+
+ canvas.drawRect(r, isWhite ? mPaintWhite : mPaintGray);
+
+ isWhite = !isWhite;
+ }
+
+ verticalStartWhite = !verticalStartWhite;
+ }
+ }
+}