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fix the bug of ripple effect in low sdk verson
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boyang committed Jun 22, 2020
1 parent 60bd97d commit 13f4258
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Showing 5 changed files with 239 additions and 127 deletions.
77 changes: 46 additions & 31 deletions libary/src/main/java/support/background/extension/core/BackgroundBuilder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@
*/
@SuppressWarnings("unused")
public class BackgroundBuilder {
private final int defaultDisableColor = Color.parseColor("#DDDDDD");
static final int defaultDisableColor = Color.parseColor("#DDDDDD");

private int strokeWidth;
private int strokeDashWidth;
Expand Down Expand Up @@ -113,44 +113,28 @@ public class BackgroundBuilder {
*/
public Drawable buildDrawable() {
if (background == null) background = new ColorDrawable(Color.TRANSPARENT);
ShadowDrawable targetDrawable = null;
if (backgroundPressedRipple != Color.TRANSPARENT && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
background = createCornerDrawable(background, cornerTlRadius, cornerTrRadius, cornerBlRadius, cornerBrRadius);
setDrawableStroke(background, strokeWidth, strokeDashWidth, strokeDashGap, strokeColor, strokePressedColor, strokeCheckedColor, strokeDisableColor);
if (background instanceof ExtendBitmapDrawable && backgroundDisable instanceof ColorDrawable) {
((ExtendBitmapDrawable) background)
.setBackgroundStateColor(Color.TRANSPARENT, Color.TRANSPARENT, ((ColorDrawable) backgroundDisable).getColor())
.setStateEnable();
}
GradientDrawable mask = new GradientDrawable();
mask.setColor(defaultDisableColor);
mask.setCornerRadii(
new float[]{cornerTlRadius, cornerTlRadius, cornerTrRadius, cornerTrRadius, cornerBrRadius, cornerBrRadius, cornerBlRadius, cornerBlRadius});
mask.setStroke(5, defaultDisableColor);
int disableColor = defaultDisableColor;
int checkedColor = backgroundPressedRipple;
if (backgroundDisable != null && backgroundDisable instanceof ColorDrawable) {
disableColor = ((ColorDrawable) backgroundDisable).getColor();
}
if (backgroundChecked != null && backgroundChecked instanceof ColorDrawable) {
checkedColor = ((ColorDrawable) backgroundChecked).getColor();
}
return new ExtendRippleDrawable(createColorStateList(backgroundPressedRipple, backgroundPressedRipple, checkedColor, disableColor), background, mask)
targetDrawable = new ExtendRippleDrawable.Builder()
.setBackground(background, backgroundPressedRipple, backgroundChecked, backgroundDisable)
.setShadow(shadowColor, shadowRadius, shadowOffsetX, shadowOffsetY)
.setCornerRadius(cornerTlRadius, cornerTrRadius, cornerBlRadius, cornerBrRadius)
.setStrokeWidth(strokeWidth);
.setStroke(strokeWidth, strokeDashWidth, strokeDashGap, strokeColor, strokePressedColor, strokeCheckedColor, strokeDisableColor)
.apply();
}
ExtendStateListDrawable drawable = new ExtendStateListDrawable(background, backgroundPressed, backgroundChecked, backgroundDisable);
drawable.setShadow(shadowColor, shadowRadius, shadowOffsetX, shadowOffsetY)
if (targetDrawable == null) targetDrawable = new ExtendStateListDrawable(background, backgroundPressed, backgroundChecked, backgroundDisable)
.setShadow(shadowColor, shadowRadius, shadowOffsetX, shadowOffsetY)
.setCornerRadius(cornerTlRadius, cornerTrRadius, cornerBlRadius, cornerBrRadius)
.setStroke(strokeWidth, strokeDashWidth, strokeDashGap, strokeColor, strokePressedColor, strokeCheckedColor, strokeDisableColor)
.apply();
if (shadowRadius > 0 && targetViewReference != null && targetViewReference.get() != null) {
drawable.calculateAndSetPaddingForTargetView(targetViewReference.get());
calculateAndSetPaddingForTargetView(targetViewReference.get(), targetDrawable.getShadowPadding());
targetViewReference.clear();
} else if (shadowRadius > 0) {
Log.e("BackgroundBuilder", "the shadow effect is broken, please set target view by invoke BackgroundBuilder.setTargetView()");
}
return drawable;
if (targetDrawable == null) throw new NullPointerException("unknown error!");
return targetDrawable.getDrawable();
}

/**
Expand Down Expand Up @@ -501,26 +485,57 @@ public void run() {
});
}

/**
* if the drawable has shadow or stroke, the view's content region should be fit the drawable's content region
*
* @param drawableShadowPadding left,top,right,bottom
*/
private void calculateAndSetPaddingForTargetView(View targetView, int[] drawableShadowPadding) {
if (targetView == null) return;
int l, r, t, b;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) {
l = targetView.getPaddingStart() != 0 ? targetView.getPaddingStart() : targetView.getPaddingLeft();
} else l = targetView.getPaddingLeft();
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) {
r = targetView.getPaddingEnd() != 0 ? targetView.getPaddingEnd() : targetView.getPaddingRight();
} else r = targetView.getPaddingRight();
t = targetView.getPaddingTop();
b = targetView.getPaddingBottom();
l += drawableShadowPadding[0] + strokeWidth;
t += drawableShadowPadding[1] + strokeWidth;
r += drawableShadowPadding[2] + strokeWidth;
b += drawableShadowPadding[3] + strokeWidth;
targetView.setPadding(l, t, r, b);
}

/**
* create cornerDrawable , can only dispose BitmapDrawable、ColorDrawable、GradientDrawable<br/>
* <em>if src is BitmapDrawable then convert it to ExtendBitmapDrawable; else if is GradientDrawable then convert to ShadowGradientDrawable;</em> <br/>
*/
static Drawable createCornerDrawable(Drawable src, float tlRadius, float trRadius, float blRadius, float brRadius) {
static Drawable createCornerDrawable(Drawable src, float[] radius) {
if (src == null) return null;
if (tlRadius == 0 && trRadius == 0 && blRadius == 0 && brRadius == 0) return src;
if (radius == null || radius.length != 8) return src;
boolean hasRoundCorner = false;
for (float r : radius) {
if (r > 0) {
hasRoundCorner = true;
break;
}
}
if (!hasRoundCorner) return src;
if (src instanceof BitmapDrawable) {
if (!(src instanceof ExtendBitmapDrawable)) {
src = new ExtendBitmapDrawable().loadAttrFrom((BitmapDrawable) src);
}
((ExtendBitmapDrawable) src).setCornerRadius(tlRadius, trRadius, blRadius, brRadius);
((ExtendBitmapDrawable) src).setCornerRadius(radius);
}
if (src instanceof ColorDrawable) {
int color = ((ColorDrawable) src).getColor();
src = new GradientDrawable();
((GradientDrawable) src).setColor(color);
}
if (src instanceof GradientDrawable) {
((GradientDrawable) src).setCornerRadii(new float[]{tlRadius, tlRadius, trRadius, trRadius, brRadius, brRadius, blRadius, blRadius});
((GradientDrawable) src).setCornerRadii(radius);
}
return src;
}
Expand Down
4 changes: 2 additions & 2 deletions libary/src/main/java/support/background/extension/core/ExtendBitmapDrawable.java
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Original file line number Diff line number Diff line change
Expand Up @@ -102,8 +102,8 @@ protected boolean onStateChange(int[] stateSet) {
return super.onStateChange(stateSet);
}

ExtendBitmapDrawable setCornerRadius(float tlRadius, float trRadius, float blRadius, float brRadius) {
this.cornerRadius = new float[]{tlRadius, tlRadius, trRadius, trRadius, brRadius, brRadius, blRadius, blRadius};
ExtendBitmapDrawable setCornerRadius(float[] radius) {
this.cornerRadius = radius;
return this;
}

Expand Down
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