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MDCのBottomAppBarのShadowの実現方法
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HiroYUKI Seto
January 28, 2019
Technology
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970
MDCのBottomAppBarのShadowの実現方法
2019/1/28
potatotips #58
HiroYUKI Seto
January 28, 2019
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Transcript
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#PUUPN"QQ#BS࣮ EdgeTreatment topEdgeTreatment = new BottomAppBarTopEdgeTreatment(…); ShapeAppearanceModel appBarModel = materialShapeDrawable.getShapeAppearanceModel();
appBarModel.setTopEdge(topEdgeTreatment); materialShapeDrawable.setShadowCompatibilityMode( SHADOW_COMPAT_MODE_ALWAYS); … ViewCompat. setBackground(this, materialShapeDrawable);
#PUUPN"QQ#BS5PQ&EHF5SFBUNFOU @Override public void getEdgePath(…) { … shapePath.lineTo(…) shapePath.addArc(…) shapePath.addArc(…)
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.BUFSJBM4IBQF%SBXBCMFESBX MaterialShapeDrawable.drawCompatShadow → EdgeShadowOperation.draw → ShadowCompatOperation.draw → ShadowRenderer.drawCornerShadow / ShadowRenderer.drawEdgeShadow
canvas.drawBitmap(shadowLayer, …)
4IBEPX3FOEFSFSESBX$PSOFS4IBEPX … cornerShadowPaint.setShader( new RadialGradient( …, Shader.TileMode.CLAMP)); … canvas.drawArc( …,
cornerShadowPaint); …
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