ScratchView

This is a android custom view , like a scratch card effect!

Last Update

• 采纳DearZack童鞋的优化思路，把计算擦除面积比例的操作放在手指离开屏幕时，以降低对CPU的占用。

Articles

• ScratchView：一步步打造万能的 Android 刮奖效果控件

Demo screen

Import

Gradle

dependencies {
    compile 'com.clock.scratch:Scratch:1.0.0'
}

Maven

<dependency>
  <groupId>com.clock.scratch</groupId>
  <artifactId>Scratch</artifactId>
  <version>1.0.0</version>
  <type>pom</type>
</dependency>

How to use

• Create a contains of content view and ScratchView FrameLayout，let ScratchView displayed in the top.

	 <FrameLayout
        android:layout_width="200dp"
        android:layout_height="200dp"
        android:layout_gravity="center_horizontal"
        android:layout_marginTop="8dp">

		<!-- content view -->
        <ImageView
            android:layout_width="150dp"
            android:layout_height="150dp"
            android:layout_gravity="center"
            android:src="@mipmap/lufy" />

		<!-- scratch view -->
        <com.clock.scratch.ScratchView
            android:id="@+id/scratch_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />
    </FrameLayout>

• Key Properties and Java API

Properties	Java API
scratch:maskColor	setMaskColor(int color)
scratch:watermark	setWatermark(int resId)
scratch:eraseSize	setEraserSize(float eraserSize)
scratch:maxPercent	setMaxPercent(int max)

More use , you need see the demo code...

License

Copyright 2016 D_clock爱吃葱花

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.