Optimized for scrolling app intros or making your CV app. Free and open source.
WoWoViewPager combines animations and viewpager. When you are swiping viewpager, you are also controlling the frames of the animation. Just like rewinding time.
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- Background Color Animation
- TextView Color Animation
- Shape Color Animation
- State-List Color Animation
- Layer-List Color Animation
Just add the "compile 'com.nightonke:wowoviewpager:1.0.2'" in your build.gradle of your module.
dependencies { ... compile 'com.nightonke:wowoviewpager:1.0.2' ... } - Thanks SCViewPager for giving me inspiration for codes.
- Thanks JazzHands for giving me inspiration for animations.
- Thanks konmik for providing a better HSV-animation for version 1.0.2.
- I'll add more animations for WoWoViewPager.
There is a demo for the current animations that WoWoViewPager supports. And there are App intros example and CV example(the above gifs) in the demo.
Or by link:
WoWo V1.0.2 in Github
WoWo V1.0.2 in Fir
You can try every animation and ease type that WoWoViewPager supports.
Translation animation helps to move a view.
/** * * @param page The translation animation will start from page(0, 1, ..., adapter.getCount() - 1) * @param startOffset The translation animation will start from this offset([0, 1]) when swiping from page to page + 1 * @param endOffset The translation animation will end with this offset([0, 1]) when swiping from page to page + 1 * @param fromX The starting horizontal position of this view relative to its left position, in pixels * @param fromY The starting vertical position of this view relative to its top position, in pixels * @param targetX The ending horizontal position of this view relative to its left position, in pixels * @param targetY The ending vertical position of this view relative to its top position, in pixels * @param easeType Ease type, please check the ease type section * @param useSameEaseTypeBack Whether use the same ease type to back */ ViewAnimation animation = new ViewAnimation(findViewById(R.id.test)); animation.addPageAnimaition(new WoWoTranslationAnimation( 0, 0f, 1f, findViewById(R.id.test).getTranslationX(), findViewById(R.id.test).getTranslationY(), -screenW / 2 + WoWoUtil.dp2px(40, this), -screenH / 2 + WoWoUtil.dp2px(40, this), easeType, useSameEaseTypeBack)); animation.addPageAnimaition(new WoWoTranslationAnimation( 1, 0f, 1f, -screenW / 2 + WoWoUtil.dp2px(40, this), -screenH / 2 + WoWoUtil.dp2px(40, this), screenW - WoWoUtil.dp2px(80, this), screenH - WoWoUtil.dp2px(80, this), easeType, useSameEaseTypeBack)); wowoViewPager.addAnimation(animation);As you can see, the code above helps to make part of effect in the above gif(from page 1 to page 3, 2 translation animations totally). For more codes about the animation, please check the code.
Scale animation helps to scale a view.
/** * * @param page The scale animation will start from page(0, 1, ..., adapter.getCount() - 1) * @param startOffset The scale animation will start from this offset([0, 1]) when swiping from page to page + 1 * @param endOffset The scale animation will end with this offset([0, 1]) when swiping from page to page + 1 * @param targetScaleX Target scale x = target x / original y * @param targetScaleY Target scale y = target y / original y * @param easeType Ease type, please check the ease type section * @param useSameEaseTypeBack Whether use the same ease type to back */ ViewAnimation animation = new ViewAnimation(findViewById(R.id.test)); animation.addPageAnimaition(new WoWoScaleAnimation( 3, 0f, 0.5f, 2f, 1f, easeType, useSameEaseTypeBack)); animation.addPageAnimaition(new WoWoScaleAnimation( 3, 0.5f, 1f, 1f, 2f, easeType, useSameEaseTypeBack)); wowoViewPager.addAnimation(animation);You can combine several animations to create a complex animation. For example, you can create 2 translation animations to make a polyline. Let's see the code above. From offset 0 to offset 0.5 starting from page 3, the width of the view doubles. And then, the height of the view doubles from offset 0.5 to offset 1. For more codes about the animation, please check the code.
Alpha animation helps to change the opacity of the view, making fading or appearing effects.
/** * * @param page The alpha animation will start from page(0, 1, ..., adapter.getCount() - 1) * @param startOffset The alpha animation will start from this offset([0, 1]) when swiping from page to page + 1 * @param endOffset The alpha animation will end with this offset([0, 1]) when swiping from page to page + 1 * @param fromAlpha Original alpha * @param targetAlpha Target alpha * @param easeType Ease type, please check the ease type section * @param useSameEaseTypeBack Whether use the same ease type to back */ ViewAnimation animation = new ViewAnimation(findViewById(R.id.test)); animation.addPageAnimaition(new WoWoAlphaAnimation( 3, 0f, 0.5f, 1, 0.3f, easeType, useSameEaseTypeBack)); animation.addPageAnimaition(new WoWoAlphaAnimation( 3, 0.5f, 1f, 0.3f, 1f, easeType, useSameEaseTypeBack)); wowoViewPager.addAnimation(animation);That's quite easy to understand. For more codes about the animation, please check the code.
Rotation animation helps to rotate a view.
/** * * @param page The alpha animation will start from page(0, 1, ..., adapter.getCount() - 1) * @param startOffset The alpha animation will start from this offset([0, 1]) when swiping from page to page + 1 * @param endOffset The alpha animation will end with this offset([0, 1]) when swiping from page to page + 1 * _ _ _ _ _ _ _ * /| x * / | * / |y * / | * /z | * / | * * @param pivotX The x value of the pivot of this rotation animation * @param pivotY The y value of the pivot of this rotation animation * @param targetX The target degree on x axis * @param targetY The target degree on y axis * @param targetZ The target degree on z axis * @param easeType Ease type, please check the ease type section * @param useSameEaseTypeBack Whether use the same ease type to back */ ViewAnimation animation = new ViewAnimation(findViewById(R.id.test)); animation.addPageAnimaition(new WoWoRotationAnimation( 0, 0f, 1f, pivotX, pivotY, 0, 0, 180, easeType, useSameEaseTypeBack)); wowoViewPager.addAnimation(animation);The code above will cause the view upside down. Notice that in the above gif, the pivot of the 2 textview are different. For more codes about the animation, please check the code.
TextView size animation helps to change the font size of textview.
/** * * @param page The textview size animation will start from page(0, 1, ..., adapter.getCount() - 1) * @param startOffset The textview size animation will start from this offset([0, 1]) when swiping from page to page + 1 * @param endOffset The textview size animation will end with this offset([0, 1]) when swiping from page to page + 1 * @param fromSize Original text size in sp * @param targetSize Target text size in sp * @param easeType Ease type, please check the ease type section * @param useSameEaseTypeBack Whether use the same ease type to back */ ViewAnimation animation = new ViewAnimation(findViewById(R.id.test)); animation.addPageAnimaition(new WoWoTextViewSizeAnimation( 0, 0f, 1f, 50, 20, easeType, useSameEaseTypeBack)); animation.addPageAnimaition(new WoWoTextViewSizeAnimation( 1, 0f, 1f, 20, 60, easeType, useSameEaseTypeBack)); wowoViewPager.addAnimation(animation);For more codes about the animation, please check the code.
Background color animation helps to change the color of background.
/** * * @param page The background color animation will start from page(0, 1, ..., adapter.getCount() - 1) * @param startOffset The background color animation will start from this offset([0, 1]) when swiping from page to page + 1 * @param endOffset The background color animation will end with this offset([0, 1]) when swiping from page to page + 1 * @param fromColor Original color * @param targetColor Target color * @param colorChangeType How to change the color. For more information, please check the ColorChangeType.class * @param easeType Ease type, please check the ease type section * @param useSameEaseTypeBack Whether use the same ease type to back */ ViewAnimation animation = new ViewAnimation(findViewById(R.id.test)); animation.addPageAnimaition(new WoWoBackgroundColorAnimation( 0, 0f, 1f, Color.parseColor("#ff0000"), Color.parseColor("#00ff00"), colorChangeType, easeType, useSameEaseTypeBack)); wowoViewPager.addAnimation(animation);Notice that background color animation can only do its job when the view has the setBackgroundColor() method. For more codes about the animation, please check the code.
What is colorChangeType?
TextView color animation helps to change the font color of textview only.
/** * * @param page The textview color animation will start from page(0, 1, ..., adapter.getCount() - 1) * @param startOffset The textview color animation will start from this offset([0, 1]) when swiping from page to page + 1 * @param endOffset The textview color animation will end with this offset([0, 1]) when swiping from page to page + 1 * @param fromColor Original color * @param targetColor Target color * @param colorChangeType How to change the color. For more information, please check the ColorChangeType.class * @param easeType Ease type, please check the ease type section * @param useSameEaseTypeBack Whether use the same ease type to back */ ViewAnimation animation = new ViewAnimation(findViewById(R.id.test)); animation.addPageAnimaition(new WoWoTextViewColorAnimation( 0, 0f, 1f, Color.parseColor("#ff0000"), Color.parseColor("#00ff00"), colorChangeType, easeType, useSameEaseTypeBack)); wowoViewPager.addAnimation(animation);Notice that textview color animation can only do its job when the view is textview. For more codes about the animation, please check the code.
What is colorChangeType?
Shape color animation helps to change the shape-drawable background color of view.
/** * * @param page The shape-drawable color animation will start from page(0, 1, ..., adapter.getCount() - 1) * @param startOffset The shape-drawable color animation will start from this offset([0, 1]) when swiping from page to page + 1 * @param endOffset The shape-drawable color animation will end with this offset([0, 1]) when swiping from page to page + 1 * @param fromColor Original color * @param targetColor Target color * @param colorChangeType How to change the color. For more information, please check the ColorChangeType.class * @param easeType Ease type, please check the ease type section * @param useSameEaseTypeBack Whether use the same ease type to back */ ViewAnimation animation = new ViewAnimation(findViewById(R.id.test)); animation.addPageAnimaition(new WoWoShapeColorAnimation( 0, 0f, 1f, Color.parseColor("#ff0000"), Color.parseColor("#00ff00"), colorChangeType, easeType, useSameEaseTypeBack)); wowoViewPager.addAnimation(animation);Notice that shape-drawable color animation can only do its job when the background of view is shape-drawable.
Like this:
<?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval" > <solid android:color="@color/red"/> </shape>For more codes about the animation, please check the code.
What is colorChangeType?
State-List color animation helps to change the state-list-drawable background color of view.
/** * * @param page The state-list-drawable color animation will start from page(0, 1, ..., adapter.getCount() - 1) * @param startOffset The state-list-drawable color animation will start from this offset([0, 1]) when swiping from page to page + 1 * @param endOffset The state-list-drawable color animation will end with this offset([0, 1]) when swiping from page to page + 1 * @param fromColor Original colors, corresponding to the items in xml * @param targetColor Target colors, corresponding to the items in xml * @param colorChangeType How to change the color. For more information, please check the ColorChangeType.class * @param easeType Ease type, please check the ease type section * @param useSameEaseTypeBack Whether use the same ease type to back */ ViewAnimation animation = new ViewAnimation(findViewById(R.id.test)); animation.addPageAnimaition(new WoWoStateListColorAnimation( 0, 0f, 1f, new int[]{Color.parseColor("#ff0000"), Color.parseColor("#ff0000"), Color.parseColor("#ff0000")}, new int[]{Color.parseColor("#00ff00"), Color.parseColor("#00ff00"), Color.parseColor("#00ff00")}, colorChangeType, easeType, useSameEaseTypeBack)); wowoViewPager.addAnimation(animation);And the corresponding drawable is:
<?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android" > <item android:state_pressed="true" > <shape android:shape="rectangle" > <corners android:radius="10dp" /> <solid android:color="@color/red" /> </shape> </item> <item android:state_focused="true"> <shape android:shape="rectangle" > <corners android:radius="2dp" /> <solid android:color="@color/red"/> </shape> </item> <item > <shape android:shape="rectangle" > <corners android:radius="2dp" /> <solid android:color="@color/red"/> </shape> </item> </selector>Notice that state-list-drawable color animation can only do its job when the background of view is state-list-drawable. For more codes about the animation, please check the code.
What is colorChangeType?
Layer-List color animation helps to change the layer-list-drawable background color of view.
/** * * @param page The layer-list-drawable color animation will start from page(0, 1, ..., adapter.getCount() - 1) * @param startOffset The layer-list-drawable color animation will start from this offset([0, 1]) when swiping from page to page + 1 * @param endOffset The layer-list-drawable color animation will end with this offset([0, 1]) when swiping from page to page + 1 * @param fromColor Original colors, corresponding to the items in xml * @param targetColor Target colors, corresponding to the items in xml * @param colorChangeType How to change the color. For more information, please check the ColorChangeType.class * @param easeType Ease type, please check the ease type section * @param useSameEaseTypeBack Whether use the same ease type to back */ ViewAnimation animation = new ViewAnimation(findViewById(R.id.test)); animation.addPageAnimaition(new WoWoLayerListColorAnimation( 0, 0f, 1f, new int[]{ Color.parseColor("#000000"), Color.parseColor("#ff0000"), Color.parseColor("#00ff00"), Color.parseColor("#00ff00"), Color.parseColor("#ff0000")}, new int[]{ Color.parseColor("#0000ff"), Color.parseColor("#00ff00"), Color.parseColor("#ff0000"), Color.parseColor("#ff0000"), Color.parseColor("#00ff00")}, colorChangeType, easeType, useSameEaseTypeBack)); wowoViewPager.addAnimation(animation);And the corresponding drawable is:
<?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@+id/item1" android:top="0dp" android:left="0dp" android:bottom="0dp" android:right="0dp"> <shape android:shape="rectangle"> <size android:width="200dp" android:height="200dp"/> <solid android:color="@color/black"/> </shape> </item> <item android:id="@+id/item2" android:top="20dp" android:left="20dp" android:bottom="100dp" android:right="100dp"> <shape android:shape="rectangle"> <size android:width="80dp" android:height="80dp"/> <solid android:color="@color/red"/> </shape> </item> <item android:id="@+id/item3" android:top="20dp" android:left="100dp" android:bottom="100dp" android:right="20dp"> <shape android:shape="rectangle"> <size android:width="80dp" android:height="80dp"/> <solid android:color="@color/green"/> </shape> </item> <item android:id="@+id/item4" android:top="100dp" android:left="20dp" android:bottom="20dp" android:right="100dp"> <shape android:shape="rectangle"> <size android:width="80dp" android:height="80dp"/> <solid android:color="@color/green"/> </shape> </item> <item android:id="@+id/item5" android:top="100dp" android:left="100dp" android:bottom="20dp" android:right="20dp"> <shape android:shape="rectangle"> <size android:width="80dp" android:height="80dp"/> <solid android:color="@color/red"/> </shape> </item> </layer-list>Notice that layer-list-drawable color animation can only do its job when the background of view is layer-list-drawable. For more codes about the animation, please check the code.
What is colorChangeType?
Path animation helps to draw a path. And you can add an image to the head of the path like this:
All you need to do is:
<com.nightonke.wowoviewpager.WoWoPathView android:id="@+id/pathview" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@android:color/transparent" app:pathColor="@color/white" app:pathWidth="5" app:headImageId="@drawable/airplane" app:headImageWidth="240" />You can set the attributes in xml:
| Attribute | Describe | Type |
|---|---|---|
| app:pathColor | color of the path | resource of color |
| app:pathWidth | width of the path | float |
| app:headImageId | image of the head | resource of image |
| app:headImageWidth | width of the head | float |
| app:headImageHeight | height of the head | float |
To create a path, you must know something about Path.
I suggest you use the [cubicTo](http://developer.android.com/intl/zh-cn/reference/android/graphics/Path.html#cubicTo(float, float, float, float, float, float)) function to draw a curve and [lineTo](http://developer.android.com/intl/zh-cn/reference/android/graphics/Path.html#lineTo(float, float)) function to draw a line.
You can use these websites to get the 6 parameters of the cubicTo function:
Canvature
BezierTool
As the above gif shows, there are only 3 curves to combine this path:
WoWoPathView pathView = (WoWoPathView)findViewById(R.id.pathview); ViewGroup.LayoutParams layoutParams = pathView.getLayoutParams(); layoutParams.height = screenH; // set the pathView a little wider, // then the airplane can hide layoutParams.width = screenW + 200; pathView.setLayoutParams(layoutParams); // use this to adjust the path int xoff = -300; int yoff = screenH - 616 - 300; float xScale = 1.5f; float yScale = 1; Path path = new Path(); path.moveTo(xScale * (565 + xoff), screenH + yoff); path.cubicTo( xScale * (509 + xoff), yScale * (385 + yoff), xScale * (144 + xoff), yScale * (272 + yoff), xScale * (394 + xoff), yScale * (144 + yoff)); path.cubicTo( xScale * (477 + xoff), yScale * (99 + yoff), xScale * (596 + xoff), yScale * (91 + yoff), xScale * (697 + xoff), yScale * (128 + yoff)); path.cubicTo( xScale * (850 + xoff), yScale * (189 + yoff), xScale * (803 + xoff), yScale * (324 + yoff), xScale * (66 + xoff), yScale * (307 + yoff)); // set the path to pathView pathView.setPath(path); ViewAnimation animation = new ViewAnimation(pathView); animation.addPageAnimaition(new WoWoPathAnimation( 0, 0f, 1f, easeType, useSameEaseTypeBack)); wowo.addAnimation(animation);To make the animations more lifesome, you can choose different ease type to play the animations.
Of course you can use linear function. You can find all the ease enums here.
All the color changing animation has 2 types, RGB and HSV(Hue [0 .. 360), Saturation [0...1] and Value [0...1] If hsv values are out of range, they are pinned). The HSV changing type may looks more comfortable in nature. For instance, to change red to green, in HSV, it will be red->yellow->green. In RGB, it will be red->some color between red and green->green. But usually the RGB changing type is the good one. Because HSV sometimes looks strange(my opinion). You can see the performance of these 2 types in the gif of Background Color Animation.
First version for 11 animations.
A better HSV-animation.
- Try to add more animations.
- Auto-Create path.
Copyright 2016 Nightonke 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.