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guideview's Introduction

  • GuideView

  • 本系统能够快速的为一个Activity里的任何一个View控件创建一个遮罩式的导航页,并且可以再高亮区域绘制任何你想要的布局或者lottie动画等炫酷效果

  • 工作原理

  • 首先它需要一个目标View或者它的id,我们通过findViewById来得到这个View,计算它在屏幕上的区域targetRect,通过这个区域,开始绘制一个覆盖整个Activity的遮罩,可以定义遮罩的颜色和透明度,然而目标View被绘制成透明从而实现高亮的效果。接下来是在相对于这个targetRect的区域绘制一些图片或者文字。我们把这样一张图片或者文字抽象成一个Component接口,设置文字或者图片,所有的图片文字都是相对于targetRect来定义的。可以设定额外的x,y偏移量,可以对遮罩系统设置可见状态的发生变化时的监听回调,可以对遮罩系统设置开始和结束时的动画效。

  • 注意:具体用法参见demo,内附详细注释

  • 使用方法

  • 1.添加gradle依赖

    implementation 'com.binioter:guideview:1.0.0'
    
  • 2.编写用于在高亮区域周围展示的component

  •  public class SimpleComponent implements Component {
         
           @Override public View getView(LayoutInflater inflater) {
         
             LinearLayout ll = (LinearLayout) inflater.inflate(R.layout.layer_frends, null);
             ll.setOnClickListener(new View.OnClickListener() {
               @Override public void onClick(View view) {
                 Toast.makeText(view.getContext(), "引导层被点击了", Toast.LENGTH_SHORT).show();
               }
             });
             return ll;
           }
         
           @Override public int getAnchor() {
             return Component.ANCHOR_BOTTOM;
           }
         
           @Override public int getFitPosition() {
             return Component.FIT_END;
           }
         
           @Override public int getXOffset() {
             return 0;
           }
         
           @Override public int getYOffset() {
             return 10;
       }
     }
    
  • 3.展示引导蒙层,并监听蒙层展示、隐藏事件

  •    public void showGuideView() {
          GuideBuilder builder = new GuideBuilder();
          builder.setTargetView(header_imgbtn)
                  .setAlpha(150)
                  .setHighTargetCorner(20)
                  .setHighTargetPadding(10);
          builder.setOnVisibilityChangedListener(new GuideBuilder.OnVisibilityChangedListener() {
            @Override
            public void onShown() {
            }
      
            @Override
            public void onDismiss() {
              showGuideView2();
            }
          });
      
          builder.addComponent(new SimpleComponent());
          guide = builder.createGuide();
          guide.show(SimpleGuideViewActivity.this);
    

License

    Copyright 2016 binIoter

    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.

guideview's People

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guideview's Issues

在多个fragment中遮罩混乱

一个activity中有4个fragment,有两个fragment设置了遮罩,但连续点这四个fragment,另外两个没有设置遮罩的fragment有时也会出现遮罩,求怎么解决

可以自定义提示图片吗?

1565061093(1)
我的设计图提示图片是这样的,跟库里的不一样,设计师坚持要用它的,那么这个提示图片可以自己设置吗?

虚拟导航键显示隐藏导致的bug

Demo也存在的问题:1.虚拟导航键显示隐藏会导致高亮区域无限扩大;2.虚拟导航键显示时打开遮罩,再隐藏虚拟键屏幕底部会有空白。
有大佬解决的吗

MaskView 的onDraw方法中缺少一句话,造成设置遮盖整个activity时,没有效果

在MaskView的ondraw方法里,有一段代码是这样的
if (!mOverlayTarget) {
switch (mStyle) {
case Component.ROUNDRECT:
mEraserCanvas.drawRoundRect(mTargetRect, mCorner, mCorner, mEraser);
break;
case Component.CIRCLE:
mEraserCanvas.drawCircle(mTargetRect.centerX(), mTargetRect.centerY(),
mTargetRect.width() / 2, mEraser);
break;
default:
mEraserCanvas.drawRoundRect(mTargetRect, mCorner, mCorner, mEraser);
break;
}
canvas.drawBitmap(mEraserBitmap, 0, 0, null);
}
}
判读的标志位是我们设置的是否覆盖目标控件,如果设置遮盖的话,那么整个遮罩讲覆盖整个屏幕,但是在我尝试之后发现并没有,出现想要的效果,而是屏幕上失去了遮盖效果。但遮罩用的图片还是会出现的,经过查看,发现在MaskView的onDraw方法中缺少必要的绘制
if (!mOverlayTarget) {
switch (mStyle) {
case Component.ROUNDRECT:
mEraserCanvas.drawRoundRect(mTargetRect, mCorner, mCorner, mEraser);
break;
case Component.CIRCLE:
mEraserCanvas.drawCircle(mTargetRect.centerX(), mTargetRect.centerY(),
mTargetRect.width() / 2, mEraser);
break;
default:
mEraserCanvas.drawRoundRect(mTargetRect, mCorner, mCorner, mEraser);
break;
}
canvas.drawBitmap(mEraserBitmap, 0, 0, null);
}else{
canvas.drawBitmap(mEraserBitmap, 0, 0, null);
}
}
在绘制的if语句后把else加上,这句 canvas.drawBitmap(mEraserBitmap, 0, 0, null);
用来绘制灰色的背景

两个问题

1.对dialog形式的activity的内部控件进行遮罩的时候,遮罩的高亮区域会匹配不上,所以改成了对整个dialog形式的activity进行了遮罩,遮罩效果可以接受,不过在取消遮罩的时候,整个dialog形式的activity会抖动一下。
2.如果我想生成多次遮罩。需要每次多构建GuideBuilder重写onDismiss方法,而且onDismiss接口没有变量帮助我分辨是哪个view产生的遮盖效果,期望大哥你能提供个思路,或者更改一下结构
我自己一直尝试的在回调接口中传入一个view或者activity帮助自己利于抽取接口来实现多个遮罩的产生。
但是一直没有实现,可以的话,希望能得到您的回复

dismiss报错

java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.dispatchConfigurationChanged(android.content.res.Configuration)' on a null object reference at android.view.ViewGroup.dispatchConfigurationChanged(ViewGroup.java:1315) at android.view.ViewGroup.dispatchConfigurationChanged(ViewGroup.java:1315) at android.view.ViewGroup.dispatchConfigurationChanged(ViewGroup.java:1315) at android.view.ViewGroup.dispatchConfigurationChanged(ViewGroup.java:1315) at android.view.ViewGroup.dispatchConfigurationChanged(ViewGroup.java:1315) at android.view.ViewGroup.dispatchConfigurationChanged(ViewGroup.java:1315) at android.view.ViewRootImpl.updateConfiguration(ViewRootImpl.java:3585) at android.view.ViewRootImpl$ViewRootHandler.handleMessage(ViewRootImpl.java:3753) at android.os.Handler.dispatchMessage(Handler.java:105) at android.os.Looper.loop(Looper.java:156) at android.app.ActivityThread.main(ActivityThread.java:6524) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:941) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:831)

在maskview界面

在android 7.0机型<华为8>onMeasure执行次数会比在4.0机型上上2次.会导致
resetOutPath()该方法连续执行,padding重复执行,set高亮位置padding扩大...绘制出来的图案比预想的大很多.

为什么不显示文字

如题,就是高亮区域出来了,但是文字和图片没有显示出来是复制Demo中的

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