# BullsEyeView

**Repository Path**: zp000123/BullsEyeView

## Basic Information

- **Project Name**: BullsEyeView
- **Description**: No description available
- **Primary Language**: Android
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-02-05
- **Last Updated**: 2020-12-19

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# BullsEyeView

#### 介绍
 自定义View

 ![输入图片说明](https://images.gitee.com/uploads/images/2020/0205/104733_165b9847_559965.jpeg "微信图片_20200205104647.jpg")

 

#### 主要代码
 
 
```koltin
  /**
   * 用于测量宽度和高度的辅助方法
   */
  private fun getMeasurement(measureSpec: Int, contentSize: Int): Int {
      val specSize = MeasureSpec.getSize(measureSpec)
      when (MeasureSpec.getMode(measureSpec)) {
          MeasureSpec.AT_MOST -> {
              return specSize.coerceAtMost(contentSize)
          }
          MeasureSpec.EXACTLY -> {
              return specSize
          }
          MeasureSpec.UNSPECIFIED -> {
              return contentSize
          }
      }
      return 0
  }
```

xml 布局

```
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fillViewport="true"
    tools:context=".MainActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:orientation="vertical"
        android:layout_height="wrap_content">
        <com.androidrecipes.customwidgets.BullsEyeView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
        <com.androidrecipes.customwidgets.BullsEyeView
            android:layout_width="match_parent"
            android:layout_weight="1"
            android:layout_height="0dp" />

        <com.androidrecipes.customwidgets.BullsEyeView
            android:layout_width="300dp"
            android:layout_height="300dp" />
    </LinearLayout>

</ScrollView>
```