package com.focus.mimilive.widget.imggroup
import android.content.Context
import android.util.AttributeSet
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import com.qingshu520.common.utils.dp
/**
*
* @author: est7
* @date: 2022/11/7
*/
class HorizontalImgGroup @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyleAttr: Int = 0
) : ViewGroup(context, attrs, defStyleAttr) {
/**
* 头像的半径
*/
private val mRadius = 50.dp
/**
* 头像间的距离百分比
*/
private var mBasis = 0.7
/**
* 最大头像数目
*/
private var mMaxCount = 10
init {
//获取属性值,这里就不管这些了直接写死了
//val attrsSet = context.obtainStyledAttributes(attrs, R.styleable.HorizontalImgGroup)
//attrsSet.recycle()
}
override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
val heiMeasure = MeasureSpec.getSize(heightMeasureSpec)
val widMeasure = MeasureSpec.getSize(widthMeasureSpec)
val heiMode = MeasureSpec.getMode(heightMeasureSpec)
val widMode = MeasureSpec.getMode(widthMeasureSpec)
var wid = 0
var hei = 0
for (i in 0 until childCount) {
val child: View = getChildAt(i)
val lp: LayoutParams = child.layoutParams
lp.width = 2 * mRadius
lp.height = lp.width
child.setLayoutParams(lp)
measureChild(child, widthMeasureSpec, heightMeasureSpec)
val childWidth: Int = child.measuredWidth
val childHeight: Int = child.measuredHeight
if (i < mMaxCount) {
// 计算宽度
//一个的时候全宽，
//n个的时候1 + mBasis *(count-1)
wid = if (i == 0) {
wid + childWidth
} else {
(wid + childWidth * mBasis).toInt()
}
}
hei = Math.max(hei, childHeight)
}
//如果是exactly使用测量宽和高，否则使用自己设置的宽和高
setMeasuredDimension(
if (widMode == MeasureSpec.EXACTLY) widMeasure else wid,
if (heiMode == MeasureSpec.EXACTLY) heiMeasure else hei
)
}
override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) {
var left = 0
val top = 0
var right = 0
val bottom = 0
//倒着摆放才能把第一个放最上面
for (i in 0 until childCount) {
var child = getChildAt(childCount - i - 1)
val childWidth = child.measuredWidth
val childHeight = child.measuredHeight
right = if (i == 0) {
right + childWidth
} else {
(right + childWidth * mBasis).toInt()
}
child.layout(left, top,right,childHeight)
//left坐标更新
left = (left + childWidth * mBasis).toInt()
}
}
}
package com.focus.mimilive.widget.imggroup
import android.content.Context
import android.util.AttributeSet
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import com.poppo.exolibrary.util.L
import com.qingshu520.common.utils.dp
import kotlin.text.Typography.half
/**
*
* @author: est7
* @date: 2022/11/7
*/
class HorizontalImgGroup @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyleAttr: Int = 0
) : ViewGroup(context, attrs, defStyleAttr) {
/**
* 头像间的距离百分比
*/
private var mBasis = 0.7
/**
* 最大头像数目
*/
private var mMaxCount = 10
init {
//获取属性值,这里就不管这些了直接写死了
//val attrsSet = context.obtainStyledAttributes(attrs, R.styleable.HorizontalImgGroup)
//attrsSet.recycle()
}
override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
val heiMeasure = MeasureSpec.getSize(heightMeasureSpec)
val widMeasure = MeasureSpec.getSize(widthMeasureSpec)
val heiMode = MeasureSpec.getMode(heightMeasureSpec)
val widMode = MeasureSpec.getMode(widthMeasureSpec)
var wid = 0
var hei = 0
for (i in 0 until childCount) {
val child: View = getChildAt(i)
val lp: LayoutParams = child.layoutParams
val min = lp.height.coerceAtMost(lp.width)
lp.width = min
lp.height = min
child.layoutParams = lp
measureChild(child, widthMeasureSpec, heightMeasureSpec)
val childWidth: Int = child.measuredWidth
val childHeight: Int = child.measuredHeight
if (i < mMaxCount) {
// 计算宽度
//一个的时候全宽，
//n个的时候1 + mBasis *(count-1)
wid = if (i == 0) {
wid + childWidth
} else {
(wid + childWidth * mBasis).toInt()
}
}
hei = Math.max(hei, childHeight)
}
//如果是exactly使用测量宽和高，否则使用自己设置的宽和高
setMeasuredDimension(
if (widMode == MeasureSpec.EXACTLY) widMeasure else wid,
if (heiMode == MeasureSpec.EXACTLY) heiMeasure else hei
)
}
override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) {
var left = 0
var top = 0
var right = 0
var bottom = 0
var renderCount = childCount.takeIf { it < mMaxCount } ?: mMaxCount
for (i in 0 until renderCount) {
var child = getChildAt(i)
val childWidth = child.measuredWidth
val childHeight = child.measuredHeight
right = if (i == 0) {
right + childWidth
} else {
(right + childWidth * mBasis).toInt()
}
//设置层级
if (i < renderCount / 2) {
child.z = i.toFloat() //1,2
} else {
child.z = renderCount - i.toFloat() - 1
}
child.layout(left, top, right, childHeight)
left = (left + childWidth * mBasis).toInt()
}
}
}
<HorizontalImgGroup
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<TextView
android:layout_width="50dp"
android:layout_height="50dp"
android:background="@color/green_point"
android:text="1111">
</TextView>
<TextView
android:layout_width="50dp"
android:layout_height="50dp"
android:background="@color/red"
android:text="1111">
</TextView>
<TextView
android:layout_width="80dp"
android:layout_height="80dp"
android:background="@color/yellow_1"
android:text="1111">
</TextView>
<TextView
android:layout_width="50dp"
android:layout_height="50dp"
android:background="@color/green_point"
android:text="1111">
</TextView>
<TextView
android:layout_width="100dp"
android:layout_height="1000dp"
android:background="@color/red"
android:text="1111">
</TextView>
</HorizontalImgGroup>
