添加了副屏显示逻辑控制
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zxj
@@ -0,0 +1,25 @@
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package com.sw.dualscreen.utils
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class Debouncer(private val delayMillis: Long) {
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private var lastActionTime = 0L
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/**
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* 执行防抖操作
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* @param action 要执行的操作
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* @return Boolean 是否执行了操作 (true=已执行, false=被防抖)
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*/
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fun debounce(action: () -> Unit): Boolean {
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val currentTime = System.currentTimeMillis()
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if (currentTime - lastActionTime >= delayMillis) {
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lastActionTime = currentTime
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action()
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return true
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}
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return false
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}
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// 重置防抖计时
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fun reset() {
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lastActionTime = 0L
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}
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}
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@@ -0,0 +1,236 @@
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package com.sw.dualscreen.utils
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import android.content.Context
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import android.graphics.Bitmap
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import android.widget.ImageView
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import androidx.annotation.DrawableRes
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import com.bumptech.glide.Glide
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import com.bumptech.glide.RequestBuilder
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import com.bumptech.glide.load.DataSource
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import com.bumptech.glide.load.engine.DiskCacheStrategy
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import com.bumptech.glide.load.engine.GlideException
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import com.bumptech.glide.load.resource.bitmap.CircleCrop
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import com.bumptech.glide.load.resource.bitmap.RoundedCorners
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import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions
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import com.bumptech.glide.request.RequestListener
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import com.bumptech.glide.request.RequestOptions
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import com.bumptech.glide.request.target.Target
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.launch
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import java.io.File
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/**
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* Glide图片加载工具类
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*/
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object GlideUtils {
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// 默认配置
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private val defaultOptions = RequestOptions()
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.diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
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.skipMemoryCache(false)
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/**
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* 普通加载图片
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* @param context 上下文
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* @param url 图片地址
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* @param imageView 目标ImageView
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* @param placeholderResId 占位图资源ID
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* @param errorResId 错误图资源ID
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*/
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fun loadImage(
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context: Context,
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url: Any?,
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imageView: ImageView,
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@DrawableRes placeholderResId: Int = 0,
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@DrawableRes errorResId: Int = 0
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) {
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val requestBuilder = Glide.with(context)
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.load(url)
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.apply(defaultOptions)
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applyPlaceholder(requestBuilder, placeholderResId, errorResId)
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.transition(DrawableTransitionOptions.withCrossFade())
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.into(imageView)
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}
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/**
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* 加载圆形图片
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* @param context 上下文
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* @param url 图片地址
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* @param imageView 目标ImageView
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* @param placeholderResId 占位图资源ID
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* @param errorResId 错误图资源ID
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*/
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fun loadCircleImage(
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context: Context,
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url: Any?,
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imageView: ImageView,
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@DrawableRes placeholderResId: Int = 0,
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@DrawableRes errorResId: Int = 0
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) {
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val requestBuilder = Glide.with(context)
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.load(url)
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.apply(defaultOptions)
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.transform(CircleCrop())
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applyPlaceholder(requestBuilder, placeholderResId, errorResId)
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.into(imageView)
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}
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/**
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* 加载圆角图片
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* @param context 上下文
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* @param url 图片地址
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* @param imageView 目标ImageView
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* @param radius 圆角半径(px)
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* @param placeholderResId 占位图资源ID
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* @param errorResId 错误图资源ID
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*/
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fun loadRoundCornerImage(
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context: Context,
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url: Any?,
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imageView: ImageView,
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radius: Int,
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@DrawableRes placeholderResId: Int = 0,
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@DrawableRes errorResId: Int = 0
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) {
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val requestBuilder = Glide.with(context)
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.load(url)
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.apply(defaultOptions)
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.transform(RoundedCorners(radius))
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applyPlaceholder(requestBuilder, placeholderResId, errorResId)
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.into(imageView)
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}
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/**
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* 加载图片并获取Bitmap
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* @param context 上下文
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* @param url 图片地址
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* @param callback 加载回调
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*/
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fun loadImageAsBitmap(
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context: Context,
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url: Any?,
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callback: (Bitmap?) -> Unit
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) {
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Glide.with(context)
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.asBitmap()
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.load(url)
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.apply(defaultOptions)
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.addListener(object : RequestListener<Bitmap> {
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override fun onLoadFailed(
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e: GlideException?,
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model: Any?,
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target: Target<Bitmap?>,
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isFirstResource: Boolean
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): Boolean {
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callback(null)
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return false
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}
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override fun onResourceReady(
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resource: Bitmap,
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model: Any,
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target: Target<Bitmap?>?,
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dataSource: DataSource,
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isFirstResource: Boolean
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): Boolean {
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callback(resource)
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return false
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}
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})
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.submit()
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}
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/**
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* 清除内存缓存
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* @param context 上下文
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*/
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fun clearMemoryCache(context: Context) {
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Glide.get(context).clearMemory()
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}
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/**
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* 清除磁盘缓存
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* @param context 上下文
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*/
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fun clearDiskCache(context: Context) {
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CoroutineScope(Dispatchers.IO).launch {
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Glide.get(context).clearDiskCache()
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}
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}
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/**
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* 获取缓存文件
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* @param context 上下文
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* @param url 图片地址
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* @param callback 回调
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*/
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fun getImageCacheFile(
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context: Context,
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url: String,
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callback: (File?) -> Unit
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) {
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Glide.with(context)
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.downloadOnly()
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.load(url)
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.addListener(object : RequestListener<File> {
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override fun onLoadFailed(
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e: GlideException?,
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model: Any?,
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target: Target<File?>,
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isFirstResource: Boolean
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): Boolean {
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callback(null)
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return false
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}
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override fun onResourceReady(
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resource: File,
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model: Any,
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target: Target<File?>?,
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dataSource: DataSource,
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isFirstResource: Boolean
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): Boolean {
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callback(resource)
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return false
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}
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})
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.submit()
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}
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/**
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* 暂停请求
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* @param context 上下文
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*/
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fun pauseRequests(context: Context) {
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Glide.with(context).pauseRequests()
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}
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/**
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* 恢复请求
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* @param context 上下文
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*/
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fun resumeRequests(context: Context) {
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Glide.with(context).resumeRequests()
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}
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// 私有方法：应用占位图和错误图
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private fun <T> applyPlaceholder(
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requestBuilder: RequestBuilder<T>,
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@DrawableRes placeholderResId: Int,
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@DrawableRes errorResId: Int
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): RequestBuilder<T> {
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return requestBuilder.apply {
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if (placeholderResId != 0) {
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placeholder(placeholderResId)
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}
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if (errorResId != 0) {
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error(errorResId)
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}
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}
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}
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}
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