调整了餐盘在不同设备提示

app/src/main/java/com/sw/platecabinet/utils/ThreadUtils.kt

@@ -0,0 +1,124 @@
+package com.sw.platecabinet.utils
+
+import android.os.Handler
+import android.os.Looper
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.util.concurrent.ExecutorService
+import java.util.concurrent.Executors
+import kotlin.coroutines.CoroutineContext
+
+/**
+ * 多功能线程工具类
+ * 结合协程、Handler和线程池实现线程切换
+ */
+object ThreadUtils : CoroutineScope {
+    // 主线程Handler
+    private val mainHandler by lazy { Handler(Looper.getMainLooper()) }
+
+    // 后台线程池(IO密集型任务)
+    private val ioThreadPool: ExecutorService by lazy {
+        Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 2)
+    }
+
+    // CPU密集型线程池
+    private val cpuThreadPool: ExecutorService by lazy {
+        Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors())
+    }
+
+    // 协程Job管理
+    private val job = Job()
+
+    override val coroutineContext: CoroutineContext
+        get() = Dispatchers.Main + job
+
+    // ========== Handler相关方法 ==========
+
+    /**
+     * 在主线程执行任务
+     * @param delayMillis 延迟时间(毫秒)
+     */
+    fun runOnUiThread(delayMillis: Long = 0, block: () -> Unit) {
+        if (delayMillis > 0) {
+            mainHandler.postDelayed(block, delayMillis)
+        } else {
+            if (isOnMainThread()) {
+                block()
+            } else {
+                mainHandler.post(block)
+            }
+        }
+    }
+
+    /**
+     * 移除主线程任务
+     */
+    fun removeUiThreadTask(block: () -> Unit) {
+        mainHandler.removeCallbacks(block)
+    }
+
+    // ========== 线程池相关方法 ==========
+
+    /**
+     * 在IO线程执行任务
+     */
+    fun runOnIoThread(block: () -> Unit) {
+        ioThreadPool.execute(block)
+    }
+
+    /**
+     * 在CPU计算线程执行任务
+     */
+    fun runOnCpuThread(block: () -> Unit) {
+        cpuThreadPool.execute(block)
+    }
+
+    // ========== 协程相关方法 ==========
+
+    /**
+     * 启动协程(默认在主线程)
+     */
+    fun launch(block: suspend CoroutineScope.() -> Unit): Job {
+        return launch(coroutineContext, block = block)
+    }
+
+    /**
+     * 在IO线程启动协程
+     */
+    fun launchOnIo(block: suspend CoroutineScope.() -> Unit): Job {
+        return launch(Dispatchers.IO, block = block)
+    }
+
+    /**
+     * 切换到主线程(协程环境)
+     */
+    suspend fun <T> switchToMain(block: suspend CoroutineScope.() -> T): T {
+        return withContext(Dispatchers.Main, block)
+    }
+
+    /**
+     * 切换到IO线程(协程环境)
+     */
+    suspend fun <T> switchToIo(block: suspend CoroutineScope.() -> T): T {
+        return withContext(Dispatchers.IO, block)
+    }
+
+    /**
+     * 是否在主线程
+     */
+    fun isOnMainThread(): Boolean {
+        return Looper.myLooper() == Looper.getMainLooper()
+    }
+
+    /**
+     * 释放资源
+     */
+    fun release() {
+        job.cancel()
+        ioThreadPool.shutdown()
+        cpuThreadPool.shutdown()
+    }
+}