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foudations/mogo-utils/src/main/java/com/mogo/utils/WorkThreadHandler.java

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+package com.mogo.utils;
+
+import android.os.Handler;
+import android.os.HandlerThread;
+
+/**
+ * @author congtaowang
+ * @since 2020-03-23
+ * <p>
+ * 描述
+ */
+public class WorkThreadHandler {
+
+    private Handler mHandler;
+    private HandlerThread mThread;
+
+    private WorkThreadHandler() {
+        // private constructor
+        mThread = new HandlerThread( "work-thread-handler" );
+        mThread.start();
+        mHandler = new Handler( mThread.getLooper() );
+    }
+
+    private static final class InstanceHolder {
+        private static final WorkThreadHandler INSTANCE = new WorkThreadHandler();
+    }
+
+    public static WorkThreadHandler getInstance() {
+        return InstanceHolder.INSTANCE;
+    }
+
+    private Object readResolve() {
+        // 阻止反序列化，必须实现 Serializable 接口
+        return InstanceHolder.INSTANCE;
+    }
+
+    private Object sToken = new Object();
+
+    public boolean post( Runnable r ) {
+        return mHandler != null && mHandler.post( r );
+    }
+
+    public boolean postDelayed(Runnable r, long delayMillis ) {
+        return mHandler != null && mHandler.postDelayed( r, delayMillis );
+    }
+
+    public Handler getWorkThreadHandler() {
+        return mHandler;
+    }
+
+    public boolean postOnceDelayed(Runnable r, long delayMillis ) {
+        if ( mHandler == null ) {
+            return false;
+        } else {
+            mHandler.removeCallbacks( r, sToken );
+            return mHandler.postDelayed( r, delayMillis );
+        }
+    }
+
+    public void removeCallbacks( Runnable runnable ) {
+        if ( mHandler != null ) {
+            mHandler.removeCallbacks( runnable );
+        }
+    }
+}