java开启多线程/鸿蒙OS开启多线程/计时器案例 原创

/**
开启动画
*/   
 private void start(Context context,DirectionalLayout directionalLayout) {
        List<Integer> getid = getid();
        Image image1 = new Image(context);
        image1.setScaleMode(Image.ScaleMode.INSIDE);
        image1.setPixelMap(ResourceTable.Media_gifloading1);
        directionalLayout.addComponent(image1);
//开启串行任务
        context.createSerialTaskDispatcher("", TaskPriority.DEFAULT).asyncDispatch(new Runnable() {
            @Override
            public void run() {
                while (true) {//无限循环
                    try {
                        for (int i =0; i < getid.size() ; i++) {
                            Thread.sleep(1*1000L);//睡一秒
                            int  index=i;
                        context.getUITaskDispatcher().asyncDispatch(new Runnable() {//开启UI专有线程更新界面
                            @Override
                            public void run() {
//                                directionalLayout.removeAllComponents();
                                directionalLayout.removeComponentAt(0);
                                Image image1 = new Image(context);
                                image1.setScaleMode(Image.ScaleMode.INSIDE);
                                image1.setPixelMap(getid.get(index));
                                System.out.println("getid.get(index)"+getid.get(index)+index);
                                directionalLayout.addComponent(image1);
                            }
                        });
                        }
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
            }
        });
    }
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