//水平进度条

    public void jdt1_onclick(View view)

    {

        final ProgressDialog pd = new ProgressDialog(this);

        pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);

        pd.setMessage("正在加载请稍后");

        pd.show();

        //创建thread实例  实现Runable接口  启动多线程

        new Thread(new Runnable() {

            @Override

            public void run() {

                for (int i = 0; i <= pd.getMax(); i++) {

                    try {

                        Thread.sleep(100);

                    } catch (Exception e) {

                    }

                    pd.setProgress(i);

                }

                pd.dismiss();

            }

        }).start();

        //创建thread实例  重写run方法  启动多线程

        new Thread()

        {

            @Override

            public void run() {

                super.run();

                //新线程 子线程

                for (int i = 0; i <= pd.getMax(); i++) {

                    try {

                        Thread.sleep(100);

                    } catch (Exception e) {

                    }

                    pd.setProgress(i);

                  }

                 pd.dismiss();//关闭

                //子线程不能直接操作主线程 UI线程

                //1.可以用hander

                //2.也可以用runOnUiThread

                runOnUiThread(new Runnable() {

                    @Override

                    public void run() {

                        Toast.makeText(UIActivity2.this, "加载完成", Toast.LENGTH_SHORT).show();

                    }

                });

            }

            }.start();

    }