android 创建水平进度条

pbForCell = new ProgressBar(this.ctx,null,android.R.attr.progressBarStyleHorizontal);


    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        LinearLayout ly = new LinearLayout(this);
        LinearLayout.LayoutParams paramsMain = new LinearLayout.LayoutParams(200,10);
        paramsMain.topMargin = 10;
        paramsMain.leftMargin = 10;
        ProgressBar pb = new ProgressBar(this,null,android.R.attr.progressBarStyleHorizontal);
        pb.setProgress(30);
        ly.addView(pb,paramsMain);
        setContentView(ly);
    }