效果：(下面转圈的小圆圈)

private CustomProgressDialog progressDialog;

//实例化自定义CustomProgressDialog

progressDialog = new CustomProgressDialog(context, R.style.progressDialog);

//设置不可点击外边取消动画

progressDialog.setCanceledOnTouchOutside(false);

//动画显示

progressDialog.show();

样式：progressDialog

//自定义CustomProgressDialog

public class CustomProgressDialog extends ProgressDialog {

private Context context;

public CustomProgressDialog(Context context) {

super(context);

this.context = context;

}

public CustomProgressDialog(Context context, int theme) {

super(context, theme);

this.context = context;

}