1.圓形進度條
public void showPregressDialog(View v)
{
//參數必須是Activity對象
ProgressDialog progressDialog=new ProgressDialog(this);
progressDialog.setMessage("請稍後,正在加載中");
progressDialog.setCancelable(true);
progressDialog.show();
}
2.直線進度條
public void showHorizontalProgressDialog(View v)
{
ProgressDialog progressDialog=new ProgressDialog(this);
progressDialog.setMessage("請稍後,正在加載中");
//設置進度條的風格
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setCancelable(true);
progressDialog.setMax(100);//設置最大進度條度數
progressDialog.show();
//顯示到後面纔會顯示默認的進度條
progressDialog.setProgress(50);
}
需要注意的是,傳遞的參數是Activity。