简单提示

image-20210830143409452 
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private ProgressDialog progressDialog;

//显示处理中
progressDialog = ProgressDialog.show(this, "提示", "正在处理中...");

//关闭提示
progressDialog.dismiss();

进度提示

image-20210830145023918 
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private ProgressDialog progressDialog;

//开始进度为 0
progressDialog = new ProgressDialog(this);
progressDialog.setTitle("提示");
progressDialog.setMessage("进度");
progressDialog.setMax(100);
progressDialog.setProgress(0);
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.show();

//修改进度为 10
progressDialog.setProgress(10);

//关闭提示
progressDialog.dismiss();