package com.test;
import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class ProgressActivity extends Activity {
private Button button1;
private TextView textView1;
public ProgressDialog dialog = null;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
button1 = (Button) findViewById(R.id.myButton1);
textView1 = (TextView) findViewById(R.id.myTextView1);
button1.setOnClickListener(myShowProgressBar);
}
Button.OnClickListener myShowProgressBar = new Button.OnClickListener() {
public void onClick(View v) {
final CharSequence dialogTitle = getString(R.string.str_dialog_title);
final CharSequence dialogBody = getString(R.string.str_dialog_body);
// 显示Progress对话框
dialog = ProgressDialog.show(ProgressActivity.this, dialogTitle,
dialogBody, true);
textView1.setText(dialogBody);
new Thread() {
public void run() {
try {
/* 在这里写上要背景运行的程序片段 */
/* 为了明显看见效果,以暂停3秒作为示范 */
sleep(3000);
}
catch (Exception e) {
e.printStackTrace();
}
finally {
// 卸载所创建的dialog对象。
dialog.dismiss();
}
}
}.start();
}
};
}