Android之Dialog进度条对话框

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.demo_dialog.MainActivity"
android:orientation="horizontal" >

<Button
android:id="@+id/main_progress"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=".....点我啊"/>

</LinearLayout>

package com.example.demo_dialog;

import java.util.Calendar;

import android.app.Activity;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;

public class MainActivity extends Activity {

private Button btProgress;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btProgress = (Button)findViewById(R.id.main_progress);
btProgress.setOnClickListener(clickListener);
}

private View.OnClickListener clickListener = new View.OnClickListener() {

@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.main_progress:
showProgressDialog();
break;
}
}
};

private void showProgressDialog(){
// 默认效果是圆圈再转
ProgressDialog dialog = new ProgressDialog(this);
// 设置进度条样式    水平和圆圈(当前这个是水平)
dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
// 设置最大进度
dialog.setMax(100);
dialog.show();
// 设置默认值
dialog.setProgress(50);
// 设置进度值是否是不确定的
dialog.setIndeterminate(true);
}

}