2.5.6 使用progressDialog创建进度对话框

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:layout_gravity="center"
    android:orientation="vertical" >

    <Button
        android:id="@+id/btnProgress"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:text="progress" />

</LinearLayout>

package com.moon.hello2;

import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.Inflater;

import android.R.anim;
import android.R.bool;
import android.R.integer;
import android.animation.AnimatorSet.Builder;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.DatePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.app.ProgressDialog;
import android.app.TimePickerDialog.OnTimeSetListener;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.content.DialogInterface;
import android.content.res.TypedArray;
import android.database.DataSetObserver;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Gravity;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.AnimationUtils;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.ExpandableListAdapter;
import android.widget.ExpandableListView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.ProgressBar;
import android.widget.RatingBar;
import android.widget.SimpleAdapter;
import android.widget.TableLayout;
import android.widget.RatingBar.OnRatingBarChangeListener;
import android.widget.SeekBar;
import android.widget.DatePicker.OnDateChangedListener;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TabHost;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.TimePicker.OnTimeChangedListener;
import android.widget.ViewSwitcher.ViewFactory;

public class MainActivity extends Activity {
    private ProgressDialog progressDialog = null;
    private int progress = 0;
    private Handler handler = null;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.setContentView(R.layout.activity_main);
        progressDialog = new ProgressDialog(this);
        findViewById(R.id.btnProgress).setOnClickListener(
                new OnClickListener() {

                    @Override
                    public void onClick(View arg0) {
                        progressDialog.setMax(100);
                        progressDialog.setTitle("这是一个进度条");
                        progressDialog.setMessage("任务完成百分比");
                        progressDialog.setCancelable(false);
                        progressDialog
                                .setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
                        progressDialog.show();
                    }
                });
        new Thread() {

            @Override
            public void run() {
                // TODO Auto-generated method stub
                super.run();
                progressDialog.setProgress(progress);
                while (progress <= 100) {
                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                    progress++;
                    progressDialog.setProgress(progress);
                }
                progressDialog.dismiss();
            }

        }.start();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
}