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;

    }

}