1.activity 代码

package com.test.org.helloworld;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.os.Message;

public class MainActivity extends Activity {

    private TextView mTextView01;
    private Button mButton01;
    private ProgressBar mProgressBar01;
    public int intCounter = 0;

    //自定义Handle信息代码用做别的识别
    protected static final int GUI_STOP_NOTIFIER = 0x108;
    protected static final int GUI_THREADING_NOTIFIER = 0x109;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mButton01 = (Button)findViewById(R.id.myButton1);
        mTextView01 = (TextView)findViewById(R.id.myTextView1);

        mProgressBar01 = (ProgressBar)findViewById(R.id.myProgressBar1);
        mProgressBar01.setIndeterminate(false);

        mButton01.setOnClickListener(new Button.OnClickListener(){
            @Override
            public void onClick(View view) {
                mTextView01.setText(R.string.string_start);
                mProgressBar01.setVisibility(View.VISIBLE);
                mProgressBar01.setMax(100);

                mProgressBar01.setProgress(0);

                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        for(int i=0;i<10;i++){
                            try{
                                Thread.sleep(1000);
                                intCounter = (i+1)*20;
                                if(i==5){
                                    Message m = new Message();
                                    m.what = MainActivity.GUI_STOP_NOTIFIER;
                                    MainActivity.this.myMessageHandle.sendMessage(m);
                                    break;
                                }else{
                                    Message m = new Message();
                                    m.what = MainActivity.GUI_THREADING_NOTIFIER;
                                    MainActivity.this.myMessageHandle.sendMessage(m);
                                }
                            }catch (Exception e){
                                e.printStackTrace();
                            }
                        }
                    }
                }).start();
            }
        });
    }

    Handler myMessageHandle = new Handler()
    {
        public void handleMessage(Message msg){
            switch (msg.what){
                case MainActivity.GUI_STOP_NOTIFIER:
                    mTextView01.setText(R.string.str_progress_done);
                    mProgressBar01.setVisibility(View.GONE);
                    Thread.currentThread().interrupt();
                    break;
                case MainActivity.GUI_THREADING_NOTIFIER:
                    if(!Thread.currentThread().isInterrupted()){
                        mProgressBar01.setProgress(intCounter);
                        mTextView01.setText(getResources().getText(R.string.str_progress_start)+
                        "("+Integer.toString(intCounter)+"%)\n"+
                         "Progress:"+
                                Integer.toString(mProgressBar01.getProgress())+
                                "\n"+"Indeterminate:"+
                                Boolean.toString(mProgressBar01.isIndeterminate())
                        );
                    }
                    break;
            }
            super.handleMessage(msg);
        }
    };

}

2.main.xml文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">

    <TextView
        android:id="@+id/myTextView1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:textColor="@color/colorAccent"
        android:text= "@string/app_name"/>

    <ProgressBar
        android:id="@+id/myProgressBar1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:visibility="gone" />

    <Button
        android:id="@+id/myButton1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/button_send"
        />
</LinearLayout>

3.效果图
图片描述


mmy123456
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