类似电子市场中下载管理中进度条显示下载进度的Demo

package com.progress; import android.app.Activity; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.Bundle; import android.widget.ProgressBar; public class Z_ActivityServiceActivity extends Activity { private ProgressBar progressBar; private int progress = 0; private MyBroadcastReceiver myBroadcastReceiver = new MyBroadcastReceiver(); @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.s); progressBar = (ProgressBar) findViewById(R.id.progressBar); progressBar.setMax(100); // 注册广播接收器 IntentFilter filter = new IntentFilter(); // 设置接收广播的类型，这里要和Service里设置的类型匹配，还可以在AndroidManifest.xml文件中注册 filter.addAction("com.gufengxiachen.service"); this.registerReceiver(myBroadcastReceiver, filter); } // 定义一个广播接收器 class MyBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { // 接收到Service发送的广播信息，得到数据，更新UI progress = intent.getIntExtra("serviceProgress", 0); progressBar.setProgress(progress); } } }