apk更新、下载、安装（二）---ThinDownloadManager+IntentService【有卡顿bug】

这个小demo有bug?就是点击下载后，在通知栏那块很卡？因为大神指点，多谢

点击打开链接，下载demo......................

activity_main.xml主界面只有一个Button

<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"    android:orientation="vertical"    tools:context=".MainActivity" >    <Button        android:id="@+id/intentService"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_alignParentLeft="true"        android:layout_marginTop="10dp"        android:text="intentService" /></LinearLayout>

MainActivity

package com.example.indownloaddemo;import android.app.Activity;import android.content.Context;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;public class MainActivity extends Activity implements OnClickListener {    Context context;    Button intentButton;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        context = this;        initView();    }    private void initView() {        intentButton = (Button) findViewById(R.id.intentService);        intentButton.setOnClickListener(this);    }    @Override    public void onClick(View v) {        switch (v.getId()) {            case R.id.intentService:                Intent intent = new Intent(context, MyService.class);                startService(intent);                break;        }    }}

MyService

package com.example.indownloaddemo;import com.thin.downloadmanager.DownloadManager;import com.thin.downloadmanager.DownloadRequest;import com.thin.downloadmanager.DownloadStatusListener;import com.thin.downloadmanager.ThinDownloadManager;import com.thin.downloadmanager.DownloadRequest.Priority;import android.app.IntentService;import android.content.Context;import android.content.Intent;import android.net.Uri;import android.util.Log;public class MyService extends IntentService {    //环境变量    Context context;    //apk存放路徑    String urlPath;    //apk的url地址    private static final String FILE1 = "http://gdown.baidu.com/data/wisegame/f98d235e39e29031/baiduxinwen.apk";    //下載管理器    private ThinDownloadManager downloadManager;   //線程池數量    private static final int DOWNLOAD_THREAD_POOL_SIZE = 3;    //下载监听    MyDownloadListner myDownloadStatusListener = new MyDownloadListner();    int downloadId1 = 0;    private DownloadRequest request1;    //通知管理类    EppNotificationControl notificationControl;    public MyService() {        super("MyService");    }    @Override    public void onCreate() {        context = this;        super.onCreate();    }    //IntentService里面是可以进行耗时的操作的    @Override    protected void onHandleIntent(Intent intent) {        urlPath = Util.createSDCardDir("epp.apk");        //创建通知对象包含 （时间、图标）        notificationControl = new EppNotificationControl(urlPath, context);        downloadManager = new ThinDownloadManager(DOWNLOAD_THREAD_POOL_SIZE);        initDownload();        if (downloadManager.query(downloadId1) == DownloadManager.STATUS_NOT_FOUND) {            downloadId1 = downloadManager.add(request1);        }        notificationControl.showProgressNotify();    }    private void initDownload() {        Uri downloadUri = Uri.parse(FILE1);        Uri destinationUri = Uri.parse(urlPath);        request1 = new DownloadRequest(downloadUri)                .setDestinationURI(destinationUri).setPriority(Priority.HIGH)                .setDownloadListener(myDownloadStatusListener);    }    class MyDownloadListner implements DownloadStatusListener {        @Override        public void onDownloadComplete(int id) {            if (id == downloadId1) {                Log.e("TAG", "download completed");            }        }        @Override        public void onDownloadFailed(int id, int errorCode, String errorMessage) {            if (id == downloadId1) {                Log.e("TAG", "DownloadFailed" + errorMessage);            }        }        @Override        public void onProgress(int id, long totalBytes, long downloadedBytes,                int progress) {            if (id == downloadId1) {                Log.e("TAG", progress + "");                notificationControl.updateNotification(progress);            }        }    }}

EppNotificationControl

package com.example.indownloaddemo;import android.app.Notification;import android.app.NotificationManager;import android.content.Context;import android.support.v4.app.NotificationCompat;import android.util.Log;public class EppNotificationControl {    NotificationManager mNotificationManager;    NotificationCompat.Builder mBuilder;    String urlPath;    int progress;    final int NOTIFYCATIONID = 1001;    Context context;    public EppNotificationControl(String urlPath, Context context) {        this.urlPath = urlPath;        this.context = context;        initNotifycation();    }    /**     * 初始化通知对象     * 时间、图标     */    private void initNotifycation() {        mNotificationManager = (NotificationManager) context                .getSystemService(Context.NOTIFICATION_SERVICE);        mBuilder = new NotificationCompat.Builder(context);      //通知产生的时间，会在通知信息里显示，一般是系统获取到的时间        mBuilder.setWhen(System.currentTimeMillis()).setSmallIcon(                R.drawable.chevron_default);    }    public void showProgressNotify() {        mBuilder.setContentTitle("等待下载").setContentText("进度:")                .setTicker("开始下载");// 通知首次出现在通知栏，带上升动画效果的        Notification mNotification = mBuilder.build();        // 确定进度的        mBuilder.setProgress(100, progress, false); // 这个方法是显示进度条 设置为true就是不确定的那种进度条效果        mNotificationManager.notify(NOTIFYCATIONID, mNotification);    }    /** 设置下载进度 */    public void updateNotification(int progress) {        Notification mNotification = mBuilder.build();        mNotification.flags = Notification.FLAG_ONGOING_EVENT;//        mBuilder.setProgress(100, progress, false); // 这个方法是显示进度条        mBuilder.setContentText("下载中...").setContentTitle("AAAAA");        mNotificationManager.notify(NOTIFYCATIONID, mNotification);    }    /** 下载完毕 */    public void doneNotification() {        Notification mNotification = mBuilder.build();        mNotification.flags = Notification.FLAG_ONGOING_EVENT;//        mBuilder.setProgress(100, progress, false); // 这个方法是显示进度条        mBuilder.setContentText("下载完毕...").setContentTitle("完成");        mNotificationManager.cancel(NOTIFYCATIONID);        mNotificationManager.cancelAll();        Util.installApk(urlPath, context, mNotificationManager,        NOTIFYCATIONID);    }    }

Util工具类

package com.example.indownloaddemo;import java.io.File;import android.app.NotificationManager;import android.content.Context;import android.content.Intent;import android.net.Uri;import android.os.Environment;import android.util.Log;public class Util {    public static String createSDCardDir(String name) {        File sdcardDir = Environment.getExternalStorageDirectory();        String path = sdcardDir.getPath() + "/MUDOWN";        File file = null;        try {            if (Environment.MEDIA_MOUNTED.equals(Environment                    .getExternalStorageState())) {                File dir = new File(path);                if (!dir.exists()) {                    dir.mkdirs();                }                file = new File(dir, name);                if (file.exists()) {                    file.delete();                }                file.createNewFile();            }        } catch (Exception e) {        }        return file.getPath();    }    public static void installApk(String urlPath, Context context,            NotificationManager mNotificationManager, int NOTIFYCATIONID) {        Intent apkIntent = new Intent();        apkIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);        apkIntent.setAction(android.content.Intent.ACTION_VIEW);        File apkFile = new File(urlPath);        Uri uri = Uri.fromFile(apkFile);        apkIntent                .setDataAndType(uri, "application/vnd.android.package-archive");        context.startActivity(apkIntent);        mNotificationManager.cancel(NOTIFYCATIONID);// 删除一个特定的通知ID对应的通知    };}

配置文件

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.indownloaddemo"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="14" />    <uses-permission android:name="android.permission.INTERNET" />    <uses-permission android:name="android.permission.INSTALL_PACKAGES" />    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name="com.example.indownloaddemo.MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>                <service android:name="com.example.indownloaddemo.MyService"/>            </application></manifest>