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>