Android 升级下载 它们的定义Updates 兼容版本
DownloadManager downloadManager = (DownloadManager) getSystemService(Activity.DOWNLOAD_SERVICE);
DownloadManager.Request request = new Request(Uri.parse(dl));
request.setTitle(getString(R.string.app_name));
request.setDestinationUri(getDownloadName(getIntent().getStringExtra("version_name")));
long reference = downloadManager.enqueue(request);
UserSettingHelper.getInstance().setUpgradeKey(reference);
package com.example.updataapk; import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener; /**
*
* @author baozi
*
*/
public class MainActivity extends Activity { // 地址
private String dl = "http://17shihui.cn/download/shihui.apk"; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Function_Utility.setAppContext(getApplicationContext()); findViewById(R.id.button1).setOnClickListener(new OnClickListener() { @Override
public void onClick(View v) {
Uri uri = Uri.parse(dl);
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
startActivity(intent);
}
});
findViewById(R.id.button2).setOnClickListener(new OnClickListener() { @Override
public void onClick(View v) {
try {
download(dl);
} catch (Exception e) {
e.printStackTrace();
}
}
});
} private void download(String dl) throws Exception {
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD) {
Intent service = new Intent(this, DownloadService.class);
service.putExtra(DownloadService.INTENT_URL, dl);
startService(service); } else {
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(dl));
startActivity(intent);
}
}
}
package com.example.updataapk; import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL; import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.util.Log;
import android.widget.RemoteViews; public class DownloadService extends Service {
// notification 名字
private String notify_name = "apk正在下载...";
public static final String INTENT_URL = "url";
private Context mContext = this;
Notification mNotification;
private static final int NOTIFY_ID = 0;
private NotificationManager mNotificationManager;
/* 下载包安装路径 */
private static final String savePath = Function_Utility.getUpgradePath();
private static final String saveFileName = savePath + "demo.apk";
private String apkUrl;
private int progress;
boolean canceled;
private Thread downLoadThread; @Override
public IBinder onBind(Intent intent) {
return null;
} @Override
public void onCreate() {
super.onCreate();
mNotificationManager = (NotificationManager) getSystemService(android.content.Context.NOTIFICATION_SERVICE);
} public int onStartCommand(Intent intent, int flags, int startId) {
Log.i("DownloadService", "intent=" + intent.toString() + " ; flags= " + flags + " ; startId" + startId);
if (intent.hasExtra(DownloadService.INTENT_URL)) {
apkUrl = (String) intent.getExtras().get(DownloadService.INTENT_URL);
}
progress = 0;
setUpNotification();
new Thread() {
public void run() {
// 開始下载
startDownload();
};
}.start(); return startId; }; private void startDownload() {
canceled = false;
downloadApk();
} private Handler mHandler = new Handler() { @Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
switch (msg.what) {
case 0:
// 完成下载
// 取消通知
mNotificationManager.cancel(NOTIFY_ID);
installApk();
break;
case 2:
// 这里是用户界面手动取消,所以会经过activity的onDestroy();方法
// 取消通知
mNotificationManager.cancel(NOTIFY_ID);
break;
case 1:
int rate = msg.arg1;
if (rate < 100) {
RemoteViews contentview = mNotification.contentView;
contentview.setTextViewText(R.id.tv_progress, rate + "%");
contentview.setProgressBar(R.id.progressbar, 100, rate, false);
} else {
// 完成下载后变换通知形式
mNotification.flags = Notification.FLAG_AUTO_CANCEL;
mNotification.contentView = null;
mNotification.setLatestEventInfo(mContext, "完成下载", "文件已完成下载", null);
stopSelf();// 停掉服务自身
}
PendingIntent contentIntent2 = PendingIntent.getActivity(getApplicationContext(), 0, new Intent(), PendingIntent.FLAG_UPDATE_CURRENT);
mNotification.contentIntent = contentIntent2;
mNotificationManager.notify(NOTIFY_ID, mNotification);
break;
case 3:
mNotification.flags = Notification.FLAG_AUTO_CANCEL;
RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.update_download_notification_layout);
contentView.setTextViewText(R.id.name, "下载失败");
// 指定个性化视图
mNotification.contentView = contentView;
Intent intent = new Intent(getApplicationContext(), MainActivity.class);
PendingIntent contentIntent = PendingIntent.getActivity(getApplicationContext(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); // 指定内容意图
mNotification.contentIntent = contentIntent;
mNotificationManager.notify(NOTIFY_ID, mNotification); stopSelf();// 停掉服务自身
break; }
}
}; /**
* 安装apk
*
* @param url
*/
private void installApk() {
File apkfile = new File(saveFileName);
if (!apkfile.exists()) {
return;
}
Intent i = new Intent(Intent.ACTION_VIEW);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
i.setDataAndType(Uri.parse("file://" + apkfile.toString()), "application/vnd.android.package-archive");
mContext.startActivity(i);
} private int lastRate = 0;
private InputStream is = null;
private FileOutputStream fos = null; /**
* 下载apk
*
* @param url
*/
private void downloadApk() {
downLoadThread = new Thread(mdownApkRunnable);
downLoadThread.start();
} private Runnable mdownApkRunnable = new Runnable() { @Override
public void run() {
try {
URL url = new URL(apkUrl);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.connect();
int length = conn.getContentLength();
is = conn.getInputStream(); File file = new File(savePath);
if (!file.exists()) {
file.mkdirs();
}
String apkFile = saveFileName;
File ApkFile = new File(apkFile);
fos = new FileOutputStream(ApkFile); int count = 0;
byte buf[] = new byte[1024]; do {
int numread = is.read(buf);
count += numread;
progress = (int) (((float) count / length) * 100);
// 更新进度
Message msg = mHandler.obtainMessage();
msg.what = 1;
msg.arg1 = progress;
if (progress >= lastRate + 1) {
mHandler.sendMessage(msg);
lastRate = progress;
}
if (numread <= 0) {
mHandler.sendEmptyMessage(0);// 完成下载通知安装
// 下载完了,cancelled也要设置
canceled = true;
break;
}
fos.write(buf, 0, numread);
} while (!canceled);// 点击取消就停止下载.
Log.i("DownloadService----------canceled", canceled + "");
fos.close();
is.close();
} catch (Exception e) { Message msg = mHandler.obtainMessage();
msg.what = 3;
mHandler.sendMessage(msg);
e.printStackTrace();
} finally {
try {
if (fos != null) {
fos.close();
}
is.close();
if (is != null) {
is.close();
}
} catch (Exception e) {
e.printStackTrace();
}
} }
}; /**
* 创建通知
*/
private void setUpNotification() {
int icon = R.drawable.ic_launcher;
CharSequence tickerText = "開始下载";
long when = System.currentTimeMillis();
mNotification = new Notification(icon, tickerText, when);
;
// 放置在"正在执行"栏目中
mNotification.flags = Notification.FLAG_ONGOING_EVENT; RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.update_download_notification_layout);
contentView.setTextViewText(R.id.name, notify_name);
// 指定个性化视图
mNotification.contentView = contentView; PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(), PendingIntent.FLAG_UPDATE_CURRENT); // 指定内容意图
mNotification.contentIntent = contentIntent;
mNotificationManager.notify(NOTIFY_ID, mNotification);
} }
3) 下载到手机的地址
package com.example.updataapk; import java.io.File;
import java.io.IOException; import android.annotation.SuppressLint;
import android.content.Context;
import android.os.Environment; @SuppressWarnings("deprecation")
@SuppressLint({ "DefaultLocale", "SimpleDateFormat" })
public class Function_Utility { private static Context mAppContext; public static void setAppContext(Context context) {
mAppContext = context;
} public static Context getAppContext() {
return mAppContext;
} /**
* 下载到SD卡地址
*/
public static String getUpgradePath() {
String filePath = getAppRootPath() + "/upgrade/";
File file = new File(filePath);
if (!file.isDirectory()) {
file.mkdirs();
}
file = null;
return filePath;
} public static String getAppRootPath() {
String filePath = "/weimicommunity";
if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
filePath = Environment.getExternalStorageDirectory() + filePath;
} else {
filePath = getAppContext().getCacheDir() + filePath;
}
File file = new File(filePath);
if (!file.exists()) {
file.mkdirs();
}
file = null;
File nomedia = new File(filePath + "/.nomedia");
if (!nomedia.exists())
try {
nomedia.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
return filePath;
}
}
4) Androidmanifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.updataapk"
android:versionCode="1"
android:versionName="1.0" > <uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" /> <uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /> <application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.updataapk.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.updataapk.DownloadService" >
</service>
</application> </manifest>
watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvYWFhd3FxcQ==/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/SouthEast" alt="">
版权声明:本文博主原创文章,博客,未经同意不得转载。
Android 升级下载 它们的定义Updates 兼容版本的更多相关文章
- Android Studio下载及离线升级方法
由于众所周知的原因,android官网无法访问,所以我们要用到翻.墙.工具,我用的是自.由.门,大家自行搜索下载. android studio下载地址: https://dl.google.com/ ...
- Android Drawable Mipmap Vector使用及Vector兼容
原文地址:http://blog.csdn.net/eclipsexys/article/details/51838119 http://blog.csdn.net/qq_15545283/artic ...
- android sdk 下载
不知道是因为最近kaihui还是怎么的,打开android sdk官方网站特别的慢,想下载最新版本的platform几乎变成不可能完成的任务,不知道为什么Google不像Apache那样在各国设立镜像 ...
- android程序---->android多线程下载(一)
多线程下载是加快下载速度的一种方式,通过开启多个线程去执行一个任务,可以使任务的执行速度变快.多线程的任务下载时常都会使用得到断点续传下载,就是我们在一次下载未结束时退出下载,第二次下载时会接着第一次 ...
- Android异步下载图片并且缓存图片到本地
Android异步下载图片并且缓存图片到本地 在Android开发中我们经常有这样的需求,从服务器上下载xml或者JSON类型的数据,其中包括一些图片资源,本demo模拟了这个需求,从网络上加载XML ...
- 毕加索的艺术——Picasso,一个强大的Android图片下载缓存库,OkHttpUtils的使用,二次封装PicassoUtils实现微信精选
毕加索的艺术--Picasso,一个强大的Android图片下载缓存库,OkHttpUtils的使用,二次封装PicassoUtils实现微信精选 官网: http://square.github.i ...
- android程序---->android多线程下载(二)
上篇我们讲到了android中下载的断点续传问题,今天我们开始学习下载的多线程问题.本次的多线程源码下载:androdi中多线程下载的实现代码.有关断点续传的问题,请参见博客:android程序--- ...
- Android中怎样做到自己定义的广播仅仅能有指定的app接收
今天没吊事.又去面试了,详细哪家公司就不说了,由于我在之前的blog中注明了那些家公司的名字,结果人家给我私信说我泄露他们的题目.好吧,我错了... 事实上当我们已经在工作的时候.我们能够在空暇的时间 ...
- Downloadmanager实现app实现的升级下载使用
1.app升级下载现在不推荐使用downloadmanager下载: 原因有下面的几个方面: (1)三星note系列部分手机需要手动打开这个权限才能用这个功能,而有些国产手机更加nb了直接个阉割了(d ...
随机推荐
- python3 随机生成6位数的验证码
python3 随机生成6位数的验证码 要求是数字:0~9 及大小写字母. #!/usr/bin/env python # -*- coding:utf-8 -*- # Author:Hiuhung ...
- 基于StringUtils工具类的常用方法介绍(必看篇)
前言:工作中看到项目组里的大牛写代码大量的用到了StringUtils工具类来做字符串的操作,便学习整理了一下,方便查阅. isEmpty(String str) 是否为空,空格字符为false is ...
- 内存、时间复杂度、CPU/GPU以及运行时间
衡量 CPU 的计算能力: 比如一个 Intel 的 i5-2520M @2.5 Ghz 的处理器, 则其计算能力 2.5 * 4(4核) = 10 GFLOPS FLOP/s,Floating-po ...
- 高效的敏感词过滤方法(PHP)
方法一: ? 1 2 3 4 5 6 7 $badword = array( '张三','张三丰','张三丰田' ); $badword1 = array_combine($badwor ...
- Springboot + shiro 整合之Url拦截设置(转)
shiro 整合到springboot 还是比较简单的,只需要新建一个spring-shiro.xml的配置文件: <span style="font-size:14px;" ...
- C++ 宏、范型和RTTI 浅析
[摘要] RTTI(Run-Time Type Identification)是面向对象程序设计中一种重要的技术. 现行的C++标准对RTTI已经有了明白的支持. 只是在某些情况下出于特 ...
- 25、写一个USB摄像头驱动程序(有ioctrl分析)
videobuf2-core.h中的vb2_buffer,记录了v4l2_buffer ,驱动可以对vb2_buffer的v4l2_buffer进行操控, vb2_buffer是v4l2框架层的代码, ...
- 【26.83%】【Codeforces Round #380C】Road to Cinema
time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard ou ...
- Java文档上传问题设计
近期公司让做一个文档上传的功能,功能描写叙述大概是这样子滴 书籍名称.书籍定价.书籍封面图片(须要上传).文档内容 (须要上传) .还有其它相关的描写叙述信息. 我的设计 表 A 包括以上字段 , ...
- [Vue] Build Vue.js Apps with the Vue-CLI and Nuxt.js
The vue-cli allows you to easily start up Vue projects from the command line while Nuxt.js enables a ...