android+https网址屏蔽证书+IntentService+NotifyManager通知栏+下载apk文件+在通知栏显示下载进度+完成之后提示安装
因为工作的需求需要实现版本更新。
情景：用户打开apk之后检查版本，新版本提示更新，点击之后在通知栏提示正在下载，并且显示更新进度。
废话不说上代码：
1：定义一个intentservice:
public class UpdateApkIntentService extends IntentService { // TODO: Rename actions, choose action names that describe tasks that this private static final int NOTIFY_DOW_ID = 0; private static final int NOTIFY_OK_ID = 1; private SharedPreferenceUtil sp; private Context mContext = this; private boolean cancelled; private int oldprocess; private NotificationManager mNotificationManager; private Notification mNotification; File downapkfile; RemoteViews contentView; private String apkurl; private JindianziApplication jindianziApplication; public UpdateApkIntentService() { super("UpdateApkIntentService"); } /** * Starts this service to perform action Foo with the given parameters. If * the service is already performing a task this action will be queued. * * @see IntentService */ // TODO: Customize helper method public static void startActionFoo(Context context, String param1, String param2) { Intent intent = new Intent(context, UpdateApkIntentService.class); context.startService(intent); } /** * Starts this service to perform action Baz with the given parameters. If * the service is already performing a task this action will be queued. * * @see IntentService */ // TODO: Customize helper method public static void startActionBaz(Context context, String param1, String param2) { Intent intent = new Intent(context, UpdateApkIntentService.class); context.startService(intent); } @Override public void onCreate() { super.onCreate(); // 做一些准备性的工作。 sp = new SharedPreferenceUtil(getApplicationContext()); mNotificationManager = (NotificationManager) getSystemService(android.content.Context.NOTIFICATION_SERVICE); cancelled = true; Log.d("intentservice","onCreate"); } @Override protected void onHandleIntent(Intent intent) { // 判断网络 apkurl = intent.getExtras().getString("apkurl"); apkurl = intent.getStringExtra("apkurl"); if(isNetworkConnected(getApplicationContext())){ // sp.setisLoad("isLoad",true); createNotification(NOTIFY_DOW_ID); try { DownApk(apkurl); } catch (MalformedURLException e) { e.printStackTrace(); } }else { Toast.makeText(getApplicationContext(),"网络不好，请检查网络",Toast.LENGTH_SHORT).show(); } // } // Log.d("intentservice","onHandleIntent"); } // 判断下载的三种状态下载中，下载失败，下载完成 @Override public int onStartCommand(Intent intent, int flags, int startId) { flags = START_STICKY; return super.onStartCommand(intent, flags, startId); } @Override public void setIntentRedelivery(boolean enabled) { super.setIntentRedelivery(true); } private Handler handler = new Handler() { public void handleMessage(android.os.Message msg) { switch (msg.what) { case 0: // 更新进度 RemoteViews contentView = mNotification.contentView; contentView.setTextViewText(id.content_view_text1, "xxx"); contentView.setProgressBar(id.content_view_progress, 100, msg.arg1, false); // 更新UI mNotificationManager.notify(NOTIFY_DOW_ID, mNotification); break; case 1: mNotificationManager.cancel(NOTIFY_DOW_ID); createNotification(NOTIFY_OK_ID); // sp.setisLoad("isLoad",false); break; } }; }; /** * 创建通知 */ private void createNotification(int notifyId) { switch (notifyId) { case NOTIFY_DOW_ID: int icon = drawable.default_icon; CharSequence tickerText = "开始下载..."; long when = System.currentTimeMillis(); mNotification = new Notification(icon, tickerText, when); mNotification.icon= drawable.logo_new; // 放置在"正在运行"栏目中 mNotification.flags = Notification.FLAG_ONGOING_EVENT; RemoteViews contentView = new RemoteViews(mContext.getPackageName(), layout.notice_loadapk); contentView.setTextViewText(id.content_view_text1,"开始下载..."); contentView.setProgressBar(id.content_view_progress, 100, 0, false); mNotification.contentView = contentView; mNotificationManager.notify(notifyId, mNotification); break; case NOTIFY_OK_ID: // System.out.println("下载完成之后进入通知。"); // int icon2 = drawable.default_icon; // CharSequence tickerText2 = "下载完毕"; // long when2 = System.currentTimeMillis(); // mNotification = new Notification(icon2, tickerText2, when2); // mNotification.icon = drawable.logo_new; // //放置在"通知形"栏目中 // mNotification.flags = Notification.FLAG_AUTO_CANCEL; // PendingIntent contentInten2 = PendingIntent.getActivity(mContext, 0, null, 0); // mNotification.setLatestEventInfo(mContext, "下载完成", "文件已下载完毕", contentInten2); // Toast.makeText(UpdateApkIntentService.this, "下载完成", Toast.LENGTH_SHORT).show(); // mNotificationManager.notify(notifyId, mNotification); installapk(getApplicationContext(),downapkfile); break; } } //发送消息进行更新进度条 public void sendMessage(int what,int mprogress) { Message msg0 = handler.obtainMessage(); msg0.what = what; msg0.arg1 = mprogress; handler.sendMessage(msg0); } // 下载文件 private void DownApk(String url) throws MalformedURLException { String urlStr=url; oldprocess = 0; try {
// 屏蔽HTTPS证书验证
SSLContext sc =SSLContext.getInstance("TLS");
sc.init(null, new TrustManager[]{new MyTrustManager()}, new SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
HttpsURLConnection.setDefaultHostnameVerifier(new MyHostnameVerifier());
HttpsURLConnection conn = (HttpsURLConnection)new URL(urlStr).openConnection();
// HttpURLConnection conn = (HttpURLConnection)new URL(urlStr).openConnection();
conn.setDoOutput(true);
conn.setDoInput(true);
// 删除文件夹
File apkfile = new File("/sdcard/xxx.apk");
if (apkfile.exists()){
apkfile.delete();
}
final String fileName = "xxx.apk";
File tmpFile = new File("/sdcard/");
if (!tmpFile.exists()) {
tmpFile.mkdir();
}
downapkfile = new File("/sdcard/", fileName);
try {
downapkfile.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
InputStream is = conn.getInputStream();
//内容总长度
long contentlength = conn.getContentLength();
//已下载的长度
long loadedlength = 0;
System.out.println(contentlength+"");
FileOutputStream fileOutput= new FileOutputStream(downapkfile);
byte[] buf = new byte[512];//分配byte
conn.connect();
double count = 0;
if (conn.getResponseCode() >= 400) {
} else {
while (count <= 100) {
if (is != null) {
int numRead = is.read(buf);
if (numRead <= 0) {
sendMessage(1,0);
break;
} else {
// 设置进度
fileOutput.write(buf, 0, numRead);
loadedlength += numRead;
int mprogress = (int) ((loadedlength*100)/contentlength);
// 设置下载进度，更新
// 设置通知发送消息给NOtifyManager进行更新（进度更新，状态更新），判断状态
if(oldprocess <= mprogress-2 ){
// 避免notifymanager ANR，每下载百分之2才进行通知一次
oldprocess =mprogress;
sendMessage(0, mprogress);
}
}
} else {
break;
}
}
}
conn.disconnect();//记得关闭连接
fileOutput.close();
is.close();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (KeyManagementException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public boolean onUnbind(Intent intent) {
// sp.setisLoad("isLoad", false);
//// mNotificationManager.cancel(NOTIFY_OK_ID);
// mNotificationManager.cancelAll();
// sendMessage(0, 0);
// Log.d("intentservice", "onUnbind");
return super.onUnbind(intent);
}
// 主要判断wifi和手机网络（3G+4G网络）是否存在一个
public boolean isNetworkConnected(Context context) {
if (context != null) {
ConnectivityManager mConnectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
NetworkInfo mWiFiNetworkInfo = mConnectivityManager
.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
NetworkInfo mMobileNetworkInfo = mConnectivityManager
.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
if (mNetworkInfo != null&&(mWiFiNetworkInfo!=null || mMobileNetworkInfo != null)) {
return mNetworkInfo.isAvailable();
}
}
return false;
}
// 安装apk
private void installapk(Context ctxContext,File apkurl){
System.out.println("installapk"+apkurl.getPath());
Intent intent = new Intent();
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
intent.setAction(android.content.Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(downapkfile),
"application/vnd.android.package-archive");
ctxContext.startActivity(intent);
}
/** * Handle action Foo in the provided background thread with the provided * parameters. */ private void handleActionFoo(String param1, String param2) {
// TODO: Handle action Foo throw new UnsupportedOperationException("Not yet implemented");
}
/** * Handle action Baz in the provided background thread with the provided * parameters. */ private void handleActionBaz(String param1, String param2) {
throw new UnsupportedOperationException("Not yet implemented");
}
}
启动服务：
Uri uri = Uri.parse(Contans.UPDATE_VERSION); Intent intent = new Intent(xxx.this, UpdateApkIntentService.class); intent.putExtra("apkurl", uri.toString()); startService(intent);