Android:我正在尝试在安装软件包后取消通知栏中的通知.我正在做的是以下内容:
public class MyBroadcastReceiver extends BroadcastReceiver {
private static final String TAG = "MyBroadcastReceiver";
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (Intent.ACTION_PACKAGE_ADDED.equals(action)) {
Uri data = intent.getData();
//some code goes here
//get the id of the notification to cancel in some way
notificationhelper._completeNotificationManager.cancel(id);
}
}
}
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哪里
public class notificationhelper {
public static NotificationManager _completeNotificationManager = null;
public void complete() {
if (_completeNotificationManager == null)
_completeNotificationManager = (NotificationManager) _context.getSystemService(Context.NOTIFICATION_SERVICE);
Notification notification = new Notification( …Run Code Online (Sandbox Code Playgroud) 我正在使用此示例从服务器下载文件,AsycTask并在通知栏中显示下载进度.我只是修改了doInBackground方法以便下载我的文件:
@Override
protected Void doInBackground(String... Urls) {
//This is where we would do the actual download stuff
//for now I'm just going to loop for 10 seconds
// publishing progress every second
try {
URL url = new URL(Urls[0]);
URLConnection connection = url.openConnection();
connection.connect();
// this will be useful so that you can show a typical 0-100%
// progress bar
int fileLength = connection.getContentLength();
// download the file
InputStream input = new BufferedInputStream(url.openStream());
OutputStream …Run Code Online (Sandbox Code Playgroud) 我有一些数据保存为txt文件.我将txt文件保存为csv,以便使用我的sql workbench将其导入数据库.我正在做的是以下内容:
LOAD DATA LOCAL INFILE '/path/to/csv/file.csv' INTO TABLE mytable FIELDS TERMINATED BY ',' ENCLOSED BY '"' lines terminated by '\n';
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但我的一个专栏是日期,它是作为0000-00-00导入的
如何以良好的方式导入它? 编辑 这是我的csv包含的内容:
id task hoursWorked begindate enddate
0 task1 15 11/17/2012 11/18/2012
1 task2 20 11/18/2012 11/20/2012
2 task3 20 12/4/2012 12/5/2013
3 task4 22 1/5/2013 1/7/2013
Run Code Online (Sandbox Code Playgroud) 我正在尝试使用DownloadManager该类从服务器下载Android应用程序,安装它然后检测安装何时完成.我使用两个接收器:一个用于检测下载过程,另一个用于检测安装过程.第一个接收器工作正常,但第二个接收器没有.我做错了什么?
DownloadManager dm = (DownloadManager) DownloadApplicationActivity.this.getSystemService(Context.DOWNLOAD_SERVICE);
DownloadManager.Request req = new DownloadManager.Request(Uri.parse(MY_LINK));
req.setTitle(MY_TITLE)
.setDescription("Downloading ....")
// download the package to the /sdcard/downlaod path.
.setDestinationInExternalPublicDir(
Environment.DIRECTORY_DOWNLOADS,
MY_PATH);
long enqueue = dm.enqueue(req);
BroadcastReceiver receiver= new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (DownloadManager.ACTION_DOWNLOAD_COMPLETE.equals(action)) {
Query query = new Query();
query.setFilterById(enqueue);
Cursor c =dm.query(query);
if (c.moveToFirst()) {
int columnIndex = c.getColumnIndex(DownloadManager.COLUMN_STATUS);
if (DownloadManager.STATUS_SUCCESSFUL == c.getInt(columnIndex)) {
// show a notification bar.
NotificationManager notificationManager = …Run Code Online (Sandbox Code Playgroud) 我正在使用android中的DownloadManager类从服务器下载数据.数据保存到外部存储器.但我想将它们保存到内部存储器中.我做了我的研究,我发现的是来自这个链接.我尝试了第二种cyngus解决方案:
public static final String PROVIDER_NAME = "com.provider.Downloads";
public static final Uri CONTENT_URI = Uri.parse("content://"+ PROVIDER_NAME + "/downloads")
DownloadManager.Request req = new DownloadManager.Request(Uri.parse(LINK));
req.setDestinationUri(CONTENT_URI);
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它没有用,它给了我错误: java.lang.IllegalArgumentException: Not a file URI: content://com.provider.Downloads/downloads.我做错了什么?
memory android internal download-manager android-contentprovider
我想在 Android 上安装应用程序而无需用户干预。我正在使用该权限INSTALL_PACKAGES,并将该应用程序安装在“/download/”文件夹中。下载完成后,会出现一个对话框,要求我安装该应用程序。如何隐藏此对话框并在无需用户干预的情况下安装应用程序?
我正在尝试使用DownloadManager该类在Android中下载非市场应用程序.我正在做的是以下内容:
DownloadManager dm = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
Request request = new Request(Uri.parse("PATH_TO_MY_APP"));
long enqueue = dm.enqueue(request);
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通知栏显示我正在下载该应用程序.但我无法安装或在设备上找到它.我做错了什么?
我正在以编程方式安装Android应用程序.出现一个"完成操作使用"对话框.他们之间有许多选项"Package Installer".如何在不要求用户选择的情况下隐式选择"包安装程序"?
编辑 我正在使用的代码是:
Intent intent = new Intent();
intent .setDataAndType(Uri.fromFile(new File("/mnt/sdcard/download/App.apk")),"application/vnd.android.package-archive");
startActivity(intent);
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