android

How to know Fragment id for the fragment(s) provided by the tabbed activity template

由 老子叫甜甜 提交于 2021-02-20 10:16:20
问题 I have used the tabbed activity template provided by android studio but i can't happen to find the id for the different fragments used. the template had only one .xml and .java for all three fragments. I made a few changes and made three separate .xml and .java for the three fragments. But I can't figure out how to set the id for the different fragments either from .xml or in .java and without the id I can't perform inter fragment communication. 回答1: Now for retrieving a fragment Fragment f =

Is there a way to know if Data Saver is enabled?

由 我只是一个虾纸丫 提交于 2021-02-20 10:14:11
问题 Android 7.0 Nougat added Data Saver feature allowing users to restrict background data of certain apps (including push notifications). When Data Saver is ON, only the apps on the list found in Settings → Data Saver → Unrestricted data access are allowed to receive push notifications and execute background network calls. If Data Saver is OFF and your app is not on the unrestricted list, it's pretty much like setting push notifications disabled. There is a use case in my app where it's waiting

How to know Fragment id for the fragment(s) provided by the tabbed activity template

由 孤者浪人 提交于 2021-02-20 10:12:49
问题 I have used the tabbed activity template provided by android studio but i can't happen to find the id for the different fragments used. the template had only one .xml and .java for all three fragments. I made a few changes and made three separate .xml and .java for the three fragments. But I can't figure out how to set the id for the different fragments either from .xml or in .java and without the id I can't perform inter fragment communication. 回答1: Now for retrieving a fragment Fragment f =

Programmatically enabling a custom keyboard

由 夙愿已清 提交于 2021-02-20 09:08:21
问题 I've developed custom keyboard on android, and I want to add a button to enable my keyboard and redirect the user to the page of virtual keyboards or to page manage keyboards so that the user can just turn on my keyboard from there, for example similar to the one in "a.i.typekeyboard", kindly see the screenshot. 回答1: Just open input method settings activity using Intent . Intent enableIntent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); enableIntent.setFlags(Intent.FLAG_ACTIVITY_NEW

RecyclerView does not update after removing an item [duplicate]

由 谁说我不能喝 提交于 2021-02-20 09:08:19
问题 This question already has answers here : How to update RecyclerView Adapter Data? (13 answers) Closed yesterday . I have a RecyclerView horizontal image slider at the bottom of a fragment. The top of the fragment shows some details. Once the user clicks on the images at the bottom, the idea is to remove that image from the image slider and display its information in the fragment. Now the information shows up but the image does not gets removed from the RecyclerView . Here is what I have coded

RecyclerView does not update after removing an item [duplicate]

由 徘徊边缘 提交于 2021-02-20 09:07:13
问题 This question already has answers here : How to update RecyclerView Adapter Data? (13 answers) Closed yesterday . I have a RecyclerView horizontal image slider at the bottom of a fragment. The top of the fragment shows some details. Once the user clicks on the images at the bottom, the idea is to remove that image from the image slider and display its information in the fragment. Now the information shows up but the image does not gets removed from the RecyclerView . Here is what I have coded

RecyclerView does not update after removing an item [duplicate]

由 狂风中的少年 提交于 2021-02-20 09:07:07
问题 This question already has answers here : How to update RecyclerView Adapter Data? (13 answers) Closed yesterday . I have a RecyclerView horizontal image slider at the bottom of a fragment. The top of the fragment shows some details. Once the user clicks on the images at the bottom, the idea is to remove that image from the image slider and display its information in the fragment. Now the information shows up but the image does not gets removed from the RecyclerView . Here is what I have coded

Programmatically enabling a custom keyboard

由 丶灬走出姿态 提交于 2021-02-20 09:06:52
问题 I've developed custom keyboard on android, and I want to add a button to enable my keyboard and redirect the user to the page of virtual keyboards or to page manage keyboards so that the user can just turn on my keyboard from there, for example similar to the one in "a.i.typekeyboard", kindly see the screenshot. 回答1: Just open input method settings activity using Intent . Intent enableIntent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); enableIntent.setFlags(Intent.FLAG_ACTIVITY_NEW

SQL Server等待事件—PAGEIOLATCH_EX

由 陌路散爱 提交于 2021-02-20 07:37:47
什么是 PAGEIOLATCH_EX 等待事件？ 下面我们将对 PAGEIOLATCH_EX 等待事件的相关资料做一个简单的归纳、整理。关于 PAGEIOLATCH_EX ，官方文档的简单介绍如下： PAGEIOLATCH_EX ： Occurs when a task is waiting on a latch for a buffer that is in an I/O request. The latch request is in Exclusive mode. Long waits may indicate problems with the disk subsystem. 在任务等待 I/O 请求中缓冲区的闩锁时发生。 闩锁请求处于 “ 独占 ” 模式。 长时间的等待可能指示磁盘子系统出现问题。 In SQL Server, a latch is a short-term lightweight synchronization object. Buffer latches including the PAGEIOLATCH_EX wait type are used to synchronize access to BUF structures and associated pages in the SQL Server database. The most

How to extract data from HTML page source of (a tab within) a webpage?

由 五迷三道 提交于 2021-02-20 06:21:10
问题 I have tried several solutions specified in other answers, like experimenting with different user agents (Chrome, safari etc), and getting HTML directly using HTTPClient and BufferedReader, but none of them work. How do I make the Android output similar as a web output? Here is the web output I am looking for; (View page source of https://finance.yahoo.com/quote/AAPL/financials?p=AAPL for full output - this basically contains the AJAX tab named "Quarterly" which contains a table . I need to
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