大约有 40,000 项符合查询结果（耗时：0.0276秒） [XML]
What is android:ems attribute in Edit Text? [duplicate]
In EditText there is an attribute named android:ems . The description
is "Makes the EditText be exactly this many ems wide"
...
BLE（五）移动端工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
文章源自：https://www.gandalf.site/2018/12/ble.html
0x1 Android手机抓取app蓝牙数据0x11 Android蓝牙HCI日志在部分Android机型为开发人员提供了保存蓝牙日志的选项，即可保存手机向设备发送的数据和设备响应的数据，打开方式如下：
开发...
HAXM 安装/启动失败？ - App Inventor 2 离线版 - 清泛IT社区，为创新赋能！
报错如下：
emulator: Android emulator version 30.3.5.0 (build_id 7033400) (CL:N/A)
127.0.0.1 - - [01/Apr/2025 16:55:37] "GET /echeck/ HTTP/1.1" 200 39
handleCpuAcceleration: feature check for hvf
emulator: ERROR: x86_64 emulation currently requires hardware acceleration!
CPU accel...
The apk must be signed with the same certificates as the previous version
I had uploaded my app to Google Play (back when it was called Android Market) some time ago.
11 Answers
...
Android: How can I pass parameters to AsyncTask's onPreExecute()?
...sk<>, see detail here. I think it is the best explanation.
Google's Android Documentation Says that :
An asynchronous task is defined by 3 generic types, called Params, Progress and Result, and 4 steps, called onPreExecute, doInBackground, onProgressUpdate and onPostExecute.
AsyncTask's gen...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
In android, a fragment (say FragA ) gets added to the backstack and another fragment (say FragB ) comes to the top. Now on hitting back FragA comes to the top and the onCreateView() is called. Now I had FragA in a particular state before FragB got pushed on top of it.
...
Android “Only the original thread that created a view hierarchy can touch its views.”
I've built a simple music player in Android. The view for each song contains a SeekBar, implemented like this:
27 Answers
...
How do popular apps authenticate user requests from their mobile app to their server?
Say I have an Android application that connects to a .Net API for receiving/setting data. The confusion that I have is regarding how to sign-up/login the user first time and authenticate it every time they make a request to the API.
...
How can I put a ListView into a ScrollView without it collapsing?
... characteristics and use cases (or anti-patterns) like this. Overall, the Android documentation is far more distributed and less focused. I understand there are some reasons behind that, but that's a long discussion, so if you feel compelled to chat about it let me know.
– Do...
How can I request the vibrate permission?
How can I request the vibrate permission in my Android application?
2 Answers
2
...