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如何更改启动屏幕 - App应用开发 - 清泛IT社区，为创新赋能！
...这个新建的login是在screen1后面，如何调换它们的位置，让APP启动时，先从login启动？无法指定启动的屏幕，默认就是特定的Screen1。两种思路：
1、使用“复制屏幕”功能将Screen1复制一份为主屏幕，原来的Screen1改为登录页。
2、S...
App编译apk后闪崩，AI伴侣正常 - 用户反馈 - 清泛IT社区，为创新赋能！
App编译apk后闪崩，AI伴侣正常
AppInventor2 vs Android Studio - App应用开发 - 清泛IT社区，为创新赋能！
有同学问：
如果用 AppInventor2 设计好了 回头出现问题用这个软件解决不了 是不是能用 Android Studio来重新编译呢？
不能，不同的源码体系。但是android studio工具可以调查部分app的通用问题，最终的apk他们是一致的，只是源码形...
- App应用开发 - 清泛IT社区，为创新赋能！
...全限制，不允许访问 DCIM 目录。
有的说加这个权限：<application android:requestLegacyExternalStorage="true"。
也有的说加也没用：https://www.cnblogs.com/SaraMoring/p/16587445.html
直接访问DCIM属于大概率会失败的方式，使用私有目录或a...
【研究中】高德地图API研究及接入 - App应用开发 - 清泛IT社区，为创新赋能！
...录、实名认证。
2、申请ApiKey：https://console.amap.com/dev/key/app
来个最简单案例：
通过经纬度获取地址的方法：https://lbs.amap.com/api/webservice/guide/api/georegeohttps://restapi.amap.com/v3/geocode/regeo?output=xml&location=116.310003,39.991957&key=<...
How can I access getSupportFragmentManager() in a fragment?
...
This will return android.app.Fragment. In some cases, you need android.support.app.v4.Fragment so it will not work all the time.
– codingpuss
Jan 25 '15 at 2:41
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What is two way binding?
...(say, by the user) are immediately reflected in the underlying model. When app data changes, so does the UI, and conversely.
This is a very solid concept to build a web application on top of, because it makes the "Model" abstraction a safe, atomic data source to use everywhere within the applicatio...
HTTP Error 503, the service is unavailable
...e user identity is outdated, especially if you've tried starting a stopped app pool and the next request again fails.
In IIS, go to the Application Pools under the Server, then find the correct Application Pool for your web site, and click on it. On the Advanced Settings menu to the right, select ...
Clear android application user data
Using adb shell to clear application data
7 Answers
7
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How to execute raw SQL in Flask-SQLAlchemy app
...te('SELECT * FROM my_table WHERE my_column = :val', {'val': 5})
All your application queries should be going through a session object, whether they're raw SQL or not. This ensures that the queries are properly managed by a transaction, which allows multiple queries in the same request to be commit...