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App Inventor Tutorials and Examples: Dynamic Table Layout | Pura Vida Apps
...s and/or columns! Note: there seems to be an issue with the new Android System Webview update on some devices. See Boban's tip here how to solve it. Thank you Boban! You also might be interested in my editable(!) dynamic table layout example! New in Versio...
拓展开发：@UsesPermissions(permissionNames 多个权限怎么写？ - App Inve...
这样就行，逗号分开：
@UsesPermissions(permissionNames = "android.permission.INTERNET, android.permission.RECORD_AUDIO, android.permission.CAMERA")
App Inventor 2 PhoneInfo 拓展：获取手机等设备软硬件、版本等相关信息 ·...
...下载：
PhoneInfo.aia
使用方法
GetDeviceID
获取设备ID。Android 10+不支持！
GetPhoneNumber
获取本机手机号码。无SIM卡设备将返回空文本；双SIM卡设备将返回主卡号码。Android 10+不支持！
注：这个方法采用的是较常规的方式获取信...
TaifunFlashlight 手电筒/闪光灯拓展 - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
一个用于打开/关闭手电筒的扩展插件，所需要的权限：
android.permission.CAMERA（注：拍摄照片和视频）
android.permission.FLASHLIGHT（注：控制手电筒）
要至少11级的API（即Android 3.0.0以上）
属性
返回设备是否有闪光灯
过程
...
蓝牙接收的数据怎么一行一行更新显示和，类似图2这样的 - App应用开发 - 清...
...还在写 为什么现在app出现运行故障 弹出来：Need android.permission.BLUETOOTH_SCAN permission for android.content.AttributionSource@d5ca151a: GattService registerScanner
注意： 5秒钟后将报告另一条错误信息。liangzhi123 发表于 2024-12-06 16:04
这个还...
Validating URL in Java
...
Use the android.webkit.URLUtil on android:
URLUtil.isValidUrl(URL_STRING);
Note: It is just checking the initial scheme of URL, not that the entire URL is valid.
...
Offset a background image from the right using CSS
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It works now on mobile devices (checked on Android, iOS and WindowsPhone). Still Safari 5.1.7 not support background position given like here.
– Szorstki
Apr 15 '14 at 13:33
...
Draw in Canvas by finger, Android
...aw line use Bitmap, Canvas, and Paint class.
draw-line-on-finger-touch and
androiddraw
here one simple class to draw line using canvas as show below.
public class TestLineView extends View {
private Paint paint;
private PointF startPoint, endPoint;
private boolean isDrawing;
...
App Inventor 2 AI伴侣有电脑版的吗? - App Inventor 2 中文网 - 清泛网 - 专注C/C++及内核技术
...ct.html各种连接方式的特点：连接方式测试介质特点AI伴侣Android手机特别适合小朋友...有，但是不好用，不建议使用。参考中文文档：https://www.fun123.cn/reference/creative/connect.html
各种连接方式的特点：
连接方式
测...
Hex transparency in colors [duplicate]
...
I appreciate that the OP had the android tag, but this proofs useful in iOS as well if you use an extension. Anyway the reason for the comment is that if you use translucent colours on your navigation bar, then use 85% to match the colour of the UIStatusbar ...