flutter-plugin

How to load Image widgets from ByteData in Flutter

由 这一生的挚爱 提交于 2020-01-25 09:57:08
问题 The multi_image_picker: 2.4.11 plugin returns a List<Asset> , each Asset having an imageData property that is a ByteData . How can I show these in Flutter? 回答1: You can use the Image.memory constructor. List<Asset> assets = ...; // use multi_image_picker to get the assets return ListView.builder( padding: EdgeInsets.all(8.0), itemExtent: assets.length, itemBuilder: (BuildContext context, int index) { return Image.memory(assets[index].imageData.buffer.asUint8List()); }, ); 来源： https:/

Scrolling priority when combining horizontal scrolling with WebView

由 与世无争的帅哥 提交于 2020-01-22 19:03:15
问题 I have a vertically scrolling WebView inside a horizontally scrolling PageView . Something like this: PageView.builder( itemCount: 5, itemBuilder: (context, index) { return WebView( initialUrl: 'https://flutter.dev/docs', gestureRecognizers: [ Factory(() => VerticalDragGestureRecognizer()), ].toSet(), ); }, ); With the previous stable version of Flutter (1.5.4), this worked as expected - scrolling vertically would move the content inside the WebView and scrolling horizontally would move the

Scrolling priority when combining horizontal scrolling with WebView

由 风流意气都作罢 提交于 2020-01-22 19:02:49
问题 I have a vertically scrolling WebView inside a horizontally scrolling PageView . Something like this: PageView.builder( itemCount: 5, itemBuilder: (context, index) { return WebView( initialUrl: 'https://flutter.dev/docs', gestureRecognizers: [ Factory(() => VerticalDragGestureRecognizer()), ].toSet(), ); }, ); With the previous stable version of Flutter (1.5.4), this worked as expected - scrolling vertically would move the content inside the WebView and scrolling horizontally would move the

Flutter Plugin Android Dependency Cannot Resolve

由 丶灬走出姿态 提交于 2020-01-14 03:46:37
问题 I am creating a new plugin for flutter, which requires import com.google.android.gms.auth.api.Auth; cannot resolve the above i have tried many things to implement the library, but no success. i have attached the screenshot also Gradle file buildscript { repositories { google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:3.2.1' } } rootProject.allprojects { repositories { google() jcenter() } } allprojects { repositories { google() jcenter() } } apply plugin: 'com

How to create a Flutter plugin that works in another Flutter project?

由 旧时模样 提交于 2020-01-13 19:20:44
问题 I have a Flutter plugin successfully running on my newly created Flutter-plugin project. And both worlds, iOS and Android, are able to run the example/lib/main.dart example-code of this Flutter-plugin successfully. However, once I try to use the plugin in another Flutter project, that's when things crash. So far, I have tried two ways of how to integrate my self-written plugin into another Flutter project: Inside my Flutter project (the one I try to use the plugin inside), I go to the pubspec

Add # sign in tel uri using Url_launcher

由 邮差的信 提交于 2019-12-24 08:03:24
问题 In flutter app i am using Url_launcher dependency to open phone application with content to dial using following function Url_launcher.launch("tel:\*5*250#" ). It does open the application but # symbol is not dialed in there else everything works ok ... Any workaround to include # ??? 回答1: I found this issue only on Android devices. It works on iOS. You need to use URL encoding for special character in a URL. So # equals % 23 This will work launch('tel:\*5*250\%23'); This answer helped me.

How to enable Swift support for existing project in flutter

由 谁都会走 提交于 2019-12-21 07:27:21
问题 I want to know if there is a way to enable swift support for flutter project. I only enabled Kotlin support while creating the project. I need to enable Swift too. Is there a command I can execute or any setting in flutter plugin for Android studio where I can enable or is there is an option to enable in Xcode? This is what I want to do but for existing Flutter project 回答1: Delete existing ios folder from root of flutter project. Run this command flutter create -i swift . This command will

File Copy Flutter Plugin in Android with Kotlin

由 痴心易碎 提交于 2019-12-11 10:40:09
问题 Trying to create a Flutter plugin that copies an asset file to the native Application Documents Folder. For iOS, I achieved this by the following code (see below). However, since I do not have much knowledge of the Android architecture, I would like to know how my Android MethodChannel code should look like. My Android part of this Flutter plugin needs to be in KOTLIN ! I need a file copy from the Android assets folder to the Documents Folder of Android - all this done inside the Flutter

Flutter Plugin Android Dependency Cannot Resolve

由 落爺英雄遲暮 提交于 2019-12-08 14:06:34
I am creating a new plugin for flutter, which requires import com.google.android.gms.auth.api.Auth; cannot resolve the above i have tried many things to implement the library, but no success. i have attached the screenshot also Gradle file buildscript { repositories { google() jcenter() } dependencies { classpath 'com.android.tools.build:gradle:3.2.1' } } rootProject.allprojects { repositories { google() jcenter() } } allprojects { repositories { google() jcenter() } } apply plugin: 'com.android.library' android { compileSdkVersion 27 defaultConfig { minSdkVersion 16 testInstrumentationRunner

How to access camera frames in flutter quickly

由 爱⌒轻易说出口 提交于 2019-12-07 02:49:03
问题 I would like to implement near real-time OCR on the camera feed of my flutter app. To do this I would like to access the camera data in a speedy manner. As far as I can tell I have two options, and have hit roadblocks with both: Take a screenshot of the CameraPreview by putting a RepaintBoundary around it and creating a RenderRepaintBoundary , and calling boundary.toImage() . The problem with this method is that the .toImage method only seems to capture the painted widgets in the boundary and
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