liusilong

// ----- index.wxml
<!--index.wxml-->
<view class="container">
  <view 
  class="usermotto" 
  style="position: absolute; left: {{left}}px; top: {{top}}px;" 
  bindtouchstart="touchStart"
  bindtouchmove="touchMove"
  bindtouchend="touchEnd"

liusilong

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';

class RiverPodDemoPage extends ConsumerStatefulWidget {
  @override
  _RiverPodDemoPageState createState() => _RiverPodDemoPageState();
}

class _RiverPodDemoPageState extends ConsumerState<RiverPodDemoPage> {
  @override

liusilong

class _CustomColumnSeriesRenderer extends ColumnSeriesRenderer {
  @override
  ChartSegment createSegment() {
    return _ColumnCustomPainter();
  }
}
class _ColumnCustomPainter extends ColumnSegment {

  Paint _fillPaint = Paint();

liusilong

class _CustomLineSeriesRenderer extends ColumnSeriesRenderer {

  @override
  ChartSegment createSegment() {
    return _ColumnLinePainter();
  }
}
class _ColumnLinePainter extends ColumnSegment {
  
  Paint _fillPaint = Paint();

liusilong

import 'dart:async';

import 'package:flutter/services.dart';

class Flutterplugin17 {
  static const MethodChannel _channel =
      const MethodChannel('flutterplugin17');

  static Future<String> get platformVersion async {
    final String version = await _channel.invokeMethod('getPlatformVersion');

liusilong

package com.lsl.flutterplugin17;

import android.util.Log;

import java.lang.reflect.Method;

/**
 * Created by liusilong on 2020/5/9.
 * version:1.0
 * Describe:

liusilong

package com.lsl.flutterplugin17;

import androidx.annotation.NonNull;

import io.flutter.embedding.engine.plugins.FlutterPlugin;
import io.flutter.plugin.common.MethodCall;
import io.flutter.plugin.common.MethodChannel;
import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
import io.flutter.plugin.common.MethodChannel.Result;
import io.flutter.plugin.common.PluginRegistry.Registrar;

liusilong

public class Demo1 {

    public static void main(String[] args) {
        MyBouncedBuffered bouncedBuffered = new MyBouncedBuffered();

        Thread putThread = new Thread(() -> {
            while (true) {
                String value = String.valueOf(new Random().nextInt(100));
                try {
                    bouncedBuffered.put(value);

liusilong

import 'package:flutter/material.dart';

class GetWidgetWidthAndHeiget extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: HomePage(),
    );
  }
}

liusilong

Stingy(
  child: RaisedButton(
    child: Text('Hello there..'),
    onPressed: () {
      print('It\'s been so long..');
    },
  )
)