Question

该应用在调试模式下运行良好，但是在安装到我的Android手机中后，在发布模式下无法显示主体。我使用flutter build apk --split-per-abi构建并复制了输出apk文件之一，以安装在手机中。需要帮助。谢谢。

import 'dart:math' as math;
import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
// This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Earth',
      theme: ThemeData(
          primarySwatch: Colors.blue, scaffoldBackgroundColor: Colors.white),
      home: MyHomePage(title: 'Earth'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);
  final String title;
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage>
    with SingleTickerProviderStateMixin {
  AnimationController _controller;
  @override
  void initState() {
// Create animation controller.
    _controller =
        AnimationController(duration: const Duration(seconds: 10), vsync: this)
          ..addListener(() {
            setState(() {
// Force build.
            });
          })
          ..addStatusListener((AnimationStatus status) {
            if (status == AnimationStatus.dismissed) {
              _controller.forward();
            } else if (status == AnimationStatus.completed) {
              _controller.reverse();
            }
          });
// Start animation automatically.
    _controller.forward(from: 0.0);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Center(
          child: Transform.scale(
              scale: 1.6,
              child: Transform.rotate(
                  angle: math.pi * _controller.value, // rotate animation
                  child: Image.network(
                      "https://ak7.picdn.net/shutterstock/videos/3010597/thumb/1.jpg")))),
    );
  }
}

Answer 1

问题已解决：将此添加到\ android \ app \ src \ main \ androidmanifest.xml

class WarningWithStacktrace extends ErrorException {}
set_error_handler(function($severity, $message, $file, $line) {
    if ((error_reporting() & $severity)) {
        if ($severity & (E_WARNING | E_NOTICE | E_USER_WARNING | E_USER_NOTICE)) {
            $ex = new WarningWithStacktrace($message, 0, $severity, $file, $line);
            echo "\n" . $ex . "\n\n";
            return true;
        } else {
            throw new ErrorException($message, 0, $severity, $file, $line);
        }
    }
});

为什么在发布模式下转换无法正常工作

1 个答案: