小编Shu*_* K.的帖子

这是用户界面。下面是 main.dart 文件和错误消息\n\n我在 Flutter 应用程序中使用文本字段，它在虚拟键盘顶部给出了渲染弯曲错误。请检查下面的代码。\n在底部我添加了错误消息。\n之前我尝试了所有其他方法来解决该问题，但我不同意

import \'package:flutter/material.dart\';\nimport \'./transaction.dart\';\nimport \'package:intl/intl.dart\';\n\nvoid main() {\n  runApp(MyApp());\n}\n\nclass MyApp extends StatelessWidget {\n  @override\n  Widget build(BuildContext context) {\n    return MaterialApp(\n      title: \'Expenses Tracker\',\n      home: MyHomePage(),\n    );\n  }\n}\n\nclass MyHomePage extends StatelessWidget {\n  final List<Transaction> transactions = [\n    Transaction(\n      id: \'t1\',\n      title: \'New Shoes\',\n      amount: 87.25,\n      date: DateTime.now(),\n    ),\n    Transaction(\n      id: \'t2\',\n      title: \'Weekly Groceries\',\n      amount: 83.25,\n      date: DateTime.now(),\n    ),\n  ];\n\n  @override\n  Widget build(BuildContext context) {\n    return Scaffold(\n      appBar: AppBar(\n        title: Text(\'Expenses Tracker\'),\n      ),\n      body: Column(\n        children: …

我正在尝试在 build.gradle 文件中添加 Firebase。但是，它似乎不起作用。这是我的 build.gradle 文件，下面是错误。我什至查看了一些以前的堆栈溢出问题，但它们不起作用，所以请帮助我。！

apply plugin: 'com.android.application'
apply plugin: 'com.google.gms.google-services'
googleServices.disableVersionCheck = true
android {
    compileSdkVersion 29
    buildToolsVersion "30.0.1"

    defaultConfig {
        applicationId "com.teachbrowniesindia.textrecognizer"
        minSdkVersion 19
        targetSdkVersion 29
        versionCode 1
        versionName "1.0"

        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }

    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: "libs", include: ["*.jar"])
    implementation 'androidx.appcompat:appcompat:1.2.0'
    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
    implementation 'com.google.firebase:firebase-ml-vision:24.1.0'
    testImplementation 'junit:junit:4.13'
    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
    implementation 'com.google.android.gms:play-services-ads:19.3.0'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
}

错误

Duplicate class com.google.android.gms.internal.vision.zzf found in modules jetified-play-services-vision-20.0.0-runtime.jar (com.google.android.gms:play-services-vision:20.0.0) and …