關於最新版本的flutter在安卓打包的問題解決方法

1.集成友盟push提示androidx版本號不一致,需在gradle文件中手動選擇便可,以下android

 1 buildscript {
 2     repositories {
 3         google()
 4         jcenter()
 5         maven { url 'https://dl.bintray.com/umsdk/release' }
 6     }
 7 
 8     dependencies {
 9         classpath 'com.android.tools.build:gradle:3.2.1'
10     }
11 
12     subprojects {
13         //根據提示使用對應的版本
14         project.configurations.all {
15             resolutionStrategy.eachDependency { details ->
16                 if (details.requested.group == 'com.android.support'
17                         && !details.requested.name.contains('multidex') ) {
18                     details.useVersion "27.1.1"
19                 }
20 
21                 if (details.requested.group == 'androidx.core'
22                         && !details.requested.name.contains('androidx') ) {
23                     details.useVersion "1.0.0"
24                 }
25                 if (details.requested.group == 'androidx.coordinatorlayout'
26                         && !details.requested.name.contains('androidx') ) {
27                     details.useVersion "1.0.0"
28                 }
29                 if (details.requested.group == 'androidx.documentfile'
30                         && !details.requested.name.contains('androidx') ) {
31                     details.useVersion "1.0.0"
32                 }
33                 if (details.requested.group == 'androidx.print'
34                         && !details.requested.name.contains('androidx') ) {
35                     details.useVersion "1.0.0"
36                 }
37                 if (details.requested.group=='androidx.arch.core' ) {
38                     details.useVersion "2.0.0"
39                 }
40                 if (details.requested.group=='androidx.drawerlayout' ) {
41                     details.useVersion "1.0.0"
42                 }
43                 if (details.requested.group=='androidx.fragment' ) {
44                     details.useVersion "1.0.0"
45                 }
46             }
47         }
48     }
49 
50 }
51 
52 allprojects {
53     repositories {
54         google()
55         jcenter()
56         maven { url 'https://dl.bintray.com/umsdk/release' }
57     }
58 }
59 
60 rootProject.buildDir = '../build'
61 subprojects {
62     project.buildDir = "${rootProject.buildDir}/${project.name}"
63 }
64 subprojects {
65     project.evaluationDependsOn(':app')
66 }
67 
68 task clean(type: Delete) {
69     delete rootProject.buildDir
70 }

2.打包的時候找不到libflutter.so文件架構

這是對應平臺的so文件不存在形成的,方法是隻選擇一種平臺,通常手機對支持armv7架構,因此在app的build.gradle下設置ndk過濾就好app

1  ndk {
2             //選擇要添加的對應cpu類型的.so庫。
3              abiFilters 'armeabi-v7a'
4 //            abiFilters 'arm64-v8a'
5             // 還能夠添加 'x86', 'x86_64', 'mips', 'mips64', 'armeabi', 'armeabi-v7a', 'arm64-v8a'
6         }

可是有個問題,最新的flutter默認只打64位的包,armv7的也會找不到那個so,這個時候就須要改flutter的編譯環境了maven

在如下目錄找到flutter.gradleide

/flutter/packages/flutter_tools/gradle/flutter.gradle

而後找到465行的 getTargetPlatforms方法,修改成以下便可gradle

    //whh 獲取目標平臺
    private List<String> getTargetPlatforms() {//whh 不管如何配置,都只返回arm32和64位的so
        // if (!project.hasProperty('target-platform')) {
            return DEFAULT_PLATFORMS
        // }
        // return project.property('target-platform').split(',').collect {
        //     if (!PLATFORM_ARCH_MAP[it]) {
        //         throw new GradleException("Invalid platform: $it.")
        //     }
        //     return it
        // }
    }

固然你能夠按照代碼的邏輯把target-platform放到一個配置文件裏,只不過我沒時間去找這個配置文件是在哪裏寫的,若是有興趣,歡迎補充ui

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