使用scala编写Android项目

清疚 2022-06-17 22:53 194阅读 0赞

开发环境

Idea 10.5

Maven 3

pom.xml文件如下

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
        <modelVersion>4.0.0</modelVersion>
        <groupId>com.example</groupId>
        <artifactId>scala</artifactId>
        <version>1.0</version>
        <packaging>apk</packaging>
        <name>scala</name>
        <repositories>
            <repository>
                <id>scala-tools.org</id>
                <name>Scala-tools Maven2 Repository</name>
                <url>http://scala-tools.org/repo-releases</url>
            </repository>
        </repositories>
        <pluginRepositories>
            <pluginRepository>
                <id>scala-tools.org</id>
                <name>Scala-tools Maven2 Repository</name>
                <url>http://scala-tools.org/repo-releases</url>
            </pluginRepository>
        </pluginRepositories>
        <dependencies>
            <dependency>
                <groupId>com.google.android</groupId>
                <artifactId>android</artifactId>
                <version>2.2.1</version>
                <scope>provided</scope>
            </dependency>
            <dependency>
                <groupId>com.google.android</groupId>
                <artifactId>android-test</artifactId>
                <version>2.2.1</version>
                <scope>provided</scope>
            </dependency>
            <dependency>
                <groupId>org.scala-lang</groupId>
                <artifactId>scala-library</artifactId>
                <version>2.8.0</version>
            </dependency>
        </dependencies>
    
        <build>
            <plugins>
                <plugin>
                    <groupId>org.scala-tools</groupId>
                    <artifactId>maven-scala-plugin</artifactId>
                    <version>2.13.1</version>
                    <executions>
                        <execution>
                            <id>scala-compile-first</id>
                            <phase>process-resources</phase>
                            <goals>
                                <goal>add-source</goal>
                                <goal>compile</goal>
                            </goals>
                        </execution>
                        <execution>
                            <id>scala-test-compile</id>
                            <phase>process-test-resources</phase>
                            <goals>
                                <goal>testCompile</goal>
                            </goals>
                        </execution>
                    </executions>
                </plugin>
                <plugin>
                    <groupId>com.pyx4me</groupId>
                    <artifactId>proguard-maven-plugin</artifactId>
                    <version>2.0.4</version>
                    <executions>
                        <execution>
                            <phase>process-classes</phase>
                            <goals>
                                <goal>proguard</goal>
                            </goals>
                        </execution>
                    </executions>
                    <configuration>
                        <maxMemory>256m</maxMemory>
                        <injar>android-classes</injar>
                        <libs>
                            <lib>${rt.jar.path}</lib>
                        </libs>
                        <obfuscate>false</obfuscate>
                        <options>
                            <option>-keep public class * extends android.app.Activity</option>
                            <option>-keep public class * extends android.app.Application</option>
                            <option>-keep public class * extends android.app.Service</option>
                            <option>-keep public class * extends android.content.BroadcastReceiver</option>
                            <option>-keep public class * extends android.content.ContentProvider</option>
                            <option>-dontskipnonpubliclibraryclasses</option>
                            <option>-dontoptimize</option>
                            <option>-printmapping map.txt</option>
                            <option>-printseeds seed.txt</option>
                            <option>-ignorewarnings</option>
                        </options>
                    </configuration>
                </plugin>
    
                <plugin>
                    <groupId>com.jayway.maven.plugins.android.generation2</groupId>
                    <artifactId>maven-android-plugin</artifactId>
                    <version>2.8.4</version>
                    <configuration>
                        <sdk>
                            <platform>8</platform>
                        </sdk>
                        <emulator>
                            <avd>Android2.2</avd>
                        </emulator>
                        <deleteConflictingFiles>true</deleteConflictingFiles>
                        <undeployBeforeDeploy>true</undeployBeforeDeploy>
                    </configuration>
                    <extensions>true</extensions>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>2.3</version>
                </plugin>
            </plugins>
        </build>
    
             <properties>
                    <rt.jar.path>${env.JAVA_HOME}/jre/lib/rt.jar</rt.jar.path>
                    <jsse.jar.path>${env.JAVA_HOME}/jre/lib/jsse.jar</jsse.jar.path>
                </properties>
    
    </project>

如果遇到以下问题

\[ERROR\] Failed to execute goal com.jayway.maven.plugins.android.generation2:maven-android-plugin:2.8.4:dex (default-dex) on project scala: MojoExecutionException: ANDROID-040-001: Could not execute: Command = cmd.exe /X /C "D:\\Java\\androidSdk\\platform-tools\\dx.bat --dex --output=D:\\Java\\IDEA\\Project\\scalatest\\scala\\target\\classes.dex D:\\Java\\IDEA\\Project\\scalatest\\scala\\target\\android-classes", Result = 2 -> \[Help 1\]

是因为pom.xml文件中缺少proguard组件（shift!为啥一定要混淆。。不混淆就不能用啦）