您的小妾DataStore已经驾到，SharePreference离你而去

implementation("androidx.datastore:datastore:1.0.0-beta01")
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class App: Application() {
    companion object{
        val Context.dataStore: DataStore<Preferences> by preferencesDataStore(name = "settings")
    }
}
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val EXAMPLE_COUNTER = intPreferencesKey("example_counter")
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dataStore.edit { settings ->
            val currentCounterValue = settings[EXAMPLE_COUNTER] ?: 0
            settings[EXAMPLE_COUNTER] = currentCounterValue + 1
        }
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val exampleCounterFlow: Flow<Int> = dataStore.data
                .map { preferences ->
                    logEE(preferences[EXAMPLE_COUNTER].toString())//打印数据
                    preferences[EXAMPLE_COUNTER] ?: 0
                }
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implementation("androidx.datastore:datastore-preferences:1.0.0-beta01")
 implementation "com.google.protobuf:protobuf-javalite:3.10.0"
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protobuf {
    // 设置 protoc 的版本
    protoc {
        // //从仓库下载 protoc 这里的版本号需要与依赖 com.google.protobuf:protobuf-javalite:xxx 版本相同
        artifact = 'com.google.protobuf:protoc:3.10.0'
    }
    generateProtoTasks {
        all().each { task ->
            task.builtins {
                java {
                    option "lite"
                }
            }
        }
    }
    // 默认生成目录 $buildDir/generated/source/proto 通过 generatedFilesBaseDir 改变生成位置
    generatedFilesBaseDir = "$projectDir/src/main"
}
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sourceSets {
        main {
            proto {
                // proto 文件默认路径是 src/main/proto
                // 可以通过 srcDir 修改 proto 文件的位置
                srcDir 'src/main/proto'
            }
        }
    }
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id "com.google.protobuf" version "0.8.12"
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syntax = "proto3";
option java_package = "com.ananananzhuo.datastoredemo";//必须是自己的包名
option java_multiple_files = true;
message Settings {
  int32 example_counter = 1;
}
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object SettingsSerializer : Serializer<Settings> {
    override val defaultValue: Settings = Settings.getDefaultInstance()
    override suspend fun readFrom(input: InputStream): Settings {
        try {
            return Settings.parseFrom(input)
        } catch (exception: InvalidProtocolBufferException) {
            throw CorruptionException("Cannot read proto.", exception)
        }
    }
    override suspend fun writeTo(
        t: Settings,
        output: OutputStream
    ) = t.writeTo(output)
}
val Context.settingsDataStore: DataStore<Settings> by dataStore(
    fileName = "settings.pb",
    serializer = SettingsSerializer
)
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suspend fun incrementCounter() {
        settingsDataStore.updateData { currentSettings ->
            currentSettings.toBuilder()
                .setExampleCounter(currentSettings.exampleCounter + 1)
                .build()
        }
    }
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val exampleCounterFlow: Flow<Int> = settingsDataStore.data
                .map { settings ->
                    logEE(settings.exampleCounter.toString())//获取数据并打印
                    settings.exampleCounter
                }
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