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use crate::error::Error; use crate::manifest::Manifest; use cargo_subcommand::{Artifact, CrateType, Profile, Subcommand}; use ndk_build::apk::{Apk, ApkConfig}; use ndk_build::cargo::{cargo_apk, VersionCode}; use ndk_build::config::Config; use ndk_build::dylibs::get_libs_search_paths; use ndk_build::error::NdkError; use ndk_build::ndk::Ndk; use ndk_build::target::Target; use std::path::PathBuf; use std::process::Command; pub struct ApkBuilder<'a> { cmd: &'a Subcommand, ndk: Ndk, manifest: Manifest, build_dir: PathBuf, build_targets: Vec<Target>, } impl<'a> ApkBuilder<'a> { pub fn from_subcommand(cmd: &'a Subcommand) -> Result<Self, Error> { let ndk = Ndk::from_env()?; let manifest = Manifest::parse_from_toml(cmd.manifest())?; let build_targets = if let Some(target) = cmd.target() { vec![Target::from_rust_triple(target)?] } else if !manifest.build_targets.is_empty() { manifest.build_targets.clone() } else { vec![ndk.detect_abi().unwrap_or(Target::Arm64V8a)] }; let build_dir = dunce::simplified(cmd.target_dir()) .join(cmd.profile()) .join("apk"); Ok(Self { cmd, ndk, manifest, build_dir, build_targets, }) } pub fn build(&self, artifact: &Artifact) -> Result<Apk, Error> { let package_name = match artifact { Artifact::Root(name) => format!("rust.{}", name.replace("-", "_")), Artifact::Example(name) => format!("rust.example.{}", name.replace("-", "_")), }; let package_label = self .manifest .metadata .apk_label .as_deref() .unwrap_or(artifact.name()) .to_string(); let config = Config { ndk: self.ndk.clone(), build_dir: self.build_dir.join(artifact), package_name, package_label, version_name: self.manifest.version.clone(), version_code: VersionCode::from_semver(&self.manifest.version)?.to_code(1), split: None, target_name: artifact.name().replace("-", "_"), debuggable: *self.cmd.profile() == Profile::Dev, assets: self.manifest.assets.as_ref().map(|assets| { self.cmd .manifest() .parent() .expect("invalid manifest path") .join(&assets) }), res: self.manifest.res.clone(), }; let config = ApkConfig::from_config(config, self.manifest.metadata.clone()); let apk = config.create_apk()?; for target in &self.build_targets { let triple = target.rust_triple(); let build_dir = dunce::simplified(self.cmd.target_dir()) .join(triple) .join(self.cmd.profile()); let artifact = build_dir .join(artifact) .join(artifact.file_name(CrateType::Cdylib, &triple)); let target_sdk_version = config.manifest.target_sdk_version; let mut cargo = cargo_apk(&config.ndk, *target, target_sdk_version)?; cargo.arg("build"); if self.cmd.target().is_none() { cargo.arg("--target").arg(triple); } cargo.args(self.cmd.args()); if !cargo.status()?.success() { return Err(NdkError::CmdFailed(cargo).into()); } let mut libs_search_paths = get_libs_search_paths(&self.cmd.target_dir(), triple, self.cmd.profile().as_ref())?; libs_search_paths.push(build_dir.join("deps")); let libs_search_paths = libs_search_paths .iter() .map(|path| path.as_path()) .collect::<Vec<_>>(); apk.add_lib_recursively(&artifact, *target, libs_search_paths.as_slice())?; } Ok(apk.align()?.sign(config.ndk.debug_key()?)?) } pub fn run(&self, artifact: &Artifact) -> Result<(), Error> { let apk = self.build(artifact)?; apk.install()?; apk.start()?; Ok(()) } pub fn gdb(&self, artifact: &Artifact) -> Result<(), Error> { self.run(artifact)?; let abi = self.ndk.detect_abi()?; let target_dir = self.build_dir.join(artifact); let jni_dir = target_dir.join("jni"); std::fs::create_dir_all(&jni_dir)?; std::fs::write( jni_dir.join("Android.mk"), format!("APP_ABI=\"{}\"\nTARGET_OUT=\"\"\n", abi.android_abi()), )?; Command::new("ndk-gdb").current_dir(target_dir).status()?; Ok(()) } pub fn default(&self) -> Result<(), Error> { let ndk = Ndk::from_env()?; let target_sdk_version = self .manifest .metadata .target_sdk_version .unwrap_or_else(|| ndk.default_platform()); for target in &self.build_targets { let mut cargo = cargo_apk(&ndk, *target, target_sdk_version)?; cargo.args(self.cmd.args()); if !cargo.status()?.success() { return Err(NdkError::CmdFailed(cargo).into()); } } Ok(()) } }