feat: impl the install command

Allows the user to run `android install` and it will automatically install the apk to the currently connected device.

src/commands/install.rs

@@ -0,0 +1,30 @@
+use std::path::PathBuf;
+
+use clap::{ArgAction, Parser};
+
+#[derive(Parser, Debug)]
+pub struct Install {
+    /// Should install release APK
+    #[clap(short, long, default_value="false", action = ArgAction::SetTrue)]
+    release: bool,
+}
+
+pub fn handle(args: Install) {
+    let output_dir = PathBuf::from("app/build/outputs/apk");
+
+    let apk_path = match args.release {
+        true => output_dir.join("release/app-release.apk"),
+        false => output_dir.join("debug/app-debug.apk")
+    };
+
+    let status = android_cli::invoke_adb_command(&[
+        "install",
+        apk_path.to_str().unwrap()
+    ])
+    .unwrap();
+
+    match status.success() {
+        true => println!("Successfully installed APK."),
+        false => eprintln!("Failed to install APK"),
+    };
+}

src/commands/mod.rs

@@ -1,2 +1,3 @@
 pub mod create;
 pub mod build;
+pub mod install;

src/lib.rs

@@ -11,6 +11,8 @@ use std::{
 
 use utils::find_gradle;
 
+use crate::utils::find_adb;
+
 const DEFAULT_TEMPLATE_REPO: &str = "https://github.com/SyedAhkam/android-cli-template";
 const TEMPLATE_REV: &str = "master";
 
@@ -50,3 +52,20 @@ pub fn invoke_gradle_command(cmd: &str) -> Result<ExitStatus, Box<dyn std::error
 
     Ok(run.status()?)
 }
+
+pub fn invoke_adb_command(args: &[&str]) -> Result<ExitStatus, Box<dyn std::error::Error>> {
+    let adb_path = find_adb().expect("ERROR: ADB not found on system");
+
+    let mut run = Command::new(adb_path);
+    run.args(args);
+
+    println!(
+        "Invoking ADB: {} {}",
+        &run.get_program().to_string_lossy(),
+        &run.get_args()
+            .map(|arg| arg.to_string_lossy())
+            .join(" ")
+    );
+
+    Ok(run.status()?)
+}

src/main.rs

@@ -16,7 +16,8 @@ struct Cli {
 #[derive(Subcommand, Debug)]
 enum SubCommand {
     Create(commands::create::Create),
-    Build(commands::build::Build)
+    Build(commands::build::Build),
+    Install(commands::install::Install)
 }
 
 fn main() {
@@ -27,6 +28,7 @@ fn main() {
 
     match args.command {
         SubCommand::Create(args) => commands::create::handle(args),
-        SubCommand::Build(args) => commands::build::handle(args)
+        SubCommand::Build(args) => commands::build::handle(args),
+        SubCommand::Install(args) => commands::install::handle(args)
     }
 }

src/utils.rs

@@ -18,3 +18,11 @@ pub fn find_gradle() -> Option<String> {
 
     None
 }
+
+pub fn find_adb() -> Option<String> {
+    if which("adb").is_ok() {
+        return Some("adb".to_owned());
+    }
+
+    None
+}