feat: implement the devices command

src/commands/devices.rs

@@ -0,0 +1,16 @@
+use anyhow::{bail, Result};
+use clap::Parser;
+
+#[derive(Parser, Debug)]
+pub struct Devices {}
+
+pub fn handle(_args: Devices) -> Result<()> {
+    // Try to run adb devices
+    let query_status = android_cli::query_devices()?;
+
+    if !query_status.success() {
+        bail!("failed to query devices");
+    }
+
+    Ok(())
+}

src/commands/mod.rs

@@ -3,3 +3,4 @@ pub mod create;
 pub mod install;
 pub mod run;
 pub mod launch;
+pub mod devices;

src/lib.rs

@@ -144,3 +144,7 @@ pub fn launch_activity(package_id: String, activity_name: String) -> Result<Exit
     ])
     .context("failed to invoke adb command")?)
 }
+
+pub fn query_devices() -> Result<ExitStatus> {
+    Ok(invoke_adb_command(&["devices"]).context("failed to invoke adb command")?)
+}

src/main.rs

@@ -19,7 +19,8 @@ enum SubCommand {
     Build(commands::build::Build),
     Install(commands::install::Install),
     Run(commands::run::Run),
-    Launch(commands::launch::Launch)
+    Launch(commands::launch::Launch),
+    Devices(commands::devices::Devices)
 }
 
 fn main() {
@@ -33,7 +34,8 @@ fn main() {
         SubCommand::Build(args) => commands::build::handle(args),
         SubCommand::Install(args) => commands::install::handle(args),
         SubCommand::Run(args) => commands::run::handle(args),
-        SubCommand::Launch(args) => commands::launch::handle(args)
+        SubCommand::Launch(args) => commands::launch::handle(args),
+        SubCommand::Devices(args) => commands::devices::handle(args)
     };
 
     if result.is_err() {