app_long_press

This tool on every surface: CLI · MCP · Python · JavaScript · Go · Java · .NET

Press and hold an element or a point — the gesture that opens context menus and starts drag-and-drop.

Changes the device, the app or the session: readOnlyHint is false.

Arguments

Name	Type	Required	What it is
device	string		Device serial to target, e.g. "emulator-5554". Omit when only one device is running.
driver	string: uiautomator2, uiautomator, wda		Driver to use: "uiautomator2" (default for Android; fast, installs a server APK on first use), "uiautomator" (Android, installs nothing, slower, cannot type), or "wda" (WebDriverAgent: iOS simulators and iPhones).
duration_ms	integer		Hold time; default 800. Default 800.
target	string		A ref from app_map ("@e5") or a locator.
x	integer		X in device pixels, instead of target.
y	integer		Y in device pixels, instead of target.

Examples

Each is the arguments of a tools/call request; the first is shown whole.

Press and hold for two seconds

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "app_long_press",
    "arguments": {
      "target": "@e4",
      "duration_ms": 2000
    }
  }
}

On a device

Before	After

mobium long-press testid=pressTarget on an Android 15 emulator