linux adb 屏幕投射,scrcpy: scrcpy 就是通过 adb 调试的方式来将手机屏幕投到电脑上，并可以通过电脑控制您的 Android 设备...

scrcpy (v1.12.1)

This application provides display and control of Android devices connected on

USB (or over TCP/IP). It does not require any root access.

It works on GNU/Linux, Windows and macOS.

It focuses on:

lightness (native, displays only the device screen)

performance (30~60fps)

quality (1920×1080 or above)

low latency (35~70ms)

low startup time (~1 second to display the first image)

non-intrusiveness (nothing is left installed on the device)

Requirements

The Android device requires at least API 21 (Android 5.0).

Make sure you enabled adb debugging on your device(s).

On some devices, you also need to enable an additional option to

control it using keyboard and mouse.

Get the app

Linux

In Debian (testing and sid for now):

apt install scrcpy

A Snap package is available: scrcpy.

For Arch Linux, an AUR package is available: scrcpy.

For Gentoo, an Ebuild is available: scrcpy/.

You could also build the app manually (don't worry, it's not that

hard).

Windows

For Windows, for simplicity, prebuilt archives with all the dependencies

(including adb) are available:

scrcpy-win32-v1.12.1.zip

(SHA-256: 0f4b3b063536b50a2df05dc42c760f9cc0093a9a26dbdf02d8232c74dab43480)

scrcpy-win64-v1.12.1.zip

(SHA-256: 57d34b6d16cfd9fe169bc37c4df58ebd256d05c1ea3febc63d9cb0a027ab47c9)

It is also available in Chocolatey:

choco installscrcpy

You need adb, accessible from your PATH. If you don't have it yet:

choco installadb

macOS

The application is available in Homebrew. Just install it:

brew installscrcpy

You need adb, accessible from your PATH. If you don't have it yet:

brew cask installandroid-platform-tools

Run

Plug an Android device, and execute:

scrcpy

It accepts command-line arguments, listed by:

scrcpy --help

Features

Capture configuration

Reduce size

Sometimes, it is useful to mirror an Android device at a lower definition to

increase performance.

To limit both the width and height to some value (e.g. 1024):

scrcpy --max-size 1024

scrcpy -m 1024 # short version

The other dimension is computed to that the device aspect ratio is preserved.

That way, a device in 1920×1080 will be mirrored at 1024×576.

Change bit-rate

The default bit-rate is 8 Mbps. To change the video bitrate (e.g. to 2 Mbps):

scrcpy --bit-rate 2M

scrcpy -b 2M # short version

Limit frame rate

On devices with Android >= 10, the capture frame rate can be limited:

scrcpy --max-fps 15

Crop

The device screen may be cropped to mirror only part of the screen.

This is useful for example to mirror only one eye of the Oculus Go:

scrcpy --crop 1224:1440:0:0 # 1224x1440 at offset (0,0)

If --max-size is also specified, resizing is applied after cropping.

Recording

It is possible to record the screen while mirroring:

scrcpy --record file.mp4

scrcpy -r file.mkv

To disable mirroring while recording:

scrcpy --no-display --record file.mp4

scrcpy -Nr file.mkv

# interrupt recording with Ctrl+C

# Ctrl+C does not terminate properly on Windows, so disconnect the device

"Skipped frames" are recorded, even if they are not displayed in real time (for

performance reasons). Frames are timestamped on the device, so packet delay

variation does not impact the recorded file.

Connection

Wireless

Scrcpy uses adb to communicate with the device, and adb can connect to a

device over TCP/IP:

Connect the device to the same Wi-Fi as your computer.

Get your device IP address (in Settings → About phone → Status).

Enable adb over TCP/IP on your device: adb tcpip 5555.

Unplug your device.

Connect to your device: adb connect DEVICE_IP:5555 (replace DEVICE_IP).

Run scrcpy as usual.

It may be useful to decrease the bit-rate and the definition:

scrcpy --bit-rate 2M --max-size 800

scrcpy -b2M -m800 # short version

Multi-devices

If several devices are listed in adb devices, you must specify the serial:

scrcpy --serial 0123456789abcdef

scrcpy -s 0123456789abcdef # short version

If the device is connected over TCP/IP:

scrcpy --serial 192.168.0.1:5555

scrcpy -s 192.168.0.1:5555 # short version

You can start several instances of scrcpy for several devices.

SSH tunnel

To connect to a remote device, it is possible to connect a local adb client to

a remote adb server (provided they use the same version of the adb

protocol):

adb kill-server # kill the local adb server on 5037

ssh -CN -L5037:localhost:5037 -R27183:localhost:27183 your_remote_computer

# keep this open

From another terminal:

scrcpy

Like for wireless connections, it may be useful to reduce quality:

scrcpy -b2M -m800 --max-fps 15

Window configuration

Title

By default, the window title is the device model. It can be changed:

scrcpy --window-title 'My device'

Position and size

The initial window position and size may be specified:

scrcpy --window-x 100 --window-y 100 --window-width 800 --window-height 600

Borderless

To disable window decorations:

scrcpy --window-borderless

Always on top

To keep the scrcpy window always on top:

scrcpy --always-on-top

Fullscreen

The app may be started directly in fullscreen:

scrcpy --fullscreen

scrcpy -f # short version

Fullscreen can then be toggled dynamically with Ctrl+f.

Other mirroring options

Read-only

To disable controls (everything which can interact with the device: input keys,

mouse events, drag&drop files):

scrcpy --no-control

scrcpy -n

Turn screen off

It is possible to turn the device screen off while mirroring on start with a

command-line option:

scrcpy --turn-screen-off

scrcpy -S

Or by pressing Ctrl+o at any time.

To turn it back on, press POWER (or Ctrl+p).

Render expired frames

By default, to minimize latency, scrcpy always renders the last decoded frame

available, and drops any previous one.

To force the rendering of all frames (at a cost of a possible increased

latency), use:

scrcpy --render-expired-frames

Show touches

For presentations, it may be useful to show physical touches (on the physical

device).

Android provides this feature in Developers options.

Scrcpy provides an option to enable this feature on start and disable on exit:

scrcpy --show-touches

scrcpy -t

Note that it only shows physical touches (with the finger on the device).

Input control

Rotate device screen

Press Ctrl+r to switch between portrait and landscape modes.

Note that it rotates only if the application in foreground supports the

requested orientation.

Copy-paste

It is possible to synchronize clipboards between the computer and the device, in

both directions:

Ctrl+c copies the device clipboard to the computer clipboard;

Ctrl+Shift+v copies the computer clipboard to the device clipboard;

Ctrl+v pastes the computer clipboard as a sequence of text events (but

breaks non-ASCII characters).

Text injection preference

There are two kinds of events generated when typing text:

key events, signaling that a key is pressed or released;

text events, signaling that a text has been entered.

By default, letters are injected using key events, so that the keyboard behaves

as expected in games (typically for WASD keys).

But this may cause issues. If you encounter such a problem, you

can avoid it by:

scrcpy --prefer-text

(but this will break keyboard behavior in games)

File drop

Install APK

To install an APK, drag & drop an APK file (ending with .apk) to the scrcpy

window.

There is no visual feedback, a log is printed to the console.

Push file to device

To push a file to /sdcard/ on the device, drag & drop a (non-APK) file to the

scrcpy window.

There is no visual feedback, a log is printed to the console.

The target directory can be changed on start:

scrcpy --push-target /sdcard/foo/bar/

Audio forwarding

Audio is not forwarded by scrcpy. Use USBaudio (Linux-only).

Also see issue #14.

Shortcuts

Action

Shortcut

Shortcut (macOS)

Switch fullscreen mode

Ctrl+f

Cmd+f

Resize window to 1:1 (pixel-perfect)

Ctrl+g

Cmd+g

Resize window to remove black borders

Ctrl+x | Double-click¹

Cmd+x | Double-click¹

Click on HOME

Ctrl+h | Middle-click

Ctrl+h | Middle-click

Click on BACK

Ctrl+b | Right-click²

Cmd+b | Right-click²

Click on APP_SWITCH

Ctrl+s

Cmd+s

Click on MENU

Ctrl+m

Ctrl+m

Click on VOLUME_UP

Ctrl+↑ (up)

Cmd+↑ (up)

Click on VOLUME_DOWN

Ctrl+↓ (down)

Cmd+↓ (down)

Click on POWER

Ctrl+p

Cmd+p

Power on

Right-click²

Right-click²

Turn device screen off (keep mirroring)

Ctrl+o

Cmd+o

Rotate device screen

Ctrl+r

Cmd+r

Expand notification panel

Ctrl+n

Cmd+n

Collapse notification panel

Ctrl+Shift+n

Cmd+Shift+n

Copy device clipboard to computer

Ctrl+c

Cmd+c

Paste computer clipboard to device

Ctrl+v

Cmd+v

Copy computer clipboard to device

Ctrl+Shift+v

Cmd+Shift+v

Enable/disable FPS counter (on stdout)

Ctrl+i

Cmd+i

¹Double-click on black borders to remove them.

²Right-click turns the screen on if it was off, presses BACK otherwise.

Custom paths

To use a specific adb binary, configure its path in the environment variable

ADB:

ADB=/path/to/adb scrcpy

To override the path of the scrcpy-server file, configure its path in

SCRCPY_SERVER_PATH.

Why scrcpy?

A colleague challenged me to find a name as unpronounceable as gnirehtet.

strcpy copies a string; scrcpy copies a screen.

How to build?

Common issues

See the FAQ.

Developers

Licence

Copyright (C) 2018 Genymobile

Copyright (C) 2018-2020 Romain Vimont

Licensed under the Apache License, Version 2.0 (the "License");

you may not use this file except in compliance with the License.

You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software

distributed under the License is distributed on an "AS IS" BASIS,

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

See the License for the specific language governing permissions and

limitations under the License.

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