FireFox调试手机浏览器

https://developer.mozilla.org/en-US/docs/Tools/Remote_Debugging/Firefox_for_Android

This guide explains how to use remote debuggingto inspect or debug code running inFirefox for Androidover USB.

FireFox调试手机浏览器

This guide's split into two parts: the first part, "Prerequisites" covers stuff you only need to do once, while the second part, "Connecting", covers stuff you need to do each time you connect the device.

Prerequisites

First, you'll need:

  • a desktop or laptop computer with Firefox running on it
  • an Android device capable of running Firefox for Android with Firefox for Android running on it
  • a USB cable to connect the two devices

ADB setup

Next, you'll need to get the desktop and the Android device talking to each other using the adb command-line tool.

On the Android device

On the desktop

  • Install the correct version of the Android SDK for your device.
  • Using the Android SDK, install the Android Platform Tools.
  • Android Platform Tools installs adb in the "platform-tools" directory under the directory in which you installed the Android SDK. Make sure the "platform-tools" directory is in your path.

To check it worked, open up a command shell on the desktop and type:

adb devices

You should see some output like:

List of devices attached
51800F220F01564 device

(The long hex string will be different.)

If you do, then adb has found your device and you've successfully set up ADB.

Enable remote debugging

Next, you need to enable remote debugging on both the Android device and the desktop.

Firefox for Android 24 and earlier

To enable remote debugging on the device, you need to set thedevtools.debugger.remote-enabled preference to true.

Go to about:config in Firefox for Android, type "devtools" into the search box and press the Search key. You'll see all the devtools preferences. Find thedevtools.debugger.remote-enabled preference, and press "Toggle".

FireFox调试手机浏览器

Firefox for Android 25 and later

On Firefox for Android 25 and later, there's a menu item to enable remote debugging. Open the menu, select "Settings", then "Developer tools" (on some Android devices you may need to select "More" to see the "Settings" option). Check the "Remote debugging" box:

FireFox调试手机浏览器

The browser will display a notification reminding you to set up port forwarding, which we'll do later on.

On the desktop

On the desktop, remote debugging is enabled by a setting in the Toolbox. Open the Toolbox, click the "Settings" button in the toolbar, and check "Enable remote debugging" in the Settingstab:

FireFox调试手机浏览器

If you're using a version of Firefox older than 27, you'll need to restart the browser for the setting to take effect.

You'll then see a new option in the Web Developer menu labeled "Connect...":

FireFox调试手机浏览器

Connecting

Now you can connect the remote debugging tools to the device. First, attach the device to the desktop with a USB cable, if you haven't already.

On the desktop

Go to a command prompt, and type:

adb forward tcp:6000 tcp:6000

(If you've changed the value the Android device uses for a debugging port, you'll need to adjust this accordingly.)

For Firefox OS, type:

adb forward tcp:6000 localfilesystem:/data/local/debugger-socket

You'll need to reissue this command each time you physically attach desktop and device with the USB cable.

Then go to the Web Developer menu on Firefox, and select "Connect...". You'll see a page that looks like this:

FireFox调试手机浏览器Unless you've changed the port numbers, choose 6000 and press the "Connect" button.

On the Android device

Next you'll see a dialog on the Android device asking you to confirm the connection:

FireFox调试手机浏览器Press "OK". The desktop waits for a few seconds to give you time to acknowledge this dialog: if it times out, just press "Connect" in the desktop dialog again.

On the desktop

Next, the desktop shows you a dialog that looks something like this:

FireFox调试手机浏览器This is asking whether you want to debug web content running in a browser tab, or to debug the browser code itself.

  • You'll see one entry under "Available remote tabs" for each open tab, and clicking it will attach the debugging tools to the web content hosted by that tab. If you want to debug your web content, you'll choose the relevant content tab.
  • You'll see one entry under "Available remote processes": this is the browser process itself. You'll choose this option if you want to debug the browser's own code.

Let's choose to attach to the mozilla.org website. The Toolbox will open in its own window, attached to the Firefox for Android tab that's currently hosting mozilla.org:

FireFox调试手机浏览器

The Toolbox, and the tools it hosts, work in just the same way as they do when attached to local content.FireFox调试手机浏览器

Attachments

File Size Date Attached by
remote-debugger-about-config-toggle
 
95831 bytes 2013-08-01 15:36:19 wbamberg
remote-debugging-connect-menuitem
 
81023 bytes 2013-08-01 17:15:16 wbamberg
remote-debugging-deskopt-connect
 
85186 bytes 2013-08-01 17:20:07 wbamberg
remote-debugging-device-connect
 
167472 bytes 2013-08-01 17:26:11 wbamberg
remote-debugging-deskopt-select-target
 
90358 bytes 2013-08-01 19:41:30 wbamberg
remote-debugging-console
 
124892 bytes 2013-08-01 20:35:29 wbamberg
remote-debugging-debugger
 
266637 bytes 2013-08-01 20:35:45 wbamberg
remote-debugger-toolbox-settings
 
123586 bytes 2013-08-01 23:09:18 wbamberg
remote-debugging-device-enable
 
45182 bytes 2013-08-02 09:37:26 wbamberg
remote-debugging-overview
 
394293 bytes 2013-08-02 12:25:02 wbamberg
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