Android Device Monitor was deprecated in Android Studio3.1 and removed from Android Studio 3.2. The features that you could usethrough the Android Device Monitor have been replaced by new features. The tablebelow helps you decide which features you should use instead of these deprecatedand removed features.
| Android Device Monitor component | What you should use |
|---|---|
| Dalvik Debug Monitor Server (DDMS) | This tool is deprecated. Instead, use Android Profiler in Android Studio 3.0 and higher to profile your app's CPU, memory, and network usage. If you want to perform other debugging tasks, such as sending commands to a connected device to set up port-forwarding, transfer files, or take screenshots, then use the Android Debug Bridge ( |
| Traceview | This tool is deprecated. To inspect |
| Systrace | If you need to inspect native system processes and address UI jank caused by dropped frames, use |
| Tracer for OpenGL ES | Use the Android GPU Inspector. |
| Hierarchy Viewer | If you want to inspect your app's view hierarchy at runtime, use Layout Inspector. If you want to profile the rendering speed of your app's layout, use Window.OnFrameMetricsAvailableListener as described in this blog post. |
| Pixel Perfect | Use Layout Inspector. |
| Network Traffic tool | If you need to view how and when your app transfers data over a network, use the Network Profiler. |
Start Android Device Monitor
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Dalvik Debug Monitor Service In Android
To start the standalone Device Monitor application in Android Studio 3.1 andlower, enter the following on the command line in theandroid-sdk/tools/ directory:
You can then link the tool to a connected device by selecting the device from the Devices pane. If you have trouble viewing panes or windows, select Window > Reset Perspective from the menu bar.
Dalvik Debug Monitor Service Manual
Note: Each device can be attached to only one debugger process at a time. So, for example, if you are using Android Studio to debug your app on a device, you need to disconnect the Android Studio debugger from the device before you attach a debugger process from the Android Device Monitor.
Dalvik Debug Monitor Service (DDMS) lets us explore what possible problems our Android application might have. In this short post we will explore the following potential problematic areas:
- file explorer
- logcat
- traceview
- hierarchy view
To open the DDMS eclipse view, we need to do the following. Go to Window > Open Perspective > Other, and select DDMS and click okay:
Then we can navigate to the file explorer tab, and see all the directories the device has. For example, the mnt directory is the external memory card storage:
To the bottom of the IDE you can see your application’s logcat view. It is the windows, in which you can see all of the logs of your application. As Android allows you to create your own log messages, you can see them too in there:
Traceview is a debug option that allows you to trace the methods, which the android application calls. In order to see the traceview, our application should have at least one break point, and to be run in Debug mode. Then we should switch to DDMS view, and click on the button under the Device tab that says Start Method Profiling:
Note that in my case all the buttons in the Devices tab are grey. This is because I am not running my android app in Debug mode. When I do, then the Start Method Profiling button will be black with a red dot in the top right corner. After enabling the button, go back to the Debug view and continue running the app in debug mode.
UI Hierarchy view allows you to analyse the android app user interface to understand how it is organized. You can run your android app on your device/emulated device, and switch to hierarchy view:
Now you can click on your application and see all the hierarchical view of your user interface. For example, a simple Hello World app will have an onClick screen that consists of two parts: a title part and a body part.