

Tag of a system log message is a short string indicating the system componentįrom which the message originates (for example, ActivityManager). Debug logs are compiled in but stripped at runtime, while error,įor each log method, the first parameter should be a unique tag and the You should never compile verbose logs into your app, except duringĭevelopment. Listed in order from the highest to lowest priority Generally, you should use the following log methods,

The Logcat toolbar provides the following buttons: To change this default, see how to filter logcat Lists at the top of the window, as shown in figure 1.īy default, logcat displays just the log messages for your app running on theĭevice. The Logcat window shows the log messages for the selected app, as selected from the dropdown Click View > Tool Windows > Logcat (or click Logcat in the tool.

Note that you can configure the logcat output display, but not the Run When an app throws an exception, logcat shows a messageįollowed by the associated stack trace containing links to the line of code.Īs of Android Studio 2.2, the Run window also displays log messages for the current Shows the log output related to the most recently run app only. Messages produced by app code only, and search the log. How much information is displayed in messages, set priority levels, display To display just the information of interest, you can create filters, modify Time and keeps a history so you can view older messages. The Logcat window in Android Studio displays system messages, such as when a garbageĬollection occurs, and messages that you added to your app with the Log class.
