I find that in Android Studio version 1.0.1 you must then additionally click the Reset button. So when your app crashes during testing, that process is gone, so the filter clears the log. 13 The Clear Logcat 'trash' button is located to the left of the Logcat console. which is looking at the log of the selected process (your current launch by default). The Logcat window in Android Studio displays system messages, such as when a garbage collection occurs, and messages that you added to your app with the Log class. In AndroidStudio, the default setting for the Logcat window seems to be 'Show only selected Application' (top right corner of the Logcat window).
Use this tag in places like inside a catch statement. Log.e(): This is for when bad stuff happens. Kind of like a “hey, this happened, and it’s weird, we should look into it.” Basically, use this to log stuff you didn’t expect to happen but isn’t necessarily an error. You may not be completed in full-on error mode, but maybe you recovered from some unexpected behavior. Log.w(): Use this when you suspect something shady is going on. For example: that you have successfully connected to a server. Log.i(): Use this to post useful information to the log. Also If you want to keep a log of variable values. if it's not visible then Try pressing Alt+6 on Windows or CMD+6 on Mac. If you want to print out a bunch of messages so you can log the exact flow of your program, use this. Try to build the app after Gradle sync then look at the bottom of the android studio logcat will be visible. Log.d(): Use this for debugging purposes. If for some reason you’ve decided to log every little thing in a particular part of your app, use the Log.v tag. Log.v() : Use this when you want to go absolutely nuts with your logging. Here are details of Android Logcat where and which type of log you have to use and how to use.
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