Android (Logcat, Monitors)

Just learn Android when you always like to output "Hello Word" such information to determine whether the implementation of a method, initially connected to the Android Studio console, breakpoints, where all have to look for a long time, now a little more than a few more familiar.

First to understand the next Logcat (log tool)

Use the Logcat command-line tool to print program log information and use the log command to import Android.util.Log that is, logcat functionality is provided by class Android.util.Log.

LOG.V () Usage level: Verbose, for printing details, output color black log.d () usage level: Debug, for print debug information, output color blue log.i () usage level: info, for printing advertisement information, output color green LOG.W () Use level: Warn, for printing warning messages, output color orange LOG.E () usage level: error, for printing errors, output color red log.wft use level: Assert, in the output of the log, the code at this time the execution path (call stack) print out, Common Language Unit Test.

Log level: Verbose<debug<info<warn<error<assert You can refer to the definition in the following class:

Monitors:

Android (Logcat, Monitors)