#Android studio debug javascript how to
#Android studio debug javascript install
#Android studio debug javascript android

Now we can see in the Variables, we have a new variable called result and its value is 1. Thats why we chose to put a breakpoint at the beginning of our calculation. Reason we have result 0 can be bad calculation, which is not visible on the first glance or we did not take in count a side effect during our calculation.

Variables - Here we can see all allocated variables which are visible to our scope.

Try clicking on a white line, and it will take you to the file and line where it entered the routine with breakpoint We have white lines - these identify routines, which are defined in our project source code and yellow lines - which identifies routines, that are defined in external source code or dependencies. Thanks to it, we can identify from where we entered the current routine and where we return after finishing current work.

Callstack - Is a list of routines and subroutines.

Debugger is still attached, but won't stop on any breakpoint. This will detach debugger from the process.

Continue execution until next breakpoint.

For an example we can evaluate calculate(2, 2) and see what result would it return without changing the current process. Its a separate context executor, where we can evaluate values of variables or execute small blocks of code to check their return value.

If we place the cursor on other line, we can let the process execute until it hits the selected line or it will stop on the way if there are other breakpoints.

This is our program callstack and we can observe it under number 12. We can step out of the function to the line where we entered it. If its an external function, it may be configured to not be accessible by standard step into, this will force the debugger to step into the function. If there is non or every function on the line was already executed, it will continue to the next line.

If there is a function at the current line, it will enter the function. After clicking it, process will continue to the next line. Open and scroll down to section Debugging.You should see an option Developer options.Approximately after 5 taps, you'll get a message 'You are now a developer'.

#Android studio debug javascript how to

How to turn on the development interface on a physical device

#Android studio debug javascript install

If we want to use a physical device, we must enable debugging and install the correct application variant through the studio.

#Android studio debug javascript android

Android debuggerĪndroid debugger is a tool in Android Studio, with which we can connect to the running process of the developed application or we can start it so that it is connected right from the start. At first glance, it may not be immediately clear what the problem is, and then we reach for debuggers. They will be revealed later in testing or in future development. Even the best developers make mistakes that are not immediately apparent to the eye. We can't avoid debugging when developing Android applications. The golden rule of our mothers also applies here: Measure twice, cut once! - random mom We spend much more time isolating the bug and debugging it than we do with the implementation. The more we care about thorough code implementation, the less or not we have to go back to it. Debugging is a process of detecting a code error.