Skip to main content

How to enable USB debugging on Android devices

USB debugging has a number of uses on Android devices. To enable USB debugging you should first enable Developer options. Developer options have some setting relevant ro advanced users and developers.

Developer options is hidden by default, and can be activated with the following steps:

  • From Settings, select About phone (or About tablet).
  • Tap the Build number entry seven times. On the seventh tap, you will be notified that "You are now a developer."
  • Return to Settings. Developer options should now be visible just above the About phone ( or About tablet).
Now to enable USB debugging click on the Developer options -> USB debugging (Android debugging). Some devices might require Developer options to be on before clicking on USB debugging.


Comments

Popular posts from this blog

How to boot Samsung Galaxy SL( GT-I9003) in recovery mode

** I Will Not responsible for any damage done with use of below mentioned methods. ** Power off your Samsung Galaxy SL (GT- I9003) to start in recovery mode. Once you have power off the phone, press and Hold Volume UP and Home button. Make sure you have hold volume up, don't press in  the middle of the volume buttons.  Now keep pressing these two buttons(VOL UP + HOME) and presspower button for 2-3 seconds. Release only power button, but keep pressing Volume Up + Home Button, until you see the screen shown below. Once you see recovery screen release the Home button else your phone will restart as first selected option will be restart and pressing home will make that happen.

In the recovery mode, volume up & down act as a up scroll and down scroll buttons, by pressing Home button you will be able to click the selected option.

How to flash CWM Recovery to Samsung Galaxy SL( GT-I9003) using Odin

** I Will Not responsible for any damage done with use of below mentioned methods. ** To flash the CWM recovery to your Samsung Galaxy SL you will require to following things in place: Odin  : you can download it from here.CWM Recovery image : you can download it from here. Thanks to XDA-developers. USB driver to connect your phone with computer. Install Samsung Kias so it will install the USB driver. Once you have downloaded above required items and installed the USB driver, reboot you phone to download mode. You can read how to reboot phone in download mode from here. Now connect the phone with USB cable to computer. 
Extract the Odin from the zip file that you have downloaded at some location on your computer and launch the Odin executable by double clicking it. Wait for Odin to detect your phone.You will be able to see it in yellow once detected on odin screen as shown below.
Click the PDA button to select the CWM recovery image. Once you have selected the recovery image, check the od…

Exception handling with RestTemplate

Spring framework offers RestTemplate for consuming RESTful services. Recently I used RestTemplate for consuming one of the third party RESTful service.

RestTemplate offers 'ResponseErrorHandler'; which you can extend to decide which are errors for you and how to handle those error. You can override hasError and handleError methods of ResponseErrorHandler.
In handleError you can throw customException if you want, as outlined in below code.

import org.springframework.http.HttpStatus; import org.springframework.http.client.ClientHttpResponse; import org.springframework.web.client.ResponseErrorHandler; import java.io.IOException; public class RestTemplateErrorHandler implements ResponseErrorHandler { @Override public void handleError(ClientHttpResponse response) throws IOException { throw new MyCustomException(response.getStatusText(), response.getStatusCode()); } @Override public boolean hasError(ClientHttpResponse response) throws IOException …