Android Zxing QR code add flash function

The main changes in the zxing. Cameramanager class under the Zxing.camera package

Switch code added in Cameremanager

provided to other activity to adjust public    void Flashhandler () {          //camera.startpreview ();          Parameters Parameters = Camera.getparameters ();          Determine the current status of the flash to modify        if (Parameters.FLASH_MODE_OFF.equals (Parameters.getflashmode ())) {              turnOn (Parameters);          } else if (Parameters.FLASH_MODE_TORCH.equals (Parameters.getflashmode ())) {              turnoff (Parameters);          }      }        Open    private void TurnOn (Parameters Parameters) {          parameters.setflashmode (parameters.flash_mode_torch);          Camera.setparameters (parameters);      }    private void Turnoff (Parameters Parameters) {          parameters.setflashmode (parameters.flash_mode_off);          Camera.setparameters (parameters);      }  

Called by ImageButton.

<imagebutton                android:id= "@+id/btn_flashlight"                android:layout_width= "Wrap_content"                android: layout_height= "Wrap_content"                android:layout_centerhorizontal= "true"                android:layout_centervertical= " True "                android:background=" #00000000 "                android:src=" @drawable/flashlight "/>

Listening in the captureactivity

In the Inittitle () method, add

Flashimagebutton = (ImageButton) Findviewbyid (r.id.btn_flashlight); Flashimagebutton.setonclicklistener (new Onclicklistener () {//monitor flash button @overridepublic void OnClick (View v) {cameramanager.get (). Flashhandler ();});

OK, fix it!

Android Zxing QR code add flash function