// Create a class member variable
private boolean isOn = false;
// And use it in your method
public void liBtn(View v) {
Camera.Parameters p = camera.getParameters();
if (!isOn) {
p.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
} else {
p.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
}
camera.setParameters(p);
camera.startPreview();
isOn = !isOn;
}
ImageButton turn on and turn off
-
19-06-2023 - |
質問
How I can turn on and turn off camera light on ImageButton.. This is my code
public void liBtn(View v)
{
int tur=0;
if (tur==0)
{
Camera.Parameters p = camera.getParameters();
p.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
camera.setParameters(p);
camera.startPreview();
int tur=1;
}
if (tur==1)
{
Camera.Parameters p = camera.getParameters();
p.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
camera.setParameters(p);
camera.startPreview();
int tur=0;
}
}
Any ideas?
解決
他のヒント
put int tur=0;
outside your method.
create a global boolean variable isFlashOn and do some thing like this
public void liBtn(View v){
if (!isFlashOn)
{
Camera.Parameters p = camera.getParameters();
p.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
camera.setParameters(p);
camera.startPreview();
isFlashOn =true;
}else{
Camera.Parameters p = camera.getParameters();
p.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
camera.setParameters(p);
camera.startPreview();
isFlashOn =false;
}
}
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