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java - 相机 camera=Camera.open();为什么分开写是错误的?

转载 作者:行者123 更新时间:2023-11-29 05:20:16 26 4
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<分区>

Camera  camera=Camera.open();  //that's Right,but if you write separately, it's wrong

Camera camera;
camera=Camera.open();

//reason: Syntax error on token ";", , expected


Button btn1;
btn1.setOnClickListener(new OnClickListener(){
boolean sum=true;
Camera camera; //Syntax error on token ";", , expected
camera=Camera.open();
Parameters parameter;
public void onClick(View V)
{
if(sum)
{
camera.startPreview();
parameter=camera.getParameters();
parameter.setFlashMode(Parameters.FLASH_MODE_TORCH);
camera.setParameters(parameter);
}
else
{
//camera.stopPreview();
parameter=camera.getParameters();
parameter.setFlashMode(Parameters.FLASH_MODE_OFF);
camera.setParameters(parameter);
}
sum=!sum;
}
});

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