小白请问这串代码出了什么问题?为何调用不了系统相机。。
点击按钮后进入这个方法
private void takePhoto(){
Intent intent=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
//初始化照片路径
File file = new File(getExternalFilesDir(null)+File.separator+"myPicture");
if(!file.exists()){
file.mkdirs();
}
String pictureName =new SimpleDateFormat("yyyyMMddHHmmss").format(new Date())+".jpg";
File saveFile= new File(file,pictureName);
uri = FileProvider.getUriForFile(this,"univ.buaa.icabinet.activity",saveFile);
intent.putExtra(MediaStore.EXTRA_OUTPUT,uri);//根据这个uri保存照片
startActivityForResult(intent,REQUEST_CODE_CAMERA);//结果返回onActivityResult函数
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if(resultCode==RESULT_OK&&requestCode==REQUEST_CODE_CAMERA) {
Toast.makeText(this, "保存照片成功", Toast.LENGTH_SHORT).show();
Bitmap bitmap =(Bitmap) Objects.requireNonNull(data.getExtras()).get("data");
picture_of_object.setImageBitmap(bitmap);
}
super.onActivityResult(requestCode, resultCode, data);
}}