Android系统中拍照功能的调用

Intent j=new Intent(Intent.ACTION_CAMERA_BUTTON);
//j.setAction(Intent.ACTION_CAMERA_BUTTON);
this.sendBroadcast(j);

Intent i=new Intent("android.media.action.STILL_IMAGE_CAMERA");
//Intent i=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
//i.setAction("android.media.action.STILL_IMAGE_CAMERA");
startActivity(i);