third-zxing/src/main/java/com/zxing/qrcode/CaptureActivity.java
@@ -100,7 +100,7 @@ public void afterViewBind(View rootView, Bundle savedInstanceState) { light_iv = findViewById(R.id.light_iv); backll = findViewById(R.id.top_back_btn); backll = findViewById(R.id.top_back_ll); backll.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) {