code: @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
  
          setContentView(R.layout.activity_settings);
          ButterKnife.bind(this);
  
          mButtonDemo.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  Intent intent = new Intent(SettingsActivity.this, DemoActivity.class);
                  intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
  
                  intent.putExtra(
                      DemoActivity.EXTRA_DISK_CACHE_SIZE,
                      tryGetNumber(mEditTextSizeDisk, 100)
                  );
                  intent.putExtra(
                      DemoActivity.EXTRA_RAM_CACHE_SIZE,
                      tryGetNumber(mEditTextSizeRam, 50)
                  );
                  intent.putExtra(DemoActivity.EXTRA_ID_CACHE, mEditTextIdCache.getText().toString());
                  startActivity(intent);
              }
          });
      }
docs: CHECKSTYLE:ON