Android TextView : “Do not concatenate text displayed with setText”

參考：http://stackoverflow.com/questions/33164886/android-textview-do-not-concatenate-text-displayed-with-settext

 

在Activity中對TextView進行動態更新顯示數據時，如果使用:

RGB_textview.setText(settingData.Image_R + "," + settingData.Image_G + "," + settingData.Image_B);

則Android Studio 會提示：“Do not concatenate text displayed with setText，use resource string with placeholders”，

應改為：

RGB_textview.setText(getString(R.string.RGB_value_string, settingData.Image_R, settingData.Image_G, settingData.Image_B));

<string name="RGB_value_string">%1$d,%2$d,%3$d</string>

不修改也能正常運行，但修改一下會更加規范。