回覆短信息：「compose_mode」= true與false之間有什麼區別？

Question

使用下面的代碼或類似的代碼，標記「compose_mode」在回覆短信時做了什麼？

示例代碼：

Intent intent = new Intent(Intent.ACTION_SENDTO); 
intent.setData(Uri.parse("smsto:" + sendTo)); 
intent.putExtra("compose_mode", true); //What does this line do? What if it was "false"? 
startActivity(intent); 

Answer 1

從來沒有嘗試過，但發現：

// Exit the app once the SMS is sent 
    intent.putExtra("compose_mode", true); 

http://code.google.com/p/zxing/source/browse/trunk/android/src/com/google/zxing/client/android/result/ResultHandler.java?r=635