如何在android中以编程方式将气泡图像设置为textview的背景？

Question

msgList = (ListView)findViewById(R.id.msgList); 
receivedMessages = new ArrayAdapter<String>(this, R.layout.message); 

msgList.setAdapter(receivedMessages); 
msg  = (EditText)findViewById(R.id.msg); 

msg.setOnKeyListener(new OnKeyListener() { 
    public boolean onKey(View v, int keyCode, KeyEvent event) 
    {   
     if ((event.getAction() == KeyEvent.ACTION_UP) && 
         (keyCode == KeyEvent.KEYCODE_ENTER)) { 
      postMessage(); 
      return true; 
     } 
     return false; 
    } 
}); 

private void postMessage() 
{  
    String theNewMessage = msg.getText().toString(); 
    try{ 
     myThread.sendMessage(theNewMessage); 
    }catch(Exception e){ 
     Log.e(TAG,"Cannot send message"+e.getMessage()); 
    } 
    receivedMessages.add(theNewMessage+":Me"); 

    msg.setText(""); 
    //receivedMessages.getContext().getString(sendmsg); 
} 

我想将背景气泡图像设置为字符串结果表示theNewmessage。我在哪里得到我的result.bubble图像根据其字符大小长度获取自动大小。

Answer 1

in you R.layout.message将布局的背景设置为您要使用的气泡图像。如果您使用九个补丁图像，它将自行调整大小。

http://developer.android.com/guide/developing/tools/draw9patch.html

http://www.higherpass.com/Android/Tutorials/Android-9-Patch-Scaled-Png-Image-Guide/

的