關於表單的傳送在android應用 - Android 台灣中文網

public class MainActivity extends Activity implements OnClickListener
{
private EditText txtMessage;
private EditText txtMessage2;
private Button sendBtn;
private String uriAPI = "http://119.14.80.132/ACT_ID_1";
/** 「要更新版面」的訊息代碼 */
protected static final int REFRESH_DATA = 0x00000001;
/** 建立UI Thread使用的Handler，來接收其他Thread來的訊息 */
Handler mHandler = new Handler()
{
@Override
public void handleMessage(Message msg)
{
switch (msg.what)
{
// 顯示網路上抓取的資料
case REFRESH_DATA:
String result = null;
if (msg.obj instanceof String)
result = (String) msg.obj;
if (result != null)
// 印出網路回傳的文字
Toast.makeText(MainActivity.this, result, Toast.LENGTH_LONG).show();
break;
}
}
};
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
txtMessage = (EditText) findViewById(R.id.editText1);
txtMessage2 = (EditText) findViewById(R.id.editText2);
sendBtn = (Button) findViewById(R.id.button1);
if (sendBtn != null)
sendBtn.setOnClickListener(this);
}
@Override
public void onClick(View v)
{
if (v == sendBtn)
{
if (txtMessage != null)
{
// 擷取文字框上的文字
String msg = txtMessage.getEditableText().toString();
String msg2 = txtMessage2.getEditableText().toString();
// 啟動一個Thread(執行緒)，將要傳送的資料放進Runnable中，讓Thread執行
Thread t = new Thread(new sendPostRunnable(msg));
Thread a = new Thread(new sendPostRunnable(msg2));
t.start();
}
}
}
private String sendPostDataToInternet(String strTxt)
{
/* 建立HTTP Post連線 */
HttpPost httpRequest = new HttpPost(uriAPI);
/*
* Post運作傳送變數必須用NameValuePair[]陣列儲存
*/
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("username", "abc"));
params.add(new BasicNameValuePair("pwd", "654321"));
try
{
/* 發出HTTP request */
httpRequest.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
/* 取得HTTP response */
HttpResponse httpResponse = new DefaultHttpClient()
.execute(httpRequest);
/* 若狀態碼為200 ok */
if (httpResponse.getStatusLine().getStatusCode() == 200)
{
/* 取出回應字串 */
String strResult = EntityUtils.toString(httpResponse
.getEntity());
// 回傳回應字串
return strResult;
}
} catch (Exception e)
{
e.printStackTrace();
}
return null;
}
class sendPostRunnable implements Runnable
{
String strTxt = null;
String strTxt2 = null;
// 建構子，設定要傳的字串
public sendPostRunnable(String strTxt)
{
this.strTxt = strTxt;
}
@Override
public void run()
{
String result = sendPostDataToInternet(strTxt);
mHandler.obtainMessage(REFRESH_DATA, result).sendToTarget();
Intent open =new Intent();
open.setClass(MainActivity.this,op.class);
startActivity(open);
}
}
}

複製代碼

public class Main extends Activity implements OnClickListener
{
private EditText txtMessage;
private Button sendBtn;
private String uriAPI = "http://119.14.80.132/ACT_ID_324";
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
txtMessage = (EditText) findViewById(R.id.editText1);
sendBtn = (Button) findViewById(R.id.button1);
if (sendBtn != null)
{
sendBtn.setOnClickListener(this);
}
}
@Override
public void onClick(View v)
{
if (v == sendBtn)
{
String msg = null;
if (txtMessage != null)
{
msg = txtMessage.getEditableText().toString();
String result = sendPostDataToInternet(msg);
if (result != null)
Toast.makeText(this, result, Toast.LENGTH_LONG).show();
}
}
}
private String sendPostDataToInternet(String strTxt)
{
HttpPost httpRequest = new HttpPost(uriAPI);
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("USX0", strTxt));
try
{
/* 發出HTTP request */
httpRequest.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
/* 取得HTTP response */
HttpResponse httpResponse = new DefaultHttpClient()
.execute(httpRequest);
/* 若狀態碼為200 ok */
if (httpResponse.getStatusLine().getStatusCode() == 200)
{
/* 取出回應字串 */
String strResult = EntityUtils.toString(httpResponse
.getEntity());
// 回傳回應字串
return strResult;
}
} catch (ClientProtocolException e)
{
Toast.makeText(this, e.getMessage().toString(), Toast.LENGTH_SHORT)
.show();
e.printStackTrace();
} catch (IOException e)
{
Toast.makeText(this, e.getMessage().toString(), Toast.LENGTH_SHORT)
.show();
e.printStackTrace();
} catch (Exception e)
{
Toast.makeText(this, e.getMessage().toString(), Toast.LENGTH_SHORT)
.show();
e.printStackTrace();
}
return null;
}
}

複製代碼

10-29 20:08:30.620: I/ActivityManager(1849): Killing proc 20755:com.example.asd/10151: force stop
10-29 20:08:30.880: W/ActivityThread(20966): Application com.example.asd is waiting for the debugger on port 8100...
10-29 20:08:47.360: E/AndroidRuntime(20966): at com.example.asd.MainActivity.sendPostDataToInternet(MainActivity.java:208)
10-29 20:08:47.360: E/AndroidRuntime(20966): at com.example.asd.MainActivity.onClick(MainActivity.java:117)

複製代碼