java - android 计时器处理程序 java

Question

我想使用计时器在我的数据库中插入值 我开始使用计时器显示消息并且它工作但是当我添加插入值的函数调用时只显示消息并且没有插入数据!这是我的代码

public class TimertestActivity extends Activity {
    private double lat;
    private double lng;

    Handler handler = new Handler();
    Runnable runnable = new Runnable() {
        public void run() {
            afficher();

        }
    };

    /** Called when the activity is first created. */

      @Override   
      public void onCreate(Bundle icicle) {   
        super.onCreate(icicle);   
        setContentView(R.layout.main);  
        lat = 123456.98;
        lng = 321654.78;
        runnable.run();
      }   

     public void afficher()
      {
          Toast.makeText(getBaseContext(),
                     "lat" +lat+ "lng" +lng,
                     Toast.LENGTH_SHORT).show();
          insertvalues(lat, lng);
          handler.postDelayed(runnable, 25000);
      }
     public void insertvalues(double lat, double lng){

          //http post c à d envoi des données
          try{
                HttpClient httpclient = new DefaultHttpClient();
                HttpPost httppost = new   
                HttpPost("http://www.pizza-paris.com/clic/marwa/test/form.php?lat="+lat+"&lng="+lng);
                HttpResponse response = httpclient.execute(httppost);
                HttpEntity entity = response.getEntity();
                InputStream is = entity.getContent();
                Log.i("postData", response.getStatusLine().toString());
            }
            catch(Exception e)
            {
                Log.e("log_tag", "Error in http connection "+e.toString());
            }       
            }
}

Answer 1

解决方案是在他的 list 中添加互联网权限。事情总是很简单。

请阅读this有关权限信息的链接。

正确的格式是:

<uses-permission
        android:name="android.permission.INTERNET" />