我想从互联网上获取 JSONArray 并将其显示在 logcat 中,所以我使用 Log.e("result ", result);
但它似乎失败了,因为我在 logcat 中找不到任何 JSONArraay 这是我的代码,我希望你能看看并告诉我出了什么问题?我知道你们中的一些人正在使用 BufferReader 从互联网上阅读文本,但我想我的方式也应该没问题
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button btnParse;
ListView listResult;
btnParse = (Button) findViewById(R.id.btn_parse);
listResult = (ListView) findViewById(R.id.list_result);
btnParse.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
JSONArray trial = getJSONData();
}
});
}
private JSONArray getJSONData() {
String url = "http://cloud.culture.tw/frontsite/trans/SearchShowAction.do?method=doFindAllTypeJ";
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpGet httpget = new HttpGet(url);
try {
HttpResponse httpresponse = httpClient.execute(httpget);
String result = EntityUtils.toString(httpresponse.getEntity());
Log.e("result ", result);
JSONArray jsonarr = new JSONArray(result);
return jsonarr;
} catch (Exception err) {
return null;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}