问题描述
我的程序使用get方法用api获取数据。log输出都很正常,但在输出到TextView时报错。
报错如下
06-11 11:20:35.692: E/dalvikvm(253): Unable to open stack trace file '/data/anr/traces.txt': Permission denied
代码如下
geturl="http://v1.itooi.cn/netease/search?keyword="+name.getText()+"&type=song&pagesize=1";
new Thread(new Runnable() {
public void run() {
try {
URL url = new URL(geturl);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();//开启连接
connection.connect();//连接服务器
if (connection.getResponseCode() == 200) {
//使用字符流形式进行回复
InputStream is = connection.getInputStream();
//读取信息BufferReader
BufferedReader reader = new BufferedReader(new InputStreamReader(is));
StringBuffer buffer = new StringBuffer();
String readLine = "";
while ((readLine = reader.readLine()) != null) {
buffer.append(readLine);
}
is.close();
reader.close();
connection.disconnect();
res=buffer.toString();
Log.d("Msg", res);
rest.setText(res);
}
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
(请不要在意括号匹配,重点看“rest.setText(res);”,我注释掉这句就没错了,这句什么问题?)