android - 私は致命的な例外を取得しています:アンドロイドでメインとアプリケーションがエミュレーターで実行されていませんか?

Question

`

public class JsonExampleActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_json_example);
        HttpClient httpclient = new DefaultHttpClient();
        HttpPost httppost = new HttpPost("http://codeincloud.tk/json_android_example.php");
        TextView textView = (TextView)findViewById(R.id.textView1);
        try {

            HttpResponse response = httpclient.execute(httppost);
            String jsonResult = inputStreamToString(response.getEntity().getContent()).toString();
            JSONObject object = new JSONObject(jsonResult);

            String name = object.getString("name");
            String verion = object.getString("version");
            textView.setText(name + " - " + verion);

        } 
        catch (JSONException e) {
            e.printStackTrace();
        } 
        catch (ClientProtocolException e) {
            e.printStackTrace();
        } 
        catch (IOException e) {
            e.printStackTrace();
        }


       }
    private StringBuilder inputStreamToString(InputStream is) {
        String rLine = "";
        StringBuilder answer = new StringBuilder();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));

        try {
         while ((rLine = rd.readLine()) != null) 
          answer.append(rLine);
           }
        }

        catch (IOException e) {
            e.printStackTrace();
         }
        return answer;
       }
}`

Answer 1

例外のベースは「FileOutputStream.write」から来ているようです。マニフェストに書き込み権限を追加しましたか?

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