我刚解决了第一个问题,现在又出现了这个:( 请帮我修复它...
03-02 12:47:02.785 9439-9439/com.ucu.ccs.classrecord E/WindowManager﹕ android.view.WindowLeaked: Activity com.ucu.ccs.classrecord.Login has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{6d17cc4 V.E..... R......D 0,0-1002,348} that was originally added here at android.view.ViewRootImpl.(ViewRootImpl.java:465) at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:277) at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69) at android.app.Dialog.show(Dialog.java:312) at com.ucu.ccs.classrecord.Login$AttemptLogin.onPreExecute(Login.java:158) at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:587) at android.os.AsyncTask.execute(AsyncTask.java:535) at com.ucu.ccs.classrecord.Login.isOnline(Login.java:113) at com.ucu.ccs.classrecord.Login$1.onClick(Login.java:73) at android.view.View.performClick(View.java:5197) at android.view.View$PerformClick.run(View.java:20926) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:145) at android.app.ActivityThread.main(ActivityThread.java:5942) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1399) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)
这是我的代码:
buttonLogin.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String instructor_id = editUser.getText().toString().trim();
String password = editPass.getText().toString().trim();
SharedPreferences preferences = getSharedPreferences("MyApp", MODE_PRIVATE);
preferences.edit().putString("password", password).commit();
preferences.edit().putString("inst_id", instructor_id).commit();
if (editUser.getText().toString().equals("") || editPass.getText().toString().equals("")){
Toast.makeText(getApplicationContext(),"Please enter Instructor ID and Password", Toast.LENGTH_LONG).show();
}else {
isOnline();
}
}
});
public boolean isOnline(){
ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.isConnectedOrConnecting()){
new AttemptLogin().execute();
}else {
checkInternet();
}
return false;
}
class AttemptLogin extends AsyncTask<String, String, String> {
boolean failure = false;
String inst_id = editUser.getText().toString();
String password = editPass.getText().toString();
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(Login.this);
pDialog.setMessage("Attempting login...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
@Override
protected String doInBackground(String... params) {
int success;
try{
List<NameValuePair> mList = new ArrayList<NameValuePair>();
mList.add(new BasicNameValuePair("instructor_id", inst_id));
mList.add(new BasicNameValuePair("password", password));
Log.d("request!", "starting");
JSONObject json = jsonParser.makeHttpRequest(LOGIN_URL, "POST", mList);
Log.d("Login attempt", json.toString());
success = json.getInt(TAG_SUCCESS);
if (success == 1) {
Log.d("Login Successful!", json.toString());
Intent i = new Intent(Login.this, MainActivity.class);
startActivity(i);
//finish();
return json.getString(TAG_MESSAGE);
}else{
Log.d("Login Failure!", json.getString(TAG_MESSAGE));
return json.getString(TAG_MESSAGE);
}
}catch (JSONException e){
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(String s) {
super.onPostExecute(s);
session.setLogin(true);
pDialog.dismiss();
if (s != null){
Toast.makeText(getApplicationContext(), s, Toast.LENGTH_SHORT).show();
}
}
}