Android中的WindowLeak错误
我目前正在从事一个Android项目,我遇到了一个特别的错误。我遇到的错误是一个窗口泄漏错误。我能想到的唯一导致这个问题的是我的项目布局,或者是ListView Activity,但我真的不确定,因为我以前从未见过这个错误。所以我只是希望有人能告诉我是什么导致了这个错误,我能做些什么来修复它Android中的WindowLeak错误,android,json,android-listview,android-asynctask,Android,Json,Android Listview,Android Asynctask,我目前正在从事一个Android项目,我遇到了一个特别的错误。我遇到的错误是一个窗口泄漏错误。我能想到的唯一导致这个问题的是我的项目布局,或者是ListView Activity,但我真的不确定,因为我以前从未见过这个错误。所以我只是希望有人能告诉我是什么导致了这个错误,我能做些什么来修复它 07-29 13:43:59.891: E/WindowManager(952): Activity com.theproblemsolver.ListView has leaked window com.
07-29 13:43:59.891: E/WindowManager(952): Activity com.theproblemsolver.ListView has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{40d0f620 V.E..... R.....ID 0,0-234,72} that was originally added here
07-29 13:43:59.891: E/WindowManager(952): android.view.WindowLeaked: Activity com.theproblemsolver.ListView has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{40d0f620 V.E..... R.....ID 0,0-234,72} that was originally added here
07-29 13:43:59.891: E/WindowManager(952): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:354)
07-29 13:43:59.891: E/WindowManager(952): at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:216)
07-29 13:43:59.891: E/WindowManager(952): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
07-29 13:43:59.891: E/WindowManager(952): at android.app.Dialog.show(Dialog.java:281)
07-29 13:43:59.891: E/WindowManager(952): at com.theproblemsolver.ListView$LoadAllData.onPreExecute(ListView.java:86)
07-29 13:43:59.891: E/WindowManager(952): at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
07-29 13:43:59.891: E/WindowManager(952): at android.os.AsyncTask.execute(AsyncTask.java:534)
07-29 13:43:59.891: E/WindowManager(952): at com.theproblemsolver.ListView.onCreate(ListView.java:52)
07-29 13:43:59.891: E/WindowManager(952): at android.app.Activity.performCreate(Activity.java:5104)
07-29 13:43:59.891: E/WindowManager(952): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
07-29 13:43:59.891: E/WindowManager(952): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
07-29 13:43:59.891: E/WindowManager(952): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
07-29 13:43:59.891: E/WindowManager(952): at android.app.ActivityThread.access$600(ActivityThread.java:141)
07-29 13:43:59.891: E/WindowManager(952): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
07-29 13:43:59.891: E/WindowManager(952): at android.os.Handler.dispatchMessage(Handler.java:99)
07-29 13:43:59.891: E/WindowManager(952): at android.os.Looper.loop(Looper.java:137)
07-29 13:43:59.891: E/WindowManager(952): at android.app.ActivityThread.main(ActivityThread.java:5041)
07-29 13:43:59.891: E/WindowManager(952): at java.lang.reflect.Method.invokeNative(Native Method)
07-29 13:43:59.891: E/WindowManager(952): at java.lang.reflect.Method.invoke(Method.java:511)
07-29 13:43:59.891: E/WindowManager(952): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
07-29 13:43:59.891: E/WindowManager(952): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
07-29 13:43:59.891: E/WindowManager(952): at dalvik.system.NativeStart.main(Native Method)
07-29 13:43:59.891:E/WindowManager(952):Activity com.theproblemsolver.ListView泄漏了最初添加到此处的window com.android.internal.policy.impl.PhoneWindow$DecorView{40d0f620 V.E..R..ID 0,0-234,72}
07-29 13:43:59.891:E/WindowManager(952):android.view.WindowLeaked:Activity com.theproblemsolver.ListView泄漏了最初添加到此处的window com.android.internal.policy.impl.PhoneWindow$DecorView{40d0f620 V.E…..R…..ID 0-234,72}
07-29 13:43:59.891:E/WindowManager(952):在android.view.ViewRootImpl。(ViewRootImpl.java:354)
07-29 13:43:59.891:E/WindowManager(952):在android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:216)
07-29 13:43:59.891:E/WindowManager(952):在android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
07-29 13:43:59.891:E/WindowManager(952):在android.app.Dialog.show(Dialog.java:281)
07-29 13:43:59.891:E/WindowManager(952):位于com.theproblemsolver.ListView$LoadAllData.onPreExecute(ListView.java:86)
07-29 13:43:59.891:E/WindowManager(952):位于android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
07-29 13:43:59.891:E/WindowManager(952):在android.os.AsyncTask.execute(AsyncTask.java:534)
07-29 13:43:59.891:E/WindowManager(952):位于com.theproblemsolver.ListView.onCreate(ListView.java:52)
07-29 13:43:59.891:E/WindowManager(952):在android.app.Activity.performCreate(Activity.java:5104)
07-29 13:43:59.891:E/WindowManager(952):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
07-29 13:43:59.891:E/WindowManager(952):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
07-29 13:43:59.891:E/WindowManager(952):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
07-29 13:43:59.891:E/WindowManager(952):在android.app.ActivityThread.access$600(ActivityThread.java:141)
07-29 13:43:59.891:E/WindowManager(952):在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
07-29 13:43:59.891:E/WindowManager(952):位于android.os.Handler.dispatchMessage(Handler.java:99)
07-29 13:43:59.891:E/WindowManager(952):在android.os.Looper.loop(Looper.java:137)
07-29 13:43:59.891:E/WindowManager(952):位于android.app.ActivityThread.main(ActivityThread.java:5041)
07-29 13:43:59.891:E/WindowManager(952):位于java.lang.reflect.Method.Invokenactive(本机方法)
07-29 13:43:59.891:E/WindowManager(952):位于java.lang.reflect.Method.invoke(Method.java:511)
07-29 13:43:59.891:E/WindowManager(952):位于com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
07-29 13:43:59.891:E/WindowManager(952):位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
07-29 13:43:59.891:E/WindowManager(952):在dalvik.system.NativeStart.main(本机方法)
列表视图:
public class ListView extends ListActivity {
private ProgressDialog pDialog;
JSONParsser jParser = new JSONParsser();
ArrayList<HashMap<String, String>> questionList;
private static String URI = "http://example.com/json";;
//JSONObject json = jParser.getJSONFromURI(URI);
final String TAG_QUESTION_SUBJECT = "Subject";
final String TAG_QUESTION_NUMANSWERS = "NumAnswers";
final String TAG_QUESTION = "Question";
final String TAG_QUESTION_CONTENT = "Content";
final String TAG_QUESTION_CHOSENANSWER = "ChosenAnswer";
final String TAG_ANSWERS = "Answers";
final String TAG_ANSWER = "Answer";
JSONArray Question = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//setContentView(R.layout.listview);
//questionList = new ArrayList<HashMap<String, String>>();
android.widget.ListView lv = getListView();
new LoadAllData().execute();
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,int position, long id) {
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (resultCode == 100) {
Intent intent = getIntent();
startActivity(intent);
finish();
}
}
class LoadAllData extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(ListView.this);
pDialog.setMessage("Loading Data. Please wait...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(false);
pDialog.show();
//JSONParsser jParser = new JSONParsser();
}
protected String doInBackground(String... args) {
JSONObject json = jParser.getJSONFromURI(URI);
try {
Question = json.getJSONArray(TAG_QUESTION);
for(int i = 0; i < Question.length(); i++) {
JSONObject q = Question.getJSONObject(i);
String Subject = q.getString(TAG_QUESTION_SUBJECT);
String NumAnswers = q.getString(TAG_QUESTION_NUMANSWERS);
String ChosenAnswers = q.getString(TAG_QUESTION_CHOSENANSWER);
String Content = q.getString(TAG_QUESTION_CONTENT);
JSONObject Answers = q.getJSONObject(TAG_ANSWERS);
String Answer = Answers.getString(TAG_ANSWER);
questionList = new ArrayList<HashMap<String, String>>();
HashMap<String, String> map = new HashMap<String, String>();
map.put(TAG_QUESTION_SUBJECT, Subject);
map.put(TAG_QUESTION_NUMANSWERS, NumAnswers);
questionList.add(map);
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(String file_URI) {
if (pDialog != null && pDialog.isShowing()) pDialog.dismiss();
runOnUiThread(new Runnable() {
public void run() {
ListAdapter adapter = new SimpleAdapter(getBaseContext(), questionList,
R.layout.row,
new String[] { TAG_QUESTION_SUBJECT, TAG_QUESTION_NUMANSWERS }, new int[] {
R.id.Subject, R.id.NumAnswers });
setListAdapter(adapter);
}
});
}
}}
公共类ListView扩展ListActivity{
私人对话;
JSONPARSER jParser=新的JSONPARSER();
ArrayList问题列表;
私有静态字符串URI=”http://example.com/json";;
//JSONObject json=jParser.getJSONFromURI(URI);
最后一个字符串TAG_QUESTION_SUBJECT=“SUBJECT”;
最后一个字符串标记\问题\ NUMANSWERS=“NUMANSWERS”;
最后一个字符串标记\u QUESTION=“QUESTION”;
最后一个字符串TAG_QUESTION_CONTENT=“CONTENT”;
最后一个字符串标记\u QUESTION\u CHOSENANSWER=“CHOSENANSWER”;
最终字符串标记_ANSWERS=“ANSWERS”;
最终字符串标记_ANSWER=“ANSWER”;
JSONArray问题=null;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
//setContentView(R.layout.listview);
//questionList=新的ArrayList();
android.widget.ListView lv=getListView();
新建LoadAllData().execute();
lv.setOnItemClickListener(新的OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父对象、视图、整型位置、长id){
}
});
}
@凌驾
受保护的void onActivityResult(int请求代码、int结果代码、意图数据){
super.onActivityResult(请求代码、结果代码、数据);
如果(结果代码==100){
Intent=getIntent();
星触觉(意向);
完成();
}
}
类LoadAllData扩展异步任务{
@凌驾
受保护的void onPreExecute(){
super.onPreExecute();
pDialog=newprogressdialog(ListView.this);
pDialog.setMessage(“正在加载数据,请稍候…”);
pDialog.setUndeterminate(假);
pDialog.setCancelable(假);
pDialog.show();
//JSONPARSER jParser=新的JSONPARSER();
}
受保护的字符串doInBackground(字符串…args){
JSONObject json=jParser.getJSONFromURI(URI);
试一试{
Question=json.getJSONArray(TAG_-Question);
对于(int i=0;i<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<TextView
android:id="@+id/Subject"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
<TextView
android:id="@+id/NumAnswers"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>