Android “活动”在转到下一个活动时泄漏了窗口

我试图在从一个活动转到第二个活动时显示进度对话。不幸的是，我经常遇到这样的错误：

05-17 17:58:30.274  29115-29115/me.tb.player E/WindowManager﹕ android.view.WindowLeaked: Activity me.tb.player.SkeletonActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{1ec8d3e2 V.E..... R......D 0,0-1026,288} that was originally added here
            at android.view.ViewRootImpl.<init>(ViewRootImpl.java:363)
            at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:261)
            at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
            at android.app.Dialog.show(Dialog.java:298)
            at me.tb.player.SkeletonActivity$GetProgress.onPreExecute(SkeletonActivity.java:1140)
            at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:587)
            at android.os.AsyncTask.execute(AsyncTask.java:535)
            at me.tb.player.SkeletonActivity$13.onClick(SkeletonActivity.java:1178)
            at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:160)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:135)
            at android.app.ActivityThread.main(ActivityThread.java:5254)
            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:898)
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:693)

下面是对话：

我认为问题与在进行下一个活动时未正确调用警报对话框上的Disclease有关。或者我的进度对话框有错误。有人能帮忙吗

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或者，在从一个活动转到下一个活动时，是否有一种更简单的方法来创建进度对话框？我真的需要使用异步任务吗？

您必须在完成当前活动之前关闭对话框。

这是因为不正确地关闭进度对话框-那么我应该如何关闭它呢？ProgressDialog，不是AlertDialog，因为我认为一旦您点击AlertDialog的任何按钮，它就会自动被解除。您在哪里调用下一个活动？您在turnComplete中做什么？

  private class GetProgress extends AsyncTask<Void, Void, Void> {

        ProgressDialog dialog1;

        protected void onPreExecute() {
            super.onPreExecute();
            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB) {
                dialog1 = new ProgressDialog(new ContextThemeWrapper(
                        SkeletonActivity.this, android.R.style.Theme_Holo_Light_Dialog));
            } else {
                dialog1 = new ProgressDialog(SkeletonActivity.this);
            }
            dialog1.setCanceledOnTouchOutside(false);
            dialog1.show();
        }

        protected Void doInBackground(Void... params) {
            runOnUiThread(new Runnable() {
                @Override
                public void run() {
                    updateScore();
                    clearText();
                    turnComplete();
                }
            });
            return null;
        }

        protected void onPostExecute() {
            dialog1.dismiss();
        }
    }

   public void messageAtEndOfTurn(String message) {
        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);

        alertDialogBuilder.setMessage(message);
        alertDialogBuilder.setCancelable(false).setPositiveButton("Yes",
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int id) {
                        GetProgress getProgress = new GetProgress();
                        getProgress.execute();
                    }
                }
                }).setNegativeButton("No", new DialogInterface.OnClickListener() {

            @Override
            public void onClick(DialogInterface dialog, int id) {
                clear();
            }
        });

        mAlertDialog = alertDialogBuilder.create();

        mAlertDialog.show();
}