Android - java.lang.RuntimeException:无法从parcel读取输入通道文件描述符

时间:2016-02-05 06:11:20

标签: java android android-studio

我在运行应用程序时遇到致命异常:主要问题。它首先运行但几秒钟就崩溃了。

这是我的Logcat:

java.lang.RuntimeException: Could not read input channel file descriptors from parcel.
                                                 at android.view.InputChannel.nativeReadFromParcel(Native Method)
                                                 at android.view.InputChannel.readFromParcel(InputChannel.java:148)
                                                 at android.view.IWindowSession$Stub$Proxy.addToDisplay(IWindowSession.java:752)
                                                 at android.view.ViewRootImpl.setView(ViewRootImpl.java:527)
                                                 at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:282)
                                                 at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:85)
                                                 at android.app.Dialog.show(Dialog.java:298)
                                                 at android.app.AlertDialog$Builder.show(AlertDialog.java:993)
                                                 at com.mobext.shakeys.ActivityMain$ProcessData.onPostExecute(ActivityMain.java:545)
                                                 at com.mobext.shakeys.ActivityMain$ProcessData.onPostExecute(ActivityMain.java:212)
                                                 at android.os.AsyncTask.finish(AsyncTask.java:636)
                                                 at android.os.AsyncTask.access$500(AsyncTask.java:177)
                                                 at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:653)
                                                 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:903)
                                                 at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)

在我的ActivityMain.java:542 alrt.show()里面这是logcat指向的地方:

@Override
    protected void onPostExecute(Boolean result) {
        Log.i(TAG, "onPostExecute");
        super.onPostExecute(result);
        if(result){

            Log.i(TAG, "TASK IS DONE");
            try {
                PackageInfo pInfo = getPackageManager().getPackageInfo(getPackageName(), 0);
                app.saveToLastPref(ActivityMain.this, app.PREFS_PREV_VERSION, pInfo.versionName);
            } catch (NameNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
            Intent intent = new Intent(getApplicationContext(), ActivityMenuPage.class);
            startActivity(intent);
            finish();
        }else{
            ActivityMain.this.deleteDatabase("DBSHAKEYS");
            Builder alrt = new AlertDialog.Builder(mcontext);
            alrt.setMessage("Update failed. Please check your internet connection and try again.");
            alrt.setPositiveButton("Okay", new OnClickListener() {

                @Override
                public void onClick(DialogInterface dialog, int which) {
                    finish();
                }
            });
            alrt.show();
        }
    }

}

在ActivityMain.java:212:

public class ProcessData extends AsyncTask<Void, Void, Boolean> 

1 个答案:

答案 0 :(得分:0)

我认为Builder是您现在用来显示AlertDialog的自定义类。

以下是可能发生的事情

在您的某些后台进程执行完毕后,会自动调用onPostExecute()方法。然后它尝试使用Builder类,它当前正由另一个进程使用,并且仍然在内存中运行。

如何才能解决?

  1. 检查您的代码,看看是否已经使用了对话框 Builder类。
  2. 只需更改此行即可 Builder alrt = new AlertDialog.Builder(mcontext);通常AlertDialog.Builder alrt = new AlertDialog.Builder(mcontext); 看看这是否有效。