我正在尝试检测用户是否在其设备上激活了互联网连接,如果它没有连接到互联网,它应该将用户带到设置应用程序以激活Wi-Fi/移动数据。
if(!HelperFunctions.hasInternetAccess(this)){
Toast.makeText(this, "You are not connected to the Internet. Please connect to wi-fi or activate your mobile data.", Toast.LENGTH_LONG).show();
startActivity(new Intent(Settings.ACTION_SETTINGS));
}
但是,我收到一长串错误:
Activity com.[packageName].scanner.ReadCardActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@42c74c40 that was originally added here
android.view.WindowLeaked: Activity com.[packageName].scanner.ReadCardActivity has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView@42c74c40 that was originally added here
at android.view.ViewRootImpl.<init>(ViewRootImpl.java:402)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:311)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:224)
at android.view.WindowManagerImpl$CompatModeWrapper.addView(WindowManagerImpl.java:149)
at android.view.Window$LocalWindowManager.addView(Window.java:554)
at android.app.Dialog.show(Dialog.java:277)
at android.app.AlertDialog$Builder.show(AlertDialog.java:932)
at com.touchtechpayments.scanner.ReadCardActivity.onCreate(ReadCardActivity.java:83)
at android.app.Activity.performCreate(Activity.java:5206)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1083)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2064)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2125)
at android.app.ActivityThread.access$600(ActivityThread.java:140)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1227)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4898)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773)
at dalvik.system.NativeStart.main(Native Method)
当它是导致问题的对话框时,我已经看到了很多解决方案,但没有特定于 Toasts 的解决方案。如果它有帮助,那段代码在onCreate()方法中,它应该在AsyncTask中还是其他任何东西中?
如果您在退出活动后尝试显示对话框等,则会发生此错误。
在退出活动之前,必须在 中创建的对话框中调用dismiss()
。
例如,请参阅此代码
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.new_button:
openMyAlertDialog();
break; <-- If you forget this the finish() method below
will be called while the dialog is showing!
case R.id.exit_button:
finish();
break;
}
}
发布完整的代码,以便我可以告诉您代码中到底出了什么问题
请参阅这些链接以获取帮助
活动已泄露最初添加的窗口
android 活动已泄露 window com.android.internal.policy.impl.phonewindow$decorview 问题
试试这个:
private boolean isNetworkAvailable()
{
ConnectivityManager connectivityManager
= (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
return activeNetworkInfo != null && activeNetworkInfo.isConnected();
}
if (!isNetworkAvailable())
{
Toast.makeText(this, "You are not connected to the Internet. Please connect to wi-fi or activate your mobile data.", Toast.LENGTH_LONG).show();
startActivity(new Intent(Settings.ACTION_SETTINGS));Toast.LENGTH_LONG).show();
}