java.lang.NullPointerException

So I've been struggling with this for the past few hours and searching SO before I don't think I can find a way to sovle my problem. Basically I'm trying to use Context inside of the Fragment extension and it's giving me errors I've pasted the full code here in this gist enter link description here From what I found on SO it sounds like this happens when there is null for

显示java.lang.NullPointerException

所以在过去的几个小时里,我一直在为此苦苦挣扎,并且在找不到解决我的问题的方法之前进行搜索。 基本上我试图在Fragment扩展中使用Context,它给了我错误,我在这个要点中粘贴了完整的代码 在此处输入链接描述 从我在SO上发现的情况来看,这听起来像是在Context有null时发生的,但我不明白如何解决这个问题。 logcat的: > 06-18 10:20:08.972 5718-5718/com.aparosecurity.kblock W/dalvikvm﹕ > threadid=1: threa

Show keyboard automatically

Please explain me the issue about soft keyboard. For example, I have an EditText on my activity or dialogfragment or fragmentactivity, whatever. here it is: <EditText android:id="@+id/edPswrd" android:layout_width="match_parent" android:layout_height="wrap_content" android:ems="10" android:inputType="textPassword" > <requestFocus /> </EditText> When

自动显示键盘

请解释我关于软键盘的问题。 例如,我在我的活动或dialogfragment或fragmentactivity上有一个EditText,无论如何。 这里是: <EditText android:id="@+id/edPswrd" android:layout_width="match_parent" android:layout_height="wrap_content" android:ems="10" android:inputType="textPassword" > <requestFocus /> </EditText> 当它第一次显示时,我看不到软键盘,必须按edit

Show soft keyboard when the device is landscape mode

This code seems not to work in Landscape mode: EditText destinationSearch = (EditText) findViewById(R.id.destinationSearch); destinationSearch.requestFocus(); InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); imm.showSoftInput(destinationSearch, InputMethodManager.SHOW_IMPLICIT); Is there any solution to show the soft keyboard in Landscape mode

当设备处于横向模式时显示软键盘

此代码似乎不能在横向模式下工作: EditText destinationSearch = (EditText) findViewById(R.id.destinationSearch); destinationSearch.requestFocus(); InputMethodManager imm =(InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE); imm.showSoftInput(destinationSearch,InputMethodManager.SHOW_IMPLICIT); 是否有任何解决方案在风景模式下显示软键盘? 你需要使用show强制InputMethodM

How to make these buttons functional?

I have an app that I have almost finished which is a scoreboard app. When the user does a LongClick on the score, currently a dialog box appears which shows an EditText field with an OK and CANCEL button. When the user clicks the EditText field a keypad appears (numbers only) in which the user types in the new score, clicks DONE and then the EditText field shows the new value in the dialog box

如何使这些按钮功能?

我有一个应用程序,我已经几乎完成了这是一个记分牌应用程序。 当用户在乐谱上做LongClick时,会出现一个对话框,其中显示带有OK和CANCEL按钮的EditText字段。 当用户单击EditText字段时,会出现一个键盘(仅限数字),用户在其中输入新乐谱,单击DONE,然后EditText字段在对话框中显示新值,当用户单击确定时,会保存输入的值到显示当前分数的TextView。 问题是我觉得这很麻烦。 这是我想要发生的事情: 用户在分数上做L

Is there a way to disable the "keyboard

Is there a way to disable/hide this keyboard-dismiss button and keep the soft-keyboard open? I want to have the default back-button there and when that button is pressed it should finish() my activity without having to dismiss the keyboard first. I have tried this: android:windowSoftInputMode="adjustResize|stateAlwaysVisible" in my manifest file, but that didn't do what I expect

有没有办法禁用“键盘”

有没有办法禁用/隐藏此键盘解除按钮并保持软键盘打开? 我想在那里有默认的后退按钮,当按下该按钮时,它应该finish()我的活动,而不必先关闭键盘。 我已经试过这个:我的清单文件中的android:windowSoftInputMode="adjustResize|stateAlwaysVisible" ,但这并没有达到我的预期。 我决定不应该混淆Android标准的含义,如果他们愿意,我选择让用户解雇键盘。 在清单文件的活动中使用android:windowSoftInputMode=

Hide the keyboard after a user finishes a query on a SearchView

Hi I am having trouble figuring out how to hide the Android Virtual Keyboard after a search query with a search view. I want the keyboard to disappear when the user presses the return key (ideally when they tap anywhere outside the keyboard but I will settle for the return key for now). I have it working for a query using onQueryTextSubmit working: public boolean onQueryTextSubmit(String s) {

用户在SearchView上完成查询后隐藏键盘

您好,我无法弄清楚如何隐藏搜索查询后的Android虚拟键盘搜索视图。 当用户按下返回键时,我希望键盘消失(理想情况下,当他们点击键盘外的任何地方,但我现在将决定返回键)。 我有它使用onQueryTextSubmit工作的查询工作: public boolean onQueryTextSubmit(String s) { //Search stuff... searchView.clearFocus(); return true; } 但是,如果查询是空字符串,我希望它也可以工作。 问题是

Android abs with SearchView, onQueryTextListener not working

I'm trying to use the SearchView Support v4 version with action bar sherlock. So i have my search button in the action bar -> when i touch it the keyboard show up and the searchBar too. My problem is that i need to use the listeners onQueryTextSubmit and onQueryTextChange but they are never fired. I need to use the searh query string and do custom stuff with it. Here is the full act

使用SearchView的Android abs,onQueryTextListener不起作用

我正在尝试使用带有操作栏sherlock的SearchView Support v4版本。 所以我有我的搜索按钮在操作栏 - >当我触摸它的键盘显示和searchBar了。 我的问题是,我需要使用侦听器onQueryTextSubmit和onQueryTextChange,但他们永远不会被解雇。 我需要使用searh查询字符串,并使用它自定义的东西。 这里是完整的activity.java public class ActivityMain extends SherlockFragmentActivity implements OnQueryTextListener, Di

Android SearchView empty string

I'm trying to use a SearchView and I got everything to work, except when I want to search an empty string. The onQueryTextChange does react when I remove the last character, but I want the user to be able to press the search button when the searchfield is empty. final SearchView.OnQueryTextListener queryTextListener = new SearchView.OnQueryTextListener() { @Override

Android SearchView为空字符串

我正在尝试使用SearchView,并且除了当我想搜索一个空字符串时,我已经完成了所有工作。 当我删除最后一个字符时,onQueryTextChange会做出反应,但我希望用户能够在搜索字段为空时按下搜索按钮。 final SearchView.OnQueryTextListener queryTextListener = new SearchView.OnQueryTextListener() { @Override public boolean onQueryTextChange(String newText) { //

try to connect to Dropbox API version 2

I'm try to connect to Dropbox api version 2 via Android Studio but I get this exception: 04-27 23:49:33.356 6482-6482/com.example.user.trackyournevi E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.user.trackyournevi, PID: 6482

尝试连接到Dropbox API版本2

我试图通过Android Studio连接到Dropbox api版本2,但我得到这个异常: 04-27 23:49:33.356 6482-6482/com.example.user.trackyournevi E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.user.trackyournevi, PID: 6482 java.lang.Runti

Is it possible to checkout only the directory structure in cvsclient in Java?

I am using the org-netbeans-lib-cvsclient.jar to execute various cvs commands in a java class that communicates with CVS. I am able to do a cvs checkout command, add, commit, etc. However, I need to find out which command is equivalent to the cvs ls -R command. Here is the code I wrote that allows to do a cvs check out: CheckoutCommand command = new CheckoutCommand(); command.setBuilder(nul

是否有可能仅检出Java中cvsclient的目录结构?

我正在使用org-netbeans-lib-cvsclient.jar在与CVS通信的java类中执行各种cvs命令。 我能够做一个CVS签出命令,添加,提交等。 但是,我需要找出哪个命令等同于cvs ls -R命令。 这里是我写的代码,可以做一个CVS检查: CheckoutCommand command = new CheckoutCommand(); command.setBuilder(null); command.setRecursive(true); command.setModule(module); if(revision!=null) { command.setCheckoutByRevision(revis