它打破，而试图为空字符串转换为整数。什么是错的，当通过你的字符串到下一个活动。尝试通过你的字符串额外通过捆绑来代替：

It's breaking while trying to convert an empty string to an integer. Something is wrong while passing your string to the next activity. Try passing your string extra through a bundle instead:

Bundle b = new Bundle();
b.putString("key", string);
//put into your intent
yourIntent.putExtras(b);

然后把它在你的下一个活动：

Then get it in your next activity:

Bundle b = getIntent().getExtras();
String s = b.getString("key");

您也确实需要切换你TextViews你的声明，当你进行设置。你不能设置他们，如果他们还没有宣布。

You also do need to switch your declarations of your TextViews and when you set them. You can't set them if they are not yet declared.

编辑：还有一件事。我假设你的 仅 的要输入到该的EditText整数。你应该设置inputType就可以了，如果你还没有。

One more thing. I'm assuming you only want integers typed into that EditText. You should set the inputType on it, if you haven't already.

编辑2：不要觉得迟钝，我们都是初学者在一个点！首先，请尝试使用一个包，看看有什么你输入到你的EditText正确传递到下一个活动。

Edit 2: Don't feel retarded, we were all beginners at one point! Firstly, try using a bundle and see if what you type into your EditText is properly passed to the next activity.

二，将 inputType 为的EditText 在XML文件中。如果是这样的安卓inputType =号。

Second, you set the inputType for the EditText in your XML file. Should be something like android:inputType="number".

该声明是这些行：

column1tv = (TextView) findViewById(R.id.column1text);

您正在创建一个对象，你TextViews。然后，你在这里设置它们：

You're creating an object for your TextViews. Then, you set them here:

column1tv.setText(counter1);

您必须创建和实例化对象之前，你可以用它做任何事情。

You must create and instantiate the object before you can do anything with it.

编辑3： 好吧，从您发布的截图中，我收集了以下内容：

Edit 3: Okay, from the screenshot you posted, I gathered the following:

第一 - 您正在创建的对象计数器1，计数器等。，但你永远实例他们任何东西。这可能是在那里你得到你的最新异常。

First- You're creating the objects counter1, counter2, etc.. but you're never instantiating them with anything. Which is probably where you're getting your latest exception.

二 - 你得到的的String = b.getString（笑）警告; ，因为它是一个未使用的本地变量。 （请在Eclipse中的问题选项卡，你会看到你在你的code什么的警告/问题）。你不这样做与从previous活动传递的字符串值的东西。

Second- You're getting the warning on the String s = b.getString("lol"); because it's an unused local variable. (Check the problems tab in Eclipse and you'll see what the warnings/problems you have in your code). You're not doing anything with the string value that was passed from the previous activity.