I want to implement the effect of switching between pages. Like the Contracts in

Question

Asked: June 14, 20262026-06-14T06:53:06+00:00 2026-06-14T06:53:06+00:00

I want to implement the effect of switching between pages. Like the Contracts in android 4.0, including AndroidBar ,Tab and ViewPager.

But when I create the android project by eclipse, it shows “your project contain errors,please fix them before running your application”.

I had imported the jar from the android SDK to the project, the path is

  **\android-sdk\extras\android\support\v13\android-support-v13.jar**

The way to import the jar is this:

**project --> Properties --> Java build path --> 
  Libraries --> Add external JARs.. --> android-support-v13.jar --> OK**

But in the java code , the eclipse import following the code automatically

  **import com.example.android.supportv13.R;
    ...**

Then , I delete the import sentence which contains com.example .It’s the same problem.

I had cleaned the project many times . It doesn’t work.

Is the android-support-v13.jar file out of place ?

Thanks.

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Editorial Team · Answer 1 · 2026-06-14T06:53:08+00:00

Editorial Team

The way to import the jar is this:

project –> Properties –> Java build path –>
Libraries –> Add external JARs.. –> android-support-v13.jar –> OK

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