set list adapter not working !!

(```) package com.example.jacosynthesis14;

import android.os.Bundle; import android.app.Activity; import android.app.LauncherActivity; import android.view.Menu; import android.widget.ArrayAdapter;

public class MainListActivity extends Activity {

protected String[] mAndroidNames={
        "one",
        "Two",
        "three",
        "four",
        "five",
        "six",
        "seven"
}; 
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main_list);
    ArrayAdapter<String> adapter=new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mAndroidNames); 
    setListAdapter(adapter);    }

(```) this is the code It gives an error on setListAdapter(adapter);
asks me to create method setListAdapter oh and i am also getting these errors

Description Resource Path Location Type ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 85 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 98 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 102 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 103 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 43 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 49 Java Problem FragmentPagerAdapter cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 81 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 82 Java Problem The method onPageScrolled(int, float, int) of type FragmentNestingPagerSupport.TabsAdapter must override or implement a supertype method FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 128 Java Problem The method onPageSelected(int) of type FragmentNestingPagerSupport.TabsAdapter must override or implement a supertype method FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 132 Java Problem The method onPageScrollStateChanged(int) of type FragmentNestingPagerSupport.TabsAdapter must override or implement a supertype method FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 137 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 145 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 104 Java Problem The method setListAdapter(ArrayAdapter<String>) is undefined for the type MainListActivity MainListActivity.java /JacoSynthesis/src/com/example/jacosynthesis14 line 25 Java Problem The method notifyDataSetChanged() is undefined for the type FragmentNestingPagerSupport.TabsAdapter FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 113 Java Problem The method getItem(int) of type FragmentStatePagerSupport.MyAdapter must override or implement a supertype method FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 84 Java Problem The method getCount() of type FragmentNestingPagerSupport.TabsAdapter must override or implement a supertype method FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 117 Java Problem The method getItem(int) of type FragmentNestingPagerSupport.TabsAdapter must override or implement a supertype method FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 122 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 53 Java Problem The method getCount() of type FragmentStatePagerSupport.MyAdapter must override or implement a supertype method FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 79 Java Problem FragmentStatePagerAdapter cannot be resolved to a type FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 73 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 47 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 46 Java Problem ViewPager cannot be resolved to a type FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 68 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 45 Java Problem ViewPager cannot be resolved to a type FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 62 Java Problem ViewPager cannot be resolved to a type FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 56 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 45 Java Problem ViewPager cannot be resolved to a type FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 55 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 38 Java Problem ViewPager cannot be resolved to a type FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 55 Java Problem The import android.support cannot be resolved ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 30 Java Problem ViewPager cannot be resolved to a type FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 46 Java Problem The import android.support cannot be resolved ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 29 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 41 Java Problem The method notifyDataSetChanged() is undefined for the type ActionBarTabsPager.TabsAdapter ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 115 Java Problem The import android.support cannot be resolved FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 23 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 106 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 34 Java Problem The import android.support cannot be resolved FragmentStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 22 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 105 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 42 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 104 Java Problem ViewPager cannot be resolved to a type FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 41 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 100 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 87 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 84 Java Problem The import android.support cannot be resolved FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 30 Java Problem FragmentPagerAdapter cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 83 Java Problem The import android.support cannot be resolved FragmentNestingPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 29 Java Problem The method getCount() of type ActionBarTabsPager.TabsAdapter must override or implement a supertype method ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 119 Java Problem The method getItem(int) of type ActionBarTabsPager.TabsAdapter must override or implement a supertype method ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 124 Java Problem The method onPageScrolled(int, float, int) of type ActionBarTabsPager.TabsAdapter must override or implement a supertype method ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 130 Java Problem The method onPageSelected(int) of type ActionBarTabsPager.TabsAdapter must override or implement a supertype method ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 134 Java Problem The method onPageScrollStateChanged(int) of type ActionBarTabsPager.TabsAdapter must override or implement a supertype method ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 139 Java Problem ViewPager cannot be resolved to a type ActionBarTabsPager.java /Support13Demos/src/com/example/android/supportv13/app line 147 Java Problem The method setBackgroundDrawable(Drawable) from the type View is deprecated CheckableFrameLayout.java /Support13Demos/src/com/example/android/supportv13/view line 38 Java Problem [I18N] Hardcoded string "Button", should use @string resource activity_main_list.xml /JacoSynthesis/res/layout line 28 Android Lint Problem The import android.support cannot be resolved FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 22 Java Problem ViewPager cannot be resolved to a type FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 46 Java Problem The import android.support cannot be resolved FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 23 Java Problem ViewPager cannot be resolved to a type FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 55 Java Problem ViewPager cannot be resolved to a type FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 55 Java Problem ViewPager cannot be resolved to a type FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 62 Java Problem ViewPager cannot be resolved to a type FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 56 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 41 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 36 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 34 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 36 Java Problem The import android.support cannot be resolved FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 30 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 34 Java Problem The import android.support cannot be resolved FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 29 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 33 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 33 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 28 Java Problem The import android.support cannot be resolved FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 22 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 49 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 43 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 40 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 40 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 38 Java Problem FragmentTabHost cannot be resolved to a type FragmentTabsFragment.java /Support13Demos/src/com/example/android/supportv13/app line 38 Java Problem The method onPageScrolled(int, float, int) of type FragmentNestingStatePagerSupport.TabsAdapter must override or implement a supertype method FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 128 Java Problem The method getCount() of type FragmentPagerSupport.MyAdapter must override or implement a supertype method FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 79 Java Problem The method onPageSelected(int) of type FragmentNestingStatePagerSupport.TabsAdapter must override or implement a supertype method FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 132 Java Problem The method getItem(int) of type FragmentPagerSupport.MyAdapter must override or implement a supertype method FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 84 Java Problem ViewPager cannot be resolved to a type FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 68 Java Problem The method getCount() of type FragmentNestingStatePagerSupport.TabsAdapter must override or implement a supertype method FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 117 Java Problem FragmentPagerAdapter cannot be resolved to a type FragmentPagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 73 Java Problem The method getItem(int) of type FragmentNestingStatePagerSupport.TabsAdapter must override or implement a supertype method FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 122 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 104 Java Problem The method notifyDataSetChanged() is undefined for the type FragmentNestingStatePagerSupport.TabsAdapter FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 113 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 102 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 103 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 85 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 98 Java Problem FragmentStatePagerAdapter cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 81 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 82 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 43 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 49 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 41 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 42 Java Problem ViewPager cannot be resolved to a type FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 145 Java Problem The method onPageScrollStateChanged(int) of type FragmentNestingStatePagerSupport.TabsAdapter must override or implement a supertype method FragmentNestingStatePagerSupport.java /Support13Demos/src/com/example/android/supportv13/app line 137 Java Problem

please help