title: Create a view by Java code
body: <p>I used the following code to add a view in a layout </p>
  
  <pre><code>LinearLayout linearLayout_row1_recent_released = (LinearLayout)findViewById(R.id.linearLayout);
      View myview = findViewById(R.layout.row);
       Button button = myview.findViewById(R.id.mybutton);
       linearLayout_row1_recent_released.removeAllViews();
       linearLayout_row1_recent_released.addView(myview,LinearLayout.LayoutParams.FILL_PARENT);
  </code></pre>
  
  <p>Using row.xml i've tried to get a view. 
  What i get is a FATAL EXCEPTION.  </p>
  
  <pre><code>02-11 02:59:04.278: ERROR/AndroidRuntime(780): FATAL EXCEPTION: main
  02-11 02:59:04.278: ERROR/AndroidRuntime(780): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aaaaa.ap/com.aaaaaa.ap.AppPlaceMain}: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aaaaaa.ap/com.aaaaaa.ap.Store}: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aaa.ap/com.aaaaaa.ap.catalog.Home}: java.lang.NullPointerException
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1701)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1717)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.access$1500(ActivityThread.java:123)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:984)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.os.Handler.dispatchMessage(Handler.java:99)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.os.Looper.loop(Looper.java:126)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.main(ActivityThread.java:3900)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at java.lang.reflect.Method.invokeNative(Native Method)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at java.lang.reflect.Method.invoke(Method.java:491)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at dalvik.system.NativeStart.main(Native Method)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780): Caused by: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aaaaaa.ap/com.aaaaaa.ap.Store}: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aaaaaaa.ap/com.aaaaaaa.ap.catalog.Home}: java.lang.NullPointerException
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1701)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.startActivityNow(ActivityThread.java:1543)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:130)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:342)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:680)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.widget.TabHost.setCurrentTab(TabHost.java:349)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1665)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     ... 11 more
  02-11 02:59:04.278: ERROR/AndroidRuntime(780): Caused by: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.aaaaaaa.ap/com.aaaaaa.ap.catalog.Home}: java.lang.NullPointerException
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1701)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.startActivityNow(ActivityThread.java:1543)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.LocalActivityManager.moveToState(LocalActivityManager.java:130)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.LocalActivityManager.startActivity(LocalActivityManager.java:342)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at com.aaaaad.ap.Store.onCreate(Store.java:29)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1665)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     ... 20 more
  02-11 02:59:04.278: ERROR/AndroidRuntime(780): Caused by: java.lang.NullPointerException
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.view.ViewGroup.addView(ViewGroup.java:2684)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at com.aaaaa.ap.catalog.Home.onCreate(Home.java:51)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1665)
  02-11 02:59:04.278: ERROR/AndroidRuntime(780):     ... 26 more
  </code></pre>
  
  <p>Is there any other good way to add views dynamically to a linear layout?  What have I done wrong here ? </p>