1. An activity needs to be registered with a layout before it can be used
  2. The best way to start an activity

Public static void actionStart(Context Context string data1) {pubic class MyActivity extends BaseActivity{public static void actionStart(Context Context String data1) { Intent intent=new Intent(context,MyActivity.class); intent.putExtra(“para1″,data1); context.startActivity(intent); }} The startup code also simplifies MyActivity accordingly. ActionStart (FActivity. This,”data1”);