android 不同activity之间传递数据

1> 不同activity之间传递数据:

Intent intent=new Intent();

intent.setClass(activity1.this,activity2.class);

Bundle bundle=new Bundle();

bundle.putString("name","username");

bundle.putString("pwd","12345");

intent.putExtras(bundle);

StartActivity(this);

activity1.this.finish();