创建Activity ·通过继承Activity基类的方式实现自定义的BaseActivity类 import android.app.Activity; import android.os.Bundle; public class BaseActivity extends Activity @Override public void onCreate(Bundle savedInstanceState){ super.onCreate(savedInstancestate); setContentview(R.layout.activity_main); Android软件开发 主讲：王海Android软件开发 主讲：王海 创建Activity • 通过继承Activity基类的方式实现自定义的BaseActivity类 import android.app.Activity; import android.os.Bundle; public class BaseActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } }