在类中使用getSystemService的时候需要这样进行使用:1. public class JajaMenu extends Activity { public static JajaMenu instance; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); super.init(); instance=this; } //获取实例 public
package com.liucanwen.baidulocation.util; import android.app.Activity; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.widget.Toast; public class NetworkStatus { public boolean ne
package com.way.util; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo.State; public class NetUtil { public static final int NETWORN_NONE = 0; public static final int NETWORN_WIFI = 1; public stat