本文共 3480 字，大约阅读时间需要 11 分钟。

package cc.vv;import java.lang.reflect.Method;import android.net.ConnectivityManager;import android.net.wifi.WifiManager;import android.os.Bundle;import android.telephony.TelephonyManager;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.app.Activity;import android.content.Context;/** * Demo描述: * 1 打开和关闭Wifi * 2 打开和关闭设备的移动数据(2G/3G) *  *  * 注意权限: * 
    * 
    * 
    * 
    * 
    *  * 参考资料: * 1 http://blog.csdn.net/u011485531/article/details/18016351 * 2 http://blog.csdn.net/li_star/article/details/38758453 *   Thank you very much */public class MainActivity extends Activity {    private Button mOpenWifiButton;    private Button mCloseWifiButton;    private Button mOpenMobileDataButton;    private Button mCloseMobileDataButton;    private Context mContext;    private ClickListenerImpl mClickListenerImpl;    private WifiManager mWifiManager;    private TelephonyManager mTelephonyManager;    private ConnectivityManager mConnectivityManager;    private boolean isMobileDataEnabled=false;    private Method mMethod;	@Override	protected void onCreate(Bundle savedInstanceState) {		super.onCreate(savedInstanceState);		setContentView(R.layout.main);		init();	}	private void init(){		mContext=this;		mClickListenerImpl=new ClickListenerImpl();				mWifiManager=(WifiManager) mContext.getSystemService(Context.WIFI_SERVICE);		mConnectivityManager=(ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);		mTelephonyManager=(TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);		//判断当前手机是否在使用MobileData(移动数据)		if (mTelephonyManager.getDataState()==TelephonyManager.DATA_CONNECTED) {			isMobileDataEnabled=true;		}				mOpenWifiButton=(Button) findViewById(R.id.openWifiButton);		mOpenWifiButton.setOnClickListener(mClickListenerImpl);				mCloseWifiButton=(Button) findViewById(R.id.closeWifiButton);		mCloseWifiButton.setOnClickListener(mClickListenerImpl);				mOpenMobileDataButton=(Button) findViewById(R.id.openMobileDataButton);		mOpenMobileDataButton.setOnClickListener(mClickListenerImpl);				mCloseMobileDataButton=(Button) findViewById(R.id.closeMobileDataButton);		mCloseMobileDataButton.setOnClickListener(mClickListenerImpl);			}			private class ClickListenerImpl implements OnClickListener {		@Override		public void onClick(View v) {			switch (v.getId()) {			case R.id.openWifiButton:				openWifi();				break;			case R.id.closeWifiButton:				closeWifi();				break;			case R.id.openMobileDataButton:				openMobileData();				break;			case R.id.closeMobileDataButton:				closeMobileData();				break;			default:				break;			}		}	}			//打开Wifi	private void openWifi(){		if (!mWifiManager.isWifiEnabled()) {			mWifiManager.setWifiEnabled(true);		}	}		//关闭Wifi	private void closeWifi(){		if (mWifiManager.isWifiEnabled()) {			mWifiManager.setWifiEnabled(false);		}	}		//打开移动数据	private void openMobileData(){		if (!isMobileDataEnabled) {			try {				mMethod=ConnectivityManager.class.getDeclaredMethod("setMobileDataEnabled", Boolean.TYPE);				mMethod.invoke(mConnectivityManager, true);				isMobileDataEnabled=true;			} catch (Exception e) {			}					}	}			//关闭移动数据    private void closeMobileData(){    	if (isMobileDataEnabled) {			try {				mMethod=ConnectivityManager.class.getDeclaredMethod("setMobileDataEnabled", Boolean.TYPE);				mMethod.invoke(mConnectivityManager, false);				isMobileDataEnabled=false;			} catch (Exception e) {			}					}	}	}

转载地址：https://it9527.blog.csdn.net/article/details/40543357 如侵犯您的版权，请留言回复原文章的地址，我们会给您删除此文章，给您带来不便请您谅解！