<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.entel.research" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="7" /> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:debuggable="true"> <activity android:label="@string/app_name" android:name=".WifiManagerActivity" > <intent-filter > <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /> <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" /> <uses-permission android:name="android.permission.WAKE_LOCK" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> </manifest>
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <Button android:id="@+id/wifiManager_open" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="打开WiFi" /> <Button android:id="@+id/wifiManager_close" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="关闭WiFi" /> <Button android:id="@+id/wifiManager_check" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="显示WiFi状态" /> <Button android:id="@+id/wifiManager_WIFI_SETTINGS" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="WiFi网络设置" /> <Button android:id="@+id/threeGManager_State" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="显示3G边境状态" /> <Button android:id="@+id/wifiManager_WIRELESS_SETTINGS" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="无线网络配置" /> </LinearLayout>
package com.entel.research; import android.app.Activity; import android.content.Context; import android.content.Intent; import android.net.ConnectivityManager; import android.net.NetworkInfo.State; import android.net.wifi.WifiManager; import android.os.Bundle; import android.provider.Settings; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; public class WifiManagerActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Button wifiManager_open = (Button) findViewById(R.id.wifiManager_open); Button wifiManager_close = (Button) findViewById(R.id.wifiManager_close); Button wifiManager_check = (Button) findViewById(R.id.wifiManager_check); Button wifiManager_WIFI_SETTINGS = (Button) findViewById(R.id.wifiManager_WIFI_SETTINGS); Button wifiManager_WIRELESS_SETTINGS = (Button) findViewById(R.id.wifiManager_WIRELESS_SETTINGS); Button threeGManager_State = (Button) findViewById(R.id.threeGManager_State); final WifiManager wifiManager = (WifiManager) WifiManagerActivity.this .getSystemService(Context.WIFI_SERVICE); final ConnectivityManager conMan = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); wifiManager_open.setOnClickListener(new OnClickListener() { public void onClick(View v) { wifiManager.setWifiEnabled(true); Toast.makeText(WifiManagerActivity.this, "Wifi开启", Toast.LENGTH_SHORT).show(); } }); wifiManager_close.setOnClickListener(new OnClickListener() { public void onClick(View v) { if (wifiManager.isWifiEnabled()) { wifiManager.setWifiEnabled(false); Toast.makeText(WifiManagerActivity.this, "Wifi关闭", Toast.LENGTH_SHORT).show(); } Toast.makeText(WifiManagerActivity.this, "Wifi关闭", Toast.LENGTH_SHORT).show(); } }); wifiManager_check.setOnClickListener(new OnClickListener() { public void onClick(View v) { String result = null; switch (wifiManager.getWifiState()) { case WifiManager.WIFI_STATE_DISABLED: result = "WIFI已关闭"; break; case WifiManager.WIFI_STATE_DISABLING: result = "WIFI正在关闭中"; break; case WifiManager.WIFI_STATE_ENABLED: result = "WIFI已启用"; break; case WifiManager.WIFI_STATE_ENABLING: result = "WIFI正在启动中"; break; case WifiManager.WIFI_STATE_UNKNOWN: result = "未知WIFI状态"; break; } Toast.makeText(WifiManagerActivity.this, result, Toast.LENGTH_SHORT) .show(); } }); wifiManager_WIFI_SETTINGS.setOnClickListener(new OnClickListener() { public void onClick(View v) { startActivity(new Intent(Settings.ACTION_WIFI_SETTINGS)); } }); threeGManager_State.setOnClickListener(new OnClickListener() { public void onClick(View v) { State mobile = conMan.getNetworkInfo( ConnectivityManager.TYPE_MOBILE).getState(); Toast.makeText(WifiManagerActivity.this, mobile.toString(), Toast.LENGTH_SHORT).show(); } }); wifiManager_WIRELESS_SETTINGS.setOnClickListener(new OnClickListener() { public void onClick(View v) { startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS)); } }); } }