1. <?xml version="1.0" encoding="utf-8"?>
2. <manifest xmlns:android="http://schemas.android.com/apk/res/android"
3. package="com.entel.research"
4. android:versionCode="1"
5. android:versionName="1.0" >
6. <uses-sdk android:minSdkVersion="7" />
7. <application
8. android:icon="@drawable/ic_launcher"
9. android:label="@string/app_name" android:debuggable="true">
10. <activity
11. android:label="@string/app_name"
12. android:name=".WifiManagerActivity" >
13. <intent-filter >
14. <action android:name="android.intent.action.MAIN" />
15. <category android:name="android.intent.category.LAUNCHER" />
16. </intent-filter>
17. </activity>
18. </application>
19. <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
20. <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
21. <uses-permission android:name="android.permission.WAKE_LOCK" />
22. <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
23. </manifest>

1. <?xml version="1.0" encoding="utf-8"?>
2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
3. android:layout_width="fill_parent"
4. android:layout_height="fill_parent"
5. android:orientation="vertical" >
6. <TextView
7. android:layout_width="fill_parent"
8. android:layout_height="wrap_content"
9. android:text="@string/hello" />
10. <Button
11. android:id="@+id/wifiManager_open"
12. android:layout_width="fill_parent"
13. android:layout_height="wrap_content"
14. android:text="打开WiFi" />
15. <Button
16. android:id="@+id/wifiManager_close"
17. android:layout_width="fill_parent"
18. android:layout_height="wrap_content"
19. android:text="关闭WiFi" />
20. <Button
21. android:id="@+id/wifiManager_check"
22. android:layout_width="fill_parent"
23. android:layout_height="wrap_content"
24. android:text="显示WiFi状态" />
25. <Button
26. android:id="@+id/wifiManager_WIFI_SETTINGS"
27. android:layout_width="fill_parent"
28. android:layout_height="wrap_content"
29. android:text="WiFi网络设置" />
30. <Button
31. android:id="@+id/threeGManager_State"
32. android:layout_width="fill_parent"
33. android:layout_height="wrap_content"
34. android:text="显示3G边境状态" />
35. <Button
36. android:id="@+id/wifiManager_WIRELESS_SETTINGS"
37. android:layout_width="fill_parent"
38. android:layout_height="wrap_content"
39. android:text="无线网络配置" />
40. </LinearLayout>

1. package com.entel.research;
2. import android.app.Activity;
3. import android.content.Context;
4. import android.content.Intent;
5. import android.net.ConnectivityManager;
6. import android.net.NetworkInfo.State;
7. import android.net.wifi.WifiManager;
8. import android.os.Bundle;
9. import android.provider.Settings;
10. import android.view.View;
11. import android.view.View.OnClickListener;
12. import android.widget.Button;
13. import android.widget.Toast;
14. public class WifiManagerActivity extends Activity
15. {
16. @Override
17. public void onCreate(Bundle savedInstanceState)
18. {
19. super.onCreate(savedInstanceState);
20. setContentView(R.layout.main);
21. Button wifiManager_open = (Button) findViewById(R.id.wifiManager_open);
22. Button wifiManager_close = (Button) findViewById(R.id.wifiManager_close);
23. Button wifiManager_check = (Button) findViewById(R.id.wifiManager_check);
24. Button wifiManager_WIFI_SETTINGS = (Button) findViewById(R.id.wifiManager_WIFI_SETTINGS);
25. Button wifiManager_WIRELESS_SETTINGS = (Button) findViewById(R.id.wifiManager_WIRELESS_SETTINGS);
26. Button threeGManager_State = (Button) findViewById(R.id.threeGManager_State);
27. final WifiManager wifiManager = (WifiManager) WifiManagerActivity.this
28. .getSystemService(Context.WIFI_SERVICE);
29. final ConnectivityManager conMan = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
30. wifiManager_open.setOnClickListener(new OnClickListener()
31. {
32. public void onClick(View v)
33. {
34. wifiManager.setWifiEnabled(true);
35. Toast.makeText(WifiManagerActivity.this, "Wifi开启",
36. Toast.LENGTH_SHORT).show();
37. }
38. });
39. wifiManager_close.setOnClickListener(new OnClickListener()
40. {
41. public void onClick(View v)
42. {
43. if (wifiManager.isWifiEnabled())
44. {
45. wifiManager.setWifiEnabled(false);
46. Toast.makeText(WifiManagerActivity.this, "Wifi关闭",
47. Toast.LENGTH_SHORT).show();
48. }
49. Toast.makeText(WifiManagerActivity.this, "Wifi关闭",
50. Toast.LENGTH_SHORT).show();
51. }
52. });
53. wifiManager_check.setOnClickListener(new OnClickListener()
54. {
55. public void onClick(View v)
56. {
57. String result = null;
58. switch (wifiManager.getWifiState())
59. {
60. case WifiManager.WIFI_STATE_DISABLED:
61. result = "WIFI已关闭";
62. break;
63. case WifiManager.WIFI_STATE_DISABLING:
64. result = "WIFI正在关闭中";
65. break;
66. case WifiManager.WIFI_STATE_ENABLED:
67. result = "WIFI已启用";
68. break;
69. case WifiManager.WIFI_STATE_ENABLING:
70. result = "WIFI正在启动中";
71. break;
72. case WifiManager.WIFI_STATE_UNKNOWN:
73. result = "未知WIFI状态";
74. break;
75. }
76. Toast.makeText(WifiManagerActivity.this, result, Toast.LENGTH_SHORT)
77. .show();
78. }
79. });
80. wifiManager_WIFI_SETTINGS.setOnClickListener(new OnClickListener()
81. {
82. public void onClick(View v)
83. {
84. startActivity(new Intent(Settings.ACTION_WIFI_SETTINGS));
85. }
86. });
87. threeGManager_State.setOnClickListener(new OnClickListener()
88. {
89. public void onClick(View v)
90. {
91. State mobile = conMan.getNetworkInfo(
92. ConnectivityManager.TYPE_MOBILE).getState();
93. Toast.makeText(WifiManagerActivity.this, mobile.toString(),
94. Toast.LENGTH_SHORT).show();
95. }
96. });
97. wifiManager_WIRELESS_SETTINGS.setOnClickListener(new OnClickListener()
98. {
99. public void onClick(View v)
100. {
101. startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS));
102. }
103. });
104. }
105. }

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