android wifi 设置 控制开关
来源：互联网 发布：软件著作权 发明专利 编辑：程序博客网 时间：2024/04/30 06:14
public class wifi extends Activity{ private TextView mTextView01; private CheckBox mCheckBox01; /* 创建WiFiManager对象 */ private WifiManager mWiFiManager01; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mTextView01 = (TextView) findViewById(R.id.myTextView1); mCheckBox01 = (CheckBox) findViewById(R.id.myCheckBox1); /* 以getSystemService取得WIFI_SERVICE */ mWiFiManager01 = (WifiManager) this.getSystemService(Context.WIFI_SERVICE); /* 判断运行程序后的WiFi状态是否打开或打开中 */ if(mWiFiManager01.isWifiEnabled()) { /* 判断WiFi状态是否“已打开” */ if(mWiFiManager01.getWifiState()== WifiManager.WIFI_STATE_ENABLED) { /* 若WiFi已打开，将选取项打勾 */ mCheckBox01.setChecked(true); /* 更改选取项文字为关闭WiFi*/ mCheckBox01.setText(R.string.str_uncheck); } else { /* 若WiFi未打开，将选取项勾选择消 */ mCheckBox01.setChecked(false); /* 更改选取项文字为打开WiFi*/ mCheckBox01.setText(R.string.str_checked); } } else { mCheckBox01.setChecked(false); mCheckBox01.setText(R.string.str_checked); } /* 捕捉CheckBox的点击事件 */ mCheckBox01.setOnClickListener( new CheckBox.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub /* 当选取项为取消选取状态 */ if(mCheckBox01.isChecked()==false) { /* 尝试关闭Wi-Fi服务 */ try { /* 判断WiFi状态是否为已打开 */ if(mWiFiManager01.isWifiEnabled() ) { /* 关闭WiFi */ if(mWiFiManager01.setWifiEnabled(false)) { mTextView01.setText(R.string.str_stop_wifi_done); } else { mTextView01.setText(R.string.str_stop_wifi_failed); } } else { /* WiFi状态不为已打开状态时 */ switch(mWiFiManager01.getWifiState()) { /* WiFi正在打开过程中，导致无法关闭... */ case WifiManager.WIFI_STATE_ENABLING: mTextView01.setText ( getResources().getText (R.string.str_stop_wifi_failed)+":"+ getResources().getText (R.string.str_wifi_enabling) ); break; /* WiFi正在关闭过程中，导致无法关闭... */ case WifiManager.WIFI_STATE_DISABLING: mTextView01.setText ( getResources().getText (R.string.str_stop_wifi_failed)+":"+ getResources().getText (R.string.str_wifi_disabling) ); break; /* WiFi已经关闭 */ case WifiManager.WIFI_STATE_DISABLED: mTextView01.setText ( getResources().getText (R.string.str_stop_wifi_failed)+":"+ getResources().getText (R.string.str_wifi_disabled) ); break; /* 无法取得或辨识WiFi状态 */ case WifiManager.WIFI_STATE_UNKNOWN: default: mTextView01.setText ( getResources().getText (R.string.str_stop_wifi_failed)+":"+ getResources().getText (R.string.str_wifi_unknow) ); break; } mCheckBox01.setText(R.string.str_checked); } } catch (Exception e) { Log.i("HIPPO", e.toString()); e.printStackTrace(); } } else if(mCheckBox01.isChecked()==true) { /* 尝试打开Wi-Fi服务 */ try { /* 确认WiFi服务是关闭且不在打开作业中 */ if(!mWiFiManager01.isWifiEnabled() && mWiFiManager01.getWifiState()!= WifiManager.WIFI_STATE_ENABLING ) { if(mWiFiManager01.setWifiEnabled(true)) { switch(mWiFiManager01.getWifiState()) { /* WiFi正在打开过程中，导致无法打开... */ case WifiManager.WIFI_STATE_ENABLING: mTextView01.setText ( getResources().getText (R.string.str_wifi_enabling) ); break; /* WiFi已经为打开，无法再次打开... */ case WifiManager.WIFI_STATE_ENABLED: mTextView01.setText ( getResources().getText (R.string.str_start_wifi_done) ); break; /* 其它未知的错误 */ default: mTextView01.setText ( getResources().getText (R.string.str_start_wifi_failed)+":"+ getResources().getText (R.string.str_wifi_unknow) ); break; } } else { mTextView01.setText(R.string.str_start_wifi_failed); } } else { switch(mWiFiManager01.getWifiState()) { /* WiFi正在打开过程中，导致无法打开... */ case WifiManager.WIFI_STATE_ENABLING: mTextView01.setText ( getResources().getText (R.string.str_start_wifi_failed)+":"+ getResources().getText (R.string.str_wifi_enabling) ); break; /* WiFi正在关闭过程中，导致无法打开... */ case WifiManager.WIFI_STATE_DISABLING: mTextView01.setText ( getResources().getText (R.string.str_start_wifi_failed)+":"+ getResources().getText (R.string.str_wifi_disabling) ); break; /* WiFi已经关闭 */ case WifiManager.WIFI_STATE_DISABLED: mTextView01.setText ( getResources().getText (R.string.str_start_wifi_failed)+":"+ getResources().getText (R.string.str_wifi_disabled) ); break; /* 无法取得或识别WiFi状态 */ case WifiManager.WIFI_STATE_UNKNOWN: default: mTextView01.setText ( getResources().getText (R.string.str_start_wifi_failed)+":"+ getResources().getText (R.string.str_wifi_unknow) ); break; } } mCheckBox01.setText(R.string.str_uncheck); } catch (Exception e) { Log.i("HIPPO", e.toString()); e.printStackTrace(); } } } }); } public void mMakeTextToast(String str, boolean isLong) { if(isLong==true) { Toast.makeText(wifi.this, str, Toast.LENGTH_LONG).show(); } else { Toast.makeText(wifi.this, str, Toast.LENGTH_SHORT).show(); } } @Override protected void onResume() { // TODO Auto-generated method stub /* 在onResume重写事件为取得打开程序当下WiFi的状态 */ try { switch(mWiFiManager01.getWifiState()) { /* WiFi已经在打开状态... */ case WifiManager.WIFI_STATE_ENABLED: mTextView01.setText ( getResources().getText(R.string.str_wifi_enabling) ); break; /* WiFi正在打开过程中状态... */ case WifiManager.WIFI_STATE_ENABLING: mTextView01.setText ( getResources().getText(R.string.str_wifi_enabling) ); break; /* WiFi正在关闭过程中... */ case WifiManager.WIFI_STATE_DISABLING: mTextView01.setText ( getResources().getText(R.string.str_wifi_disabling) ); break; /* WiFi已经关闭 */ case WifiManager.WIFI_STATE_DISABLED: mTextView01.setText ( getResources().getText(R.string.str_wifi_disabled) ); break; /* 无法取得或识别WiFi状态 */ case WifiManager.WIFI_STATE_UNKNOWN: default: mTextView01.setText ( getResources().getText(R.string.str_wifi_unknow) ); break; } } catch(Exception e) { mTextView01.setText(e.toString()); e.getStackTrace(); } super.onResume(); } @Override protected void onPause() { // TODO Auto-generated method stub super.onPause(); }}<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="irdc.wifi" android:versionCode="1" android:versionName="1.0.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name="irdc.wifi.wifi" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <!-- 声明WIFI以及网络等相关权限 --> <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"></uses-permission> <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission> <uses-permission android:name="android.permission.INTERNET"></uses-permission> <uses-permission android:name="android.permission.WAKE_LOCK"></uses-permission></manifest>
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:background="@drawable/white" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:id="@+id/myTextView1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textColor="@drawable/blue" android:text="@string/hello" /> <CheckBox android:id="@+id/myCheckBox1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/str_checked" android:textColor="@drawable/blue" /></LinearLayout>
