Android打开与关闭wifi.doc

Android 打开与关闭wifi 源代码package irdc.practice14;import irdc.practice14.R;import android.app.Activity;import android.content.Context;import .wifi.WifiManager;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.CheckBox;import android.widget.TextView;import android.widget.Toast;public class practice14 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(practice14.this, str, Toast.LENGTH_LONG).show(); else Toast.makeText(practice14.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 WifiMana