------------------------------------------------
public class EX05_17 extends Activity
{
private TextView mTextView01;
private CheckBox mCheckBox01;
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);
mWiFiManager01 = (WifiManager) this.getSystemService(Context.WIFI_SERVICE);
if(mWiFiManager01.isWifiEnabled())
{
if(mWiFiManager01.getWifiState()==WifiManager.WIFI_STATE_ENABLED)
{
mCheckBox01.setChecked(true);
mCheckBox01.setText(R.string.str_uncheck);
}
else
{
mCheckBox01.setChecked(false);
mCheckBox01.setText(R.string.str_checked);
}
}
else
{
mCheckBox01.setChecked(false);
mCheckBox01.setText(R.string.str_checked);
}
mCheckBox01.setOnClickListener(new CheckBox.OnClickListener()
{
@Override
public void onClick(View v)
{
// TODO Auto-generated method stub
if(mCheckBox01.isChecked()==false)
{
try
{
if(mWiFiManager01.isWifiEnabled() )
{
if(mWiFiManager01.setWifiEnabled(false))
{
mTextView01.setText(R.string.str_stop_wifi_done);
}
else
{
mTextView01.setText(R.string.str_stop_wifi_failed);
}
}
else
{
switch(mWiFiManager01.getWifiState())
{
case WifiManager.WIFI_STATE_ENABLING:
mTextView01.setText
(
getResources().getText(R.string.str_stop_wifi_failed)+":"+
getResources().getText(R.string.str_wifi_enabling)
);
break;
case WifiManager.WIFI_STATE_DISABLING:
mTextView01.setText
(
getResources().getText(R.string.str_stop_wifi_failed)+":"+
getResources().getText(R.string.str_wifi_disabling)
);
break;
case WifiManager.WIFI_STATE_DISABLED:
mTextView01.setText
(
getResources().getText(R.string.str_stop_wifi_failed)+":"+
getResources().getText(R.string.str_wifi_disabled)
);
break;
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)
{
try
{
if(!mWiFiManager01.isWifiEnabled() && mWiFiManager01.getWifiState()!=WifiManager.WIFI_STATE_ENABLING )
{
if(mWiFiManager01.setWifiEnabled(true))
{
switch(mWiFiManager01.getWifiState())
{
case WifiManager.WIFI_STATE_ENABLING:
mTextView01.setText
(
getResources().getText(R.string.str_wifi_enabling)
);
break;
case WifiManager.WIFI_STATE_ENABLED:
mTextView01.setText
(
getResources().getText(R.string.str_start_wifi_done)
);
break;
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())
{
case WifiManager.WIFI_STATE_ENABLING:
mTextView01.setText
(
getResources().getText(R.string.str_start_wifi_failed)+":"+
getResources().getText(R.string.str_wifi_enabling)
);
break;
case WifiManager.WIFI_STATE_DISABLING:
mTextView01.setText
(
getResources().getText(R.string.str_start_wifi_failed)+":"+
getResources().getText(R.string.str_wifi_disabling)
);
break;
case WifiManager.WIFI_STATE_DISABLED:
mTextView01.setText
(
getResources().getText(R.string.str_start_wifi_failed)+":"+
getResources().getText(R.string.str_wifi_disabled)
);
break;
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(EX05_17.this, str, Toast.LENGTH_LONG).show();
}
else
{
Toast.makeText(EX05_17.this, str, Toast.LENGTH_SHORT).show();
}
}
@Override
protected void onResume()
{
// TODO Auto-generated method stub
try
{
switch(mWiFiManager01.getWifiState())
{
case WifiManager.WIFI_STATE_ENABLED:
mTextView01.setText
(
getResources().getText(R.string.str_wifi_enabling)
);
break;
case WifiManager.WIFI_STATE_ENABLING:
mTextView01.setText
(
getResources().getText(R.string.str_wifi_enabling)
);
break;
case WifiManager.WIFI_STATE_DISABLING:
mTextView01.setText
(
getResources().getText(R.string.str_wifi_disabling)
);
break;
case WifiManager.WIFI_STATE_DISABLED:
mTextView01.setText
(
getResources().getText(R.string.str_wifi_disabled)
);
break;
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();
}
}
--------------------------------------------
strings.xml
Hello World, cmd100
cmd100
打开WiFi
关闭WiFi
尝试打开WiFi服务失败
尝试打开WiFi服务成功
尝试关闭WiFi服务失敗
尝试关闭WiFi服务成功
WiFi启动过程中...
WiFi关闭过程中...
WiFi已经关闭
WiFi未知状态...