android wifi 设置控制开关

yonght · 发表于 2015-10-2 11:11:43

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>

<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>

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