Android 用于打开移动数据的目的?
我可以使用Android 用于打开移动数据的目的?,android,android-intent,Android,Android Intent,我可以使用android.settings.WIRELESS\u settings打开无线和蓝牙,但我应该使用什么来打开移动互联网 使用此方法(关闭wifi(如果打开wifi))并打开移动数据连接 public boolean isConnected() { ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); Network
android.settings.WIRELESS\u settings
打开无线和蓝牙,但我应该使用什么来打开移动互联网 使用此方法(关闭wifi(如果打开wifi))并打开移动数据连接
public boolean isConnected() {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
boolean NisConnected = activeNetwork != null && activeNetwork.isConnected();
if (NisConnected) {
// if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE || activeNetwork.getType() == ConnectivityManager.TYPE_WIFI)
if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI) {
WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
// wifi.setWifiEnabled(true);//Turn on Wifi
wifi.setWifiEnabled(false);//Turn off Wifi
} else if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE)
return true;
else
return false;
}
return false;
}
使用完方法后,如果您可以看到internet未连接,则使用下面的方法打开移动数据
private void setMobileDataEnabled(Context context, boolean enabled) {
try {
final ConnectivityManager conman = (ConnectivityManager)
context.getSystemService(Context.CONNECTIVITY_SERVICE);
final Class conmanClass = Class.forName(conman.getClass().getName());
final Field iConnectivityManagerField = conmanClass.getDeclaredField("mService");
iConnectivityManagerField.setAccessible(true);
final Object iConnectivityManager = iConnectivityManagerField.get(conman);
final Class iConnectivityManagerClass = Class.forName(iConnectivityManager.getClass().getName());
final Method setMobileDataEnabledMethod = iConnectivityManagerClass.getDeclaredMethod("setMobileDataEnabled", Boolean.TYPE);
setMobileDataEnabledMethod.setAccessible(true);
setMobileDataEnabledMethod.invoke(iConnectivityManager, enabled);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (NoSuchFieldException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
}
在清单中也需要权限
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission>
从棒棒糖中可以看出,以编程方式启用移动数据是有限制的 使用此代码可了解移动数据的使用情况,您可以在其中打开/关闭移动数据:
Intent intent = new Intent();
intent.setComponent(new ComponentName("com.android.settings", "com.android.settings.Settings$DataUsageSummaryActivity"));
startActivity(intent);
检查是否有互联网
公共类NetworkUtil{
public static int TYPE_WIFI = 1;
public static int TYPE_MOBILE = 2;
public static int TYPE_NOT_CONNECTED = 0;
public static int getConnectivityStatus(Context context) {
ConnectivityManager cm = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
if (null != activeNetwork) {
if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI)
return TYPE_WIFI;
if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE)
return TYPE_MOBILE;
}
return TYPE_NOT_CONNECTED;
}
public static int getConnectivityStatusString(Context context) {
int conn = NetworkUtil.getConnectivityStatus(context);
int status = -1;
if (conn == NetworkUtil.TYPE_WIFI) {
status = 1;
} else if (conn == NetworkUtil.TYPE_MOBILE) {
status = 2;
} else if (conn == NetworkUtil.TYPE_NOT_CONNECTED) {
status = 0;
}
return status;
}`
然后,如果status==0,则启动此意图。
startActivity(新的意图(安卓.提供商.设置.操作\无线\设置))
非常类似于:此反射代码在Android 4.4.4 kitkat上不起作用。不,这不是回答问题。你说的是检查互联网和设置意图。操作无线设置不,他想打开移动互联网。是的!完全正确,但除非设备根目录,否则无法完成。你只能打开设置操作选项。有关更多信息,请参阅此[链接][此链接打开移动数据使用菜单,而不是移动数据菜单