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Constructor(Class<?> cls, Class<?>[] args) {
try {
Constructor<?> c = cls.getDeclaredConstructor(args);
if (!c.isAccessible())
c.setAccessible(true);
return c;
} catch (Exception ex) {
return null;
}
}
public static void ActivateBluetooth(Context c, View v) {
try {
//Play nice and use the system dialog for this
c.startActivity(new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE));
} catch (ActivityNotFoundException ax) {
ManualAskBluetoothActivate(c, v);
} catch (AndroidRuntimeException ax) {
ManualAskBluetoothActivate(c, v);
}
}毕业论文
private static void ManualAskBluetoothActivate(Context c, View v) {
//If it fails, do this directly
AlertDialog.Builder builder = new AlertDialog.Builder(c);
builder.setCancelable(true);
builder.setMessage(R.string.bluetooth_enable_question);
builder.setTitle(R.string.bluetooth_enable_dialog_title);
builder.setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
BluetoothAdapter.getDefaultAdapter().enable();
}}
);
builder.setNegativeButton(R.string.no, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
}}
);
//If we are running in the IME, we need to do something special
if (v != null) {
AlertDialog dlg = builder.create();
Window window = dlg.getWindow();
WindowManager.LayoutParams lp = window.getAttributes();
lp.token = v.getWindowToken();
lp.type = WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG;
window.setAttributes(lp);
window.addFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
dlg.show();
}
else
builder.show();
}
public static void DeactivateBluetooth(Context c) {
AlertDialog.Builder dlg = new AlertDialog.Builder(c);
dlg.setCancelable(true);
dlg.setMessage(R.string.bluetooth_disable_question);
dlg.setTitle(R.string.bluetooth_disable_dialog_title);
dlg.setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
BluetoothAdapter.getDefaultAdapter().disable();
}}
);
dlg.setNegativeButton(R.string.no, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
}}
);
dlg.show();
}
//private static final int TYPE_RFCOMM = 1;
//private static final int TYPE_SCO = 2;
private static final int TYPE_L2CAP = 3;
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