dialog dismiss时键盘不消失的问题浅析及解决办法

 /**
   * 关闭键盘
   *
   * @param context
   * @param et
   */
  public static void hideKeyboard(Context context, EditText et) {
    InputMethodManager imm = (InputMethodManager) context
        .getSystemService(Context.INPUT_METHOD_SERVICE);
    LogUtils.showLog("hideKeyboard  imm.isActive() = "+imm.isActive()+"    et.getWindowToken() = "+et.getWindowToken());
    if (imm.isActive()) {
      imm.hideSoftInputFromWindow(et.getWindowToken(), 0);
    }
  }

 @Override
  public void onDismiss(DialogInterface dialog) {
    InputMethodManager inputMgr = (InputMethodManager) context
        .getSystemService(Context.INPUT_METHOD_SERVICE);
    inputMgr.toggleSoftInput(InputMethodManager.HIDE_NOT_ALWAYS, 0);
  }

public boolean onTouchEvent(MotionEvent event) {
    if (mCancelable && mShowing && mWindow.shouldCloseOnTouch(mContext, event)) {
      cancel();
      return true;
    }
    return false;
  }
/**
   * Cancel the dialog. This is essentially the same as calling {@link #dismiss()}, but it will
   * also call your {@link DialogInterface.OnCancelListener} (if registered).
   */
  public void cancel() {
    if (!mCanceled && mCancelMessage != null) {
      mCanceled = true;
      // Obtain a new message so this dialog can be re-used
      Message.obtain(mCancelMessage).sendToTarget();
    }
    dismiss();
  }

 @Override
  public boolean onTouchEvent(MotionEvent event) {
    if (isShowing() && shouldCloseOnTouch(getContext(),event)){
      ViewHelper.hideKeyboard(context, et_reply_comment);
    }
    return super.onTouchEvent(event);
  }
  public boolean shouldCloseOnTouch(Context context, MotionEvent event) {
    if (event.getAction() == MotionEvent.ACTION_DOWN
        && isOutOfBounds(context, event) && getWindow().peekDecorView() != null) {
      return true;
    }
    return false;
  }
  private boolean isOutOfBounds(Context context, MotionEvent event) {
    final int x = (int) event.getX();
    final int y = (int) event.getY();
    final int slop = ViewConfiguration.get(context).getScaledWindowTouchSlop();
    final View decorView = getWindow().getDecorView();
    return (x < -slop) || (y < -slop)
        || (x > (decorView.getWidth()+slop))
        || (y > (decorView.getHeight()+slop));
  }
   // 关闭键盘
  public static void hideKeyboard(Context context, EditText et) {
    InputMethodManager imm = (InputMethodManager) context
        .getSystemService(Context.INPUT_METHOD_SERVICE);
    LogUtils.showLog("hideKeyboard  imm.isActive() = "+imm.isActive()+"    et.getWindowToken() = "+et.getWindowToken());
    if (imm.isActive()) {
      imm.hideSoftInputFromWindow(et.getWindowToken(), 0);
    }
  }

@Override
  protected void onStart() {
    super.onStart();
    getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
  }