public class SoftKeyBoardUtil {
//打开软键盘  editText为对应打开的输入框public static void openKeyBoard(final Context context, final EditText editText) {editText.setFocusable(true);editText.setFocusableInTouchMode(true);editText.requestFocus();Timer timer = new Timer();//对于刚跳到一个新的界面就要弹出软键盘的情况,可能由于界面未加载完全而无法弹出软键盘。此时应该适当的延迟弹出软键盘时间如300毫秒（保证界面的数据加载完成）。timer.schedule(new TimerTask() {public void run() {InputMethodManager inputManager =(InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);inputManager.showSoftInput(editText, 0);}}, 300);}//关闭软键盘public static void closeKeyBoard(final Context context, final EditText editText) {InputMethodManager inputManager =(InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);inputManager.hideSoftInputFromWindow(editText.getWindowToken(), 0);}//切换键盘的开启与隐藏public static void toggle(Context context) {InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);imm.toggleSoftInput(0, InputMethodManager.HIDE_NOT_ALWAYS);}
//判断键盘是否打开public static boolean isKeyBoardOpen(Context context) {InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);return imm.isActive();//isOpen若返回true，则表示输入法打开}
}