public static void hideKeyBoard(View v) {
InputMethodManager imm = (InputMethodManager) v.getContext().getSystemService(INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(v.getApplicationWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
}
public static void showKeyBoard(View v) {
InputMethodManager imm = (InputMethodManager) v.getContext().getSystemService(INPUT_METHOD_SERVICE);
imm.showSoftInput(v, InputMethodManager.SHOW_IMPLICIT);
}
private ViewTreeObserver.OnGlobalLayoutListener keyboardLayoutListener = new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
int heightDiff = rootLayout.getRootView().getHeight() - rootLayout.getHeight();
int contentViewTop = getWindow().findViewById(Window.ID_ANDROID_CONTENT).getTop();
LocalBroadcastManager broadcastManager = LocalBroadcastManager.getInstance(BaseFragmentActivity.this);
if(heightDiff <= contentViewTop){
onHideKeyboard();
Intent intent = new Intent("KeyboardWillHide");
broadcastManager.sendBroadcast(intent);
} else {
int keyboardHeight = heightDiff - contentViewTop;
onShowKeyboard(keyboardHeight);
Intent intent = new Intent("KeyboardWillShow");
intent.putExtra("KeyboardHeight", keyboardHeight);
broadcastManager.sendBroadcast(intent);
}
}
};
private boolean keyboardListenersAttached = false;
private ViewGroup rootLayout;
protected void onShowKeyboard(int keyboardHeight) {}
protected void onHideKeyboard() {}
protected void attachKeyboardListeners(View contentView) {
if (keyboardListenersAttached) {
return;
}
rootLayout = (ViewGroup)contentView;
rootLayout.getViewTreeObserver().addOnGlobalLayoutListener(keyboardLayoutListener);
keyboardListenersAttached = true;
}
