RTEditor/src/main/java/com/onegravity/rteditor/RTManager.java
public void onDestroy(boolean isSaved) {
        EventBus.getDefault().unregister(this);

        for (RTEditText editor : mEditors.values()) {
            editor.unregister();
            editor.onDestroy(isSaved);
        }
        mEditors.clear();

        for (RTToolbar toolbar : mToolbars.values()) {
            toolbar.removeToolbarListener();
        }
        mToolbars.clear();

        mRTApi = null;
    }
public void onDestroy(boolean isSaved) {
        EventBus.getDefault().unregister(this);

        for (RTEditText editor : mEditors.values()) {
            editor.unregister();
            editor.onDestroy(isSaved);
        }
        mEditors.clear();

        for (RTToolbar toolbar : mToolbars.values()) {
            toolbar.removeToolbarListener();
        }
        mToolbars.clear();

        mRTApi = null;
    }
Perform any final cleanup before the component is destroyed.

@param isSaved True if the text is saved, False if it's dismissed. This is
needed to decide whether media (images etc.) are to be
deleted.