光标一直在后面的EditText

package com.newingscom.fpimlauncher.view;

import android.annotation.SuppressLint;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.EditText;

/**
 * Created by Administrator on 2019/4/10 0010.
 */

@SuppressLint("AppCompatCustomView")
public class MSEditText extends EditText {
    public MSEditText(Context context) {
        super(context);
    }

    public MSEditText(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public MSEditText(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

    @Override
    protected void onSelectionChanged(int selStart, int selEnd) {
        super.onSelectionChanged(selStart, selEnd);
        if (selStart == selEnd) { // 防止不能多选
            setSelection(getText().length()); // 保证光标始终在最后面
        }
    }
}