修改Spinner中字体的大小

最新推荐文章于 2024-08-12 03:44:03 发布

原创最新推荐文章于 2024-08-12 03:44:03 发布 · 539 阅读

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CC 4.0 BY-SA版权

本文介绍了一个自定义的SpinnerAdapter类，用于Android应用中下拉选择器的个性化展示。该适配器通过设置字体颜色为蓝色及字号大小为30来美化显示效果。

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package com.legaldaily_pockettrump.adapter;

import android.content.Context;
import android.graphics.Color;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;

public class SpinnerAdapter extends ArrayAdapter<String> {
    Context context;
    String[] items = new String[] {};

    public SpinnerAdapter(final Context context,
            final int textViewResourceId, final String[] objects) {
        super(context, textViewResourceId, objects);
        this.items = objects;
        this.context = context;
    }

    @Override
    public View getDropDownView(int position, View convertView,
            ViewGroup parent) {

        if (convertView == null) {
            LayoutInflater inflater = LayoutInflater.from(context);
            convertView = inflater.inflate(
                    android.R.layout.simple_spinner_item, parent, false);
        }

        TextView tv = (TextView) convertView
                .findViewById(android.R.id.text1);
        tv.setText(items[position]);
        tv.setTextColor(Color.BLUE);
        tv.setTextSize(30);
        return convertView;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        if (convertView == null) {
            LayoutInflater inflater = LayoutInflater.from(context);
            convertView = inflater.inflate(
                    android.R.layout.simple_spinner_item, parent, false);
        }

        // android.R.id.text1 is default text view in resource of the android.
        // android.R.layout.simple_spinner_item is default layout in resources of android.

        TextView tv = (TextView) convertView
                .findViewById(android.R.id.text1);
        tv.setText(items[position]);
        tv.setTextColor(Color.BLUE);
        tv.setTextSize(30);
        return convertView;
    }
}