Toast工具类

主要代码

public class ToastUtils {
    /**
     * toast实例
     */
    private static Toast instance = null;
    private static Context context = null;
    /**
     * 文字控件
     */
    private static TextView sTvMsg;
    /**
     * 图片控件
     */
    private static ImageView sIvIcon;
    /**
     * 正常
     */
    public static final int ICON_NORMAL = 1;
    /**
     * 笑
     */
    public static final int ICON_LAUGH = 2;
    /**
     * 挤眼
     */
    public static final int ICON_WINK = 3;
    public static int sType;

    private static synchronized Toast getInstance() {
        if (instance == null) {
            instance = new Toast(context);
        }
        return instance;
    }

    private static void newInstance(Context context, String msg) {
        ToastUtils.context = context;
        //初始化自定义布局文件
        View view = LayoutInflater.from(context).inflate(R.layout.layout_toast, null);
        //获取布局中的文字控件
        sTvMsg = (TextView) view.findViewById(R.id.toast_msg);
        //获取布局中的图片控件
        sIvIcon = (ImageView) view.findViewById(R.id.toast_icon);
        sTvMsg.setText(msg);
        instance = getInstance();
        //设置toast显示的位置、偏移量
        instance.setGravity(Gravity.CENTER, 0, 0);
        instance.setDuration(Toast.LENGTH_SHORT);
        //关联布局
        instance.setView(view);
    }

    /**
     * show instance
     *
     * @param context
     * @param msg
     */
    public static void show(Context context, String msg) {
        if (null == instance) {
            newInstance(context, msg);
        }
        switch (sType) {
            case 2:
                sIvIcon.setBackgroundResource(R.mipmap.ee_2);
                break;
            case 3:
                sIvIcon.setBackgroundResource(R.mipmap.ee_3);
                break;
            default:
                sIvIcon.setBackgroundResource(R.mipmap.ee_1);
                break;
        }
        sTvMsg.setText(msg);
        instance.show();
    }

    /**
     * show instance
     *
     * @param context
     * @param stringId
     */
    public static void show(Context context, int stringId) {
        show(context, stringId, ICON_NORMAL);
    }

    /**
     * @param context
     * @param stringId
     * @param type 图标类型
     */
    public static void show(Context context, int stringId, int type) {
        sType = type;
        show(context, context.getString(stringId));
    }

    /**
     * dismiss instance
     */
    public static void dismiss() {
        if (null != instance) {
            instance.cancel();
            instance = null;
        }
    }
}

效果图

项目地址

https://github.com/407365100/ToastDemo