80 lines
2.9 KiB
Java
80 lines
2.9 KiB
Java
package com.unity.plugin;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.pm.ActivityInfo;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageManager;
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import android.os.Bundle;
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/**
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* Unity 安卓插件 - meta-data 读取工具类
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* 支持读取 application 节点下的 meta-data，兼容多类型值
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*/
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public class MetaDataReader {
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// 日志标签（方便Logcat调试）
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private static final String TAG = "Unity-MetaDataReader";
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// PackageManager标记：获取meta-data（固定值，Android原生常量）
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private static final int GET_META_DATA = PackageManager.GET_META_DATA;
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// 上下文对象（Android核心，所有资源/配置读取都依赖）
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private final Context mContext;
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/**
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* 构造方法：传入Context（Unity中传入currentActivity即可）
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* @param context 上下文（Activity/Application均可）
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*/
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public MetaDataReader(Context context) {
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this.mContext = context;
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}
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// ------------------------ 读取 Application 节点下的 meta-data ------------------------
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/**
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* 读取application节点 - 字符串值
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* @param metaName android:name 属性值
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* @return 对应value，未找到返回null
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*/
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public String getAppMetaDataString(String metaName) {
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Bundle metaData = getAppMetaDataBundle();
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return metaData == null ? null : metaData.getString(metaName);
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}
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/**
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* 读取application节点 - 整型值
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* @param metaName android:name 属性值
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* @param defValue 未找到/类型错误的默认值
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* @return 对应value或默认值
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*/
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public int getAppMetaDataInt(String metaName, int defValue) {
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Bundle metaData = getAppMetaDataBundle();
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return metaData == null ? defValue : metaData.getInt(metaName, defValue);
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}
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/**
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* 读取application节点 - 布尔型值
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* @param metaName android:name 属性值
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* @param defValue 未找到/类型错误的默认值
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* @return 对应value或默认值
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*/
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public boolean getAppMetaDataBoolean(String metaName, boolean defValue) {
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Bundle metaData = getAppMetaDataBundle();
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return metaData == null ? defValue : metaData.getBoolean(metaName, defValue);
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}
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// ------------------------ 核心私有工具方法（获取meta-data的Bundle对象） ------------------------
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/**
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* 获取Application节点的meta-data Bundle
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* ApplicationInfo.metaData 直接存储全局meta-data
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*/
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private Bundle getAppMetaDataBundle() {
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try {
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ApplicationInfo appInfo = mContext.getPackageManager()
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.getApplicationInfo(mContext.getPackageName(), GET_META_DATA);
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return appInfo != null ? appInfo.metaData : null;
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} catch (PackageManager.NameNotFoundException e) {
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e.printStackTrace();
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return null;
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}
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}
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} |