读取和打印apk版本号工具类

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package com.ldw.tool;import android.content.Context;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.util.Log;public class PackageUtil {private static String TAG = "PackageUtil";/** * 获取版本号 * @return 当前应用的版本号 */public static String getVersion(Context context) {try {PackageManager manager = context.getPackageManager();PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);return info.versionName;} catch (Exception e) {e.printStackTrace();return "";}}/** * 打印版本号 */public static void printApkInfo(Context context){try {PackageManager manager = context.getPackageManager();PackageInfo info = manager.getPackageInfo(context.getPackageName(), 0);Log.v(TAG, "package: " + info.packageName+ ", code = " + info.versionCode+ ", name = " + info.versionName);} catch (Exception e) {e.printStackTrace();Log.v(TAG, "Version: error!");}}}

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