（三二）构建智能化诊断体系：以热修复、能耗分析和安全校验提升开发效率 原创

// 在 Application 类中初始化 Tinker                import com.tencent.tinker.loader.app.TinkerApplication;                import com.tencent.tinker.loader.shareutil.ShareConstants;                                 public class MyApplication extends TinkerApplication {                    public MyApplication() {                        super(ShareConstants.TINKER_ENABLE_ALL, "com.example.MyApplicationLike",                                "com.tencent.tinker.loader.TinkerLoader", false);                    }                }
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// 检查是否有新的补丁并加载                import com.tencent.tinker.lib.tinker.TinkerInstaller;                                 public class PatchManager {                    public static void checkAndApplyPatch(Context context, String patchPath) {                        TinkerInstaller.onReceiveUpgradePatch(context, patchPath);                    }                }
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import android.app.usage.UsageStats;                import android.app.usage.UsageStatsManager;                import android.content.Context;                import java.util.Calendar;                import java.util.List;                                 public class EnergyAnalyzer {                    public static long getAppEnergyUsage(Context context) {                        UsageStatsManager usageStatsManager = (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);                        Calendar calendar = Calendar.getInstance();                        long endTime = calendar.getTimeInMillis();                        calendar.add(Calendar.DAY_OF_YEAR, -1);                        long startTime = calendar.getTimeInMillis();                                         List<UsageStats> usageStatsList = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, startTime, endTime);                        if (usageStatsList != null) {                            for (UsageStats usageStats : usageStatsList) {                                if (usageStats.getPackageName().equals(context.getPackageName())) {                                    return usageStats.getTotalTimeInForeground();                                }                            }                        }                        return 0;                    }                }
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import java.io.File;                import java.io.FileInputStream;                import java.io.IOException;                import java.security.MessageDigest;                import java.security.NoSuchAlgorithmException;                                 public class SecurityValidator {                    public static String calculateMD5(File file) {                        try {                            MessageDigest digest = MessageDigest.getInstance("MD5");                            FileInputStream fis = new FileInputStream(file);                            byte[] buffer = new byte[8192];                            int bytesRead;                            while ((bytesRead = fis.read(buffer)) != -1) {                                digest.update(buffer, 0, bytesRead);                            }                            fis.close();                            byte[] hash = digest.digest();                            StringBuilder hexString = new StringBuilder();                            for (byte b : hash) {                                String hex = Integer.toHexString(0xff & b);                                if (hex.length() == 1) {                                    hexString.append('0');                                }                                hexString.append(hex);                            }                            return hexString.toString();                        } catch (NoSuchAlgorithmException | IOException e) {                            e.printStackTrace();                            return null;                        }                    }                }
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public class IntelligentDiagnosticSystem {                    private Context context;                                     public IntelligentDiagnosticSystem(Context context) {                        this.context = context;                    }                                     public void performDiagnosis() {                        // 进行热修复检查                        PatchManager.checkAndApplyPatch(context, "/sdcard/patch.apk");                                         // 进行能耗分析                        long energyUsage = EnergyAnalyzer.getAppEnergyUsage(context);                        if (energyUsage > 1000000) { // 假设能耗阈值为 1000000 毫秒                            // 进行能耗优化操作                        }                                         // 进行安全校验                        File file = new File("/sdcard/app.apk");                        String md5 = SecurityValidator.calculateMD5(file);                        if (!md5.equals("expected_md5_value")) {                            // 处理文件被篡改的情况                        }                    }                }
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