（三九）HarmonyOS Design 的未来趋势：发展方向与新技术融入 原创

// 模拟设备间任务迁移                import ohos.aafwk.ability.Ability;                import ohos.aafwk.content.Intent;                import ohos.distributedschedule.interwork.DeviceInfo;                import ohos.distributedschedule.interwork.DeviceManager;                import java.util.List;                                 public class DistributedTaskMigrationAbility extends Ability {                    public void migrateVideoPlayTask() {                        List<DeviceInfo> deviceList = DeviceManager.getDeviceList(DeviceInfo.FLAG_GET_ONLINE_DEVICE);                        if (!deviceList.isEmpty()) {                            DeviceInfo targetDevice = deviceList.get(0);                            Intent intent = new Intent();                            // 设置迁移目标设备信息                            intent.setParam("targetDeviceId", targetDevice.getDeviceId());                            // 携带视频播放进度等信息                            intent.setParam("videoProgress", 120);                             startAbility(intent);                        }                    }                }
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// 模拟个性化界面调整                import ohos.aafwk.ability.AbilitySlice;                import ohos.agp.components.Component;                import ohos.agp.components.DirectionalLayout;                import ohos.agp.components.Text;                import ohos.agp.utils.Color;                                 public class PersonalizedDesignAbilitySlice extends AbilitySlice {                    @Override                    public void onStart(ohos.aafwk.content.Intent intent) {                        super.onStart(intent);                        super.setUIContent(ResourceTable.Layout_ability_main);                                         DirectionalLayout rootLayout = (DirectionalLayout) findComponentById(ResourceTable.Id_root_layout);                        Text text = (Text) findComponentById(ResourceTable.Id_text);                                         // 根据用户设置调整字体大小                        int fontSize = getUserFontSizeSetting();                        text.setTextSize(fontSize);                                         // 根据环境亮度调整背景颜色                        if (isLowLightEnvironment()) {                            rootLayout.setBackgroundColor(Color.BLACK);                            text.setTextColor(Color.WHITE);                        }                    }                                     private int getUserFontSizeSetting() {                        // 模拟获取用户字体大小设置                        return 20;                    }                                     private boolean isLowLightEnvironment() {                        // 模拟检测环境亮度                        return true;                    }                }
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// 模拟语音交互操作                import ohos.aafwk.ability.Ability;                import ohos.agp.window.dialog.ToastDialog;                import ohos.speechrecognition.SpeechRecognizer;                import ohos.speechrecognition.SpeechRecognizerCallback;                                 public class AccessibilityVoiceInteractionAbility extends Ability {                    private SpeechRecognizer speechRecognizer;                                     @Override                    public void onStart(ohos.aafwk.content.Intent intent) {                        super.onStart(intent);                        speechRecognizer = new SpeechRecognizer();                        speechRecognizer.setCallback(new SpeechRecognizerCallback() {                            @Override                            public void onRecognizeSuccess(String result) {                                if ("打开设置".equals(result)) {                                    // 执行打开设置的操作                                    new ToastDialog(getContext())                                           .setText("正在打开设置")                                           .show();                                }                            }                                             @Override                            public void onRecognizeFailed(int errorCode) {                                new ToastDialog(getContext())                                       .setText("语音识别失败，错误码: " + errorCode)                                       .show();                            }                        });                        speechRecognizer.startRecognize();                    }                }
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// 模拟人工智能推荐                import java.util.ArrayList;                import java.util.List;                                 public class AIRecommendationSystem {                    private List<String> userHistory = new ArrayList<>();                                     public void addUserHistory(String action) {                        userHistory.add(action);                    }                                     public List<String> getRecommendations() {                        List<String> recommendations = new ArrayList<>();                        if (userHistory.contains("观看电影")) {                            recommendations.add("推荐电影：《星际穿越》");                        }                        return recommendations;                    }                }
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// 模拟AR场景交互                import ohos.aafwk.ability.Ability;                import ohos.agp.window.dialog.ToastDialog;                                 public class ARInteractionAbility extends Ability {                    public void showARProductPreview() {                        // 模拟展示AR商品预览                        new ToastDialog(getContext())                               .setText("正在展示AR商品预览")                               .show();                    }                }
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// 模拟量子加密通信                import java.security.SecureRandom;                import javax.crypto.Cipher;                import javax.crypto.KeyGenerator;                import javax.crypto.SecretKey;                import javax.crypto.spec.SecretKeySpec;                import java.nio.charset.StandardCharsets;                import java.util.Base64;                                 public class QuantumEncryption {                    private static final String ALGORITHM = "AES";                    private static final String TRANSFORMATION = "AES/ECB/PKCS5Padding";                                     public static String encrypt(String plainText, String key) throws Exception {                        SecretKeySpec secretKeySpec = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), ALGORITHM);                        Cipher cipher = Cipher.getInstance(TRANSFORMATION);                        cipher.init(Cipher.ENCRYPT_MODE, secretKeySpec);                        byte[] encryptedBytes = cipher.doFinal(plainText.getBytes(StandardCharsets.UTF_8));                        return Base64.getEncoder().encodeToString(encryptedBytes);                    }                                     public static String decrypt(String encryptedText, String key) throws Exception {                        SecretKeySpec secretKeySpec = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), ALGORITHM);                        Cipher cipher = Cipher.getInstance(TRANSFORMATION);                        cipher.init(Cipher.DECRYPT_MODE, secretKeySpec);                        byte[] decodedBytes = Base64.getDecoder().decode(encryptedText);                        byte[] decryptedBytes = cipher.doFinal(decodedBytes);                        return new String(decryptedBytes, StandardCharsets.UTF_8);                    }                                     public static String generateQuantumKey() {                        SecureRandom secureRandom = new SecureRandom();                        KeyGenerator keyGenerator;                        try {                            keyGenerator = KeyGenerator.getInstance(ALGORITHM);                            keyGenerator.init(256, secureRandom);                            SecretKey secretKey = keyGenerator.generateKey();                            return Base64.getEncoder().encodeToString(secretKey.getEncoded());                        } catch (Exception e) {                            e.printStackTrace();                            return null;                        }                    }                }
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