12月21日的Block Guard: Call Blocker应用程序分析

BlockGuard is your essential all-in-one solution for comprehensive call and message management. Replace your default phone and SMS apps with BlockGuard to gain powerful control over unwanted intrusions, automate your privacy, and streamline your daily communications. 📞 Core Functionality: Default Phone Handler BlockGuard provides a fully integrated dialer for seamless calling and receiving. As your default phone app, it actively works to protect you with advanced features: Smart Scheduling: Create custom blocking schedules for work, sleep, or family time. Set specific start/end times and repeat days to automatically enable Do Not Disturb modes. Neighbor Spoofing Protection: Intelligently blocks scam calls that manipulate their number to look like they are calling from your local area code (matching the first 6 digits of your number). STIR/SHAKEN Verification: Automatically rejects calls that fail carrier authentication checks to protect you from spoofed numbers (Android 11+). Advanced Call Blocking: Create custom blocked lists for specific numbers, area codes, or unknown callers. Stop telemarketers and spam calls before they even ring. Flexible Blocking Actions: Choose how to handle blocked calls—reject them immediately or silently send them to voicemail. Call History & Logs: Access a detailed, organized log of all your calls, including a quarantined log of calls blocked by BlockGuard. 💬 Core Functionality: Default SMS Handler Manage all your text messages effortlessly within BlockGuard. As your default SMS app, it offers robust filtering: Keyword Blocking: Filter unwanted text messages containing specific words or phrases (e.g., "winner", "loan", "verify"). SMS Spam Blocking: Automatically filter and block unwanted text messages and spam from unknown senders or specific numbers. Organized Messaging: Enjoy a clean, intuitive interface for all your conversations with full MMS support. Seamless Sending & Receiving: Fully control your SMS and MMS communication with a secure, local database. 🔄 Secure & Customizable: Theme Support: Choose between Light, Dark, or System Default themes to match your style. Backup & Restore: Easily back up and restore your blocked lists, whitelisted contacts, and app settings, ensuring your preferences are always safe. Multi-Language: Fully localized support for over 50 languages. Why BlockGuard? We designed BlockGuard to be your trusted communication hub. By becoming your default Phone and SMS app, BlockGuard integrates deeply into your device's core functions to provide superior spam protection, caller identification, and a seamless communication experience without draining your battery. Permissions Used (and why): BlockGuard requires sensitive permissions to perform its core functionalities: Default Phone Handler (READ_PHONE_STATE, CALL_PHONE, ANSWER_PHONE_CALLS, READ_CALL_LOG, WRITE_CALL_LOG, READ_PHONE_NUMBERS): Essential for making/receiving calls, checking STIR/SHAKEN status, blocking unwanted calls, and managing call history. Default SMS Handler (READ_SMS, RECEIVE_SMS, SEND_SMS): Necessary for sending/receiving text messages, managing conversations, and blocking SMS spam. READ_CONTACTS: Used to display contact names and to allow "Strict Mode" blocking (blocking everyone except contacts). POST_NOTIFICATIONS: To provide essential alerts for missed calls and blocked messages.