fix 324 免登陆，删除ActionBar

cloudroam

2025-03-24 380d70f2f1cd03b314fa6de64df30eab914956ba

 app/src/main/java/com/example/firstapp/activity/PhoneLoginActivity.kt

@@ -29,6 +29,7 @@
    private fun setupViews() {
        binding.apply {
            btnBack.setOnClickListener {
                startActivity(Intent(this@PhoneLoginActivity, LoginActivity::class.java))
                finish()
            }

@@ -37,7 +38,6 @@
                if (phone.length == 11) {
                    viewModel.sendVerificationCode(phone)
                    startCountDown()
//                    17625318565 111111
                } else {
                    Toast.makeText(this@PhoneLoginActivity,
                        "请输入正确的手机号", Toast.LENGTH_SHORT).show()
@@ -58,12 +58,31 @@
    }

    private fun observeViewModel() {
        // 观察登录状态
        viewModel.loginState.observe(this) { isLoggedIn ->
            if (isLoggedIn) {
                startActivity(Intent(this, MainActivity::class.java))
                finishAffinity() // 结束所有之前的Activity
            }
        }
        // 观察消息提示
        viewModel.loginMessage.observe(this) { message ->
            Toast.makeText(this, message, Toast.LENGTH_SHORT).show()
            if (message == "验证码已发送") {
                startCountDown()
            }
        }

        // 观察加载状态
        viewModel.isLoading.observe(this) { isLoading ->
            binding.btnLogin.isEnabled = !isLoading
            if (isLoading) {
                binding.btnLogin.text = "登录中..."
            } else {
                binding.btnLogin.text = "登录"
            }
        }

    }

    private fun startCountDown() {