Android 中的多个导航图和深层链接

Android 中的多个导航图和深层链接

groovy
dependencies {
    def nav_version = "2.3.5"
    implementation "androidx.navigation:navigation-fragment-ktx:$nav_version"
    implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
}

kotlin
class MainActivity : AppCompatActivity() {
    private lateinit var navController: NavController
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        val navHostFragment = supportFragmentManager.findFragmentById(R.id.nav_host_fragment) as NavHostFragment
        navController = navHostFragment.navController
    }
}

xml
    android:name=".DeepLinkActivity"
    android:label="@string/deep_link_activity_label"
    android:theme="@style/AppTheme.NoActionBar">
    
        
        
        
                    android:host="example.com"
            android:pathPrefix="/details"
            android:scheme="https" />
    

kotlin
val deepLink = NavDeepLinkBuilder(this)
    .setGraph(R.navigation.nav_graph)
    .setDestination(R.id.destination_screen)
    .setArguments(bundleOf("key" to "value"))
    .createDeepLink()
val pendingIntent = deepLink.createPendingIntent()

kotlin
class LoginActivity : AppCompatActivity() {
    private lateinit var navController: NavController
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_login)
        val navHostFragment = supportFragmentManager.findFragmentById(R.id.nav_host_fragment_login) as NavHostFragment
        navController = navHostFragment.navController
        loginButton.setOnClickListener {
            // 用户登录逻辑
            // 登录成功后切换到主功能导航图
            navController.navigate(R.id.action_loginFragment_to_mainFragment)
        }
    }
}

kotlin
class MainActivity : AppCompatActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        val deepLink = intent.data
        if (deepLink != null) {
            val navController = findNavController(R.id.nav_host_fragment)
            navController.navigate(deepLink)
        }
    }
}