145 lines
4.7 KiB
Kotlin
145 lines
4.7 KiB
Kotlin
package com.stand.standapp
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import android.os.Bundle
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import android.view.KeyEvent
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import android.view.ViewGroup
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import android.widget.LinearLayout
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import android.util.Log
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import android.widget.Toast
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import androidx.appcompat.app.AppCompatActivity
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import com.just.agentweb.AgentWeb
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import com.stand.standapp.R
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class MainActivity : AppCompatActivity() {
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private var mAgentWeb: AgentWeb? = null
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private val mHandler = android.os.Handler(android.os.Looper.getMainLooper())
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private val TIMEOUT_MS = 30000L
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private val timeoutRunnable = Runnable {
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showErrorPage()
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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try {
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setContentView(R.layout.activity_main)
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val container = findViewById<LinearLayout>(R.id.container)
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if (container == null) return
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findViewById<android.widget.Button>(R.id.btn_retry)?.setOnClickListener {
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hideErrorPage()
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mAgentWeb?.webCreator?.webView?.reload()
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startTimeoutTimer()
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}
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// 从配置中获取服务器地址
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val serverUrl = AppConfig.getServerUrl(this)
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val finalUrl = "$serverUrl/example/print_demo.html?t=${System.currentTimeMillis()}"
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Log.d("MainActivity", "Loading URL: $finalUrl")
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mAgentWeb = AgentWeb.with(this)
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.setAgentWebParent(container, LinearLayout.LayoutParams(-1, -1))
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.useDefaultIndicator()
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.addJavascriptInterface("android", AndroidInterface(this))
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.createAgentWeb()
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.ready()
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.go(finalUrl)
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startTimeoutTimer()
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// 配置 WebView 属性以支持 SSE 和跨域
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mAgentWeb?.let { agent ->
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try {
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val webView = agent.webCreator.webView
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val settings = webView.settings
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// 允许混合内容 (HTTP/HTTPS)
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if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
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settings.mixedContentMode = android.webkit.WebSettings.MIXED_CONTENT_ALWAYS_ALLOW
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}
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// 允许跨域和存储
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settings.allowUniversalAccessFromFileURLs = true
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settings.allowFileAccessFromFileURLs = true
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settings.domStorageEnabled = true
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settings.javaScriptEnabled = true
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} catch (e: Exception) {
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Log.e("MainActivity", "WebView settings error: ${e.message}")
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}
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}
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// .go("http://152.32.186.199/local/print_demo.html")
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// 启动时检查更新
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UpdateManager(this).checkUpdate()
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} catch (e: Exception) {
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Log.e("MainActivity", "Fatal Crash: ${e.message}")
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e.printStackTrace()
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}
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}
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fun getAgentWeb(): AgentWeb? {
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return mAgentWeb
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}
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fun showExitDialog() {
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// 调用 JS 函数
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mAgentWeb?.jsAccessEntrace?.quickCallJs("addExitText")
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androidx.appcompat.app.AlertDialog.Builder(this)
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.setTitle("提示")
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.setMessage("确定要退出应用吗？")
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.setPositiveButton("确定") { _, _ -> finish() }
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.setNegativeButton("取消", null)
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.show()
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}
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override fun onKeyDown(keyCode: Int, event: KeyEvent?): Boolean {
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if (mAgentWeb?.handleKeyEvent(keyCode, event) == true) {
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return true
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}
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if (keyCode == KeyEvent.KEYCODE_BACK) {
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showExitDialog()
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return true
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}
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return super.onKeyDown(keyCode, event)
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}
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override fun onPause() {
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mAgentWeb?.webLifeCycle?.onPause()
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super.onPause()
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}
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override fun onResume() {
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mAgentWeb?.webLifeCycle?.onResume()
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super.onResume()
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}
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override fun onDestroy() {
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mAgentWeb?.webLifeCycle?.onDestroy()
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cancelTimeoutTimer()
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super.onDestroy()
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}
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private fun startTimeoutTimer() {
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cancelTimeoutTimer()
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mHandler.postDelayed(timeoutRunnable, TIMEOUT_MS)
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}
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fun cancelTimeoutTimer() {
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mHandler.removeCallbacks(timeoutRunnable)
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}
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private fun showErrorPage() {
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findViewById<android.view.View>(R.id.loading_layout)?.visibility = android.view.View.GONE
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findViewById<android.view.View>(R.id.error_layout)?.visibility = android.view.View.VISIBLE
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}
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private fun hideErrorPage() {
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findViewById<android.view.View>(R.id.error_layout)?.visibility = android.view.View.GONE
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findViewById<android.view.View>(R.id.loading_layout)?.visibility = android.view.View.VISIBLE
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}
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}
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