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114 changes: 114 additions & 0 deletions
114
app/src/main/java/com/longjunhao/wanjetpack/ui/web/WebFragment.kt
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| @@ -0,0 +1,114 @@ | ||
| package com.longjunhao.wanjetpack.ui.web | ||
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| import android.annotation.SuppressLint | ||
| import android.content.res.Configuration | ||
| import android.os.Bundle | ||
| import androidx.fragment.app.Fragment | ||
| import android.view.LayoutInflater | ||
| import android.view.View | ||
| import android.view.ViewGroup | ||
| import android.webkit.WebView | ||
| import androidx.navigation.findNavController | ||
| import androidx.webkit.WebSettingsCompat | ||
| import androidx.webkit.WebViewFeature | ||
| import com.longjunhao.wanjetpack.databinding.FragmentWebBinding | ||
| import dagger.hilt.android.AndroidEntryPoint | ||
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| /** | ||
| * todo： | ||
| * 1. 没有用webViewClient，没有仔细研究webViewClient的作用 | ||
| * 2. 深色主题下，加载WebFragment页面的过程中，界面是白色的，待优化适配，且需要加上加载进度条 | ||
| * 3. 某些文章的界面显示内容后瞬间内容有消失，不知什么原因，待分析。eg：link：https://www.jianshu.com/p/ded52111cc31 title：Android 四大组件通信核心 | ||
| * 4. 本页面需要新增FloatingActionButton，实现收藏功能 | ||
| * 5. WebFragment 打开、关闭动画没有实现 | ||
| * 6. WebFragment暂时没有对应的ViewModel，不确定后期还需不需要加上 | ||
| */ | ||
| @AndroidEntryPoint | ||
| class WebFragment : Fragment() { | ||
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| private lateinit var binding: FragmentWebBinding | ||
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| override fun onCreateView( | ||
| inflater: LayoutInflater, container: ViewGroup?, | ||
| savedInstanceState: Bundle? | ||
| ): View { | ||
| binding = FragmentWebBinding.inflate(inflater,container,false) | ||
| subscribeUi() | ||
| return binding.root | ||
| } | ||
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| private fun subscribeUi() { | ||
| binding.toolbar.setNavigationOnClickListener { view -> | ||
| view.findNavController().navigateUp() | ||
| } | ||
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| binding.toolbarText.text = arguments?.getString("title") | ||
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| configureWebView(arguments?.getString("link") ?: "") | ||
| } | ||
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| @SuppressLint("SetJavaScriptEnabled") | ||
| private fun configureWebView(link: String) { | ||
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| // Configuring Dark Theme | ||
| // *NOTE* : The force dark setting is not persistent. You must call the static | ||
| // method every time your app process is started. | ||
| // *NOTE* : The change from day<->night mode is a | ||
| // configuration change so by default the activity will be restarted | ||
| // (and pickup the new values to apply the theme). Take care when overriding this | ||
| // default behavior to ensure this method is still called when changes are made. | ||
| val nightModeFlag = resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK | ||
| // Check if the system is set to light or dark mode | ||
| if (nightModeFlag == Configuration.UI_MODE_NIGHT_YES) { | ||
| // Switch WebView to dark mode; uses default dark theme | ||
| if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK)) { | ||
| WebSettingsCompat.setForceDark( | ||
| binding.webView.settings, | ||
| WebSettingsCompat.FORCE_DARK_ON | ||
| ) | ||
| } | ||
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| /* Set how WebView content should be darkened. There are three options for how to darken | ||
| * a WebView. | ||
| * PREFER_WEB_THEME_OVER_USER_AGENT_DARKENING- checks for the "color-scheme" <meta> tag. | ||
| * If present, it uses media queries. If absent, it applies user-agent (automatic) | ||
| * darkening DARK_STRATEGY_WEB_THEME_DARKENING_ONLY - uses media queries always, even | ||
| * if there's no "color-scheme" <meta> tag present. | ||
| * DARK_STRATEGY_USER_AGENT_DARKENING_ONLY - it ignores web page theme and always | ||
| * applies user-agent (automatic) darkening. | ||
| * More information about Force Dark Strategy can be found here: | ||
| * https://developer.android.com/reference/androidx/webkit/WebSettingsCompat#setForceDarkStrategy(android.webkit.WebSettings,%20int) | ||
| */ | ||
| if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK_STRATEGY)) { | ||
| WebSettingsCompat.setForceDarkStrategy( | ||
| binding.webView.settings, | ||
| WebSettingsCompat.DARK_STRATEGY_PREFER_WEB_THEME_OVER_USER_AGENT_DARKENING | ||
| ) | ||
| } | ||
| } | ||
|
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| // Setup debugging; See https://developers.google.com/web/tools/chrome-devtools/remote-debugging/webviews for reference | ||
| /*if (applicationInfo.flags and ApplicationInfo.FLAG_DEBUGGABLE != 0) { | ||
| WebView.setWebContentsDebuggingEnabled(true) | ||
| }*/ | ||
| WebView.setWebContentsDebuggingEnabled(true) | ||
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| // Enable Javascript | ||
| binding.webView.settings.javaScriptEnabled = true | ||
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| binding.webView.loadUrl(link) | ||
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| } | ||
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| // Creating the custom WebView Client Class | ||
| /*private class MyWebViewClient(private val assetLoader: WebViewAssetLoader) : | ||
| WebViewClientCompat() { | ||
| override fun shouldInterceptRequest( | ||
| view: WebView, | ||
| request: WebResourceRequest | ||
| ): WebResourceResponse? { | ||
| return assetLoader.shouldInterceptRequest(request.url) | ||
| } | ||
| }*/ | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,59 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <layout xmlns:android="http://schemas.android.com/apk/res/android" | ||
| xmlns:tools="http://schemas.android.com/tools" | ||
| xmlns:app="http://schemas.android.com/apk/res-auto"> | ||
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| <data> | ||
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| </data> | ||
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| <androidx.coordinatorlayout.widget.CoordinatorLayout | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| tools:context=".ui.web.WebFragment"> | ||
|
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| <com.google.android.material.appbar.AppBarLayout | ||
| android:id="@+id/app_bar_layout" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:fitsSystemWindows="true" | ||
| android:theme="@style/Theme.WanJetpack.AppBarOverlay"> | ||
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| <com.google.android.material.appbar.MaterialToolbar | ||
| android:id="@+id/toolbar" | ||
| style="@style/Widget.MaterialComponents.Toolbar.Primary" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="?attr/actionBarSize" | ||
| app:navigationIcon="@drawable/ic_back_no_circle" | ||
| app:contentInsetStart="0dp" | ||
| app:layout_collapseMode="parallax"> | ||
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| <TextView | ||
| android:id="@+id/toolbarText" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="?attr/actionBarSize" | ||
| android:gravity="center" | ||
| android:text="" | ||
| android:singleLine="true" | ||
| android:ellipsize="end" | ||
| android:textAppearance="?attr/textAppearanceHeadline5"/> | ||
|
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| </com.google.android.material.appbar.MaterialToolbar> | ||
| </com.google.android.material.appbar.AppBarLayout> | ||
|
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| <androidx.constraintlayout.widget.ConstraintLayout | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:layout_marginTop="?attr/actionBarSize" | ||
| tools:context=".ui.web.WebFragment"> | ||
|
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| <WebView | ||
| android:id="@+id/webView" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:background="@android:color/transparent"/> | ||
|
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| </androidx.constraintlayout.widget.ConstraintLayout> | ||
|
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| </androidx.coordinatorlayout.widget.CoordinatorLayout> | ||
| </layout> |
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