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NamIT
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Aug 18, 2020
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,3 +1,7 @@ | ||
| ## 0.1.1 | ||
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| * remove DisplaysManager widget | ||
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| ## 0.1.0 | ||
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| * Initial Open Source release. |
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136 changes: 127 additions & 9 deletions
136
android/src/main/kotlin/com/namit/presentation_displays/PresentationDisplaysPlugin.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,17 +1,135 @@ | ||
| package com.namit.presentation_displays | ||
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| import io.flutter.plugin.common.PluginRegistry.Registrar | ||
| import android.content.ContentValues.TAG | ||
| import android.content.Context | ||
| import android.hardware.display.DisplayManager | ||
| import android.util.Log | ||
| import android.view.Display | ||
| import androidx.annotation.NonNull | ||
| import com.google.gson.Gson | ||
| import io.flutter.embedding.engine.FlutterEngine | ||
| import io.flutter.embedding.engine.FlutterEngineCache | ||
| import io.flutter.embedding.engine.dart.DartExecutor | ||
| import io.flutter.embedding.engine.plugins.FlutterPlugin | ||
| import io.flutter.embedding.engine.plugins.activity.ActivityAware | ||
| import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding | ||
| import io.flutter.plugin.common.MethodCall | ||
| import io.flutter.plugin.common.MethodChannel | ||
| import io.flutter.plugin.common.PluginRegistry | ||
| import org.json.JSONObject | ||
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| /** PresentationDisplaysPlugin */ | ||
| object PresentationDisplaysPlugin { | ||
| class PresentationDisplaysPlugin() : FlutterPlugin, ActivityAware, MethodChannel.MethodCallHandler { | ||
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| const val viewTypeId = "presentation_displays_plugin" | ||
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| /** | ||
| * @hide | ||
| */ | ||
| @JvmStatic | ||
| fun registerWith(registrar: Registrar) { | ||
| registrar.platformViewRegistry().registerViewFactory(viewTypeId, PresentationDisplaysFactory(registrar.messenger(),registrar)) | ||
| private lateinit var channel : MethodChannel | ||
| private var flutterEngineChannel: MethodChannel? = null | ||
| private var displayManager: DisplayManager? = null | ||
| private var context:Context?=null | ||
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| override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) { | ||
| channel = MethodChannel(flutterPluginBinding.flutterEngine.dartExecutor, viewTypeId) | ||
| channel.setMethodCallHandler(this) | ||
| } | ||
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| companion object{ | ||
| private val viewTypeId = "presentation_displays_plugin" | ||
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| /** | ||
| * @hide | ||
| */ | ||
| @JvmStatic | ||
| fun registerWith(registrar: PluginRegistry.Registrar) { | ||
| val channel = MethodChannel(registrar.messenger(), viewTypeId) | ||
| channel.setMethodCallHandler(PresentationDisplaysPlugin()) | ||
| } | ||
| } | ||
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| override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) { | ||
| channel.setMethodCallHandler(null) | ||
| } | ||
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| override fun onMethodCall(call: MethodCall, result: MethodChannel.Result) { | ||
| Log.i(TAG, "Channel: method: ${call.method} | arguments: ${call.arguments}") | ||
| when (call.method) { | ||
| "showPresentation" -> { | ||
| try { | ||
| val obj = JSONObject(call.arguments as String) | ||
| Log.i(TAG, "Channel: method: ${call.method} | displayId: ${obj.getInt("displayId")} | routerName: ${obj.getString("routerName")}") | ||
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| val displayId: Int = obj.getInt("displayId") | ||
| val tag: String = obj.getString("routerName") | ||
| val display = displayManager?.getDisplay(displayId) | ||
| val flutterEngine = createFlutterEngine(tag) | ||
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| if (display != null) { | ||
| flutterEngine?.let { | ||
| flutterEngineChannel = MethodChannel(it.dartExecutor.binaryMessenger, "${viewTypeId}_engine") | ||
| val presentation = context?.let { it1 -> PresentationDisplay(it1, tag, display) } | ||
| presentation?.show() | ||
| result.success(true) | ||
| } ?: result.error("404", "Can't find FlutterEngine", null) | ||
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| } else { | ||
| result.error("404", "Can't find display with displayId is $displayId", null) | ||
| } | ||
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| } catch (e: Exception) { | ||
| result.error(call.method, e.message, null) | ||
| } | ||
| } | ||
| "listDisplay" -> { | ||
| val gson = Gson() | ||
| val category = call.arguments | ||
| val displays = displayManager?.getDisplays(category as String?) | ||
| val listJson = ArrayList<DisplayJson>() | ||
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| if (displays!=null) { | ||
| for (display: Display in displays) { | ||
| val d = DisplayJson(display.displayId, display.flags, display.rotation, display.name) | ||
| listJson.add(d) | ||
| } | ||
| result.success(gson.toJson(listJson)) | ||
| } | ||
| } | ||
| "transferDataToPresentation" -> { | ||
| try { | ||
| flutterEngineChannel?.invokeMethod("DataTransfer", call.arguments) | ||
| result.success(true) | ||
| } catch (e: Exception) { | ||
| result.success(false) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| private fun createFlutterEngine(tag: String): FlutterEngine? { | ||
| if(context == null) | ||
| return null | ||
| if (FlutterEngineCache.getInstance().get(tag) == null) { | ||
| val flutterEngine = FlutterEngine(context!!) | ||
| flutterEngine.navigationChannel.setInitialRoute(tag) | ||
| flutterEngine.dartExecutor.executeDartEntrypoint( | ||
| DartExecutor.DartEntrypoint.createDefault() | ||
| ) | ||
| flutterEngine.lifecycleChannel.appIsResumed() | ||
| // Cache the FlutterEngine to be used by FlutterActivity. | ||
| FlutterEngineCache.getInstance().put(tag, flutterEngine) | ||
| } | ||
| return FlutterEngineCache.getInstance().get(tag) | ||
| } | ||
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| override fun onDetachedFromActivity() { | ||
| } | ||
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| override fun onReattachedToActivityForConfigChanges(binding: ActivityPluginBinding) { | ||
| } | ||
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| override fun onAttachedToActivity(binding: ActivityPluginBinding) { | ||
| this.context = binding.activity | ||
| this.displayManager = context?.getSystemService(Context.DISPLAY_SERVICE) as DisplayManager | ||
| } | ||
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| override fun onDetachedFromActivityForConfigChanges() { | ||
| } | ||
| } |
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