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package io.flutter.facade;
import android.app.Activity;
import android.arch.lifecycle.Lifecycle;
import android.arch.lifecycle.LifecycleObserver;
import android.arch.lifecycle.OnLifecycleEvent;
import android.content.Context;
import android.os.Bundle;
import android.support.annotation.NonNull;
import io.flutter.plugin.common.BasicMessageChannel;
import io.flutter.plugin.common.StringCodec;
import io.flutter.view.FlutterMain;
import io.flutter.view.FlutterNativeView;
import io.flutter.view.FlutterRunArguments;
import io.flutter.view.FlutterView;
import io.flutter.plugins.GeneratedPluginRegistrant;
/**
* Main entry point for using Flutter in Android applications.
*
* <p><strong>Warning:</strong> This file is auto-generated by Flutter tooling.
* DO NOT EDIT.</p>
*/
public final class Flutter {
private Flutter() {
// to prevent instantiation
}
/**
* Initiates the Dart VM. Calling this method at an early point may help decreasing time to first
* frame for a subsequently created {@link FlutterView}.
*
* @param applicationContext the application's {@link Context}
*/
public static void startInitialization(@NonNull Context applicationContext) {
FlutterMain.startInitialization(applicationContext);
}
/**
* Creates a {@link FlutterFragment} managing a {@link FlutterView}. The optional
* initial route string will be made available to the Dart code
* (via {@code window.defaultRouteName}) and may be used to determine which widget
* should be displayed in the view. The default initialRoute is "/".
*
* @param initialRoute an initial route {@link String}, or null
* @return a {@link FlutterFragment}
*/
@NonNull
public static FlutterFragment createFragment(String initialRoute) {
final FlutterFragment fragment = new FlutterFragment();
final Bundle args = new Bundle();
args.putString(FlutterFragment.ARG_ROUTE, initialRoute);
fragment.setArguments(args);
return fragment;
}
/**
* Creates a {@link FlutterView} linked to the specified {@link Activity} and {@link Lifecycle}.
* The optional initial route string will be made available to the Dart code (via
* {@code window.defaultRouteName}) and may be used to determine which widget should be displayed
* in the view. The default initialRoute is "/".
*
* @param activity an {@link Activity}
* @param lifecycle a {@link Lifecycle}
* @param initialRoute an initial route {@link String}, or null
* @return a {@link FlutterView}
*/
@NonNull
public static FlutterView createView(@NonNull final Activity activity, @NonNull final Lifecycle lifecycle, final String initialRoute) {
FlutterMain.startInitialization(activity.getApplicationContext());
FlutterMain.ensureInitializationComplete(activity.getApplicationContext(), null);
final FlutterNativeView nativeView = new FlutterNativeView(activity);
final FlutterView flutterView = new FlutterView(activity, null, nativeView) {
private final BasicMessageChannel<String> lifecycleMessages = new BasicMessageChannel<>(this, "flutter/lifecycle", StringCodec.INSTANCE);
@Override
public void onFirstFrame() {
super.onFirstFrame();
setAlpha(1.0f);
}
@Override
public void onPostResume() {
// Overriding default behavior to avoid dictating system UI via PlatformPlugin.
lifecycleMessages.send("AppLifecycleState.resumed");
}
};
if (initialRoute != null) {
flutterView.setInitialRoute(initialRoute);
}
lifecycle.addObserver(new LifecycleObserver() {
@OnLifecycleEvent(Lifecycle.Event.ON_CREATE)
public void onCreate() {
final FlutterRunArguments arguments = new FlutterRunArguments();
arguments.bundlePath = FlutterMain.findAppBundlePath(activity.getApplicationContext());
arguments.entrypoint = "main";
flutterView.runFromBundle(arguments);
GeneratedPluginRegistrant.registerWith(flutterView.getPluginRegistry());
}
@OnLifecycleEvent(Lifecycle.Event.ON_START)
public void onStart() {
flutterView.onStart();
}
@OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
public void onResume() {
flutterView.onPostResume();
}
@OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
public void onPause() {
flutterView.onPause();
}
@OnLifecycleEvent(Lifecycle.Event.ON_STOP)
public void onStop() {
flutterView.onStop();
}
@OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
public void onDestroy() {
flutterView.destroy();
}
});
flutterView.setAlpha(0.0f);
return flutterView;
}
}