io.flutter.view.FlutterMain Java Examples

private boolean loadIntent(Intent intent, boolean reuseIsolate) {
    String action = intent.getAction();
    if (Intent.ACTION_RUN.equals(action)) {
        String route = intent.getStringExtra("route");
        String appBundlePath = intent.getDataString();
        if (appBundlePath == null) {
            // Fall back to the installation path if no bundle path
            // was specified.
            appBundlePath = FlutterMain.findAppBundlePath(activity.getApplicationContext());
        }
        if (route != null) {
            flutterView.setInitialRoute(route);
        }
        flutterView.runFromBundle(appBundlePath, intent.getStringExtra("snapshot"), "main", reuseIsolate);
        return true;
    }

    return false;
}
 

private boolean loadIntent(Intent intent, boolean reuseIsolate) {
    String action = intent.getAction();
    if (Intent.ACTION_RUN.equals(action)) {
        String route = intent.getStringExtra("route");
        String appBundlePath = intent.getDataString();
        if (appBundlePath == null) {
            // Fall back to the installation path if no bundle path
            // was specified.
            appBundlePath = FlutterMain.findAppBundlePath(activity.getApplicationContext());
        }
        if (route != null) {
            flutterView.setInitialRoute(route);
        }
        flutterView.runFromBundle(appBundlePath, intent.getStringExtra("snapshot"), "main", reuseIsolate);
        return true;
    }

    return false;
}
 

@Override
public boolean onStartJob(JobParameters params) {
    PersistableBundle extras = params.getExtras();
    Context context = getApplicationContext();
    if (isApplicationRunning(context)) {
        if (callbackMethodChannel != null) {
            callbackMethodChannel.invokeMethod("firedWhileApplicationRunning", null);
        }
    } else {
        FlutterNativeView nativeView = new FlutterNativeView(context);
        if (AndroidJobScheduler.pluginRegistrantCallback != null) {
            AndroidJobScheduler.pluginRegistrantCallback.registerWith(nativeView.getPluginRegistry());
        }
        nativeView.runFromBundle(FlutterMain.findAppBundlePath(context), null,
                extras.getString(B_KEY_DART_CB), true);
    }
    if (!extras.containsKey(B_KEY_SCHEDULE_ONCE)) {
        AndroidJobScheduler.scheduleEvery(getApplicationContext(), AndroidJobSchedulerUtils.persistableBundleToJobInfo(extras));
    }
    jobFinished(params, false);
    return true;
}
 

private void startNextIsolate() {

        IsolateHolder isolate = queuedIsolates.peek();

        FlutterMain.ensureInitializationComplete(context, null);

        if (flutterPluginBinding == null)
            isolate.view = new FlutterNativeView(context, true);
        else
            isolate.engine = new FlutterEngine(context);


        FlutterCallbackInformation cbInfo = FlutterCallbackInformation.lookupCallbackInformation(isolate.entryPoint);
        FlutterRunArguments runArgs = new FlutterRunArguments();

        runArgs.bundlePath = FlutterMain.findAppBundlePath(context);
        runArgs.libraryPath = cbInfo.callbackLibraryPath;
        runArgs.entrypoint = cbInfo.callbackName;

        if (flutterPluginBinding == null) {
            isolate.controlChannel = new MethodChannel(isolate.view, NAMESPACE + "/control");
            isolate.startupChannel = new EventChannel(isolate.view, NAMESPACE + "/event");
        } else {
            isolate.controlChannel = new MethodChannel(isolate.engine.getDartExecutor().getBinaryMessenger(), NAMESPACE + "/control");
            isolate.startupChannel = new EventChannel(isolate.engine.getDartExecutor().getBinaryMessenger(), NAMESPACE + "/event");
        }
        isolate.startupChannel.setStreamHandler(this);
        isolate.controlChannel.setMethodCallHandler(this);
        if (flutterPluginBinding == null) {
            registerWithRegistrant(isolate.view.getPluginRegistry());
            isolate.view.runFromBundle(runArgs);
        } else {
            DartExecutor.DartCallback dartCallback = new DartExecutor.DartCallback(context.getAssets(), runArgs.bundlePath, cbInfo);
            isolate.engine.getDartExecutor().executeDartCallback(dartCallback);
        }
    }
 

public void runFlutterBundle(){
    // When an activity is created for the first time, we direct the
    // FlutterView to re-use a pre-existing Isolate rather than create a new
    // one. This is so that an Isolate coming in from the ViewFactory is
    // used.
    final boolean reuseIsolate = true;

    if (loadIntent(activity.getIntent(), reuseIsolate)) {
        return;
    }
    String appBundlePath = FlutterMain.findAppBundlePath(activity.getApplicationContext());
    if (appBundlePath != null) {
        flutterView.runFromBundle(appBundlePath, null, "main", reuseIsolate);
    }
}
 

public void runFlutterBundle(){
    // When an activity is created for the first time, we direct the
    // FlutterView to re-use a pre-existing Isolate rather than create a new
    // one. This is so that an Isolate coming in from the ViewFactory is
    // used.
    final boolean reuseIsolate = true;

    if (loadIntent(activity.getIntent(), reuseIsolate)) {
        return;
    }
    String appBundlePath = FlutterMain.findAppBundlePath(activity.getApplicationContext());
    if (appBundlePath != null) {
        flutterView.runFromBundle(appBundlePath, null, "main", reuseIsolate);
    }
}
 

/**
 * 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;
}
 

@Override
public void onCreate() {
  super.onCreate();
  ReaderSdk.initialize(this);
  FlutterMain.startInitialization(this);
}
 

@Override
public void onCreate() {
    super.onCreate();
    FlutterMain.ensureInitializationComplete(getApplicationContext(), null);
}
 

/**
 * 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);
    }

    @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;
}
 

/**
 * 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);
}
 

/**
 * 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);
}