googlecast

Description:

googlecast

googlecast #
A flutter plugin to connect to audio only chrome cast e.g Google Nest Mini e.t.c.
##Feature
- Load.
- Play.
- Pause.
- Stop.
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##Platform
- Android.
- IOS (Not supported yet).
- Web (Not supported yet).
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Getting Started #

Add the google cast sdk dependencies to your build.gradle file.

implementation 'com.google.android.gms:play-services-cast-framework:21.0.1'
implementation 'com.google.android.exoplayer:extension-cast:2.11.5'
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Open your android folder and create a CastOptionsProvider class in your android project.

import android.content.Context;
import com.google.android.gms.cast.framework.CastOptions;
import com.google.android.gms.cast.framework.OptionsProvider;
import com.google.android.gms.cast.framework.SessionProvider;
import java.util.ArrayList;
import java.util.List;

public class CastOptionsProvider implements OptionsProvider {
private String app_id="CC1AD845";
public static final String CUSTOM_NAMESPACE = "urn:x-cast:radio_fm_am";

@Override
public CastOptions getCastOptions(Context context) {
List<String> supportedNamespaces = new ArrayList<>();
supportedNamespaces.add(CUSTOM_NAMESPACE);
CastOptions castOptions = new CastOptions.Builder()
.setReceiverApplicationId(app_id)

//.setSupportedNamespaces(supportedNamespaces)
.build();
return castOptions;
}
@Override
public List<SessionProvider> getAdditionalSessionProviders(Context context) {
return null;
}
}
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Note: "CC1AD845" application id is the default Media Receiver Application id. If you want to get a custom application id you can checkout google cast sdk documentation to set it up.

Go to MainActivity in your project and import this.

import com.google.android.gms.cast.framework.CastContext;
import io.flutter.embedding.android.FlutterFragmentActivity;
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Make your MainActivity extends FlutterFragmentActivity.
Add this to your MainActivity.

@Override
public void configureFlutterEngine(FlutterEngine flutterEngine){
CastContext.getSharedInstance(getApplicationContext());
}
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Add the CastOptionsProvider to the metadata in your AndroidManifest.xml.

<meta-data
android:name=
"com.google.android.gms.cast.framework.OPTIONS_PROVIDER_CLASS_NAME"
android:value="com.radiofm.freeradio.CastOptionsProvider" />
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Note: Change the value to the CastOptionsProvider location.
##Usage

import

'package:googlecast/CastController.dart';
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Create Cast controller.

CastController castController=new CastController();
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Set media item.

await castController.setMedia(url: music_url,title: title,subtitle: subtitle);
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Note: Subtitle can be null

Load media on chromecast.

await castController.loadAudio();
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Play media on chromecast.

await castController.play();
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Pause media on chromecast.

await castController.pause();
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Stop media on chromecast.

await castController.stop();
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Add ChromeCast Button Widget.

GoogleCastButton(size: 35);
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Listen to chromecast connection state.

GoogleChromeCast().connectionState.listen((event)async{
if(event!=null){
print("$event");
if(event){

}else{

}
}
});
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Note: Return true if connected otherwise false.

Listen to chromcast state.

GoogleChromeCast().messageStream.listen((message){
if(message!=null){
print("$message");
if(message!=null){
if(message=="PLAYING"){

}else if(message=="IDLE"){

} else if(message=="BUFFERING"){

}else if(message=="LOADING"){

}else if(message=="PAUSED"){

}else if(message=="UNKNOWN"){

}else if(message=="ERROR"){

}
}
}
});
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