Upgrades pigeon & solid_lints, makes takeSnapshot nullable

Author: romaingyh

flutter_vlc_player/android/src/main/java/software/solid/fluttervlcplayer/Enums/DataSourceType.java

@@ -1,20 +1,7 @@
 package software.solid.fluttervlcplayer.Enums;
 
 public enum DataSourceType {
-
-    ASSET(0),
-    NETWORK(1),
-    FILE(2);
-
-    private int mType;
-
-    DataSourceType (int type)
-    {
-        this.mType = type;
-    }
-
-    public int getNumericType() {
-        return mType;
-    }
-
+    ASSET,
+    NETWORK,
+    FILE;
 }

flutter_vlc_player/android/src/main/java/software/solid/fluttervlcplayer/Enums/HwAcc.java

@@ -1,20 +1,8 @@
 package software.solid.fluttervlcplayer.Enums;
 
 public enum HwAcc {
-
-    AUTOMATIC(-1),
-    DISABLED(0),
-    DECODING(1),
-    FULL(2);
-
-    private int mType;
-
-    HwAcc (int type)
-    {
-        this.mType = type;
-    }
-
-    public int getNumericType() {
-        return mType;
-    }
+    AUTOMATIC,
+    DISABLED,
+    DECODING,
+    FULL;
 }

flutter_vlc_player/android/src/main/java/software/solid/fluttervlcplayer/FlutterVlcPlayer.java

@@ -18,6 +18,8 @@
 import android.view.SurfaceView;
 import android.view.View;
 
+import androidx.annotation.Nullable;
+
 import io.flutter.plugin.common.BinaryMessenger;
 import io.flutter.plugin.common.EventChannel;
 import io.flutter.plugin.platform.PlatformView;
@@ -633,10 +635,13 @@ void castToRenderer(String rendererDevice) {
         mediaPlayer.play();
     }
 
+    @Nullable
     String getSnapshot() {
         if (textureView == null) return "";
 
         Bitmap bitmap = textureView.getBitmap();
+        if (bitmap == null) return null;
+
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
         bitmap.compress(Bitmap.CompressFormat.JPEG, 100, outputStream);
         return Base64.encodeToString(outputStream.toByteArray(), Base64.NO_WRAP);