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Release TextureView surface within FlutterTextureView when disconnected. (#48535) #15899

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matthew-carroll merged 2 commits into from
Jan 23, 2020
Merged

Release TextureView surface within FlutterTextureView when disconnected. (#48535) #15899

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5366f85
Release TextureView surface within FlutterTextureView when disconnect…
matthew-carroll Jan 22, 2020
60917d7
Null out renderSurface.
matthew-carroll Jan 22, 2020
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7 changes: 6 additions & 1 deletion shell/platform/android/io/flutter/embedding/android/FlutterTextureView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@ public class FlutterTextureView extends TextureView implements RenderSurface {
private boolean isAttachedToFlutterRenderer = false;
@Nullable
private FlutterRenderer flutterRenderer;
@Nullable
private Surface renderSurface;

// Connects the {@code SurfaceTexture} beneath this {@code TextureView} with Flutter's native code.
// Callbacks are received by this Object and then those messages are forwarded to our
Expand Down Expand Up @@ -172,7 +174,8 @@ private void connectSurfaceToRenderer() {
throw new IllegalStateException("connectSurfaceToRenderer() should only be called when flutterRenderer and getSurfaceTexture() are non-null.");
}

flutterRenderer.startRenderingToSurface(new Surface(getSurfaceTexture()));
renderSurface = new Surface(getSurfaceTexture());
flutterRenderer.startRenderingToSurface(renderSurface);
}

// FlutterRenderer must be non-null.
Expand All @@ -192,5 +195,7 @@ private void disconnectSurfaceFromRenderer() {
}

flutterRenderer.stopRenderingToSurface();
renderSurface.release();
renderSurface = null;
}
}