Ignore type 0 capture fails on Android, and added capture timeout.

packages/camera/camera/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.6.6+1
+
+* Fixes picture captures causing a crash on some Huawei devices.
+
 ## 0.6.6
 
 * Adds auto focus support for Android and iOS implementations.

packages/camera/camera/android/src/main/java/io/flutter/plugins/camera/Camera.java

@@ -464,17 +464,20 @@ public void onCaptureFailed(
             return;
           }
           String reason;
+          boolean fatalFailure = false;
           switch (failure.getReason()) {
             case CaptureFailure.REASON_ERROR:
               reason = "An error happened in the framework";
               break;
             case CaptureFailure.REASON_FLUSHED:
               reason = "The capture has failed due to an abortCaptures() call";
+              fatalFailure = true;
               break;
             default:
               reason = "Unknown reason";
           }
-          pictureCaptureRequest.error("captureFailure", reason, null);
+          Log.w("Camera", "pictureCaptureCallback.onCaptureFailed(): " + reason);
+          if (fatalFailure) pictureCaptureRequest.error("captureFailure", reason, null);
         }
 
         private void processCapture(CaptureResult result) {

packages/camera/camera/android/src/main/java/io/flutter/plugins/camera/PictureCaptureRequest.java

@@ -4,6 +4,7 @@
 
 package io.flutter.plugins.camera;
 
+import android.os.Handler;
 import androidx.annotation.Nullable;
 import io.flutter.plugin.common.MethodChannel;
 
@@ -19,17 +20,25 @@ enum State {
     error,
   }
 
+  private static final int REQUEST_TIMEOUT = 5000;
+  private final Handler handler;
   private final MethodChannel.Result result;
   private State state;
 
   public PictureCaptureRequest(MethodChannel.Result result) {
     this.result = result;
     state = State.idle;
+    this.handler = new Handler();
   }
 
   public void setState(State state) {
     if (isFinished()) throw new IllegalStateException("Request has already been finished");
     this.state = state;
+    if (state != State.idle && state != State.finished && state != State.error) {
+      this.resetTimeout();
+    } else {
+      clearTimeout();
+    }
   }
 
   public State getState() {
@@ -42,14 +51,33 @@ public boolean isFinished() {
 
   public void finish(String absolutePath) {
     if (isFinished()) throw new IllegalStateException("Request has already been finished");
+    clearTimeout();
     result.success(absolutePath);
     state = State.finished;
   }
 
   public void error(
       String errorCode, @Nullable String errorMessage, @Nullable Object errorDetails) {
     if (isFinished()) throw new IllegalStateException("Request has already been finished");
+    clearTimeout();
     result.error(errorCode, errorMessage, errorDetails);
     state = State.error;
   }
+
+  private final Runnable timeoutCallback =
+      new Runnable() {
+        @Override
+        public void run() {
+          error("captureTimeout", "Picture capture request timed out", state.toString());
+        }
+      };
+
+  private void resetTimeout() {
+    clearTimeout();
+    handler.postDelayed(timeoutCallback, REQUEST_TIMEOUT);
+  }
+
+  private void clearTimeout() {
+    handler.removeCallbacks(timeoutCallback);
+  }
 }

packages/camera/camera/pubspec.yaml

@@ -2,7 +2,7 @@ name: camera
 description: A Flutter plugin for getting information about and controlling the
   camera on Android and iOS. Supports previewing the camera feed, capturing images, capturing video,
   and streaming image buffers to dart.
-version: 0.6.6
+version: 0.6.6+1
 homepage: https://github.com/flutter/plugins/tree/master/packages/camera/camera
 
 dependencies: