新增多线程优先级

Signed-off-by: zenggaofeng <zenggaofeng2@h-partners.com>

entry/src/main/ets/pages/imageknifeTestCaseIndex.ets

@@ -35,7 +35,11 @@ struct IndexFunctionDemo {
               console.log("测试文件子系统")
               router.pushUrl({ url: "pages/basicTestFileIOPage" });
             }).margin({ top: 5, left: 3 })
-
+          Button("优先级加载")
+            .onClick(() => {
+              console.log("优先级加载")
+              router.pushUrl({ url: "pages/testPriorityComponent" });
+            }).margin({ top: 5, left: 3 })
         }.width('100%').height(60).backgroundColor(Color.Pink)
 
         Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {

entry/src/main/ets/pages/testPriorityComponent.ets

@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { ImageKnifeComponent , Priority , NONE } from '@ohos/libraryimageknife'
+
+@Entry
+@Component
+struct TestPriorityComponent {
+  private data: string[] = [
+    "http://e.hiphotos.baidu.com/image/pic/item/a1ec08fa513d2697e542494057fbb2fb4316d81e.jpg",
+    "http://c.hiphotos.baidu.com/image/pic/item/30adcbef76094b36de8a2fe5a1cc7cd98d109d99.jpg",
+    "http://h.hiphotos.baidu.com/image/pic/item/7c1ed21b0ef41bd5f2c2a9e953da81cb39db3d1d.jpg",
+    "http://g.hiphotos.baidu.com/image/pic/item/55e736d12f2eb938d5277fd5d0628535e5dd6f4a.jpg",
+    "http://e.hiphotos.baidu.com/image/pic/item/4e4a20a4462309f7e41f5cfe760e0cf3d6cad6ee.jpg",
+    "http://b.hiphotos.baidu.com/image/pic/item/9d82d158ccbf6c81b94575cfb93eb13533fa40a2.jpg",
+    "http://e.hiphotos.baidu.com/image/pic/item/4bed2e738bd4b31c1badd5a685d6277f9e2ff81e.jpg",
+    "http://g.hiphotos.baidu.com/image/pic/item/0d338744ebf81a4c87a3add4d52a6059252da61e.jpg",
+    "http://a.hiphotos.baidu.com/image/pic/item/f2deb48f8c5494ee5080c8142ff5e0fe99257e19.jpg",
+    "http://f.hiphotos.baidu.com/image/pic/item/4034970a304e251f503521f5a586c9177e3e53f9.jpg",
+    "http://b.hiphotos.baidu.com/image/pic/item/279759ee3d6d55fbb3586c0168224f4a20a4dd7e.jpg",
+    "http://img2.xkhouse.com/bbs/hfhouse/data/attachment/forum/corebbs/2009-11/2009113011534566298.jpg",
+    "http://a.hiphotos.baidu.com/image/pic/item/e824b899a9014c087eb617650e7b02087af4f464.jpg",
+    "http://c.hiphotos.baidu.com/image/pic/item/9c16fdfaaf51f3de1e296fa390eef01f3b29795a.jpg",
+    "http://d.hiphotos.baidu.com/image/pic/item/b58f8c5494eef01f119945cbe2fe9925bc317d2a.jpg",
+    "http://h.hiphotos.baidu.com/image/pic/item/902397dda144ad340668b847d4a20cf430ad851e.jpg",
+    "http://b.hiphotos.baidu.com/image/pic/item/359b033b5bb5c9ea5c0e3c23d139b6003bf3b374.jpg",
+    "http://a.hiphotos.baidu.com/image/pic/item/8d5494eef01f3a292d2472199d25bc315d607c7c.jpg",
+    "http://b.hiphotos.baidu.com/image/pic/item/e824b899a9014c08878b2c4c0e7b02087af4f4a3.jpg",
+    "http://g.hiphotos.baidu.com/image/pic/item/6d81800a19d8bc3e770bd00d868ba61ea9d345f2.jpg",
+    "https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVggB",
+    'https://img-blog.csdnimg.cn/20191215043500229.png',
+    'https://img-blog.csdn.net/20140514114029140',
+    'https://hbimg.huabanimg.com/95a6d37a39aa0b70d48fa18dc7df8309e2e0e8e85571e-x4hhks_fw658/format/webp'
+  ]
+
+  build(){
+    Column(){
+      Grid(){
+        ForEach(this.data,(item:string,index:number)=>{
+          GridItem(){
+            if(index % 2 == 0){
+              ImageKnifeComponent({
+                imageKnifeOption:{
+                  loadSrc:item,
+                  placeholderSrc:$r('app.media.icon_loading'),
+                  strategy:new NONE(),
+                  isCacheable:false,
+                  priority:Priority.LOW
+                }
+              })
+            } else if (index % 3 == 0) {
+              ImageKnifeComponent({
+                imageKnifeOption:{
+                  loadSrc:item,
+                  placeholderSrc:$r('app.media.icon_loading'),
+                  strategy:new NONE(),
+                  isCacheable:false,
+                  priority:Priority.MEDIUM
+                }
+              })
+            } else {
+              ImageKnifeComponent({
+                imageKnifeOption:{
+                  loadSrc:item,
+                  placeholderSrc:$r('app.media.icon_loading'),
+                  strategy:new NONE(),
+                  isCacheable:false,
+                  priority:Priority.HIGH
+                }
+              })
+            }
+          }
+        })
+      }
+      .width("100%")
+      .height("100%")
+      .columnsTemplate("1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr")
+      .rowsTemplate("1fr 1fr 1fr 1fr 1fr 1fr 1fr 1fr")
+      .columnsGap(10)
+      .backgroundColor(0xFAEEE0)
+    }.width("100%").height("100%").backgroundColor(Color.Pink)
+  }
+}

entry/src/main/resources/base/profile/main_pages.json

@@ -43,6 +43,7 @@
     "pages/testImageKnifeHttpRequestHeader",
     "pages/testImageKnifeAutoPage",
     "pages/testImageKnifeAutoWidthPage",
-    "pages/testImageKnifeAutoHeightPage"
+    "pages/testImageKnifeAutoHeightPage",
+    "pages/testPriorityComponent"
   ]
 }