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authorOwen Lin <owenlin@google.com>2012-07-26 17:16:47 +0800
committerOwen Lin <owenlin@google.com>2012-07-30 15:20:58 +0800
commit2ad69713cdb44d1b0ed17104586e81564871ca73 (patch)
treeac045d7f756fc881b41f921d72945b6d27146b57 /gallerycommon/src/com/android
parentc775e7fa64a08a55ae8286643157e2534cf34d45 (diff)
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Fix some lint warnings in Gallery.
1. Implement our own openPipeHelper 2. Add @TargetApi to TileImageViewAdapter Change-Id: I74dca78c4c4f18e0f782afad02d5ba9b410a503e
Diffstat (limited to 'gallerycommon/src/com/android')
-rw-r--r--gallerycommon/src/com/android/gallery3d/common/AsyncTaskUtil.java66
1 files changed, 66 insertions, 0 deletions
diff --git a/gallerycommon/src/com/android/gallery3d/common/AsyncTaskUtil.java b/gallerycommon/src/com/android/gallery3d/common/AsyncTaskUtil.java
new file mode 100644
index 000000000..b70c4d365
--- /dev/null
+++ b/gallerycommon/src/com/android/gallery3d/common/AsyncTaskUtil.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.gallery3d.common;
+
+import android.os.AsyncTask;
+import android.os.Build;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.concurrent.Executor;
+
+/**
+ * Helper class to execute an AsyncTask in parallel if SDK version is 11 or newer.
+ */
+public class AsyncTaskUtil {
+ private static Method sMethodExecuteOnExecutor;
+ private static Executor sExecutor;
+ static {
+ if (Build.VERSION.SDK_INT >= 11) {
+ try {
+ sExecutor = (Executor) AsyncTask.class.getField("THREAD_POOL_EXECUTOR")
+ .get(null);
+ sMethodExecuteOnExecutor = AsyncTask.class.getMethod(
+ "executeOnExecutor", Executor.class, Object[].class);
+ } catch (IllegalAccessException e) {
+ throw new RuntimeException(e);
+ } catch (NoSuchFieldException e) {
+ throw new RuntimeException(e);
+ } catch (NoSuchMethodException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ public static <Param> void executeInParallel(AsyncTask<Param, ?, ?> task, Param... params) {
+ if (Build.VERSION.SDK_INT < 11) {
+ task.execute(params);
+ } else {
+ try {
+ sMethodExecuteOnExecutor.invoke(task, sExecutor, params);
+ } catch (IllegalAccessException e) {
+ throw new RuntimeException(e);
+ } catch (InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+
+ private AsyncTaskUtil() {
+ }
+}
+