在过去的 3 天里,我一直在与这种“内存泄漏”作斗争,虽然我已经简化了应用程序的其他部分,但这个问题仍然存在。
首先我想做的是什么。我正在使用 EXTRA_OUTPUT 触发 IMAGE_CAPTURE 的 Intent 以将图像保存到文件中。然后,我为用户显示按 2 的顺序缩小的返回图像,让他选择图像的正方形部分。一旦他选择了它,他就会被带到另一个活动,让他用一些文本等标记图像,并最终使用 HTTPPost 将所有内容上传到服务器。
现在,一切都很好!我可以通过它,一切正常,没有任何问题。但是,如果我尝试拍摄另一张照片,我总是会遇到内存不足异常。这是最近一次发生的 Logcat
02-18 19:07:19.498: ERROR/dalvikvm-heap(6385): 1040400-byte external allocation too large for this process.
02-18 19:07:19.498: ERROR/GraphicsJNI(6385): VM won't let us allocate 1040400 bytes
02-18 19:07:19.498: DEBUG/AndroidRuntime(6385): Shutting down VM
02-18 19:07:19.498: WARN/dalvikvm(6385): threadid=1: thread exiting with uncaught exception (group=0x4001d7f0)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): FATAL EXCEPTION: main
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.hitpost/com.hitpost.SharePicture}: android.view.InflateException: Binary XML file line #29: Error inflating class <unknown>
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.os.Handler.dispatchMessage(Handler.java:99)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.os.Looper.loop(Looper.java:123)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.app.ActivityThread.main(ActivityThread.java:4627)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at java.lang.reflect.Method.invokeNative(Native Method)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at java.lang.reflect.Method.invoke(Method.java:521)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at dalvik.system.NativeStart.main(Native Method)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): Caused by: android.view.InflateException: Binary XML file line #29: Error inflating class <unknown>
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.view.LayoutInflater.createView(LayoutInflater.java:513)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:563)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.view.LayoutInflater.rInflate(LayoutInflater.java:618)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.view.LayoutInflater.rInflate(LayoutInflater.java:621)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.view.LayoutInflater.inflate(LayoutInflater.java:407)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:198)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.app.Activity.setContentView(Activity.java:1647)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at com.hitpost.SharePicture.onCreate(SharePicture.java:90)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): ... 11 more
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): Caused by: java.lang.reflect.InvocationTargetException
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.widget.ImageView.<init>(ImageView.java:108)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at java.lang.reflect.Constructor.constructNative(Native Method)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at java.lang.reflect.Constructor.newInstance(Constructor.java:446)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.view.LayoutInflater.createView(LayoutInflater.java:500)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): ... 23 more
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): Caused by: java.lang.OutOfMemoryError: bitmap size exceeds VM budget
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.graphics.Bitmap.nativeCreate(Native Method)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.graphics.Bitmap.createBitmap(Bitmap.java:468)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.graphics.Bitmap.createBitmap(Bitmap.java:435)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.graphics.Bitmap.createScaledBitmap(Bitmap.java:340)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.graphics.BitmapFactory.finishDecode(BitmapFactory.java:488)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:462)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:323)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:697)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.content.res.Resources.loadDrawable(Resources.java:1709)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.content.res.TypedArray.getDrawable(TypedArray.java:601)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): at android.widget.ImageView.<init>(ImageView.java:118)
02-18 19:07:19.518: ERROR/AndroidRuntime(6385): ... 27 more
它在最后一个 Activity 的 setContentView 上失败,因为它向用户显示了一次图片,但不知何故无法再次显示它。
我非常感谢您的帮助!
更新 我一直在多部手机上测试这个问题,唯一似乎这样做的是带有 Froyo 的 Nexus One。适用于 Samsung Captivate 2.1,在 Moto Milestone 2.1 上不会因这个问题而崩溃。
最后我还需要一个 500 x 500 的图像,所以我不能按比例缩小超过 2 倍。