我是编程新手,过去 3 个月我一直在制作应用程序,并学到了一些东西。但我还没有遇到如何解决这个问题。我一直使用 Parse.com 作为我的服务器,发送图片,保存用户数据等。有了所有这些数据,如果我多次打开某些活动,特别是带有图片的活动,应用程序就会不断崩溃。现在我已经压缩了图片并使其最大分辨率为 400x400。但不知何故,分配内存不足的情况不断弹出。有谁知道可以解决这个问题的方法吗?因为当应用程序在 Android Studio 中崩溃时,我手机上以前的内存似乎被删除了(并非所有缓存数据)。
Thanks.
// 编辑这是 Logcat
**
Out of memory: Heap Size=43591KB, Allocated=14395KB, Limit=49152KB
06-10 03:39:26.220 9344-9344/com.parseapp.eseen.eseen E/dalvikvm﹕ Extra info: Footprint=43591KB, Allowed Footprint=43591KB, Trimmed=21928KB
06-10 03:39:26.220 9344-9344/com.parseapp.eseen.eseen D/skia﹕ --- Unable to allocate space, reportSizeToVM = true
06-10 03:39:26.220 9344-9344/com.parseapp.eseen.eseen W/dalvikvm﹕ threadid=1: thread exiting with uncaught exception (group=0x40d90390)
06-10 03:39:26.230 9344-9344/com.parseapp.eseen.eseen E/AndroidRuntime﹕ FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.parseapp.eseen.eseen/com.parseapp.eseen.eseen.LoginActivity}: android.view.InflateException: Binary XML file line #1: Error inflating class <unknown>
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2355)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2391)
at android.app.ActivityThread.access$600(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1335)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5511)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1029)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:796)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #1: Error inflating class <unknown>
at android.view.LayoutInflater.createView(LayoutInflater.java:613)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:660)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:369)
at android.app.Activity.setContentView(Activity.java:1912)
at com.parseapp.eseen.eseen.LoginActivity.onCreate(LoginActivity.java:29)
at android.app.Activity.performCreate(Activity.java:5066)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1101)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2311)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2391)
at android.app.ActivityThread.access$600(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1335)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5511)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1029)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:796)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:417)
at android.view.LayoutInflater.createView(LayoutInflater.java:587)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:660)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:369)
at android.app.Activity.setContentView(Activity.java:1912)
at com.parseapp.eseen.eseen.LoginActivity.onCreate(LoginActivity.java:29)
at android.app.Activity.performCreate(Activity.java:5066)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1101)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2311)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2391)
at android.app.ActivityThread.access$600(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1335)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5511)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1029)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:796)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.OutOfMemoryError: (Heap Size=43591KB, Allocated=14395KB)
at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method)
at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:626)
at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:473)
at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:781)
at android.content.res.Resources.loadDrawable(Resources.java:1959)
at android.content.res.TypedArray.getDrawable(TypedArray.java:601)
at android.view.View.<init>(View.java:3354)
at android.view.View.<init>(View.java:3291)
at android.view.ViewGroup.<init>(ViewGroup.java:432)
at android.widget.RelativeLayout.<init>(RelativeLayout.java:184)
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:417)
at android.view.LayoutInflater.createView(LayoutInflater.java:587)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:56)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:660)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:369)
at android.app.Activity.setContentView(Activity.java:1912)
at com.parseapp.eseen.eseen.LoginActivity.onCreate(LoginActivity.java:29)
at android.app.Activity.performCreate(Activity.java:5066)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1101)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2311)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2391)
at android.app.ActivityThread.access$600(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1335)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5511)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1029)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:796)
at dalvik.system.NativeStart.main(Native Method)
**
由于代码长度限制为 30,000 个字符,因此代码太长,无法放在这里
如果您使用 parse.com 并从数据库获取图像并将其转换为位图,它将使您的应用程序崩溃。
你应该做的是,从 parse.com 获取 URL 的图像,有一个名为的方法。
ParseFile.getUrl();
为此,实现了 Picasso 库,这是从数据库加载图像的完美解决方案。
要在您的应用程序中实现毕加索,
compile 'com.squareup.picasso:picasso:2.5.2'
然后从解析数据库中获取文件
ParseFile file = getParseFile("ImageColumn");
加载文件
Uri url = Uri.parse(file.getUrl());
然后只需获取上下文并在传递文件网址后添加..
Picasso.with(context)
.load(url) //load from your URL of parseFile
.into(imageView); //set it to your ImageView
这就是为什么你应该实现这个的原因..
获取 Bitmap 文件会消耗大量内存,并且它会给你
OutOfMemory 异常,您现在遇到的情况。所以相反你
只需获取文件的 URL 即可。加载图像将是
依赖互联网。所以你通过不转换来节省内存
图像中的每一个比特。
此外,您将对每个图像进行循环操作,这将导致您的应用程序崩溃。
完整的教程也可以从官方网站获得毕加索图书馆 http://square.github.io/picasso/
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