Question

我不知道是什么原因以及在什么地方导致了我的一个片段屏幕上的此异常。

我尝试使用此TooLargeTool对其进行调试我有这样的输出：

2-19 18:20:24.317 25554 25554 D TooLargeTool: * android:support:fragments = 23.9 KB
12-19 18:20:24.317 25554 25554 D TooLargeTool: * android:view_state = 0.1 KB
12-19 18:20:24.317 25554 25554 D TooLargeTool: * android-support-nav:fragment:defaultHost = 0.1 KB
12-19 18:20:28.735 25554 25554 D TooLargeTool: MainActivity.onSaveInstanceState wrote: Bundle@264718100 contains 3 keys and measures 2,554.3 KB when serialized as a Parcel
12-19 18:20:28.735 25554 25554 D TooLargeTool: * android:fragments = 0.4 KB
12-19 18:20:28.735 25554 25554 D TooLargeTool: * android:viewHierarchyState = 4.0 KB
12-19 18:20:28.735 25554 25554 D TooLargeTool: * android:support:fragments = 2,549.9 KB
12-19 18:20:28.736 25554 25554 D TooLargeTool: BillingFragment.onSaveInstanceState wrote: Bundle@217680829 contains 0 keys and measures 0.0 KB when serialized as a Parcel
12-19 18:20:28.759 25554 25554 D TooLargeTool: NavHostFragment.onSaveInstanceState wrote: Bundle@148914 contains 4 keys and measures 25.1 KB when serialized as a Parcel
12-19 18:20:28.759 25554 25554 D TooLargeTool: * android-support-nav:fragment:navControllerState = 0.9 KB
12-19 18:20:28.759 25554 25554 D TooLargeTool: * android:support:fragments = 23.9 KB
12-19 18:20:28.759 25554 25554 D TooLargeTool: * android:view_state = 0.1 KB
12-19 18:20:28.759 25554 25554 D TooLargeTool: * android-support-nav:fragment:defaultHost = 0.1 KB
12-19 18:20:37.247 25554 25554 D TooLargeTool: MainActivity.onSaveInstanceState wrote: Bundle@143078438 contains 6 keys and measures 1,432.2 KB when serialized as a Parcel
12-19 18:20:37.247 25554 25554 D TooLargeTool: * android:fragments = 0.4 KB
12-19 18:20:37.247 25554 25554 D TooLargeTool: * android:support:request_fragment_who = 0.1 KB
12-19 18:20:37.247 25554 25554 D TooLargeTool: * android:support:fragments = 1,427.5 KB
12-19 18:20:37.247 25554 25554 D TooLargeTool: * android:viewHierarchyState = 4.0 KB
12-19 18:20:37.247 25554 25554 D TooLargeTool: * android:support:request_indicies = 0.1 KB
12-19 18:20:37.247 25554 25554 D TooLargeTool: * android:support:next_request_index = 0.1 KB
12-19 18:20:37.248 25554 25554 D TooLargeTool: BillingFragment.onSaveInstanceState wrote: Bundle@249100391 contains 0 keys and measures 0.0 KB when serialized as a Parcel
12-19 18:20:37.282 25554 25554 D TooLargeTool: NavHostFragment.onSaveInstanceState wrote: Bundle@79386132 contains 4 keys and measures 25.1 KB when serialized as a Parcel
12-19 18:20:37.282 25554 25554 D TooLargeTool: * android-support-nav:fragment:navControllerState = 0.9 KB
12-19 18:20:37.282 25554 25554 D TooLargeTool: * android:support:fragments = 23.9 KB
12-19 18:20:37.282 25554 25554 D TooLargeTool: * android:view_state = 0.1 KB
12-19 18:20:37.282 25554 25554 D TooLargeTool: * android-support-nav:fragment:defaultHost = 0.1 KB

该屏幕与其他屏幕没有太大区别，也没有这种例外。

我经常遇到这样的错误

 java.lang.RuntimeException: android.os.TransactionTooLargeException: data parcel size 1432340 bytes
        at android.app.ActivityThread$StopInfo.run(ActivityThread.java:3781)
        at android.os.Handler.handleCallback(Handler.java:751)
        at android.os.Handler.dispatchMessage(Handler.java:95)
        at android.os.Looper.loop(Looper.java:154)
        at android.app.ActivityThread.main(ActivityThread.java:6119)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
     Caused by: android.os.TransactionTooLargeException: data parcel size 1432340 bytes
        at android.os.BinderProxy.transactNative(Native Method)
        at android.os.BinderProxy.transact(Binder.java:615)
        at android.app.ActivityManagerProxy.activityStopped(ActivityManagerNative.java:3636)
        at android.app.ActivityThread$StopInfo.run(ActivityThread.java:3773)

我有一个带有ImageView的自定义视图，并且我认为这种情况可能是这样将图像保存在Parcel中的：

internal class SavedState : ValidableTextInput.SavedState {

        var iconState : Drawable? = null

        constructor(superState: Parcelable) : super(superState) {}
        private constructor(parcel: Parcel) : super(parcel) {
            // order of reading must match order of writing
            val bitmap = parcel.readParcelable(javaClass.classLoader) as Bitmap
            this.iconState = BitmapDrawable(Resources.getSystem(), bitmap)
        }

        override fun writeToParcel(out: Parcel, flags: Int) {
            super.writeToParcel(out, flags)

            val bitmap = iconState?.toBitmap()
            out.writeParcelable(bitmap, flags)
        }

        companion object CREATOR : Parcelable.Creator<ValidableIconTextInput.SavedState> {
            override fun createFromParcel(parcel: Parcel): ValidableIconTextInput.SavedState {
                return ValidableIconTextInput.SavedState(parcel)
            }

            override fun newArray(size: Int): Array<ValidableIconTextInput.SavedState?> {
                return arrayOfNulls(size)
            }
        }
    }

Answer 1

我发现它具有SavedState的超类，然后我还将可绘制的背景保存到了包裹中。肯定地，这引起了问题。

就像这里：

internal open class SavedState : View.BaseSavedState {

        var textInputState: String? = null
        var backgroundState: Drawable? = null

        constructor(superState: Parcelable) : super(superState) {}
        protected constructor(parcel: Parcel) : super(parcel) {
            // order of reading must match order of writing
            this.textInputState = parcel.readString()
            val bitmap = parcel.readParcelable(javaClass.classLoader) as Bitmap
            this.backgroundState = BitmapDrawable(Resources.getSystem(), bitmap)
        }

        override fun writeToParcel(out: Parcel, flags: Int) {
            super.writeToParcel(out, flags)
            // order of writing must match order of reading
            out.writeString(this.textInputState)
            val bitmap = backgroundState?.toBitmap()
            out.writeParcelable(bitmap, flags)
        }

        override fun describeContents(): Int {
            return 0
        }

        companion object CREATOR : Parcelable.Creator<SavedState> {
            override fun createFromParcel(parcel: Parcel): SavedState {
                return SavedState(parcel)
            }

            override fun newArray(size: Int): Array<SavedState?> {
               return arrayOfNulls(size)
            }
        }
    }

Android TransactionTooLargeException不知道是什么原因

1 个答案: