ShawnPeng

icon indicating a website link https://www.jianshu.com/u/a1963e282e36 icon indicating an email [email protected]

icon company Yanshuang Group icon location Shanghai-China icon location Don't forget that the world penetrates everything that goes through the walls, it's in our hearts, and that's hope.

Results 4 issues of ShawnPeng

提一个关于涉及viewPager里面fragment初始化相关的问题，看看有什么好的解决方案

1 comment

java.lang.NullPointerException: You should call ScrollableHelper.setCurrentScrollableContainer() to set ScrollableContainer.

兼容安卓5.0问题，滑动冲突---下拉放大的视差效果与系统本身阻尼效果

下拉放大头部视图时，出现滑动冲突

java.lang.OutOfMemoryError: Failed to allocate a 6160332 byte allocation with 2849520 free bytes and 2MB until OOM

8 comment

`java.lang.OutOfMemoryError: Failed to allocate a 6160332 byte allocation with 2849520 free bytes and 2MB until OOM at dalvik.system.VMRuntime.newNonMovableArray(VMRuntime.java) at android.graphics.Bitmap.nativeCreate(Bitmap.java) at android.graphics.Bitmap.createBitmap(Bitmap.java:859) at android.graphics.Bitmap.createBitmap(Bitmap.java:829) at android.graphics.Bitmap.createBitmap(Bitmap.java:740) at android.graphics.Bitmap.createBitmap(Bitmap.java:665) at cn.kejin.ximageview.BitmapManager.decodeRectBitmap(BitmapManager.java:646)...

一些建议

` private void buildMask() { ／／＝＝ - mMaskBitmap = Bitmap.createBitmap(getMeasuredWidth(), getMeasuredHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new - Canvas(mMaskBitmap); ＝＝／／`总觉得这样操作bitmap对象，内存占用还是蛮大的。特别是对于一些低端机型，直接oom，以5.0的坚果手机为例，内存占用70-98M。并且资源有时似乎并没有完全释放掉。我也尝试着用别的方式去实现这个背景画布，但是效果一般。还望鸿洋大神能在性能上帮助我们使用上更好的工具。