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The text was updated successfully, but these errors were encountered:
首先我们 要知道bitmap内存是怎么计算的例子:
手机屏幕大小 1080 x 1920(inTarget = 420),加载 xhdpi (inDensity = 320)中的图片 1920 x 1080,scale = 420 / 320, 最总我们可以得知 他的占用内存 1418 * 2520 * 4 很明显 被放大了。 防止内存溢出:1对图片进行内存压缩; 2.高分辨率的图片放入对应文件夹; 3.内存复用 4.及时回收
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PS: 新版本的 bitmap 单独存放在 native 堆, 不在 java 堆了; 使用 inBitmap 属性, Glide 也在用; @guosen
这篇文章可以参考下https://juejin.im/entry/5e76df8a518825490b64a506
先通过BitmapFactory.Options 设置inJustDecodeBounds 不占用内存来获取图片信息 判断是否为大图 根据使用场景计算缩放比较 inJustDecodeBounds设置为false 传递inSampleSize缩放比例压缩图片
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The text was updated successfully, but these errors were encountered: