Questions tagged «bitmapfactory»

6
从文件路径创建位图/绘图
我正在尝试从现有文件路径创建位图或可绘制对象。 String path = intent.getStringExtra("FilePath"); BitmapFactory.Options option = new BitmapFactory.Options(); option.inPreferredConfig = Bitmap.Config.ARGB_8888; mImg.setImageBitmap(BitmapFactory.decodeFile(path)); // mImg.setImageBitmap(BitmapFactory.decodeFile(path, option)); // mImg.setImageDrawable(Drawable.createFromPath(path)); mImg.setVisibility(View.VISIBLE); mText.setText(path); 但是setImageBitmap(),setImageDrawable()不会显示路径中的图像。我已经打印了路径,mText它看起来像:/storage/sdcard0/DCIM/100LGDSC/CAM00001.jpg 我究竟做错了什么?有人可以帮助我吗?

6
如何解决Android中的java.lang.OutOfMemoryError问题
虽然我在drawable文件夹中的图像尺寸非常小,但我从用户那里收到此错误。而且我没有在代码中使用任何位图函数。至少故意:) java.lang.OutOfMemoryError at android.graphics.BitmapFactory.nativeDecodeAsset(Native Method) at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:683) at android.graphics.BitmapFactory.decodeResourceStream(BitmapFactory.java:513) at android.graphics.drawable.Drawable.createFromResourceStream(Drawable.java:889) at android.content.res.Resources.loadDrawable(Resources.java:3436) at android.content.res.Resources.getDrawable(Resources.java:1909) at android.view.View.setBackgroundResource(View.java:16251) at com.autkusoytas.bilbakalim.SoruEkrani.cevapSecimi(SoruEkrani.java:666) at com.autkusoytas.bilbakalim.SoruEkrani$9$1.run(SoruEkrani.java:862) at android.os.Handler.handleCallback(Handler.java:733) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:146) at android.app.ActivityThread.main(ActivityThread.java:5602) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:515) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1283) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1099) at dalvik.system.NativeStart.main(Native Method) 根据这个stackTrace,我在这一行开始这个错误(“ tv”是textView): tv.setBackgroundResource(R.drawable.yanlis); 问题是什么?如果您需要有关代码的其他信息,可以添加它。谢谢!
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