java - 如何从图库中正确编辑位图？

在我的应用程序中，我从手机图库中获取图像，将其转换为位图，然后更改其尺寸以匹配与之混合的其他位图。当我从互联网上下载图片并从我的应用程序的图库中访问它时，一切正常，但是当我从通过手机拍摄的图库中选择一张图片时，该应用程序崩溃了。

我的代码：

            String stringUri = null;
            Bundle extras = getIntent().getExtras();
            if (extras != null && extras.containsKey("KEY")) {
                stringUri= extras.getString("KEY");
            }
            Uri uri;
            uri = Uri.parse(extras.getString("KEY"));

            try {
                 bmp = MediaStore.Images.Media.getBitmap(this.getContentResolver(), uri);
            } catch (FileNotFoundException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

            bmp=getResizedBitmap(bmp, operation.getWidth(), operation.getHeight());
            bmp.setDensity(c.getDensity());




            myView = new MainView(this, operation, bmp,brush);
            FrameLayout preview = (FrameLayout) findViewById(R.id.preview);
            preview.addView(myView);

}



   public Bitmap getResizedBitmap(Bitmap bm, int newWidth, int newHeight) {
    int width = bm.getWidth();
    int height = bm.getHeight();
    float scaleWidth = ((float) newWidth) / width;
    float scaleHeight = ((float) newHeight) / height;
    // CREATE A MATRIX FOR THE MANIPULATION
    Matrix matrix = new Matrix();
    // RESIZE THE BIT MAP
    matrix.postScale(scaleWidth, scaleHeight);

    // "RECREATE" THE NEW BITMAP
    Bitmap resizedBitmap = Bitmap.createBitmap(bm, 0, 0, width, height, matrix, false);
    return resizedBitmap;
}

这是我的堆栈：

Thread [<1> main] (Suspended (exception OutOfMemoryError))
<VM does not provide monitor information>
BitmapFactory.decodeStream(InputStream, Rect, BitmapFactory$Options) line: 650
BitmapFactory.decodeStream(InputStream) line: 722
MediaStore$Images$Media.getBitmap(ContentResolver, Uri) line: 788
Blend.onCreate(Bundle) line: 106
Blend(Activity).performCreate(Bundle) line: 5206
Instrumentation.callActivityOnCreate(Activity, Bundle) line: 1083
ActivityThread.performLaunchActivity(ActivityThread$ActivityClientRecord, Intent) line: 2064
ActivityThread.handleLaunchActivity(ActivityThread$ActivityClientRecord, Intent) line: 2125
ActivityThread.access$600(ActivityThread, ActivityThread$ActivityClientRecord, Intent) line: 140
ActivityThread$H.handleMessage(Message) line: 1227
ActivityThread$H(Handler).dispatchMessage(Message) line: 99
Looper.loop() line: 137
ActivityThread.main(String[]) line: 4898
Method.invokeNative(Object, Object[], Class, Class[], Class, int, boolean) line: not available [native method]
Method.invoke(Object, Object...) line: 511
ZygoteInit$MethodAndArgsCaller.run() line: 1006
ZygoteInit.main(String[]) line: 773
NativeStart.main(String[]) line: not available [native method]

最佳答案

请参考下面的链接，关于OOM的讨论很大

Strange out of memory issue while loading an image to a Bitmap object

https://stackoverflow.com/questions/5697760/android-out-of-memory-exception-when-creating-bitmap

关于java - 如何从图库中正确编辑位图？，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/29206415/