Question

我使用开源库来划分imageview。我在那个视图上应用了那个库

<com.winsontan520.WScratchView
    xmlns:wsv="http://schemas.android.com/apk/res-auto"
    android:id="@+id/scratch_view"
    android:layout_width="300dp"
    android:layout_height="300dp"
    android:layout_centerInParent="true" />

（注意：此视图扩展到surfaceview）。

然后我在该视图上应用了图像源

WScratchView _imageToErase = (WScratchView) findViewById(R.id.scratch_view); 
BitmapFactory.Options options2 = new BitmapFactory.Options();
options2.inDither = false;
options2.inPurgeable = true;
options2.inInputShareable = true;
options2.inPreferredConfig = Config.ARGB_8888; 
Bitmap bitmap = BitmapFactory.decodeFile(filepath, options2);
_imageToErase.setScratchBitmap(bitmap);

然后在将图像源设置到该视图后，我稍微划了一下。在刮擦之后，我会像那样截取该视图的截图

View u = findViewById(R.id.scratch_view);
u.setDrawingCacheEnabled(true);
u.buildDrawingCache(true);
Bitmap b = Bitmap.createBitmap(u.getDrawingCache());
u.setDrawingCacheEnabled(false);
File mlr = new File(Environment.getExternalStorageDirectory()
.toString() + File.separator + "Colors");
    if (!mlr.exists()) {
            mlr.mkdir();
        }
String extr = mlr.getPath();
String fileName = new SimpleDateFormat("yyyyMMddhhmm'_Colors.png'")
.format(new Date());
File myPath = new File(extr, fileName);
FileOutputStream fos = null;
 try {
        fos = new FileOutputStream(myPath);
        b.compress(Bitmap.CompressFormat.PNG, 100, fos);
        fos.flush();
        fos.close();
        MediaStore.Images.Media.insertImage(getContentResolver(), b,
        "Screen", "screen");
    } catch (FileNotFoundException e) {
            e.printStackTrace();
    } catch (Exception e) {
            e.printStackTrace();
    }

从此视图截取的屏幕截图显示空白视图，有或没有划痕。我搜索了很多，但我不知道我做错了什么。任何帮助将非常感激。谢谢

Answer 1

这是因为SurfaceView的渲染与任何其他视图不同。

试试这样：

Bitmap  screenshot = Bitmap.createBitmap(_imageToErase.getWidth(), _imageToErase.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(screenshot);
_imageToErase.draw(canvas); 


File mlr = new File(Environment.getExternalStorageDirectory()
.toString() + File.separator + "Colors");
    if (!mlr.exists()) {
            mlr.mkdir();
        }
String extr = mlr.getPath();
String fileName = new SimpleDateFormat("yyyyMMddhhmm'_Colors.png'")
.format(new Date());
File myPath = new File(extr, fileName);
FileOutputStream fos = null;
 try {
        fos = new FileOutputStream(myPath);
        screenshot.compress(Bitmap.CompressFormat.PNG, 100, fos);
        fos.flush();
        fos.close();
        MediaStore.Images.Media.insertImage(getContentResolver(), b,
        "Screen", "screen");
    } catch (FileNotFoundException e) {
            e.printStackTrace();
    } catch (Exception e) {
            e.printStackTrace();
    }

抓取

1 个答案: