/** 截图listview * */ public static Bitmap getbBitmap(ListView listView) { int h = 0; Bitmap bitmap = null; // 获取listView实际高度 for (int i = 0; i < listView.getChildCount(); i++) { h += listView.getChildAt(i).getHeight(); } Log.d(TAG, "实际高度:" + h); Log.d(TAG, "list 高度:" + listView.getHeight()); // 创建对应大小的bitmap bitmap = Bitmap.createBitmap(listView.getWidth(), h, Bitmap.Config.ARGB_8888); final Canvas canvas = new Canvas(bitmap); listView.draw(canvas); // 测试输出 FileOutputStream out = null; try { out = new FileOutputStream("/sdcard/screen_test.png"); } catch (FileNotFoundException e) { e.printStackTrace(); } try { if (null != out) { bitmap.compress(Bitmap.CompressFormat.PNG, 100, out); out.flush(); out.close(); } } catch (IOException e) { // TODO: handle exception } return bitmap; }
public static Bitmap getViewBitmap(View v) { v.clearFocus(); v.setPressed(false); boolean willNotCache = v.willNotCacheDrawing(); v.setWillNotCacheDrawing(false); // Reset the drawing cache background color to fully transparent // for the duration of this operation int color = v.getDrawingCacheBackgroundColor(); v.setDrawingCacheBackgroundColor(0); if (color != 0) { v.destroyDrawingCache(); } v.buildDrawingCache(); Bitmap cacheBitmap = v.getDrawingCache(); if (cacheBitmap == null) { Log.e("TTTTTTTTActivity", "failed getViewBitmap(" + v + ")"); return null; } Bitmap bitmap = Bitmap.createBitmap(cacheBitmap); // Restore the view v.destroyDrawingCache(); v.setWillNotCacheDrawing(willNotCache); v.setDrawingCacheBackgroundColor(color); return bitmap; }
/** 把View对象转换成bitmap */ public static Bitmap convertViewToBitmap(View view) { view.measure( MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)); view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight()); view.buildDrawingCache(); Bitmap bitmap = view.getDrawingCache(); if (bitmap != null) { System.out.println("这不是nullde1"); Log.d("nullde1", "nullde1"); } else { System.out.println("这nullnulllnulnlul"); } return bitmap; }