public static Bitmap takeScreenShot(Activity activity, View viewFragment) {
// View是你需要截图的View
View view = activity.getWindow().getDecorView();
if (view == null) {
System.out.println("view is null");
} else {
System.out.println("view:" + view.toString());
}
// View view = viewFragment;
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap b1 = view.getDrawingCache();
// 获取状态栏高度
Rect frame = new Rect();
activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
int statusBarHeight = frame.top;
// 获取屏幕长和高
int width = activity.getWindowManager().getDefaultDisplay().getWidth();
int height = activity.getWindowManager().getDefaultDisplay().getHeight();
Bitmap b = Bitmap.createBitmap(b1, 0, statusBarHeight, width, height - statusBarHeight);
view.destroyDrawingCache();
return b;
}
public static Bitmap screenshot(View view, boolean hasstatubar) {
if (view == null) {
return null;
}
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap cachebmp = view.getDrawingCache();
Rect rect = new Rect();
view.getWindowVisibleDisplayFrame(rect);
int statusBarHeights = rect.top;
DisplayMetrics m = view.getResources().getDisplayMetrics();
// 获取屏幕宽和高
int widths = m.widthPixels;
int heights = m.heightPixels;
Bitmap bmp = null;
if (cachebmp != null) {
if (hasstatubar) {
bmp = Bitmap.createBitmap(cachebmp, 0, 0, widths, heights);
} else {
bmp =
Bitmap.createBitmap(cachebmp, 0, statusBarHeights, widths, heights - statusBarHeights);
}
}
view.destroyDrawingCache();
return bmp;
}
/**
* 截屏
*
* @param activity
* @return
*/
public static Bitmap getScreenViewBitmap(Activity activity) {
View view = activity.getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap bitmap = view.getDrawingCache();
return bitmap;
}
/**
* This simple implementation creates a Bitmap copy of the list item currently shown at ListView
* <code>position</code>.
*/
@Override
public View onCreateFloatView(int position) {
// Guaranteed that this will not be null? I think so. Nope, got
// a NullPointerException once...
View v =
mListView.getChildAt(
position + mListView.getHeaderViewsCount() - mListView.getFirstVisiblePosition());
if (v == null) {
return null;
}
v.setPressed(false);
// Create a copy of the drawing cache so that it does not get
// recycled by the framework when the list tries to clean up memory
// v.setDrawingCacheQuality(View.DRAWING_CACHE_QUALITY_HIGH);
v.setDrawingCacheEnabled(true);
mFloatBitmap = Bitmap.createBitmap(v.getDrawingCache());
v.setDrawingCacheEnabled(false);
if (mImageView == null) {
mImageView = new ImageView(mListView.getContext());
}
mImageView.setBackgroundColor(mFloatBGColor);
mImageView.setPadding(0, 0, 0, 0);
mImageView.setImageBitmap(mFloatBitmap);
mImageView.setLayoutParams(new ViewGroup.LayoutParams(v.getWidth(), v.getHeight()));
return mImageView;
}
private String takeScreenshot(String imageName) {
// image naming and path to include sd card appending name you choose
// for file
String mParentFolder = Environment.getExternalStorageDirectory().toString() + "/" + SHARE_PATH;
File mParentDir = new File(mParentFolder);
mParentDir.mkdirs();
String mPath = mParentFolder + "/" + imageName + ".jpg";
// create bitmap screen capture
Bitmap bitmap;
View v1 = findViewById(R.id.awesomepager);
v1.setDrawingCacheEnabled(true);
bitmap = Bitmap.createBitmap(v1.getDrawingCache());
v1.setDrawingCacheEnabled(false);
OutputStream fout = null;
File imageFile = new File(mPath);
try {
fout = new FileOutputStream(imageFile);
bitmap.compress(Bitmap.CompressFormat.JPEG, 97, fout);
fout.flush();
fout.close();
} catch (Exception e) {
mPath = null;
}
return mPath;
}
public void captureScreen() {
int topHeight = 300, bottomHeight = 250;
View v = getWindow().getDecorView().getRootView();
v.setDrawingCacheEnabled(true);
Bitmap b = Bitmap.createBitmap(v.getDrawingCache());
screenShot =
Bitmap.createBitmap(
b, 0, bottomHeight, b.getWidth(), b.getHeight() - (bottomHeight + topHeight));
v.setDrawingCacheEnabled(false);
try {
FileOutputStream fos = this.openFileOutput("screenshot", Context.MODE_PRIVATE);
screenShot.compress(Bitmap.CompressFormat.PNG, 100, fos);
fos.flush();
fos.close();
Intent intent = new Intent(this, EditFinish.class);
intent.putExtra("image", "screenshot");
startActivity(intent);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
private Uri getViewImage(View view) {
try {
File outputDir = getActivity().getCacheDir(); // context being the Activity pointer
File outputFile = File.createTempFile("screen", ".png", outputDir);
view.setDrawingCacheEnabled(true);
Bitmap bitmap = Bitmap.createBitmap(view.getDrawingCache());
try {
view.setDrawingCacheEnabled(false);
FileOutputStream out = new FileOutputStream(outputFile);
try {
bitmap.compress(Bitmap.CompressFormat.JPEG, 90, out);
out.flush();
return Uri.fromFile(outputFile);
} finally {
IOUtils.closeQuietly(out);
}
} finally {
bitmap.recycle();
}
} catch (IOException e) {
Services.Log.error(e);
return null;
}
}
public static Bitmap getDrawingCache(View view) {
view.setDrawingCacheEnabled(true);
Bitmap bmap = view.getDrawingCache();
Bitmap snapshot =
Bitmap.createBitmap(bmap, 0, 0, bmap.getWidth(), bmap.getHeight(), null, true);
view.setDrawingCacheEnabled(false);
return snapshot;
}
/**
* 获取点击的Item的对应View，
*
* @param view
* @return
*/
private ImageView getView(View view) {
view.destroyDrawingCache();
view.setDrawingCacheEnabled(true);
Bitmap cache = Bitmap.createBitmap(view.getDrawingCache());
view.setDrawingCacheEnabled(false);
ImageView iv = new ImageView(this);
iv.setImageBitmap(cache);
return iv;
}
public void thumbNailScaleAnimation(View view) {
view.setDrawingCacheEnabled(true);
view.setPressed(false);
view.refreshDrawableState();
Bitmap bitmap = view.getDrawingCache();
ActivityOptions opts = ActivityOptions.makeThumbnailScaleUpAnimation(view, bitmap, 0, 0);
// Request the activity be started, using the custom animation options.
startActivity(new Intent(MainActivity.this, AnimationActivity.class), opts.toBundle());
view.setDrawingCacheEnabled(false);
}
/** * 截屏 * * @author [email protected] 2013-10-26 下午2:39:01 * @param activity * @return Bitmap */ public static Bitmap shot(Activity activity) { View view = activity.getWindow().getDecorView(); Display display = activity.getWindowManager().getDefaultDisplay(); view.layout(0, 0, display.getWidth(), display.getHeight()); // 允许当前窗口保存缓存信息，这样getDrawingCache()方法才会返回一个Bitmap view.setDrawingCacheEnabled(true); Bitmap bmp = Bitmap.createBitmap(view.getDrawingCache()); view.setDrawingCacheEnabled(false); return bmp; }
/**
* 将定义的view装换成 bitmap格式
*
* @param view
* @return
*/
public static Bitmap convertView2Bitmap(View view) {
view.setDrawingCacheEnabled(true);
Bitmap bitmap = Bitmap.createBitmap(view.getDrawingCache());
view.setDrawingCacheEnabled(false);
return bitmap;
/*
* 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();
* //return bitmap;
*/
// return BitmapUtils.getTransparentBitmap(bitmap,80);
}
public static Bitmap capture(
View view, float width, float height, boolean scroll, Bitmap.Config config) {
if (!view.isDrawingCacheEnabled()) view.setDrawingCacheEnabled(true);
Bitmap bitmap = Bitmap.createBitmap((int) width, (int) height, config);
bitmap.eraseColor(Color.WHITE);
Canvas canvas = new Canvas(bitmap);
int left = view.getLeft();
int top = view.getTop();
if (scroll) {
left = view.getScrollX();
top = view.getScrollY();
}
int status = canvas.save();
canvas.translate(-left, -top);
float scale = width / view.getWidth();
canvas.scale(scale, scale, left, top);
view.draw(canvas);
canvas.restoreToCount(status);
Paint alphaPaint = new Paint();
alphaPaint.setColor(Color.TRANSPARENT);
canvas.drawRect(0f, 0f, 1f, height, alphaPaint);
canvas.drawRect(width - 1f, 0f, width, height, alphaPaint);
canvas.drawRect(0f, 0f, width, 1f, alphaPaint);
canvas.drawRect(0f, height - 1f, width, height, alphaPaint);
canvas.setBitmap(null);
return bitmap;
}
public CustomDragShadowBuilder(View v) {
super(v);
v.setDrawingCacheEnabled(true);
mBitmapDrawable = new BitmapDrawable(v.getResources(), v.getDrawingCache());
}
public void printscreen_share(View v, Activity context) {
View view1 = context.getWindow().getDecorView();
Display display = context.getWindowManager().getDefaultDisplay();
view1.layout(0, 0, display.getWidth(), display.getHeight());
view1.setDrawingCacheEnabled(true);
Bitmap bitmap = Bitmap.createBitmap(view1.getDrawingCache());
}
@Override
public boolean onInterceptTouchEvent(MotionEvent event) {
/**/
if (!waitMoveDrag || (dragListener == null && dropListener == null)) {
return super.onInterceptTouchEvent(event);
}
fileManager.clearClickTime();
int act = event.getAction();
waitMoveDrag = false;
switch (act) {
case MotionEvent.ACTION_DOWN:
int x = (int) event.getX();
int y = (int) event.getY();
int itemNum = pointToPosition(x, y);
if (itemNum == INVALID_POSITION) break;
dragItemFrom = dragCurPos = itemNum;
View item = (View) getChildAt(itemNum - getFirstVisiblePosition());
if (item == null) {
break;
}
dragging = true;
// itemHeight = item.getHeight();
// item.setBackgroundColor(Color.BLUE);
item.setDrawingCacheEnabled(true);
Bitmap bm = Bitmap.createBitmap(item.getDrawingCache());
startDrag(bm, (int) event.getRawX(), (int) event.getRawY());
startDragListener.startDrag(itemNum);
return false;
}
/** */
return super.onInterceptTouchEvent(event);
}
private MemberChip constructChipSpan(User user, int offset, boolean pressed) {
LayoutInflater lf =
(LayoutInflater) getContext().getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
View clipView = lf.inflate(R.layout.member_clip, null);
((TextView) clipView.findViewById(R.id.member_clip)).setText(user.name);
int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
clipView.measure(spec, spec);
clipView.layout(0, 0, clipView.getMeasuredWidth(), clipView.getMeasuredHeight());
Bitmap b =
Bitmap.createBitmap(clipView.getWidth(), clipView.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(b);
canvas.translate(-clipView.getScrollX(), -clipView.getScrollY());
clipView.draw(canvas);
clipView.setDrawingCacheEnabled(true);
Bitmap cacheBmp = clipView.getDrawingCache();
Bitmap viewBmp = cacheBmp.copy(Bitmap.Config.ARGB_8888, true);
clipView.destroyDrawingCache();
Drawable result = new BitmapDrawable(getResources(), viewBmp);
result.setBounds(0, 0, viewBmp.getWidth(), viewBmp.getHeight());
MemberChip chip = new MemberChip(result, user);
return chip;
}
/*
* Restore size and visibility for all listitems
*/
private void unExpandViews(boolean deletion) {
for (int i = 0; ; i++) {
View v = getChildAt(i);
if (v == null) {
if (deletion) {
// HACK force update of mItemCount
int position = getFirstVisiblePosition();
int y = getChildAt(0).getTop();
setAdapter(getAdapter());
setSelectionFromTop(position, y);
// end hack
}
layoutChildren(); // force children to be recreated where needed
v = getChildAt(i);
if (v == null) {
break;
}
}
ViewGroup.LayoutParams params = v.getLayoutParams();
params.height = mItemHeightNormal;
v.setLayoutParams(params);
v.setVisibility(View.VISIBLE);
v.setDrawingCacheEnabled(
false); // Resets the drawing cache, the positions might have changed. We don't want the
// cache to be wrong.
}
}
void clearChildrenCache() {
final int count = getChildCount();
for (int i = 0; i < count; i++) {
final View layout = (View) getChildAt(i);
layout.setDrawingCacheEnabled(false);
}
}
@Override
public boolean onLongClick(View view) {
if (((BrickAdapter) getAdapter()).getActionMode() != BrickAdapter.ActionModeEnum.NO_ACTION) {
return true;
}
((BrickAdapter) getAdapter()).isDragging = true;
((BrickAdapter) getAdapter()).setSpinnersEnabled(false);
int itemPosition = calculateItemPositionAndTouchPointY(view);
boolean drawingCacheEnabled = view.isDrawingCacheEnabled();
view.setDrawingCacheEnabled(true);
view.measure(
MeasureSpec.makeMeasureSpec(ScreenValues.SCREEN_WIDTH, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(
Utils.getPhysicalPixels(WIDTH_OF_BRICK_PREVIEW_IMAGE, getContext()),
MeasureSpec.AT_MOST));
view.layout(0, 0, ScreenValues.SCREEN_WIDTH, view.getMeasuredHeight());
view.setDrawingCacheBackgroundColor(Color.TRANSPARENT);
view.buildDrawingCache(true);
Bitmap bitmap;
if (view.getDrawingCache() == null) {
view.setDrawingCacheEnabled(drawingCacheEnabled);
bitmap = getBitmapFromView(view, getMeasuredWidth(), view.getHeight());
} else {
bitmap = Bitmap.createBitmap(view.getDrawingCache());
}
view.setDrawingCacheEnabled(drawingCacheEnabled);
startDragging(bitmap, touchPointY);
if (!dragNewBrick) {
setDragViewAnimation(0);
dragNewBrick = false;
}
dragAndDropListener.drag(itemPosition, itemPosition);
dimBackground = true;
previousItemPosition = itemPosition;
return true;
}
/**
* 屏幕截图
*
* @param activity
* @return
*/
public static Bitmap viewToBitmap(Activity activity) {
DisplayMetrics dm = new DisplayMetrics();
activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
View view = activity.getWindow().getDecorView();
view.layout(0, 0, dm.widthPixels, dm.heightPixels);
view.setDrawingCacheEnabled(true);
return Bitmap.createBitmap(view.getDrawingCache());
}
/**
* 功能简述:创建一张当前的view的bitmap截图 功能详细描述:根据指定的缩放比例，对当前view进行截图，并返回截图bitmap 注意:
*
* @param view：待画的view
* @param scale：缩放比例
* @return：view的截图，若当前view为null或宽高<=0，则返回null。
*/
public static final Bitmap createBitmap(View view, float scale) {
Bitmap pRet = null;
if (null == view) {
Log.i(TAG, "create bitmap function param view is null");
return pRet;
}
int scaleWidth = (int) (view.getWidth() * scale);
int scaleHeight = (int) (view.getHeight() * scale);
if (scaleWidth <= 0 || scaleHeight <= 0) {
Log.i(TAG, "create bitmap function param view is not layout");
return pRet;
}
boolean bViewDrawingCacheEnable = view.isDrawingCacheEnabled();
if (!bViewDrawingCacheEnable) {
view.setDrawingCacheEnabled(true);
}
try {
Bitmap viewBmp = view.getDrawingCache(true);
// 如果拿到的缓存为空
if (viewBmp == null) {
pRet =
Bitmap.createBitmap(
scaleWidth, scaleHeight, view.isOpaque() ? Config.RGB_565 : Config.ARGB_8888);
Canvas canvas = new Canvas(pRet);
canvas.scale(scale, scale);
view.draw(canvas);
canvas = null;
} else {
pRet = Bitmap.createScaledBitmap(viewBmp, scaleWidth, scaleHeight, true);
}
viewBmp = null;
} catch (OutOfMemoryError e) {
pRet = null;
Log.i(TAG, "create bitmap out of memory");
} catch (Exception e) {
pRet = null;
Log.i(TAG, "create bitmap exception");
}
if (!bViewDrawingCacheEnable) {
view.setDrawingCacheEnabled(false);
}
return pRet;
}
/**
* @param view
* @return 文字转bitmap
*/
private Bitmap textTobimap(View view) {
view.setDrawingCacheEnabled(true);
view.measure(
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
Bitmap bitmap = view.getDrawingCache();
return bitmap;
}
private Bitmap getChildDrawingCache(final View child) {
Bitmap bitmap = child.getDrawingCache();
if (bitmap == null) {
child.setDrawingCacheEnabled(true);
child.buildDrawingCache();
bitmap = child.getDrawingCache();
}
return bitmap;
}
private static Bitmap convertViewToBitmap(View view) {
// view.measure(View.MeasureSpec.makeMeasureSpec(0,
// View.MeasureSpec.UNSPECIFIED), View.MeasureSpec.makeMeasureSpec(0,
// View.MeasureSpec.UNSPECIFIED));
view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
view.setDrawingCacheEnabled(true);
// view.buildDrawingCache();
return view.getDrawingCache();
}
/**
* 从view 得到图片
*
* @param view
* @return
*/
public static Bitmap getBitmapFromView(View view) {
view.destroyDrawingCache();
view.measure(
View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
view.setDrawingCacheEnabled(true);
Bitmap bitmap = view.getDrawingCache(true);
return bitmap;
}
@Override
protected void setChildrenDrawingCacheEnabled(boolean enabled) {
final int count = getChildCount();
for (int i = 0; i < count; i++) {
final View view = getChildAt(i);
view.setDrawingCacheEnabled(enabled);
// Update the drawing caches
view.buildDrawingCache(true);
}
}
/**
* 获取当前屏幕截图，包含状态栏
*
* @param activity activity
* @return Bitmap
*/
public static Bitmap captureWithStatusBar(Activity activity) {
View view = activity.getWindow().getDecorView();
view.setDrawingCacheEnabled(true);
view.buildDrawingCache();
Bitmap bmp = view.getDrawingCache();
int width = getScreenWidth(activity);
int height = getScreenHeight(activity);
Bitmap bp = Bitmap.createBitmap(bmp, 0, 0, width, height);
view.destroyDrawingCache();
return bp;
}
public static void setActivity(Activity act) {
host = act;
ViewTools.setActivity(act);
View rootView = host.getWindow().getDecorView().getRootView();
rootView.setDrawingCacheEnabled(true);
rootView.buildDrawingCache();
// host.getWindow().getDecorView().getViewTreeObserver().addOnGlobalLayoutListener(new
// LayoutObserver());
}
public static com.amap.api.maps2d.model.BitmapDescriptor getBitmapFromViewGaode(View view) {
view.destroyDrawingCache();
view.measure(
View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
view.layout(0, 0, view.getMeasuredWidth(), view.getMeasuredHeight());
view.setDrawingCacheEnabled(true);
Bitmap bitmap = view.getDrawingCache(true);
com.amap.api.maps2d.model.BitmapDescriptor bd =
com.amap.api.maps2d.model.BitmapDescriptorFactory.fromBitmap(bitmap);
return bd;
}