android.view.DragEvent#getAction ( )源码实例Demo

下面列出了android.view.DragEvent#getAction ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： PlusDemo 文件： DragListenerGridView.java

@Override
public boolean onDrag(View v, DragEvent event) {
    switch (event.getAction()) {
        case DragEvent.ACTION_DRAG_STARTED:
            if (event.getLocalState() == v) {
                v.setVisibility(INVISIBLE);
            }
            break;
        case DragEvent.ACTION_DRAG_ENTERED:
            System.out.println("draggg");
            if (event.getLocalState() != v) {
                sort(v);
            }
            break;
        case DragEvent.ACTION_DRAG_EXITED:
            break;
        case DragEvent.ACTION_DRAG_ENDED:
            v.setVisibility(VISIBLE);
            break;
    }
    return true;
}

源代码2 项目： LaunchEnr 文件： PinItemDragListener.java

@Override
public boolean onDrag(View view, DragEvent event) {
    if (mLauncher == null || mDragController == null) {
        postCleanup();
        return false;
    }
    if (event.getAction() == DragEvent.ACTION_DRAG_STARTED) {
        if (onDragStart(event)) {
            return true;
        } else {
            postCleanup();
            return false;
        }
    }
    return mDragController.onDragEvent(mDragStartTime, event);
}

源代码3 项目： RecyclerViewExtensions 文件： DragDropTouchDragListener.java

@Override
public boolean onDrag(View view, DragEvent event) {
    switch (event.getAction()) {
        case DragEvent.ACTION_DRAG_STARTED:
            intercept = false;
            startTime = SystemClock.uptimeMillis();
            dispatchTouchEvent(view, MotionEvent.ACTION_DOWN, event.getX(), event.getY());
            // Return true to receive further events.
            return true;

        case DragEvent.ACTION_DRAG_LOCATION:
            dispatchTouchEvent(view, MotionEvent.ACTION_MOVE, event.getX(), event.getY());
            return false;

        case DragEvent.ACTION_DRAG_ENDED:
            dispatchTouchEvent(view, MotionEvent.ACTION_UP, event.getX(), event.getY());
            return false;

        default:
            return false;
    }
}

源代码4 项目： talk-android 文件： TextChipsEditView.java

/**
 * Handles drag event.
 */
@Override
public boolean onDragEvent(DragEvent event) {
    switch (event.getAction()) {
        case DragEvent.ACTION_DRAG_STARTED:
            // Only handle plain text drag and drop.
            return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN);
        case DragEvent.ACTION_DRAG_ENTERED:
            requestFocus();
            return true;
        case DragEvent.ACTION_DROP:
            handlePasteClip(event.getClipData());
            return true;
    }
    return false;
}

源代码5 项目： DistroHopper 文件： LauncherDragListener.java

@Override
public boolean onDrag (View view, DragEvent event)
{
	try
	{
		switch (event.getAction ())
		{
			case DragEvent.ACTION_DRAG_ENTERED:
				this.appManager.startedDraggingPinnedApp ();
				break;
			case DragEvent.ACTION_DROP:
			case DragEvent.ACTION_DRAG_EXITED:
				this.appManager.stoppedDraggingPinnedApp ();
				break;
		}
	}
	catch (Exception ex)
	{
		ExceptionHandler exh = new ExceptionHandler (ex);
		exh.show (this.appManager.getContext ());
	}

	return true;
}

源代码6 项目： Yahala-Messenger 文件： PasswordButton.java

@Override
public boolean onDragEvent(DragEvent event) {
    PasswordStateObject state = (PasswordStateObject) event.getLocalState();
    if (event.getAction() == DragEvent.ACTION_DRAG_LOCATION) {
        if (!state.toString().contains((String) getTag())) {
            state.append((String) getTag());
            ((PasswordListener) getParent()).onPasswordButtonTouched(this);
            setBackgroundResource(R.drawable.loginbuttonpressed);
        }
    }
    if (event.getAction() == DragEvent.ACTION_DRAG_ENDED)
        if (state != null) {
            state.passwordComplete();
        }
    return true;
}

源代码7 项目： Yahala-Messenger 文件： PasswordGrid.java

@Override
public boolean onDragEvent(DragEvent event) {
    if (event.getAction() == DragEvent.ACTION_DRAG_LOCATION) {
        Point p = new Point((int) event.getX(), (int) event.getY());
        if (!roaming) {
            roaming = true;
            points.add(p);
        } else {
            try {
                points.set(points.size() - 1, p);
            } catch (Exception e) {
                Reset();
                FileLog.e("Yahala", e);
            }
        }
        invalidate();
    }
    return true;
}

源代码8 项目： AndroidChromium 文件： CompositorViewHolder.java

@Override
public boolean dispatchDragEvent(DragEvent e) {
    ContentViewCore contentViewCore = mTabVisible.getContentViewCore();
    if (contentViewCore == null) return false;

    if (mLayoutManager != null) mLayoutManager.getViewportPixel(mCacheViewport);
    contentViewCore.setCurrentTouchEventOffsets(-mCacheViewport.left, -mCacheViewport.top);
    boolean ret = super.dispatchDragEvent(e);

    int action = e.getAction();
    if (action == DragEvent.ACTION_DRAG_EXITED || action == DragEvent.ACTION_DRAG_ENDED
            || action == DragEvent.ACTION_DROP) {
        contentViewCore.setCurrentTouchEventOffsets(0.f, 0.f);
    }
    return ret;
}

源代码9 项目： 365browser 文件： CompositorViewHolder.java

@Override
public boolean dispatchDragEvent(DragEvent e) {
    ContentViewCore contentViewCore = mTabVisible.getContentViewCore();
    if (contentViewCore == null) return false;

    if (mLayoutManager != null) mLayoutManager.getViewportPixel(mCacheViewport);
    contentViewCore.setCurrentTouchEventOffsets(-mCacheViewport.left, -mCacheViewport.top);
    boolean ret = super.dispatchDragEvent(e);

    int action = e.getAction();
    if (action == DragEvent.ACTION_DRAG_EXITED || action == DragEvent.ACTION_DRAG_ENDED
            || action == DragEvent.ACTION_DROP) {
        contentViewCore.setCurrentTouchEventOffsets(0.f, 0.f);
    }
    return ret;
}

源代码10 项目： codeexamples-android 文件： DragActivity.java

@Override
public boolean onDrag(View v, DragEvent event) {
	switch (event.getAction()) {
	case DragEvent.ACTION_DRAG_STARTED:
		// Do nothing
		break;
	case DragEvent.ACTION_DRAG_ENTERED:
		v.setBackground(enterShape);
		break;
	case DragEvent.ACTION_DRAG_EXITED:
		v.setBackground(normalShape);
		break;
	case DragEvent.ACTION_DROP:
		// view dropped, reassign the view to the new ViewGroup
		View view = (View) event.getLocalState();
		ViewGroup owner = (ViewGroup) view.getParent();
		owner.removeView(view);
		LinearLayout container = (LinearLayout) v;
		container.addView(view);
		view.setVisibility(View.VISIBLE);
		break;
	case DragEvent.ACTION_DRAG_ENDED:
		v.setBackground(normalShape);
	default:
		break;
	}
	return true;
}

源代码11 项目： user-interface-samples 文件： ImageDragListener.java

@Override
public boolean onDrag(View view, DragEvent event) {
    switch (event.getAction()) {
        case DragEvent.ACTION_DRAG_STARTED:
            setTargetColor(view, COLOR_ACTIVE);
            return true;

        case DragEvent.ACTION_DRAG_ENTERED:
            setTargetColor(view, COLOR_HOVER);
            return true;

        case DragEvent.ACTION_DRAG_LOCATION:
            processLocation(event.getX(), event.getY());
            return true;

        case DragEvent.ACTION_DRAG_EXITED:
            setTargetColor(view, COLOR_ACTIVE);
            return true;

        case DragEvent.ACTION_DROP:
            return processDrop(view, event);

        case DragEvent.ACTION_DRAG_ENDED:
            setTargetColor(view, COLOR_INACTIVE);
            return true;

        default:
            break;
    }

    return false;
}

源代码12 项目： PlusDemo 文件： DragToCollectLayout.java

@Override
public boolean onDrag(View v, DragEvent event) {
    switch (event.getAction()) {
        case DragEvent.ACTION_DROP:
            if (v instanceof LinearLayout) {
                LinearLayout layout = (LinearLayout) v;
                TextView textView = new TextView(getContext());
                textView.setTextSize(16);
                textView.setText(event.getClipData().getItemAt(0).getText());
                layout.addView(textView);
            }
            break;
    }
    return true;
}

源代码13 项目： codeexamples-android 文件： DragActivity.java

@Override
public boolean onDrag(View v, DragEvent event) {
	int action = event.getAction();
	switch (event.getAction()) {
	case DragEvent.ACTION_DRAG_STARTED:
		// Do nothing
		break;
	case DragEvent.ACTION_DRAG_ENTERED:
		v.setBackgroundDrawable(enterShape);
		break;
	case DragEvent.ACTION_DRAG_EXITED:
		v.setBackgroundDrawable(normalShape);
		break;
	case DragEvent.ACTION_DROP:
		// Dropped, reassign View to ViewGroup
		View view = (View) event.getLocalState();
		ViewGroup owner = (ViewGroup) view.getParent();
		// TODO 1 removeView from owner
		// TODO 2 add to v which is a LinearLayout
		// TODO 3 set view to View.Visible
		
		break;
	case DragEvent.ACTION_DRAG_ENDED:
		v.setBackgroundDrawable(normalShape);
	default:
		break;
	}
	return true;
}

源代码14 项目： android-DragAndDropAcrossApps 文件： ImageDragListener.java

@Override
public boolean onDrag(View view, DragEvent event) {
    // Change the color of the target for all events.
    // For the drop action, set the view to the dropped image.
    switch (event.getAction()) {
        case DragEvent.ACTION_DRAG_STARTED:
            setTargetColor(view, COLOR_ACTIVE);
            return true;

        case DragEvent.ACTION_DRAG_ENTERED:
            setTargetColor(view, COLOR_HOVER);
            return true;

        case DragEvent.ACTION_DRAG_LOCATION:
            processLocation(event.getX(), event.getY());
            return true;

        case DragEvent.ACTION_DRAG_EXITED:
            setTargetColor(view, COLOR_ACTIVE);
            return true;

        case DragEvent.ACTION_DROP:
            return processDrop(view, event);

        case DragEvent.ACTION_DRAG_ENDED:
            setTargetColor(view, COLOR_INACTIVE);
            return true;

        default:
            break;
    }

    return false;
}

源代码15 项目： android-DragAndDropAcrossApps 文件： ImageDragListener.java

@Override
public boolean onDrag(View view, DragEvent event) {
    switch (event.getAction()) {
        case DragEvent.ACTION_DRAG_STARTED:
            setTargetColor(view, COLOR_ACTIVE);
            return true;

        case DragEvent.ACTION_DRAG_ENTERED:
            setTargetColor(view, COLOR_HOVER);
            return true;

        case DragEvent.ACTION_DRAG_LOCATION:
            processLocation(event.getX(), event.getY());
            return true;

        case DragEvent.ACTION_DRAG_EXITED:
            setTargetColor(view, COLOR_ACTIVE);
            return true;

        case DragEvent.ACTION_DROP:
            return processDrop(view, event);

        case DragEvent.ACTION_DRAG_ENDED:
            setTargetColor(view, COLOR_INACTIVE);
            return true;

        default:
            break;
    }

    return false;
}

源代码16 项目： DistroHopper 文件： AppLauncherDragListener.java

@Override
public boolean onDrag (View view, DragEvent event)
{
	try
	{
		AppLauncher appLauncher = (AppLauncher) view;
		App app = appLauncher.getApp ();

		switch (event.getAction ())
		{
			case DragEvent.ACTION_DRAG_ENTERED:
				appLauncher.animate ().setStartDelay (0).setDuration (120).alpha (0.2F);
				break;
			case DragEvent.ACTION_DROP: // Falls through //
				int oldIndex = Integer.parseInt (event.getClipData ().getDescription ().getLabel ().toString ());
				int newIndex = this.appManager.indexOfPinned (app);

				this.appManager.movePinnedApp (oldIndex, newIndex);
				this.appManager.refreshPinnedView ();

				this.appManager.savePinnedApps ();
			case DragEvent.ACTION_DRAG_ENDED: // Falls through //
				this.appManager.stoppedDraggingPinnedApp ();
			case DragEvent.ACTION_DRAG_EXITED:
				if (Build.VERSION.SDK_INT >= 14)
					appLauncher.animate ().setStartDelay (0).setDuration (120).alpha (0.9F);
				else
					appLauncher.setAlpha (0.9F);
				break;
		}
	}
	catch (Exception ex)
	{
		ExceptionHandler exh = new ExceptionHandler (ex);
		exh.show (this.appManager.getContext ());
	}

	return true;
}

源代码17 项目： 365browser 文件： ContentViewCore.java

/**
 * @see View#onDragEvent(DragEvent)
 */
@TargetApi(Build.VERSION_CODES.N)
public boolean onDragEvent(DragEvent event) {
    if (mNativeContentViewCore == 0 || Build.VERSION.SDK_INT <= Build.VERSION_CODES.M) {
        return false;
    }

    ClipDescription clipDescription = event.getClipDescription();

    // text/* will match text/uri-list, text/html, text/plain.
    String[] mimeTypes =
            clipDescription == null ? new String[0] : clipDescription.filterMimeTypes("text/*");

    if (event.getAction() == DragEvent.ACTION_DRAG_STARTED) {
        // TODO(hush): support dragging more than just text.
        return mimeTypes != null && mimeTypes.length > 0
                && nativeIsTouchDragDropEnabled(mNativeContentViewCore);
    }

    StringBuilder content = new StringBuilder("");
    if (event.getAction() == DragEvent.ACTION_DROP) {
        // TODO(hush): obtain dragdrop permissions, when dragging files into Chrome/WebView is
        // supported. Not necessary to do so for now, because only text dragging is supported.
        ClipData clipData = event.getClipData();
        final int itemCount = clipData.getItemCount();
        for (int i = 0; i < itemCount; i++) {
            ClipData.Item item = clipData.getItemAt(i);
            content.append(item.coerceToStyledText(mContainerView.getContext()));
        }
    }

    int[] locationOnScreen = new int[2];
    mContainerView.getLocationOnScreen(locationOnScreen);

    float xPix = event.getX() + mCurrentTouchOffsetX;
    float yPix = event.getY() + mCurrentTouchOffsetY;

    int xCss = (int) mRenderCoordinates.fromPixToDip(xPix);
    int yCss = (int) mRenderCoordinates.fromPixToDip(yPix);
    int screenXCss = (int) mRenderCoordinates.fromPixToDip(xPix + locationOnScreen[0]);
    int screenYCss = (int) mRenderCoordinates.fromPixToDip(yPix + locationOnScreen[1]);

    nativeOnDragEvent(mNativeContentViewCore, event.getAction(), xCss, yCss, screenXCss,
            screenYCss, mimeTypes, content.toString());
    return true;
}

源代码18 项目： Android_UE 文件： ViewDragListenerView.java

@Override
    public boolean onDrag(View view, DragEvent dragEvent) {
        switch (dragEvent.getAction()) {
            case DragEvent.ACTION_DRAG_STARTED:
                if (dragEvent.getLocalState() == view) {
                    view.setVisibility(View.INVISIBLE);
                }
                // 开始拖拽
                Log.e(TAG, "开始拖拽");
                break;
            case DragEvent.ACTION_DRAG_LOCATION:
                // 主要是感觉是在拖动中就会回调
//                Log.e(TAG, "主要是感觉是在拖动中就会回调");
                break;
            case DragEvent.ACTION_DROP:
                // 向用户已释放拖动阴影的视图发出信号，拖动点位于视图的边界框内，而不在可接受数据的后代视图中。
                Log.e(TAG, "向用户已释放拖动阴影的视图发出信号，拖动点位于视图的边界框内，而不在可接受数据的后代视图中。");
                break;
            case DragEvent.ACTION_DRAG_ENDED:
                // 拖拽已结束
                Log.e(TAG, "拖拽已结束");
                if (dragEvent.getLocalState() == view) {
                    view.setVisibility(View.VISIBLE);
                }
                break;
            case DragEvent.ACTION_DRAG_ENTERED:
                // 拖拽的View已经到了其他View的范围，判断点为手指触摸的位置
                if (dragEvent.getLocalState() != view) {
                    // 每个View都会收到的，所以要排除掉自己
                    sortView(view);
                    Log.e(TAG, "拖拽的View已经到了其他View的范围");

                }
                break;
            case DragEvent.ACTION_DRAG_EXITED:
                // 移出了当前View的范围，判断点为手指触摸的位置
                Log.e(TAG, "移出了当前View的范围");
                break;
        }
        return true;
    }

源代码19 项目： ssj 文件： FeedbackCollectionOnDragListener.java

@Override
public boolean onDrag(final View v, DragEvent event)
{
	if (event.getLocalState() instanceof FeedbackComponentView)
	{
		final FeedbackComponentView feedbackComponentView = ((FeedbackComponentView) event.getLocalState());

		switch (event.getAction())
		{
			case ACTION_DRAG_STARTED:
				feedbackCollectionActivity.showDragIcons(feedbackComponentView.getWidth(), feedbackComponentView.getHeight());
				break;
			case ACTION_DROP:
				if (v instanceof FeedbackLevelLayout)
				{
					((FeedbackLevelLayout) v).addGridComponent(feedbackComponentView);
				}
				else if (v.equals(feedbackCollectionActivity.getRecycleBin()))
				{
					feedbackComponentView.post(new Runnable()
					{
						@Override
						public void run()
						{
							((ViewGroup) feedbackComponentView.getParent()).removeView(feedbackComponentView);
							feedbackCollectionActivity.requestReorder();
						}
					});
					PipelineBuilder.getInstance().remove(
							feedbackComponentView.getFeedbackLevelBehaviourEntry().getKey()
					);
				}
				break;
			case ACTION_DRAG_ENDED:
				// Set currently draged to false no matter where the drag ended, to force normal painting.
				feedbackComponentView.setCurrentlyDraged(false);
				feedbackCollectionActivity.hideDragIcons();
				break;
		}
		return true;
	}
	return false;
}

源代码20 项目： ssj 文件： PipeOnDragListener.java

/**
     * @param v     View
     * @param event DragEvent
     * @return boolean
     */
    @Override
    public boolean onDrag(final View v, final DragEvent event)
    {
        if (v instanceof PipeView)
        {
            final PipeView pipeView = (PipeView) v;
            switch (event.getAction())
            {
                case DragEvent.ACTION_DRAG_STARTED:
                {
                    //init values
                    xCoord = 0;
                    yCoord = 0;
                    dropped = false;
                    createRecycleBin(pipeView);
                    break;
                }
                case DragEvent.ACTION_DRAG_ENTERED:
                    break;
                case DragEvent.ACTION_DRAG_EXITED:
                    break;
                case DragEvent.ACTION_DROP:
                    //update drop location
                    xCoord = event.getX();
                    yCoord = event.getY();
                    dropped = true;
                    ComponentView view = (ComponentView) event.getLocalState();
                    pipeView.getGrid().setGridValue(view.getGridX(), view.getGridY(), false);
                    break;
                case DragEvent.ACTION_DRAG_ENDED:
                    cleanup(pipeView, event);
                    break;
                case DragEvent.ACTION_DRAG_LOCATION:
                {
//                    //@todo add scroll behaviour to drag and drop
//                    HorizontalScrollView horizontalScrollView = (HorizontalScrollView) pipeView.getParent();
//                    if (horizontalScrollView != null)
//                    {
//                        ScrollView scrollView = (ScrollView) horizontalScrollView.getParent();
//                        if (scrollView != null)
//                        {
//                            //way one
//                            int y = Math.round(event.getY());
//                            int translatedY = y - scrollView.getScrollY();
//                            int threshold = 50;
//                            // make a scrolling up due the y has passed the threshold
//                            if (translatedY < threshold) {
//                                // make a scroll up by 30 px
//                                scrollView.smoothScrollBy(0, -30);
//                            }
//                            // make a autoscrolling down due y has passed the 500 px border
//                            if (translatedY + threshold > 500) {
//                                // make a scroll down by 30 px
//                                scrollView.smoothScrollBy(0, 30);
//                            }
//                            //way two
//                            int topOfDropZone = pipeView.getTop();
//                            int bottomOfDropZone = pipeView.getBottom();
//                            int scrollY = scrollView.getScrollY();
//                            int scrollViewHeight = scrollView.getMeasuredHeight();
//                            Log.d("location: Scroll Y: " + scrollY + " Scroll Y+Height: " + (scrollY + scrollViewHeight));
//                            Log.d(" top: " + topOfDropZone + " bottom: " + bottomOfDropZone);
//                            if (bottomOfDropZone > (scrollY + scrollViewHeight - 100))
//                            {
//                                scrollView.smoothScrollBy(0, 30);
//                            }
//                            if (topOfDropZone < (scrollY + 100))
//                            {
//                                scrollView.smoothScrollBy(0, -30);
//                            }
//                        }
//                    }
                    break;
                }
                default:
                    break;
            }
            return true;
        }
        return false;
    }

方法所在类

android.view.DragEvent