下面列出了android.view.DragEvent#getLocalState ( ) 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。
@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;
}
@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;
}
@Override
public boolean onDrag(View v, DragEvent event) {
switch(event.getAction()) {
case DragEvent.ACTION_DRAG_STARTED:
default:
// do nothing
break;
case DragEvent.ACTION_DRAG_ENTERED:
FrameLayout container = (FrameLayout) v;
if(container.getChildCount() == 0
|| startDragIndex == desktopIcons.indexOfChild(container)) {
v.setBackgroundColor(U.getAccentColor(HomeActivityDelegate.this));
v.setAlpha(0.5f);
}
break;
case DragEvent.ACTION_DRAG_ENDED:
View view = (View) event.getLocalState();
view.setVisibility(View.VISIBLE);
// fall through
case DragEvent.ACTION_DRAG_EXITED:
v.setBackground(null);
v.setAlpha(1);
break;
case DragEvent.ACTION_DROP:
FrameLayout container2 = (FrameLayout) v;
if(container2.getChildCount() == 0) {
// Dropped, reassign View to ViewGroup
View view2 = (View) event.getLocalState();
ViewGroup owner = (ViewGroup) view2.getParent();
owner.removeView(view2);
container2.addView(view2);
endDragIndex = desktopIcons.indexOfChild(container2);
reassignDroppedIcon();
}
break;
}
return true;
}
@Override
public boolean onDrag(View v, DragEvent event) {
View view = (View) event.getLocalState();
// ViewGroup owner = (ViewGroup) view.getParent();
// LinearLayout container = (LinearLayout) v;
switch (event.getAction()) {
case DragEvent.ACTION_DRAG_STARTED:
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
ViewGroup left = (ViewGroup)findViewById(R.id.leftbox);
ViewGroup right = (ViewGroup)findViewById(R.id.rightbox);
if (right == v){
left.removeView(view);
right.addView(view);
view.setVisibility(View.VISIBLE);
// Once the user drags the SOOMBOT to the empty box, we open the store.
openStore();
}
break;
case DragEvent.ACTION_DRAG_ENDED:
view.setVisibility(View.VISIBLE);
v.setBackgroundDrawable(normalShape);
default:
break;
}
return true;
}
@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;
}
private void processDrop(DragEvent event) {
final ClipData data = event.getClipData();
final int N = data.getItemCount();
for (int i = 0; i < N; i++) {
ClipData.Item item = data.getItemAt(i);
Log.i(TAG, "Dropped item " + i + " : " + item);
if (mReportView != null) {
String text = item.coerceToText(getContext()).toString();
if (event.getLocalState() == (Object) this) {
text += " : Dropped on self!";
}
mReportView.setText(text);
}
}
}
@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;
}
@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;
}
@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;
}
@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;
}
/**
* @param pipeView PipeView
* @param event DragEvent
*/
private void cleanup(final PipeView pipeView, final DragEvent event)
{
//remove view from owner
ComponentView componentView = (ComponentView) event.getLocalState();
Result result = Result.NOTHING;
try
{
result = handleCollision(pipeView, componentView);
} finally
{
//remove recycle bin
ViewParent viewParent = recycleBin.getParent();
if (viewParent != null && viewParent instanceof ViewGroup)
{
((ViewGroup) viewParent).removeView(recycleBin);
}
recycleBin.invalidate();
recycleBin = null;
componentView.invalidate();
switch (result)
{
case NOTHING:
break;
case PLACED:
pipeView.placeElements();
break;
case CONNECTED:
pipeView.createElements();
pipeView.placeElements();
break;
case DELETED:
pipeView.createElements();
pipeView.placeElements();
//inform listeners after delay to avoid null pointer exception on tab deletion
Handler handler = new Handler(Looper.getMainLooper());
Runnable runnable = new Runnable()
{
public void run()
{
pipeView.informListeners();
}
};
handler.postDelayed(runnable, 50);
break;
default:
break;
}
}
}
/**
* @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;
}