本文整理汇总了Java中android.widget.Scroller.computeScrollOffset方法的典型用法代码示例。如果您正苦于以下问题：Java Scroller.computeScrollOffset方法的具体用法？Java Scroller.computeScrollOffset怎么用？Java Scroller.computeScrollOffset使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.widget.Scroller的用法示例。
在下文中一共展示了Scroller.computeScrollOffset方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: run
import android.widget.Scroller; //导入方法依赖的package包/类
@Override
public void run() {
final Scroller scroller = mScroller;
boolean animationNotFinished = scroller.computeScrollOffset();
final int y = scroller.getCurrY();
int delta = y - mLastFlingY;
trackMotion(delta);
if (animationNotFinished) {
mLastFlingY = y;
post(this);
} else {
endFling();
}
}
示例2: computeScroll
import android.widget.Scroller; //导入方法依赖的package包/类
@Override
public void computeScroll() {
Scroller scroller = mFlingScroller;
if (scroller.isFinished()) {
scroller = mAdjustScroller;
if (scroller.isFinished()) {
return;
}
}
scroller.computeScrollOffset();
int currentScrollerY = scroller.getCurrY();
if (mPreviousScrollerY == 0) {
mPreviousScrollerY = scroller.getStartY();
}
scrollBy(0, currentScrollerY - mPreviousScrollerY);
mPreviousScrollerY = currentScrollerY;
if (scroller.isFinished()) {
onScrollerFinished(scroller);
} else {
invalidate();
}
}
示例3: run
import android.widget.Scroller; //导入方法依赖的package包/类
public void run() {
switch (this.this$0.mTouchMode) {
case 4:
if (this.this$0.mItemCount == 0 || this.this$0.getChildCount() == 0) {
endFling();
return;
}
Scroller scroller = this.mScroller;
boolean more = scroller.computeScrollOffset();
int y = scroller.getCurrY();
int delta = this.mLastFlingY - y;
if (delta > 0) {
this.this$0.mMotionPosition = this.this$0.mFirstPosition;
this.this$0.mMotionViewOriginalTop = this.this$0.getScrollChildTop();
delta = Math.min(((this.this$0.getHeight() - this.this$0.getPaddingBottom())
- this.this$0.getPaddingTop()) - 1, delta);
} else {
int offsetToLast = this.this$0.getChildCount() - 1;
this.this$0.mMotionPosition = this.this$0.mFirstPosition + offsetToLast;
this.this$0.mMotionViewOriginalTop = this.this$0.getScrollChildBottom();
delta = Math.max(-(((this.this$0.getHeight() - this.this$0.getPaddingBottom()
) - this.this$0.getPaddingTop()) - 1), delta);
}
boolean atEnd = this.this$0.trackMotionScroll(delta, delta);
if (!more || atEnd) {
endFling();
return;
}
this.this$0.invalidate();
this.mLastFlingY = y;
this.this$0.post(this);
return;
default:
return;
}
}
示例4: run
import android.widget.Scroller; //导入方法依赖的package包/类
public void run() {
switch (mTouchMode) {
default:
return;
case TOUCH_MODE_FLING: {
if (mItemCount == 0 || getChildCount() == 0) {
endFling();
return;
}
final Scroller scroller = mScroller;
boolean more = scroller.computeScrollOffset();
final int y = scroller.getCurrY();
// Flip sign to convert finger direction to list items direction
// (e.g. finger moving down means list is moving towards the top)
int delta = mLastFlingY - y;
// Pretend that each frame of a fling scroll is a touch scroll
if (delta > 0) {
// List is moving towards the top. Use first view as mMotionPosition
mMotionPosition = mFirstPosition;
//final View firstView = getChildAt(0);
//mMotionViewOriginalTop = firstView.getTop();
mMotionViewOriginalTop = getScrollChildTop();
// Don't fling more than 1 screen
// delta = Math.min(getHeight() - mPaddingBottom - mPaddingTop - 1, delta);
delta = Math.min(getHeight() - getPaddingBottom() - getPaddingTop() - 1, delta);
} else {
// List is moving towards the bottom. Use last view as mMotionPosition
int offsetToLast = getChildCount() - 1;
mMotionPosition = mFirstPosition + offsetToLast;
//final View lastView = getChildAt(offsetToLast);
//mMotionViewOriginalTop = lastView.getTop();
mMotionViewOriginalTop = getScrollChildBottom();
// Don't fling more than 1 screen
// delta = Math.max(-(getHeight() - mPaddingBottom - mPaddingTop - 1), delta);
delta = Math.max(-(getHeight() - getPaddingBottom() - getPaddingTop() - 1), delta);
}
final boolean atEnd = trackMotionScroll(delta, delta);
if (more && !atEnd) {
invalidate();
mLastFlingY = y;
post(this);
} else {
endFling();
if (PROFILE_FLINGING) {
if (mFlingProfilingStarted) {
Debug.stopMethodTracing();
mFlingProfilingStarted = false;
}
}
}
break;
}
}
}