2015-3-11

PullDownListView/src/com/pulldownlistview/MainActivity.java

@@ -46,7 +46,15 @@ public void onTopHeightChange(int headerHeight,
 					int pullHeight) {
 				// TODO Auto-generated method stub
 				float progress = (float) pullHeight
-						/ (float) headerHeight - 0.2f;
+						/ (float) headerHeight;
+
+				if(progress<0.5){
+					progress = 0.0f;
+				}else{
+					progress = (progress-0.5f)/0.5f;
+				}
+
+
 				if (progress > 1.0f) {
 					progress = 1.0f;
 				}
@@ -61,10 +69,18 @@ public void onBottomHeightChange(int footerHeight,
 					int pullHeight) {
 				// TODO Auto-generated method stub
 				float progress = (float) pullHeight
-						/ (float) footerHeight - 0.2f;
+						/ (float) footerHeight;
+
+				if(progress<0.5){
+					progress = 0.0f;
+				}else{
+					progress = (progress-0.5f)/0.5f;
+				}
+
 				if (progress > 1.0f) {
 					progress = 1.0f;
 				}
+
 				if (!pullDownListView.isRefreshing()) {
 					progressView.setProgress(progress);
 				}
@@ -136,12 +152,13 @@ public long getItemId(int position) {
 		public View getView(int position, View convertView, ViewGroup parent) {
 			// TODO Auto-generated method stub
 			TextView textView = new TextView(mContext);
-			textView.setLayoutParams(new AbsListView.LayoutParams(LayoutParams.MATCH_PARENT,dp2px(mContext,60)));
+			textView.setLayoutParams(new AbsListView.LayoutParams(LayoutParams.MATCH_PARENT,dp2px(mContext,50)));
 			textView.setText(adapterData[position]);
 			textView.setTextSize(20);
 			textView.setTextColor(0xff000000);
 			textView.setGravity(Gravity.LEFT|Gravity.CENTER_VERTICAL);
 			textView.setPadding(50, 0, 0, 0);
+
 			return textView;
 		}
 

PullDownListView/src/com/pulldownlistview/PullDownListView.java

@@ -76,14 +76,18 @@ public boolean onTouchEvent(MotionEvent ev) {
 
 				int step = Math.abs(currentY - lastY);
 				lastY = currentY;
-
+				
 				if (isTop && mListView.getTop() >= 0) {
 
 					if (isToBottom && mListView.getTop() <= MAX_PULL_TOP_HEIGHT) {
 						MotionEvent event = MotionEvent.obtain(ev);
 						ev.setAction(MotionEvent.ACTION_UP);
 						super.onTouchEvent(ev);
 						pullTag = true;
+
+						if(mListView.getTop()>layoutHeader.getHeight()){
+							step = step/2;
+						}
 						if ((mListView.getTop() + step) > MAX_PULL_TOP_HEIGHT) {
 							mCurrentY = MAX_PULL_TOP_HEIGHT;
 							scrollTopTo(mCurrentY);
@@ -117,6 +121,10 @@ public boolean onTouchEvent(MotionEvent ev) {
 						ev.setAction(MotionEvent.ACTION_UP);
 						super.onTouchEvent(ev);
 						pullTag = true;
+						if(parent.getHeight()-mListView.getBottom()>layoutFooter.getHeight()){
+							step = step/2;
+						}
+
 						if ((mListView.getBottom() - step) < (parent.getHeight()-MAX_PULL_BOTTOM_HEIGHT)) {
 							mCurrentY = -MAX_PULL_BOTTOM_HEIGHT;
 							scrollBottomTo(mCurrentY);
@@ -242,9 +250,8 @@ public void onMeasure(int widthMeasureSpec,int heightMeasureSpec){
 		REFRESHING_TOP_HEIGHT = layoutHeader.getMeasuredHeight();
 		REFRESHING_BOTTOM_HEIGHT = layoutFooter.getMeasuredHeight();
 
-		int value = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 38,this.getResources().getDisplayMetrics());
-		MAX_PULL_TOP_HEIGHT = REFRESHING_TOP_HEIGHT + value;
-		MAX_PULL_BOTTOM_HEIGHT = REFRESHING_BOTTOM_HEIGHT + value;
+		MAX_PULL_TOP_HEIGHT = this.getMeasuredHeight();
+		MAX_PULL_BOTTOM_HEIGHT = this.getMeasuredHeight();
 	}
 
 	@Override