这是我的问题。我有一个 LinearLayout,它的 onTouch 事件具有 clickable=true ,因此当触摸 LinearLayout 时,它会向上滑动屏幕。这可行,但之后当从新位置触发 onTouch 事件时,什么也没有发生。
脚步:
- 我触摸了 LinearLayout,它按原样向上移动。
- 我再次触摸它,没有任何反应
- 我触摸了 LinearLayout 最初所在的屏幕部分,LinearLayout 将按应有的方式切换。
看起来好像视图已移动到新位置,但实际上并没有。
下面是我的 xml 和代码。
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/julyContainer"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<RelativeLayout android:id="@+id/rel01"/>
<ImageView />
</RelativeLayout>
<ImageView
android:id="@+id/shadow"
android:paddingTop="6dip"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/header_barshadow"/>
<ScrollView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:background="@drawable/bg_calendar"
android:id="@+id/calScroller">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<LinearLayout android:id="@+id/circleLayout"
android:orientation="horizontal"
android:clickable="true"
android:onClick="@string/circleAction"
android:paddingTop="10dip"
android:paddingLeft="10dip"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<Button
android:id="@+id/circleCal"
android:background="@drawable/cal_circle_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="@string/circleAction"/>
<LinearLayout
android:id="@+id/circleLayout01"
android:orientation="vertical"
android:paddingLeft="10dip"
android:paddingRight="3dip"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView/>
<TextView/>
<TextView/>
<LinearLayout android:id="@+id/julylayout2"
android:layout_width="match_parent"
android:layout_height="0dp"
android:orientation="vertical">
<TextView/>
</LinearLayout>
</LinearLayout>
</LinearLayout>
<ImageView android:id="@+id/etch1"
android:src="@drawable/etch_calendar"
android:paddingTop="15dip"
android:paddingBottom="15dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/circleLayout"/>
<LinearLayout android:id="@+id/squareLayout"
android:clickable="true"
android:onClick="@string/squareAction"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingLeft="10dip"
android:layout_below="@id/etch1">
<Button
android:id="@+id/squareCal"
android:background="@drawable/cal_square_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="@string/squareAction"/>
<LinearLayout
android:orientation="vertical"
android:paddingLeft="10dip"
android:paddingRight="3dip"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView/>
<TextView/>
<TextView/>
<LinearLayout android:id="@+id/layout3"
android:layout_width="match_parent"
android:layout_height="0dp"
android:orientation="vertical">
<TextView/>
</LinearLayout>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
</ScrollView>
</LinearLayout>
代码:
private void slideUp(View view) {
Animation slide = new TranslateAnimation(
Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF,
0.0f, Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, -0.25f);
slide.setDuration(1000);
slide.setFillAfter(true);
slide.setFillEnabled(true);
view.startAnimation(slide);
}
private void slideDown(View view) {
Animation slide = new TranslateAnimation(
Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF,
0.0f, Animation.RELATIVE_TO_SELF, -0.25f, Animation.RELATIVE_TO_SELF, 0.0f);
slide.setDuration(1000);
slide.setFillAfter(true);
slide.setFillEnabled(true);
view.startAnimation(slide);
}
新变化:新职位的输出
07-05 13:20:22.084: I/System.out(15187): onAnimationStart 0 , 120
07-05 13:20:23.053: I/System.out(15187): onAnimationEnd 0 , 120
private void slideUp(final View view) {
Animation slide = new TranslateAnimation(
Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF,
0.0f, Animation.RELATIVE_TO_SELF, 0.0f, Animation.RELATIVE_TO_SELF, -0.75f);
slide.setDuration(1000);
slide.setFillAfter(true);
slide.setFillEnabled(true);
view.startAnimation(slide);
slide.setAnimationListener(new AnimationListener() {
@Override
public void onAnimationStart(Animation animation) {
int[] startPosition = new int[2];
view.getLocationOnScreen(startPosition);
System.out.println("onAnimationStart " + startPosition[0] + " , " + startPosition[1]);
}
@Override
public void onAnimationRepeat(Animation animation) {
}
@Override
public void onAnimationEnd(Animation animation) {
final int left = view.getLeft();
final int top = view.getTop();
final int right = view.getRight();
final int bottom = view.getBottom();
int offset = (int) 0.75;
view.layout(left, top + offset * top, right, bottom + offset * bottom);
int[] endPosition = new int[2];
view.getLocationOnScreen(endPosition);
System.out.println("onAnimationEnd " + endPosition[0] + " , " + endPosition[1]);
}
});
}