Android浮动活动,刷卡时关闭
最新的Facebook android应用程序有一个非常漂亮的浮动评论窗口。在那里,用户可以取消向上或向下滑动窗口,使其真正易于使用 我想在我的应用程序中实现类似的行为,但我不知道如何实现。任何关于如何做到这一点的想法或线索都将非常感激 Facebook应用程序的屏幕截图Android浮动活动,刷卡时关闭,android,android-layout,android-activity,Android,Android Layout,Android Activity,最新的Facebook android应用程序有一个非常漂亮的浮动评论窗口。在那里,用户可以取消向上或向下滑动窗口,使其真正易于使用 我想在我的应用程序中实现类似的行为,但我不知道如何实现。任何关于如何做到这一点的想法或线索都将非常感激 Facebook应用程序的屏幕截图 (对不起,我截图的Facebook应用程序是日语的) 我编写了一些与这种关闭/调整大小行为相匹配的代码,我不知道这是否可行,但我的代码基于活动类。我要做的第一件事是创建一个活动,并赋予它透明的主题,以获得一个背景透明的活动 在
(对不起,我截图的Facebook应用程序是日语的)
我编写了一些与这种关闭/调整大小行为相匹配的代码,我不知道这是否可行,但我的代码基于活动类。我要做的第一件事是创建一个活动,并赋予它透明的主题,以获得一个背景透明的活动 在my manifest.xml中:
<activity
android:name=".PopupActivity"
android:label="@string/title_activity_popup"
<!-- Use Translucent theme to get transparent activity background
and NoTitleBar to avoid super old style title bar ;) -->
android:theme="@android:style/Theme.Translucent.NoTitleBar">
</activity>
使用所有这些代码,您应该能够启动全局匹配Facebook弹出行为的弹出活动。这只是一个草稿类,还有很多工作要做:添加动画、关闭参数等等
屏幕截图:
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/base_popup_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="8dp"
android:background="@android:color/darker_gray"
android:layout_marginBottom="124dp">
<TextView
android:text="@string/hello_world"
android:layout_width="match_parent"
android:layout_height="200dp"
android:background="@android:color/black"/>
<View
android:layout_width="match_parent"
android:layout_height="80dp"
android:layout_alignParentBottom="true"
android:background="@android:color/holo_blue_dark"/>
</RelativeLayout>
我认为您可以使用appcompat库中的BottomSheetDialogFragment组件。有关信息,请参阅本文: 您还可以从以下网站获得有用的信息:
.我更新了答案,只截图了几张;)感谢您的详细回复!回答很好,但如果视图有滚动,它就不起作用了property@Shah需要时禁用滚动swap@Gaëtan Maisse如何禁用左右滑动callsany滚动布局解决方案,例如:recyclerview?
public class PopupActivity extends Activity implements View.OnTouchListener{
private RelativeLayout baseLayout;
private int previousFingerPosition = 0;
private int baseLayoutPosition = 0;
private int defaultViewHeight;
private boolean isClosing = false;
private boolean isScrollingUp = false;
private boolean isScrollingDown = false;
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_popup);
baseLayout = (RelativeLayout) findViewById(R.id.base_popup_layout);
baseLayout.setOnTouchListener(this);
}
public boolean onTouch(View view, MotionEvent event) {
// Get finger position on screen
final int Y = (int) event.getRawY();
// Switch on motion event type
switch (event.getAction() & MotionEvent.ACTION_MASK) {
case MotionEvent.ACTION_DOWN:
// save default base layout height
defaultViewHeight = baseLayout.getHeight();
// Init finger and view position
previousFingerPosition = Y;
baseLayoutPosition = (int) baseLayout.getY();
break;
case MotionEvent.ACTION_UP:
// If user was doing a scroll up
if(isScrollingUp){
// Reset baselayout position
baseLayout.setY(0);
// We are not in scrolling up mode anymore
isScrollingUp = false;
}
// If user was doing a scroll down
if(isScrollingDown){
// Reset baselayout position
baseLayout.setY(0);
// Reset base layout size
baseLayout.getLayoutParams().height = defaultViewHeight;
baseLayout.requestLayout();
// We are not in scrolling down mode anymore
isScrollingDown = false;
}
break;
case MotionEvent.ACTION_MOVE:
if(!isClosing){
int currentYPosition = (int) baseLayout.getY();
// If we scroll up
if(previousFingerPosition >Y){
// First time android rise an event for "up" move
if(!isScrollingUp){
isScrollingUp = true;
}
// Has user scroll down before -> view is smaller than it's default size -> resize it instead of change it position
if(baseLayout.getHeight()<defaultViewHeight){
baseLayout.getLayoutParams().height = baseLayout.getHeight() - (Y - previousFingerPosition);
baseLayout.requestLayout();
}
else {
// Has user scroll enough to "auto close" popup ?
if ((baseLayoutPosition - currentYPosition) > defaultViewHeight / 4) {
closeUpAndDismissDialog(currentYPosition);
return true;
}
//
}
baseLayout.setY(baseLayout.getY() + (Y - previousFingerPosition));
}
// If we scroll down
else{
// First time android rise an event for "down" move
if(!isScrollingDown){
isScrollingDown = true;
}
// Has user scroll enough to "auto close" popup ?
if (Math.abs(baseLayoutPosition - currentYPosition) > defaultViewHeight / 2)
{
closeDownAndDismissDialog(currentYPosition);
return true;
}
// Change base layout size and position (must change position because view anchor is top left corner)
baseLayout.setY(baseLayout.getY() + (Y - previousFingerPosition));
baseLayout.getLayoutParams().height = baseLayout.getHeight() - (Y - previousFingerPosition);
baseLayout.requestLayout();
}
// Update position
previousFingerPosition = Y;
}
break;
}
return true;
}
}
public void closeUpAndDismissDialog(int currentPosition){
isClosing = true;
ObjectAnimator positionAnimator = ObjectAnimator.ofFloat(baseLayout, "y", currentPosition, -baseLayout.getHeight());
positionAnimator.setDuration(300);
positionAnimator.addListener(new Animator.AnimatorListener()
{
. . .
@Override
public void onAnimationEnd(Animator animator)
{
finish();
}
. . .
});
positionAnimator.start();
}
public void closeDownAndDismissDialog(int currentPosition){
isClosing = true;
Display display = getWindowManager().getDefaultDisplay();
Point size = new Point();
display.getSize(size);
int screenHeight = size.y;
ObjectAnimator positionAnimator = ObjectAnimator.ofFloat(baseLayout, "y", currentPosition, screenHeight+baseLayout.getHeight());
positionAnimator.setDuration(300);
positionAnimator.addListener(new Animator.AnimatorListener()
{
. . .
@Override
public void onAnimationEnd(Animator animator)
{
finish();
}
. . .
});
positionAnimator.start();
}