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我想做一個tabhost,我想添加一個viewflipper一個活動。 此活動適用於tabhost。 我寫過,但什麼都行不通。有誰有個想法,我該怎麼做?我希望他們明白我想要的。Android,ViewFlipper與手勢檢測器在Tabhost
我想在這個activitiy的GestureDetector的使用。我可以用按鈕改變圖片,但用手指我不能。
我想做一個tabhost,我想添加一個viewflipper一個活動。 此活動適用於tabhost。 我寫過,但什麼都行不通。有誰有個想法,我該怎麼做?我希望他們明白我想要的。Android,ViewFlipper與手勢檢測器在Tabhost
我想在這個activitiy的GestureDetector的使用。我可以用按鈕改變圖片,但用手指我不能。
我以前做過。 (https://github.com/vancexu/AimTo/tree/master/src/com/hackingtrace/vancexu AimToActivity.java)
只是實現自己的GestureDetector
,然後在選項卡活動註冊OnTouchListener
順便說一句,我也實現了幻燈片動畫,在我TabHostActivity
在TabHost
一些代碼中使用ViewFlipper
private static final int SWIPE_MIN_DISTANCE = 180;
private static final int SWIPE_MAX_OFF_PATH = 250;
private static final int SWIPE_THRESHOLD_VELOCITY = 200;
private GestureDetector gestureDetector;
View.OnTouchListener gestureListener;
public void onCreate(Bundle savedInstanceState) {
....
gestureDetector = new GestureDetector(new MyGestureDetector());
gestureListener = new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
if (gestureDetector.onTouchEvent(event)) {
return true;
}
return false;
}
};
class MyGestureDetector extends SimpleOnGestureListener {
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
float velocityY) {
TabHost tabHost = getTabHost();
try {
if (Math.abs(e1.getY() - e2.getY()) > SWIPE_MAX_OFF_PATH)
return false;
// right to left swipe, tab change to right
if (e1.getX() - e2.getX() > SWIPE_MIN_DISTANCE
&& Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
Log.i("Gesture ", "right");
if (currentView == maxTabIndex) {
currentView = 0;
} else {
currentView++;
}
viewFlipperBody.setInAnimation(slideLeftIn);
viewFlipperBody.setOutAnimation(slideLeftOut);
viewFlipperBody.setDisplayedChild(currentView);
} else if (e2.getX() - e1.getX() > SWIPE_MIN_DISTANCE
&& Math.abs(velocityX) > SWIPE_THRESHOLD_VELOCITY) {
Log.i("Gesture ", "left");
if (currentView == 0) {
currentView = maxTabIndex;
} else {
currentView--;
}
viewFlipperBody.setInAnimation(slideRightIn);
viewFlipperBody.setOutAnimation(slideRightOut);
viewFlipperBody.setDisplayedChild(currentView);
}
} catch (Exception e) {
// nothing
e.printStackTrace();
}
tabHost.setCurrentTab(currentView);
return false;
}
}
@Override
public boolean dispatchTouchEvent(MotionEvent event) {
if (gestureDetector.onTouchEvent(event)) {
event.setAction(MotionEvent.ACTION_CANCEL);
}
return super.dispatchTouchEvent(event);
}