/** 布局加载完成回调 做一些初始化的操作 */
@Override
protected void onFinishInflate() {
super.onFinishInflate();
if (isShowShadow) {
iv_shadow = new ImageView(context);
iv_shadow.setImageResource(R.mipmap.shadow);
LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
addView(iv_shadow, 1, lp);
}
// 左侧界面
vg_left = (RelativeLayout) getChildAt(0);
// 右侧(主)界面
vg_main = (CustomRelativeLayout) getChildAt(isShowShadow ? 2 : 1);
vg_main.setDragLayout(this);
vg_left.setClickable(true);
vg_main.setClickable(true);
}
@Override
public void run() {
int amount = 2;
if (_button == Viewer.MINUS) {
amount = -amount;
}
_rl.handleEvent(_state, amount * 5);
_handler.postDelayed(this, 100);
}
public void close(boolean animate) {
if (animate) {
// 继续滑动
if (dragHelper.smoothSlideViewTo(vg_main, 0, 0)) {
ViewCompat.postInvalidateOnAnimation(this);
}
} else {
vg_main.layout(0, 0, width, height);
dispatchDragEvent(0);
}
}
public void open(boolean animate) {
if (animate) {
// 继续滑动
if (dragHelper.smoothSlideViewTo(vg_main, range, 0)) {
ViewCompat.postInvalidateOnAnimation(this);
}
} else {
vg_main.layout(range, 0, range * 2, height);
dispatchDragEvent(range);
}
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (pendingProgress != progress) {
if (pendingProgress > progress) {
updateBarProgress(true);
} else if (pendingProgress < progress) {
updateBarProgress(false);
}
invalidate();
}
is_animating = pendingProgress != progress;
}
/**
* 子View被拖拽 移动的时候回调的方法
*
* @param changedView View whose position changed
* @param left New X coordinate of the left edge of the view
* @param top New Y coordinate of the top edge of the view
* @param dx Change in X position from the last call
* @param dy Change in Y position from the last call
*/
@Override
public void onViewPositionChanged(View changedView, int left, int top, int dx, int dy) {
if (changedView == vg_main) {
mainLeft = left;
} else {
mainLeft = mainLeft + left;
}
if (mainLeft < 0) {
mainLeft = 0;
} else if (mainLeft > range) {
mainLeft = range;
}
if (isShowShadow) {
iv_shadow.layout(mainLeft, 0, mainLeft + width, height);
}
if (changedView == vg_left) {
vg_left.layout(0, 0, width, height);
vg_main.layout(mainLeft, 0, mainLeft + width, height);
}
dispatchDragEvent(mainLeft);
}
/**
* 调用进行left和main 视图进行位置布局
*
* @param changed
* @param left
* @param top
* @param right
* @param bottom
*/
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
vg_left.layout(0, 0, width, height);
vg_main.layout(mainLeft, 0, mainLeft + width, height);
}
