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Android 中gitWindow可以做的事情

View view = getWindow().getDecorView().findViewById(R.id.activity_main);
if (view == null) return;

ViewParent viewParent = view.getParent();
if (viewParent instanceof FrameLayout) {
final FrameLayout frameParent = (FrameLayout) viewParent;//整个父布局

final LinearLayout linearLayout = new LinearLayout(this);//新建一个LinearLayout
linearLayout.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
linearLayout.setOrientation(LinearLayout.VERTICAL);
linearLayout.setBackgroundResource(#88000000);//背景设置灰色透明
linearLayout.setGravity(Gravity.CENTER_HORIZONTAL);
linearLayout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
frameParent.removeView(linearLayout);
}
});

Rect rect = new Rect();
Point point = new Point();
nearby.getGlobalVisibleRect(rect, point);//获得nearby这个控件的宽高以及XY坐标 nearby这个控件对应就是需要高亮显示的地方

ImageView topGuideview = new ImageView(this);
topGuideview.setLayoutParams(new ViewGroup.LayoutParams(rect.width(), rect.height())); topGuideview.setBackgroundResource(R.drawable.iv_topguide);

Rect rt = new Rect();
getWindow().getDecorView().getWindowVisibleDisplayFrame(rt);
topGuideview.setY(point.y – rt.top);//rt.top是手机状态栏的高度
ImageView bottomGuideview = new ImageView(this);
bottomGuideview.setLayoutParams(new ViewGroup.LayoutParams(WRAP_CONTENT, WRAP_CONTENT));
bottomGuideview.setBackgroundResource(R.drawable.iv_bottomguide);
bottomGuideview.setY(point.y + topGuideview.getHeight());

linearLayout.addView(topGuideview);
linearLayout.addView(bottomGuideview);
frameParent.addView(linearLayout);
}

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