public static WindowManager.LayoutParams wmParams;

private static WindowManager mWindowManager;

private static View myFV;//弹出窗的View

public void open(){

myFV = new MyView().initViews();

// 以下都是WindowManager.LayoutParams的相关属性 具体用途可参考SDK文档

// 根据电话状态调整透明窗位置

wmParams.type = LayoutParams.TYPE_PHONE;

// 设置图片格式，效果为背景透明

wmParams.format = PixelFormat.RGBA_8888; 

// 设置Window flag

wmParams.flags = LayoutParams.FLAG_NOT_TOUCH_MODAL | LayoutParams.FLAG_NOT_FOCUSABLE | LayoutParams.FLAG_LAYOUT_NO_LIMITS;

 

// 调整悬浮窗口

wmParams.gravity = Gravity.CENTER_HORIZONTAL | Gravity.CENTER_VERTICAL; 

//调整窗口高度

wmParams.height = 720;

//强制竖屏

wmParams.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;

// 使其可移动 

myFV.setOnTouchListener(new OnTouchListener() {

int lastX, lastY;

int paramX, paramY;

@Override

public boolean onTouch(View v, MotionEvent event) {

switch (event.getAction()) {

case MotionEvent.ACTION_DOWN:

lastX = (int) event.getRawX();

lastY = (int) event.getRawY();

paramX = wmParams.x;

paramY = wmParams.y;

break;

case MotionEvent.ACTION_MOVE:

int dx = (int) event.getRawX() - lastX;

int dy = (int) event.getRawY() - lastY;

wmParams.x = paramX + dx;

wmParams.y = paramY + dy;

// 更新悬浮窗位置

mWindowManager.updateViewLayout(v, wmParams);

Debug.d("zhangran_mail", "onTouch() wmParams.x=" + wmParams.x + " wmParams.y=" + wmParams.y);

break;

}

return false;

}

});

mWindowManager.addView(myFV, wmParams);//把View 加到windowManager 中

}