搭建直播平台，Android开发之禁止下拉通知栏的方法

思路：在状态栏上覆盖一层透明view，点击时，直接消费掉，禁止继续往下传递，接触不到状态栏，就拉不出来，比较笨的一个办法，但是也挺有效

废话说的不少了，上代码把：

<br>//禁止下拉<br>private void UnDropDown() {<br>    manager = ((WindowManager) getApplicationContext()<br>            .getSystemService(Context.WINDOW_SERVICE));<br>    WindowManager.LayoutParams localLayoutParams = new WindowManager.LayoutParams();<br>    localLayoutParams.type = WindowManager.LayoutParams.TYPE_SYSTEM_ERROR;<br>    localLayoutParams.gravity = Gravity.TOP;<br>    localLayoutParams.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |<br>            // this is to enable the notification to recieve touch events<br>            WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL |<br>            // Draws over status bar<br>            WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;<br>    localLayoutParams.width = WindowManager.LayoutParams.MATCH_PARENT;<br>    localLayoutParams.height = (int) (50 * getResources()<br>            .getDisplayMetrics().scaledDensity); //50高度这边我是固定死了，也可以动态获取状态栏高度，然后赋值<br>    localLayoutParams.format = PixelFormat.TRANSPARENT;<br>    view = new CustomViewGroup(this);<br>    manager.addView(view, localLayoutParams);<br>}

CustomViewGroup 代码：

<br>import android.content.Context;<br>import android.util.Log;<br>import android.view.MotionEvent;<br>import android.view.ViewGroup;<br>public class CustomViewGroup extends ViewGroup {<br>    public CustomViewGroup(Context context) {<br>        super(context);<br>    }<br>    @Override<br>    protected void onLayout(boolean changed, int l, int t, int r, int b) {<br>    }<br>    @Override<br>    public boolean onInterceptTouchEvent(MotionEvent ev) {<br>        //直接消费，不向下传递<br>        return true;<br>    }<br>}

不要忘记销毁

<br>@Override<br>protected void onDestroy() {<br>    super.onDestroy();<br>    if (view != null) {<br>        WindowManager manager = ((WindowManager) getApplicationContext().getSystemService(Context.WINDOW_SERVICE));<br>        manager.removeView(view);<br>    }<br>}

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