View.OnSystemUiVisibilityChangeListener在Android服务中不起作用

概述我想知道是否要显示SystemUI和Listenering.该窗口在Service中创建 package com.example.testwindow;import android.app.Service;import android.content.Context;import android.content.Intent;import android.graphics.Color; 我想知道是否要显示systemUI和Listenering.该窗口在Service中创建

package com.example.testwindow;import androID.app.Service;import androID.content.Context;import androID.content.Intent;import androID.graphics.color;import androID.graphics.PixelFormat;import androID.os.IBinder;import androID.util.Log;import androID.vIEw.Gravity;import androID.vIEw.LayoutInflater;import androID.vIEw.VIEw;import androID.vIEw.Window;import androID.vIEw.WindowManager;import androID.vIEw.WindowManager.LayoutParams;import com.androID.internal.policy.PolicyManager;public class WindowManagerService extends Service {    private String TAG ="WindowManagerService";    private Context mContext;    private WindowManager mWindowManager;    private Window mWindow;    @OverrIDe    public voID onCreate() {        super.onCreate();        Log.i(TAG,"onCreate vIEw");        this.mWindowManager = ((WindowManager) getSystemService("window"));        mContext = this;    }    @OverrIDe    public int onStartCommand(Intent intent,int flags,int startID) {        int i = super.onStartCommand(intent,flags,startID);        VIEw editwindow = LayoutInflater.from(mContext).inflate(R.layout.activity_main,null);        mWindow = adDWindow(editwindow,LayoutParams.TYPE_PHONE);        int msystemUIVisibility = mWindow.getDecorVIEw().getsystemUIVisibility();        mWindow.getDecorVIEw().setonsystemUIVisibilitychangelistener(new  VIEw.OnsystemUIVisibilitychangelistener(){            @OverrIDe            public voID onsystemUIVisibilityChange(int visibility) {                Log.e(TAG,"systemUI onsystemUIVisibilityChange ="+visibility);            }        });        Log.e(TAG,"msystemUIVisibility ="+msystemUIVisibility);        WindowManager.LayoutParams layoutParams = mWindow.getAttributes();        layoutParams.x = 0;        layoutParams.y = 0;        layoutParams.wIDth = 500;        layoutParams.height = 600;        layoutParams.gravity = Gravity.top | Gravity.left;        layoutParams.hassystemUIListeners = true;        layoutParams.setTitle("WindowManagerService");        mWindow.setAttributes(layoutParams);        mWindowManager.updateVIEwLayout(mWindow.getDecorVIEw(),layoutParams);        return i;    }    public WindowManager.LayoutParams createLayoutParams() {        Log.i(TAG,"createLayoutParams");        WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams(                 LayoutParams.TYPE_SYstem_ERROR,LayoutParams.FLAG_NOT_FOCUSABLE,PixelFormat.TRANSLUCENT);        layoutParams.softinputMode = LayoutParams.soFT_input_ADJUST_PAN;        layoutParams.setTitle(getClass().getname());        return layoutParams;    }    public Window adDWindow(VIEw paramVIEw,int wIDth,int height,int type) {        Log.i(TAG,"adDWindow vIEw");        WindowManager.LayoutParams layoutParams = createLayoutParams();             Window localWindow = PolicyManager.makeNewWindow(this.mContext);        if (localWindow != null) {            localWindow.setwindowManager(this.mWindowManager,null,null);            localWindow.requestFeature(Window.FEATURE_NO_Title);            localWindow.setFlags(WindowManager.LayoutParams.FLAG_FulLSCREEN,WindowManager.LayoutParams.FLAG_FulLSCREEN);            layoutParams.wIDth = wIDth;            layoutParams.height = height;            layoutParams.type = type;            layoutParams.format= PixelFormat.transparent;            layoutParams.flags = (LayoutParams.FLAG_NOT_FOCUSABLE | layoutParams.flags);            localWindow.setAttributes(layoutParams);            localWindow.setContentVIEw(paramVIEw);            VIEw localVIEw = localWindow.getDecorVIEw();            if (localVIEw != null) {                localVIEw.setVisibility(VIEw.VISIBLE);                this.mWindowManager.addVIEw(localVIEw,layoutParams);            }            return localWindow;        }           return null;    }    @OverrIDe    public IBinder onBind(Intent intent) {        // Todo auto-generated method stub        return null;    }    @OverrIDe    public voID onDestroy() {        if (mWindow != null) {            mWindowManager.removeVIEw(mWindow.getDecorVIEw());            mWindow = null;        }        super.onDestroy();    }}

当我开始服务时,其他应用程序更改为FulLSCREEN,我无法获取日志“systemUI onsystemUIVisibilityChange =”

有人可以解释这种行为吗？为什么听不到改变？

解决方法 您可以在调用addVIEw之前尝试添加侦听器. 总结

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