我试图创建一个总是在顶部按钮/点击图像
它一直在所有的窗口上面。
证明
概念是
智能任务栏(在AppBrain上)
这里是V1.4.0侧边栏样式的SWKey -按钮救星(在xda-developers上)
我已经成功了，现在有一个运行的服务。服务
在屏幕左上角一直显示一些文本
用户可以自由地与其他应用程序进行正常的交互。
我
ViewGroup的子类，并将它添加到根窗口管理器
国旗TYPE_SYSTEM_OVERLAY。现在我想添加一个按钮/可点击的图像
在这个文本的地方，它可以接收自己的触摸事件。我
试着重写整个ViewGroup的“onTouchEvent”，但它做到了
没有收到任何事件。
如何只能在某些部分接收事件
我总是在顶部的视图组?请建议。
public class HUD extends Service {
HUDView mView;
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
super.onCreate();
Toast.makeText(getBaseContext(),"onCreate", Toast.LENGTH_LONG).show();
mView = new HUDView(this);
WindowManager.LayoutParams params = new WindowManager.LayoutParams(
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY,
0,
// WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
// | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE,
PixelFormat.TRANSLUCENT);
params.gravity = Gravity.RIGHT | Gravity.TOP;
params.setTitle("Load Average");
WindowManager wm = (WindowManager) getSystemService(WINDOW_SERVICE);
wm.addView(mView, params);
}
@Override
public void onDestroy() {
super.onDestroy();
Toast.makeText(getBaseContext(),"onDestroy", Toast.LENGTH_LONG).show();
if(mView != null)
{
((WindowManager) getSystemService(WINDOW_SERVICE)).removeView(mView);
mView = null;
}
}
}
class HUDView extends ViewGroup {
private Paint mLoadPaint;
public HUDView(Context context) {
super(context);
Toast.makeText(getContext(),"HUDView", Toast.LENGTH_LONG).show();
mLoadPaint = new Paint();
mLoadPaint.setAntiAlias(true);
mLoadPaint.setTextSize(10);
mLoadPaint.setARGB(255, 255, 0, 0);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.drawText("Hello World", 5, 15, mLoadPaint);
}
@Override
protected void onLayout(boolean arg0, int arg1, int arg2, int arg3, int arg4) {
}
@Override
public boolean onTouchEvent(MotionEvent event) {
//return super.onTouchEvent(event);
Toast.makeText(getContext(),"onTouchEvent", Toast.LENGTH_LONG).show();
return true;
}
}
试试这个。在ICS中工作正常。
如果您想停止服务，只需单击状态栏中生成的通知。
public class HUD extends Service
{
protected boolean foreground = false;
protected boolean cancelNotification = false;
private Notification notification;
private View myView;
protected int id = 0;
private WindowManager wm;
private WindowManager.LayoutParams params;
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
super.onCreate();
// System.exit(0);
Toast.makeText(getBaseContext(),"onCreate", Toast.LENGTH_SHORT).show();
params = new WindowManager.LayoutParams(WindowManager.LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.WRAP_CONTENT,
WindowManager.LayoutParams.TYPE_PHONE, WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
| WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE, PixelFormat.TRANSLUCENT);
params.gravity=Gravity.TOP|Gravity.LEFT;
wm = (WindowManager) getSystemService(WINDOW_SERVICE);
inflateview();
foregroundNotification(1);
//moveToForeground(1,n,true);
}
@Override
public void onDestroy() {
super.onDestroy();
((NotificationManager) getSystemService(NOTIFICATION_SERVICE)).cancel(0);
Toast.makeText(getBaseContext(),"onDestroy", Toast.LENGTH_SHORT).show();
if(myView != null)
{
((WindowManager) getSystemService(WINDOW_SERVICE)).removeView(myView);
myView = null;
}
}
protected Notification foregroundNotification(int notificationId)
{
notification = new Notification(R.drawable.ic_launcher, "my Notification", System.currentTimeMillis());
notification.flags = notification.flags | Notification.FLAG_ONGOING_EVENT | Notification.FLAG_ONLY_ALERT_ONCE;
notification.setLatestEventInfo(this, "my Notification", "my Notification", notificationIntent());
((NotificationManager) getSystemService(NOTIFICATION_SERVICE)).notify(id, notification);
return notification;
}
private PendingIntent notificationIntent() {
Intent intent = new Intent(this, stopservice.class);
PendingIntent pending = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
return pending;
}
public void inflateview()
{
LayoutInflater inflater = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
myView = inflater.inflate(R.layout.activity_button, null);
myView.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
Toast.makeText(getBaseContext(),"onToasttt", Toast.LENGTH_SHORT).show();
return false;
}
});
// Add layout to window manager
wm.addView(myView, params);
}
}
更新
样品在这里
要创建一个覆盖视图，在设置LayoutParams时不要将类型设置为TYPE_SYSTEM_OVERLAY。
Instead set it to TYPE_PHONE.
Use the following flags:
FLAG_NOT_TOUCH_MODAL
FLAG_WATCH_OUTSIDE_TOUCH
通过使用service，您可以实现以下目标:
public class PopupService extends Service{
private static final String TAG = PopupService.class.getSimpleName();
WindowManager mWindowManager;
View mView;
String type ;
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
// registerOverlayReceiver();
type = intent.getStringExtra("type");
Utils.printLog("type = "+type);
showDialog(intent.getStringExtra("msg"));
return super.onStartCommand(intent, flags, startId);
}
private void showDialog(String aTitle)
{
if(type.equals("when screen is off") | type.equals("always"))
{
Utils.printLog("type = "+type);
PowerManager pm = (PowerManager) getApplicationContext().getSystemService(Context.POWER_SERVICE);
WakeLock mWakeLock = pm.newWakeLock((PowerManager.SCREEN_DIM_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP), "YourServie");
mWakeLock.acquire();
mWakeLock.release();
}
mWindowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
mView = View.inflate(getApplicationContext(), R.layout.dialog_popup_notification_received, null);
mView.setTag(TAG);
int top = getApplicationContext().getResources().getDisplayMetrics().heightPixels / 2;
LinearLayout dialog = (LinearLayout) mView.findViewById(R.id.pop_exit);
// android.widget.LinearLayout.LayoutParams lp = (android.widget.LinearLayout.LayoutParams) dialog.getLayoutParams();
// lp.topMargin = top;
// lp.bottomMargin = top;
// mView.setLayoutParams(lp);
final EditText etMassage = (EditText) mView.findViewById(R.id.editTextInPopupMessageReceived);
ImageButton imageButtonSend = (ImageButton) mView.findViewById(R.id.imageButtonSendInPopupMessageReceived);
// lp = (LayoutParams) imageButton.getLayoutParams();
// lp.topMargin = top - 58;
// imageButton.setLayoutParams(lp);
imageButtonSend.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Utils.printLog("clicked");
// mView.setVisibility(View.INVISIBLE);
if(!etMassage.getText().toString().equals(""))
{
Utils.printLog("sent");
etMassage.setText("");
}
}
});
TextView close = (TextView) mView.findViewById(R.id.TextViewCloseInPopupMessageReceived);
close.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
hideDialog();
}
});
TextView view = (TextView) mView.findViewById(R.id.textviewViewInPopupMessageReceived);
view.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
hideDialog();
}
});
TextView message = (TextView) mView.findViewById(R.id.TextViewMessageInPopupMessageReceived);
message.setText(aTitle);
final WindowManager.LayoutParams mLayoutParams = new WindowManager.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT,
ViewGroup.LayoutParams.MATCH_PARENT, 0, 0,
WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
| WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
// | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
| WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON ,
PixelFormat.RGBA_8888);
mView.setVisibility(View.VISIBLE);
mWindowManager.addView(mView, mLayoutParams);
mWindowManager.updateViewLayout(mView, mLayoutParams);
}
private void hideDialog(){
if(mView != null && mWindowManager != null){
mWindowManager.removeView(mView);
mView = null;
}
}
}
