The whole point of that window type is the window can't get any user input.
This is not stuff that third party applications are supposed to do. I strongly discourage this -- whatever you do here is likely to break in future versions of the platform. On Sat, Dec 18, 2010 at 4:58 PM, Aco <[email protected]> wrote: > Hi All! I'm trying to create an always-op-top button/clickable-image > which stays on top of all the windows all the time. The proof of > concept is here > http://www.appbrain.com/app/smart-taskbar-%28sidebar%29/com.smart.taskbar > and here http://forum.xda-developers.com/showthread.php?t=865525 I'm > following this example code > > http://android.git.kernel.org/?p=platform/frameworks/base.git;a=blob;f=services/java/com/android/server/LoadAverageService.java;h=0d86429aaa5ccf6ecf311dfb3af0f3ccbf5f8d29;hb=HEAD > > I have been successful and have a running service now. The service > displays some text on top left corner of screen all the time while > user can freely interact with rest of apps in normal manner. What I'm > doing is subclass ViewGroup and add it to root window manager with > flag TYPE_SYSTEM_OVERLAY. Now I want to add a button/clickable-image > in place of this text which can receive touch events on itself. I > tried overriding "onTouchEvent" for the whole ViewGroup but it does > not receive any event. How can I receive events only on certain parts > of my always-on-top view group? Kindly suggest. > > ====== > CODE= > ====== > > import android.app.Service; > import android.content.Context; > import android.content.Intent; > import android.graphics.Canvas; > import android.graphics.Paint; > import android.graphics.PixelFormat; > import android.os.IBinder; > import android.view.Gravity; > import android.view.MotionEvent; > import android.view.ViewGroup; > import android.view.WindowManager; > import android.widget.AbsoluteLayout; > import android.widget.Button; > import android.widget.LinearLayout; > import android.widget.RelativeLayout; > import android.widget.Toast; > > 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; > } > } > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
