java - Drawing area with ScrollView -

-

i´m creating painting , drawing area in activity , move scrollview.

if have code don´t have problem:

<relativelayout     android:id="@+id/framever"     android:layout_width="match_parent"     android:layout_height="2000dip"     android:layout_marginbottom="3dp"     android:layout_marginleft="5dp"     android:layout_marginright="5dp"     android:layout_margintop="3dp"     android:layout_weight="1"     android:background="@null">      <package.drawingview         android:id="@+id/drawing"         android:layout_width="fill_parent"         android:layout_height="2000dip"         android:background="@null" />  </relativelayout>

but, if add scrollview, paints in pieces:

<package.linkablescrollview     android:id="@+id/scrollview"     android:layout_width="fill_parent"     android:layout_height="2000dip"     android:layout_marginbottom="3dp"     android:layout_marginleft="5dp"     android:layout_marginright="5dp"     android:layout_margintop="3dp"     android:layout_weight="1"     android:background="@null">          <relativelayout             android:id="@+id/framever"             android:layout_width="match_parent"             android:layout_height="2000dip"             android:layout_marginbottom="3dp"             android:layout_marginleft="5dp"             android:layout_marginright="5dp"             android:layout_margintop="3dp"             android:layout_weight="1"             android:background="@null">              <package.drawingview                 android:id="@+id/drawing"                 android:layout_width="fill_parent"                 android:layout_height="2000dip"                 android:background="@null" />          </relativelayout> </package.linkablescrollview>

enter image description here

if paint in portrait mode, lets me draw, in pieces, , if paint in landscape can paint perfectly.

i have created mi own scrollview enabling or disabling property, paints in same way.

public class linkablescrollview extends scrollview {      private static final int number_of_fingers_to_activate_scroll = 2;     private boolean doubledrag = false;     private boolean enablescrolling = true;      public linkablescrollview(context context, attributeset attrs, int defstyle)       {         super(context, attrs, defstyle);     }      public linkablescrollview(context context, attributeset attrs) {         super(context, attrs);     }      public linkablescrollview(context context) {        super(context);     }      private int getscrollheight() {         return super.getchildat(0).getheight() - super.getheight();     }      public boolean isenablescrolling() {        return enablescrolling;     }      public void setenablescrolling(boolean enablescrolling) {        this.enablescrolling = enablescrolling;     }         @override     public boolean ontouchevent(@nonnull motionevent event) {          if (isenablescrolling()) {             int action = event.getaction();              switch (action) {                 case motionevent.action_down:                     super.ontouchevent(event);                     break;                 case motionevent.action_pointer_up:                     break;                 case motionevent.action_up:                     super.ontouchevent(event);                    doubledrag = false;                     break;                 case motionevent.action_move:                     if (event.getpointercount() == number_of_fingers_to_activate_scroll) {                         doubledrag = true;                     }                     if (doubledrag) {                        super.ontouchevent(event);                     }             }             return true;         }         else {             return false;         }       } }

draw touch event:

@override public boolean ontouchevent(motionevent event) {      point p = new point();     float touchx = event.getx();     float touchy = event.gety();      switch (event.getaction()) {         case motionevent.action_down:             drawpath.moveto(touchx, touchy);             break;         case motionevent.action_move:             drawpath.lineto(touchx, touchy);             break;         case motionevent.action_up:             drawcanvas.drawpath(drawpath, drawpaint);             drawpath.reset();             break;         default:             return false;     }      invalidate();     return true; }

please, can me? thanks!


Comments

Post a Comment

Popular posts from this blog

qt - Using float or double for own QML classes -

-
i've created components , helper methods using c++ , qt used in qml gui. of methods calculate gui elements (size, transformations, scene graph items creation). target arm 32 bit using opengl / eglfs render output. opengl using float , qml using real (defined double ). what should use in c++ do not lose precision? if use qreal ( double ) shouldn't lose precision. if git grep float in qtbase.git , can find out bit more: dist/changes-5.2.0-**************************************************************************** dist/changes-5.2.0-* important behavior changes * dist/changes-5.2.0-**************************************************************************** dist/changes-5.2.0- dist/changes-5.2.0- - qt compiled qreal typedef'ed double on dist/changes-5.2.0: platforms. qreal float on arm chipsets before. guarantees more dist/changes-5.2.0- consistent behavior between platforms qt supports, binary dist/chan...
Read more

Create Outlook appointment via C# .Net -

-
i need create outlook appointment using microsoft.office.interop.outlook , while can work locally on own workstation , works if run web application via server's browser, not work when connect server externally. hence, think might permission issue. i changed application pool identity " localsystem " don't access denied error. unfortunately, doesn't work. the app behaves if appointment created, appointment doesn't appear in outlook. here include file on top of aspx.cs page using outlook = microsoft.office.interop.outlook; here code using pop appointment. outlook.application apptapp = new outlook.application(); outlook.appointmentitem appt = apptapp.createitem(outlook.olitemtype.olappointmentitem) outlook.appointmentitem; appt.subject = txtfirstname.text + " " + txtlastname.text; appt.body = txtcomment.text; appt.alldayevent = false; appt.start = datetime.parse(txtreminderdate.text + " 8:00 am"); appt.end = datetime.p...
Read more

ios - Swift Array Resetting Itself -

-
i have 2 arrays: pointhistory , datehistory . have nstimer , , when timer runs out, action called. in action appending int pointhistory , , current date string datehistory . here timer action: func timeraction() { let steppervalue = int(stepper.value) employee.numberofpoints = steppervalue networking.saveemployee(employee, completion: { (error) -> void in if error != nil { let alert = uialertcontroller(title: "error", message: "there error updating \(self.employee.name)'s points", preferredstyle: .alert) let alertaction = uialertaction(title: "ok", style: .cancel, handler: nil) alert.addaction(alertaction) self.presentviewcontroller(alert, animated: true, completion: nil) } }) var dateformatter = nsdateformatter() dateformatter.dateformat = "mm-dd-yyyy" dateformatter.timezone = nstimezone.localtimezone() var date = nsdate() var ...
Read more