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2014/10/16 ¤W¤È 08:11:04
android Programming Glossary: canvasHow to make an ImageView to have rounded corners http://stackoverflow.com/questions/2459916/how-to-make-an-imageview-to-have-rounded-corners bitmap.getWidth bitmap .getHeight Config.ARGB_8888 Canvas canvas new Canvas output final int color 0xff424242 final Paint paint.. rect final float roundPx pixels paint.setAntiAlias true canvas.drawARGB 0 0 0 0 paint.setColor color canvas.drawRoundRect rectF.. true canvas.drawARGB 0 0 0 0 paint.setColor color canvas.drawRoundRect rectF roundPx roundPx paint paint.setXfermode..
How to draw a path on a map using kml file? http://stackoverflow.com/questions/3109158/how-to-draw-a-path-on-a-map-using-kml-file getMode return mode @Override public boolean draw Canvas canvas MapView mapView boolean shadow long when Projection projection.. mRadius point.x mRadius point.y mRadius start point canvas.drawOval oval paint mode 2 #65306 path else if mode 2 if defaultColor.. defaultColor Color.parseColor #6C8715 220 120 canvas.drawLine point.x point.y point2.x point2.y paint mode 3 #65306..
creating a system overlay (always on top) button in android http://stackoverflow.com/questions/4481226/creating-a-system-overlay-always-on-top-button-in-android 255 255 0 0 @Override protected void onDraw Canvas canvas super.onDraw canvas canvas.drawText Hello World 5 15 mLoadPaint.. @Override protected void onDraw Canvas canvas super.onDraw canvas canvas.drawText Hello World 5 15 mLoadPaint @Override protected.. protected void onDraw Canvas canvas super.onDraw canvas canvas.drawText Hello World 5 15 mLoadPaint @Override protected void..
How can I use the animation framework inside the canvas? http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas can I use the animation framework inside the canvas I want to use certain animations such as bounce inside my canvas... I want to use certain animations such as bounce inside my canvas. Is it possible to use the animation interpolators inside In.. class applies to objects such as views and layouts. The canvas is just a surface for drawing which is either part of a View..
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo paint new Paint @Override public final void draw final Canvas c final MapView mv final boolean shadow super.draw c mv shadow..
Vertical (rotated) label in Android http://stackoverflow.com/questions/1258275/vertical-rotated-label-in-android super.setFrame l t l b t t r l @Override public void draw Canvas canvas if topDown canvas.translate getHeight 0 canvas.rotate.. getMeasuredWidth @Override protected void onDraw Canvas canvas TextPaint textPaint getPaint textPaint.setColor getCurrentTextColor..
Scrollview vertical and horizontal in android http://stackoverflow.com/questions/2044775/scrollview-vertical-and-horizontal-in-android it only implements vertical or horizontal scrolling. Canvas is not my solution because I need to attach listeners in someones..
android ellipsize multiline textview http://stackoverflow.com/questions/2160619/android-ellipsize-multiline-textview import android.content.Context import android.graphics.Canvas import android.text.Layout import android.text.Layout.Alignment.. isStale true @Override protected void onDraw Canvas canvas if isStale super.setEllipsize null resetText super.onDraw..
How to make an ImageView to have rounded corners http://stackoverflow.com/questions/2459916/how-to-make-an-imageview-to-have-rounded-corners import android.graphics.Bitmap import android.graphics.Canvas import android.graphics.Paint import android.graphics.PorterDuffXfermode.. bitmap.getWidth bitmap .getHeight Config.ARGB_8888 Canvas canvas new Canvas output final int color 0xff424242 final Paint.. bitmap .getHeight Config.ARGB_8888 Canvas canvas new Canvas output final int color 0xff424242 final Paint paint new Paint..
How to draw a path on a map using kml file? http://stackoverflow.com/questions/3109158/how-to-draw-a-path-on-a-map-using-kml-file import android.graphics.Bitmap import android.graphics.Canvas import android.graphics.Color import android.graphics.Paint.. int getMode return mode @Override public boolean draw Canvas canvas MapView mapView boolean shadow long when Projection projection..
http://stackoverflow.com/questions/3205191/android-and-mjpeg import android.graphics.Bitmap import android.graphics.Canvas import android.graphics.Color import android.graphics.Paint.. Bitmap.createBitmap bwidth bheight Bitmap.Config.ARGB_8888 Canvas c new Canvas bm p.setColor overlayBackgroundColor c.drawRect.. bwidth bheight Bitmap.Config.ARGB_8888 Canvas c new Canvas bm p.setColor overlayBackgroundColor c.drawRect 0 0 bwidth bheight..
http://stackoverflow.com/questions/3616676/how-to-draw-a-line-in-android import android.content.Context import android.graphics.Canvas import android.graphics.Color import android.graphics.Paint.. paint.setColor Color.BLACK @Override public void onDraw Canvas canvas canvas.drawLine 0 0 20 20 paint canvas.drawLine 20 0..
Custom ImageView with drop shadow http://stackoverflow.com/questions/3693234/custom-imageview-with-drop-shadow import android.content.Context import android.graphics.Canvas import android.graphics.Color import android.graphics.Paint.. 2f 1f 1f Color.BLACK @Override protected void onDraw Canvas canvas Rect r mRect Paint paint mPaint canvas.drawRect r paint.. I'm still working on that. @Override protected void onDraw Canvas canvas Bitmap bmp BitmapFactory.decodeResource getResources..
creating a system overlay (always on top) button in android http://stackoverflow.com/questions/4481226/creating-a-system-overlay-always-on-top-button-in-android 255 255 0 0 @Override protected void onDraw Canvas canvas super.onDraw canvas canvas.drawText Hello World 5 15..
How can I use the animation framework inside the canvas? http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas android.graphics.BitmapFactory import android.graphics.Canvas import android.os.Bundle import android.text.format.Time import.. of the screen. Y initialY @Override public void onDraw Canvas canvas super.onDraw canvas Draw background. canvas.drawBitmap.. android.graphics.BitmapFactory import android.graphics.Canvas import android.graphics.Matrix import android.graphics.Paint..
Image in Canvas with touch events http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events in Canvas with touch events Seems simple and yet I'm having problems.. import android.content.Context import android.graphics.Canvas import android.graphics.drawable.BitmapDrawable import android.util.AttributeSet.. break return true @Override public void onDraw Canvas canvas super.onDraw canvas canvas.save Log.d DEBUG X mPosX Y..
How to make an ImageView to have rounded corners http://stackoverflow.com/questions/2459916/how-to-make-an-imageview-to-have-rounded-corners Bitmap bitmap int pixels Bitmap output Bitmap.createBitmap bitmap.getWidth bitmap .getHeight Config.ARGB_8888 Canvas canvas new Canvas output final int color 0xff424242 final Paint paint new Paint final Rect rect new Rect 0 0 bitmap.getWidth bitmap.getHeight.. 0 bitmap.getWidth bitmap.getHeight final RectF rectF new RectF rect final float roundPx pixels paint.setAntiAlias true canvas.drawARGB 0 0 0 0 paint.setColor color canvas.drawRoundRect rectF roundPx roundPx paint paint.setXfermode new PorterDuffXfermode.. rectF new RectF rect final float roundPx pixels paint.setAntiAlias true canvas.drawARGB 0 0 0 0 paint.setColor color canvas.drawRoundRect rectF roundPx roundPx paint paint.setXfermode new PorterDuffXfermode Mode.SRC_IN canvas.drawBitmap bitmap..
How to draw a path on a map using kml file? http://stackoverflow.com/questions/3109158/how-to-draw-a-path-on-a-map-using-kml-file void setBitmap Bitmap bitmap this.img bitmap public int getMode return mode @Override public boolean draw Canvas canvas MapView mapView boolean shadow long when Projection projection mapView.getProjection if shadow false Paint paint new Paint.. defaultColor RectF oval new RectF point.x mRadius point.y mRadius point.x mRadius point.y mRadius start point canvas.drawOval oval paint mode 2 #65306 path else if mode 2 if defaultColor 999 paint.setColor Color.RED else paint.setColor.. projection.toPixels gp2 point2 paint.setStrokeWidth 5 paint.setAlpha defaultColor Color.parseColor #6C8715 220 120 canvas.drawLine point.x point.y point2.x point2.y paint mode 3 #65306 end else if mode 3 the last path if defaultColor 999 ..
creating a system overlay (always on top) button in android http://stackoverflow.com/questions/4481226/creating-a-system-overlay-always-on-top-button-in-android 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.. 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.. 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..
How can I use the animation framework inside the canvas? http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas can I use the animation framework inside the canvas I want to use certain animations such as bounce inside my canvas. Is it possible to use the animation interpolators inside.. can I use the animation framework inside the canvas I want to use certain animations such as bounce inside my canvas. Is it possible to use the animation interpolators inside In my case I want to rotate an image from 0 to 180 degrees with.. animation share improve this question The Android animation class applies to objects such as views and layouts. The canvas is just a surface for drawing which is either part of a View or linked to a bitmap. In onDraw in a custom view only one..
Why retrieving Google Directions for Android using KML data is not working anymore? [duplicate] http://stackoverflow.com/questions/11745314/why-retrieving-google-directions-for-android-using-kml-data-is-not-working-anymo colour defaultColour path new Path p new Point paint new Paint @Override public final void draw final Canvas c final MapView mv final boolean shadow super.draw c mv shadow paint.setColor colour paint.setAlpha ALPHA paint.setAntiAlias..
Vertical (rotated) label in Android http://stackoverflow.com/questions/1258275/vertical-rotated-label-in-android protected boolean setFrame int l int t int r int b return super.setFrame l t l b t t r l @Override public void draw Canvas canvas if topDown canvas.translate getHeight 0 canvas.rotate 90 else canvas.translate 0 getWidth canvas.rotate 90 canvas.clipRect.. widthMeasureSpec setMeasuredDimension getMeasuredHeight getMeasuredWidth @Override protected void onDraw Canvas canvas TextPaint textPaint getPaint textPaint.setColor getCurrentTextColor textPaint.drawableState getDrawableState canvas.save..
Scrollview vertical and horizontal in android http://stackoverflow.com/questions/2044775/scrollview-vertical-and-horizontal-in-android Horizontal ScrollView but nothing works like I want it to because it only implements vertical or horizontal scrolling. Canvas is not my solution because I need to attach listeners in someones child elements. What can I do android scrollview share..
android ellipsize multiline textview http://stackoverflow.com/questions/2160619/android-ellipsize-multiline-textview useful myself. import java.util.ArrayList import java.util.List import android.content.Context import android.graphics.Canvas import android.text.Layout import android.text.Layout.Alignment import android.text.StaticLayout import android.text.TextUtils.TruncateAt.. text start before after if programmaticChange fullText text.toString isStale true @Override protected void onDraw Canvas canvas if isStale super.setEllipsize null resetText super.onDraw canvas private void resetText int maxLines getMaxLines..
How to make an ImageView to have rounded corners http://stackoverflow.com/questions/2459916/how-to-make-an-imageview-to-have-rounded-corners image. Final code looks like this package com.company.app.utils import android.graphics.Bitmap import android.graphics.Canvas import android.graphics.Paint import android.graphics.PorterDuffXfermode import android.graphics.Rect import android.graphics.RectF.. Bitmap bitmap int pixels Bitmap output Bitmap.createBitmap bitmap.getWidth bitmap .getHeight Config.ARGB_8888 Canvas canvas new Canvas output final int color 0xff424242 final Paint paint new Paint final Rect rect new Rect 0 0 bitmap.getWidth.. int pixels Bitmap output Bitmap.createBitmap bitmap.getWidth bitmap .getHeight Config.ARGB_8888 Canvas canvas new Canvas output final int color 0xff424242 final Paint paint new Paint final Rect rect new Rect 0 0 bitmap.getWidth bitmap.getHeight..
How to draw a path on a map using kml file? http://stackoverflow.com/questions/3109158/how-to-draw-a-path-on-a-map-using-kml-file RouteOverlay class package com.myapp.android.activity.map.nav import android.graphics.Bitmap import android.graphics.Canvas import android.graphics.Color import android.graphics.Paint import android.graphics.Point import android.graphics.RectF.. t public void setBitmap Bitmap bitmap this.img bitmap public int getMode return mode @Override public boolean draw Canvas canvas MapView mapView boolean shadow long when Projection projection mapView.getProjection if shadow false Paint paint..
http://stackoverflow.com/questions/3205191/android-and-mjpeg import java.io.IOException import android.content.Context import android.graphics.Bitmap import android.graphics.Canvas import android.graphics.Color import android.graphics.Paint import android.graphics.PorterDuff import android.graphics.PorterDuffXfermode.. b int bwidth b.width 2 int bheight b.height 2 Bitmap bm Bitmap.createBitmap bwidth bheight Bitmap.Config.ARGB_8888 Canvas c new Canvas bm p.setColor overlayBackgroundColor c.drawRect 0 0 bwidth bheight p p.setColor overlayTextColor c.drawText.. b.width 2 int bheight b.height 2 Bitmap bm Bitmap.createBitmap bwidth bheight Bitmap.Config.ARGB_8888 Canvas c new Canvas bm p.setColor overlayBackgroundColor c.drawRect 0 0 bwidth bheight p p.setColor overlayTextColor c.drawText text b.left..
http://stackoverflow.com/questions/3616676/how-to-draw-a-line-in-android which form a cross on the top left of the screen DrawView.java import android.content.Context import android.graphics.Canvas import android.graphics.Color import android.graphics.Paint import android.view.View public class DrawView extends View.. paint new Paint public DrawView Context context super context paint.setColor Color.BLACK @Override public void onDraw Canvas canvas canvas.drawLine 0 0 20 20 paint canvas.drawLine 20 0 0 20 paint The activity to start it StartDraw.java import..
Custom ImageView with drop shadow http://stackoverflow.com/questions/3693234/custom-imageview-with-drop-shadow out. Here's what I have so far package com.pockdroid.sandbox import android.content.Context import android.graphics.Canvas import android.graphics.Color import android.graphics.Paint import android.graphics.Rect import android.widget.ImageView.. mPaint new Paint mPaint.setAntiAlias true mPaint.setShadowLayer 2f 1f 1f Color.BLACK @Override protected void onDraw Canvas canvas Rect r mRect Paint paint mPaint canvas.drawRect r paint super.onDraw canvas @Override protected void onMeasure int.. the shadow directly to my bitmap's transparency though so I'm still working on that. @Override protected void onDraw Canvas canvas Bitmap bmp BitmapFactory.decodeResource getResources R.drawable.omen Paint paint new Paint paint.setAntiAlias true..
creating a system overlay (always on top) button in android http://stackoverflow.com/questions/4481226/creating-a-system-overlay-always-on-top-button-in-android 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..
How can I use the animation framework inside the canvas? http://stackoverflow.com/questions/4938822/how-can-i-use-the-animation-framework-inside-the-canvas android.content.Context import android.graphics.Bitmap import android.graphics.BitmapFactory import android.graphics.Canvas import android.os.Bundle import android.text.format.Time import android.view.View public class StartActivity extends Activity.. the screen. X int screenW 2 ballW 2 Centre ball into the centre of the screen. Y initialY @Override public void onDraw Canvas canvas super.onDraw canvas Draw background. canvas.drawBitmap bgr 0 0 null Compute roughly ball speed and location. Y int.. android.content.Context import android.graphics.Bitmap import android.graphics.BitmapFactory import android.graphics.Canvas import android.graphics.Matrix import android.graphics.Paint import android.graphics.Rect import android.os.Bundle import..
Image in Canvas with touch events http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events in Canvas with touch events Seems simple and yet I'm having problems with implementation. I want a canvas with image on screen including.. ontouchlistener share improve this question You can use this import android.content.Context import android.graphics.Canvas import android.graphics.drawable.BitmapDrawable import android.util.AttributeSet import android.util.Log import android.view.MotionEvent.. newPointerIndex mActivePointerId ev.getPointerId newPointerIndex break return true @Override public void onDraw Canvas canvas super.onDraw canvas canvas.save Log.d DEBUG X mPosX Y mPosY canvas.translate mPosX mPosY canvas.scale mScaleFactor..
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