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Code Issues Packages Projects Releases Wiki Activity

DroidFish: Handle screen resize (for example show/hide navigation bar)

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when drawing the tour guide overlay.
This commit is contained in:
Peter Osterlund
2016-01-13 19:14:11 +01:00
parent 5c3180c8bb
commit 630bdacd6c
1 changed files with 19 additions and 40 deletions
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59
DroidFish/src/tourguide/tourguide/FrameLayoutWithHole.java
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@@ -2,18 +2,15 @@ package tourguide.tourguide;
import android.animation.AnimatorSet; import android.animation.AnimatorSet;
import android.app.Activity; import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Canvas; import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint; import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Path.FillType;
import android.graphics.Point; import android.graphics.Point;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.support.v4.view.MotionEventCompat; import android.support.v4.view.MotionEventCompat;
import android.text.TextPaint; import android.text.TextPaint;
import android.util.AttributeSet; import android.util.AttributeSet;
import android.util.Log; import android.util.Log;
import android.view.Display;
import android.view.MotionEvent; import android.view.MotionEvent;
import android.view.View; import android.view.View;
import android.view.ViewGroup; import android.view.ViewGroup;
@@ -28,12 +25,9 @@ public class FrameLayoutWithHole extends FrameLayout {
private TextPaint mTextPaint; private TextPaint mTextPaint;
private Activity mActivity; private Activity mActivity;
private TourGuide.MotionType mMotionType; private TourGuide.MotionType mMotionType;
private Paint mEraser;
Bitmap mEraserBitmap; private Path mPath;
private Canvas mEraserCanvas;
private Paint mPaint; private Paint mPaint;
private Paint transparentPaint;
private View mViewHole; // This is the targeted view to be highlighted, where the hole should be placed private View mViewHole; // This is the targeted view to be highlighted, where the hole should be placed
private int mRadius; private int mRadius;
private int [] mPos; private int [] mPos;
@@ -115,27 +109,10 @@ public class FrameLayoutWithHole extends FrameLayout {
mTextPaint.setFlags(Paint.ANTI_ALIAS_FLAG); mTextPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
mTextPaint.setTextAlign(Paint.Align.LEFT); mTextPaint.setTextAlign(Paint.Align.LEFT);
Point size = new Point(); mPath = new Path();
size.x = mActivity.getResources().getDisplayMetrics().widthPixels;
size.y = mActivity.getResources().getDisplayMetrics().heightPixels;
mEraserBitmap = Bitmap.createBitmap(size.x, size.y, Bitmap.Config.ARGB_8888);
mEraserCanvas = new Canvas(mEraserBitmap);
mPaint = new Paint(); mPaint = new Paint();
mPaint.setColor(0xcc000000); mPaint.setAntiAlias(true);
transparentPaint = new Paint();
transparentPaint.setColor(getResources().getColor(android.R.color.transparent));
transparentPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
mEraser = new Paint();
mEraser.setColor(0xFFFFFFFF);
mEraser.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
mEraser.setFlags(Paint.ANTI_ALIAS_FLAG);
Log.d("tourguide","getHeight: "+ size.y);
Log.d("tourguide","getWidth: " + size.x);
} }
private boolean mCleanUpLock = false; private boolean mCleanUpLock = false;
@@ -168,9 +145,6 @@ public class FrameLayoutWithHole extends FrameLayout {
@Override @Override
protected void onDetachedFromWindow() { protected void onDetachedFromWindow() {
super.onDetachedFromWindow(); super.onDetachedFromWindow();
/* cleanup reference to prevent memory leak */
mEraserCanvas.setBitmap(null);
mEraserBitmap = null;
if (mAnimatorSetArrayList != null && mAnimatorSetArrayList.size() > 0){ if (mAnimatorSetArrayList != null && mAnimatorSetArrayList.size() > 0){
for(int i=0;i<mAnimatorSetArrayList.size();i++){ for(int i=0;i<mAnimatorSetArrayList.size();i++){
@@ -266,19 +240,24 @@ public class FrameLayoutWithHole extends FrameLayout {
@Override @Override
protected void onDraw(Canvas canvas) { protected void onDraw(Canvas canvas) {
super.onDraw(canvas); super.onDraw(canvas);
mEraserBitmap.eraseColor(Color.TRANSPARENT); if (mOverlay != null) {
mPath.rewind();
if (mOverlay!=null) { mPath.addRect(0, 0, canvas.getWidth(), canvas.getHeight(), Path.Direction.CW);
mEraserCanvas.drawColor(mOverlay.mBackgroundColor);
int padding = (int) (10 * mDensity);
if (mOverlay.mStyle == Overlay.Style.Rectangle) { if (mOverlay.mStyle == Overlay.Style.Rectangle) {
mEraserCanvas.drawRect(mPos[0] - padding, mPos[1] - padding, mPos[0] + mViewHole.getWidth() + padding, mPos[1] + mViewHole.getHeight() + padding, mEraser); int padding = (int) (10 * mDensity);
mPath.addRect(mPos[0] - padding, mPos[1] - padding,
mPos[0] + mViewHole.getWidth() + padding,
mPos[1] + mViewHole.getHeight() + padding,
Path.Direction.CCW);
} else { } else {
mEraserCanvas.drawCircle(mPos[0] + mViewHole.getWidth() / 2, mPos[1] + mViewHole.getHeight() / 2, mRadius, mEraser); mPath.addCircle(mPos[0] + mViewHole.getWidth() / 2,
mPos[1] + mViewHole.getHeight() / 2,
mRadius, Path.Direction.CCW);
} }
mPath.setFillType(FillType.WINDING);
mPaint.setColor(mOverlay.mBackgroundColor);
canvas.drawPath(mPath, mPaint);
} }
canvas.drawBitmap(mEraserBitmap, 0, 0, null);
} }
@Override @Override
protected void onAttachedToWindow() { protected void onAttachedToWindow() {