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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.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Path.FillType;
import android.graphics.Point;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.support.v4.view.MotionEventCompat;
import android.text.TextPaint;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Display;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
@ -28,12 +25,9 @@ public class FrameLayoutWithHole extends FrameLayout {
private TextPaint mTextPaint;
private Activity mActivity;
private TourGuide.MotionType mMotionType;
private Paint mEraser;
Bitmap mEraserBitmap;
private Canvas mEraserCanvas;
private Path mPath;
private Paint mPaint;
private Paint transparentPaint;
private View mViewHole; // This is the targeted view to be highlighted, where the hole should be placed
private int mRadius;
private int [] mPos;
@ -115,27 +109,10 @@ public class FrameLayoutWithHole extends FrameLayout {
mTextPaint.setFlags(Paint.ANTI_ALIAS_FLAG);
mTextPaint.setTextAlign(Paint.Align.LEFT);
Point size = new Point();
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);
mPath = new Path();
mPaint = new Paint();
mPaint.setColor(0xcc000000);
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);
mPaint.setAntiAlias(true);
}
private boolean mCleanUpLock = false;
@ -168,9 +145,6 @@ public class FrameLayoutWithHole extends FrameLayout {
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
/* cleanup reference to prevent memory leak */
mEraserCanvas.setBitmap(null);
mEraserBitmap = null;
if (mAnimatorSetArrayList != null && mAnimatorSetArrayList.size() > 0){
for(int i=0;i<mAnimatorSetArrayList.size();i++){
@ -266,19 +240,24 @@ public class FrameLayoutWithHole extends FrameLayout {
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
mEraserBitmap.eraseColor(Color.TRANSPARENT);
if (mOverlay!=null) {
mEraserCanvas.drawColor(mOverlay.mBackgroundColor);
int padding = (int) (10 * mDensity);
if (mOverlay != null) {
mPath.rewind();
mPath.addRect(0, 0, canvas.getWidth(), canvas.getHeight(), Path.Direction.CW);
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 {
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
protected void onAttachedToWindow() {