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Ich benutze this library, um den Bereich unter meinem Layout in Android zu verwischen. Ich bekomme stackoverflowerror und Aktivität stürzt ab, wenn die Unschärfeansicht aufgerufen wird. Bitte helfen Sie. Danke. Hierjava.lang.StackOverflowError: Stackgröße 8MB
ist der Code mit logcat
BlurringView Aktivität
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.support.v8.renderscript.Allocation;
import android.support.v8.renderscript.Element;
import android.support.v8.renderscript.RenderScript;
import android.support.v8.renderscript.ScriptIntrinsicBlur;
import android.util.AttributeSet;
import android.view.View;
/**
* A custom view for presenting a dynamically blurred version of another view's content.
* <p/>
* Use {@link #setBlurredView(android.view.View)} to set up the reference to the view to be blurred.
* After that, call {@link #invalidate()} to trigger blurring whenever necessary.
*/
public class BlurringView extends View {
public BlurringView(Context context) {
this(context, null);
}
public BlurringView(Context context, AttributeSet attrs) {
super(context, attrs);
final Resources res = getResources();
final int defaultBlurRadius = res.getInteger(R.integer.default_blur_radius);
final int defaultDownsampleFactor = res.getInteger(R.integer.default_downsample_factor);
final int defaultOverlayColor = res.getColor(R.color.default_overlay_color);
initializeRenderScript(context);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PxBlurringView);
setBlurRadius(a.getInt(R.styleable.PxBlurringView_blurRadius, defaultBlurRadius));
setDownsampleFactor(a.getInt(R.styleable.PxBlurringView_downsampleFactor,
defaultDownsampleFactor));
setOverlayColor(a.getColor(R.styleable.PxBlurringView_overlayColor, defaultOverlayColor));
a.recycle();
}
public void setBlurredView(View blurredView) {
mBlurredView = blurredView;
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (mBlurredView != null) {
if (prepare()) {
// If the background of the blurred view is a color drawable, we use it to clear
// the blurring canvas, which ensures that edges of the child views are blurred
// as well; otherwise we clear the blurring canvas with a transparent color.
if (mBlurredView.getBackground() != null && mBlurredView.getBackground() instanceof ColorDrawable) {
mBitmapToBlur.eraseColor(((ColorDrawable) mBlurredView.getBackground()).getColor());
} else {
mBitmapToBlur.eraseColor(Color.TRANSPARENT);
}
mBlurredView.draw(mBlurringCanvas);
blur();
mBlurredView.invalidate();
canvas.save();
canvas.translate(mBlurredView.getX() - getX(), mBlurredView.getY() - getY());
canvas.scale(mDownsampleFactor, mDownsampleFactor);
canvas.drawBitmap(mBlurredBitmap, 0, 0, null);
canvas.restore();
}
canvas.drawColor(mOverlayColor);
}
}
public void setBlurRadius(int radius) {
mBlurScript.setRadius(radius);
}
public void setDownsampleFactor(int factor) {
if (factor <= 0) {
throw new IllegalArgumentException("Downsample factor must be greater than 0.");
}
if (mDownsampleFactor != factor) {
mDownsampleFactor = factor;
mDownsampleFactorChanged = true;
}
}
public void setOverlayColor(int color) {
mOverlayColor = color;
}
private void initializeRenderScript(Context context) {
mRenderScript = RenderScript.create(context);
mBlurScript = ScriptIntrinsicBlur.create(mRenderScript, Element.U8_4(mRenderScript));
}
protected boolean prepare() {
final int width = mBlurredView.getWidth();
final int height = mBlurredView.getHeight();
if (mBlurringCanvas == null || mDownsampleFactorChanged
|| mBlurredViewWidth != width || mBlurredViewHeight != height) {
mDownsampleFactorChanged = false;
mBlurredViewWidth = width;
mBlurredViewHeight = height;
int scaledWidth = width/mDownsampleFactor;
int scaledHeight = height/mDownsampleFactor;
// The following manipulation is to avoid some RenderScript artifacts at the edge.
scaledWidth = scaledWidth - scaledWidth % 4 + 4;
scaledHeight = scaledHeight - scaledHeight % 4 + 4;
if (mBlurredBitmap == null
|| mBlurredBitmap.getWidth() != scaledWidth
|| mBlurredBitmap.getHeight() != scaledHeight) {
mBitmapToBlur = Bitmap.createBitmap(scaledWidth, scaledHeight,
Bitmap.Config.ARGB_8888);
if (mBitmapToBlur == null) {
return false;
}
mBlurredBitmap = Bitmap.createBitmap(scaledWidth, scaledHeight,
Bitmap.Config.ARGB_8888);
if (mBlurredBitmap == null) {
return false;
}
}
mBlurringCanvas = new Canvas(mBitmapToBlur);
mBlurringCanvas.scale(1f/mDownsampleFactor, 1f/mDownsampleFactor);
mBlurInput = Allocation.createFromBitmap(mRenderScript, mBitmapToBlur,
Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT);
mBlurOutput = Allocation.createTyped(mRenderScript, mBlurInput.getType());
}
return true;
}
protected void blur() {
mBlurInput.copyFrom(mBitmapToBlur);
mBlurScript.setInput(mBlurInput);
mBlurScript.forEach(mBlurOutput);
mBlurOutput.copyTo(mBlurredBitmap);
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
if (mRenderScript != null) {
mRenderScript.destroy();
}
}
private int mDownsampleFactor;
private int mOverlayColor;
private View mBlurredView;
private int mBlurredViewWidth, mBlurredViewHeight;
private boolean mDownsampleFactorChanged;
private Bitmap mBitmapToBlur, mBlurredBitmap;
private Canvas mBlurringCanvas;
private RenderScript mRenderScript;
private ScriptIntrinsicBlur mBlurScript;
private Allocation mBlurInput, mBlurOutput;
}
MyActivity Klasse
BlurringView blurringView = (BlurringView) addView.findViewById(R.id.circle);
blurringView.setBlurredView(blurringView);
blurringView.invalidate();
Logcat Fehler
E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.user.designsample, PID: 19998 java.lang.StackOverflowError: stack size 8MB at android.graphics.Canvas.drawOval(Canvas.java:1155) at android.graphics.Canvas.drawOval(Canvas.java:1147) at android.graphics.drawable.GradientDrawable.draw(GradientDrawable.java:615) at android.view.View.drawBackground(View.java:16376) at android.view.View.draw(View.java:16175) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundredpx.android.blur.BlurringView.onDraw(BlurringView.java:65) at android.view.View.draw(View.java:16184) at com.fivehundred 05-05 23:16:31.323 19998-19998/com.example.user.humandesignsample E/JavaBinder: !!! FAILED BINDER TRANSACTION !!! (parcel size = 6333780) 05-05 23:16:31.361 19998-19998/com.example.user.humandesignsample E/AndroidRuntime: Error reporting crash android.os.TransactionTooLargeException: data parcel size 6333780 bytes at android.os.BinderProxy.transactNative(Native Method) at android.os.BinderProxy.transact(Binder.java:503) at android.app.ActivityManagerProxy.handleApplicationCrash(ActivityManagerNative.java:4425) at com.android.internal.os.RuntimeInit$UncaughtHandler.uncaughtException(RuntimeInit.java:90) at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:693) at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:690)
Offensichtlich BlurringView sich nicht verwischen kann ... – Selvin