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Removed all blurred images. New FAB animation when opening now playing. Decreased image loader memory cache size.

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This commit is contained in:
Karim Abou Zeid 2015-10-11 22:56:27 +02:00
commit 1be2260b60
9 changed files with 144 additions and 709 deletions
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app/src/main/java/com/kabouzeid/gramophone/imageloader/BlurProcessor.java
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package com.kabouzeid.gramophone.imageloader;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.support.annotation.FloatRange;
import android.support.annotation.NonNull;
import android.support.v8.renderscript.Allocation;
import android.support.v8.renderscript.Element;
import android.support.v8.renderscript.RSRuntimeException;
import android.support.v8.renderscript.RenderScript;
import android.support.v8.renderscript.ScriptIntrinsicBlur;
import com.kabouzeid.gramophone.BuildConfig;
import com.kabouzeid.gramophone.helper.StackBlur;
import com.kabouzeid.gramophone.util.ImageUtil;
import com.nostra13.universalimageloader.core.process.BitmapProcessor;
/**
* @author Karim Abou Zeid (kabouzeid)
*/
public class BlurProcessor implements BitmapProcessor {
public static final float DEFAULT_BLUR_RADIUS = 5f;
private Context context;
private final float blurRadius;
private final int sampling;
private BlurProcessor(Builder builder) {
this.context = builder.context;
this.blurRadius = builder.blurRadius;
this.sampling = builder.sampling;
}
// Something here seems to cause a memory leak... Go into LeakCanary for more details.
@Override
public Bitmap process(Bitmap bitmap) {
int sampling;
if (this.sampling == 0) {
sampling = ImageUtil.calculateInSampleSize(bitmap.getWidth(), bitmap.getHeight(), 100);
} else {
sampling = this.sampling;
}
int width = bitmap.getWidth();
int height = bitmap.getHeight();
int scaledWidth = width / sampling;
int scaledHeight = height / sampling;
Bitmap out = Bitmap.createBitmap(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(out);
canvas.scale(1 / (float) sampling, 1 / (float) sampling);
Paint paint = new Paint();
paint.setFlags(Paint.FILTER_BITMAP_FLAG);
canvas.drawBitmap(bitmap, 0, 0, paint);
try {
final RenderScript rs = RenderScript.create(context.getApplicationContext());
final Allocation input = Allocation.createFromBitmap(rs, out, Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT);
final Allocation output = Allocation.createTyped(rs, input.getType());
final ScriptIntrinsicBlur script = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
script.setRadius(blurRadius);
script.setInput(input);
script.forEach(output);
output.copyTo(out);
rs.destroy();
return out;
} catch (RSRuntimeException e) {
// on some devices RenderScript.create() throws: android.support.v8.renderscript.RSRuntimeException: Error loading libRSSupport library
if (BuildConfig.DEBUG) e.printStackTrace();
return StackBlur.blur(out, blurRadius);
}
}
public static class Builder {
private Context context;
private float blurRadius = DEFAULT_BLUR_RADIUS;
private int sampling;
public Builder(@NonNull Context context) {
this.context = context;
}
/**
* @param blurRadius The radius to use. Must be between 0 and 25. Default is 5.
* @return the same Builder
*/
public Builder blurRadius(@FloatRange(from = 0.0f, to = 25.0f) float blurRadius) {
this.blurRadius = blurRadius;
return this;
}
/**
* @param sampling The inSampleSize to use. Must be a power of 2, or 1 for no down sampling or 0 for auto detect sampling. Default is 0.
* @return the same Builder
*/
public Builder sampling(int sampling) {
this.sampling = sampling;
return this;
}
public Builder fromPrototype(BlurProcessor prototype) {
context = prototype.context;
blurRadius = prototype.blurRadius;
sampling = prototype.sampling;
return this;
}
public BlurProcessor build() {
return new BlurProcessor(this);
}
}
}