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POAndroid is trying to use recycled image
 

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  1. POAndroid is trying to use recycled image
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    <p>I'm getting </p> <blockquote> <p>Canvas: trying to use a recycled bitmap android.graphics.Bitmap@4057a3a8</p> </blockquote> <p>everytime i'm trying to show one image. <a href="http://postimage.org/image/mjm31felt/" rel="nofollow">Image</a></p> <p>When i delete bmp.recycle() everything goes well but i dont use this image in my code so i dont understand where the problem is.</p> <pre><code>package com.example.photobooth; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import android.os.Bundle; import android.os.Environment; import android.app.Activity; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Rect; import android.util.DisplayMetrics; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnTouchListener; import android.view.Window; import android.view.WindowManager; import android.widget.Button; import android.widget.ImageView; public class EditorActivity extends Activity implements OnClickListener{ String path = null; private int screen_height; private int screen_width; private Bitmap setUpImage(Bitmap image) { int min_side = Math.min(screen_height, screen_width); float scale_factor = (float) (((float) min_side / image.getWidth()) * 1.5); float[] scalef = { scale_factor, scale_factor }; Bitmap scaled_image = ImageUtilities.scaleImage(image, scalef); return scaled_image; } private void setUp() { Bundle b = getIntent().getExtras(); if (b != null) { path = b.getString("path"); } DisplayMetrics metrics = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(metrics); this.screen_height = metrics.heightPixels; this.screen_width = metrics.widthPixels; int min_measure = Math.min(screen_width, screen_height); // Make ImageView square ImageView img = (ImageView) findViewById(R.id.photo_holder); android.view.ViewGroup.LayoutParams lp = img.getLayoutParams(); lp.height = min_measure; img.setLayoutParams(lp); Bitmap bmp = BitmapFactory.decodeFile(path); final Bitmap ready_image = setUpImage(bmp); bmp.recycle(); ImageView iv = (ImageView) findViewById(R.id.photo_holder); iv.setImageBitmap(ready_image); // set up touch event for imageview(photo_holder) img.setOnTouchListener(new OnTouchListener() { float touch_x, touch_y, scrolled_x = 0.0f, scrolled_y = 0.0f; public boolean onTouch(View v, MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: touch_x = event.getX(); touch_y = event.getY(); break; case MotionEvent.ACTION_MOVE: float cur_x = event.getX(); float cur_y = event.getY(); float scroll_x = -cur_x + touch_x; float scroll_y = -cur_y + touch_y; scrolled_x += scroll_x; scrolled_y += scroll_y; if (scrolled_x &gt; (ready_image.getWidth() - screen_width)/2 || scrolled_x &lt; -(ready_image.getWidth() - screen_width)/2){ scrolled_x -= scroll_x; scroll_x = 0; } if (scrolled_y &gt; (ready_image.getHeight() - screen_width)/2 || scrolled_y &lt; -(ready_image.getHeight() - screen_width)/2){ scrolled_y -= scroll_y; scroll_y = 0; } v.scrollBy((int) (scroll_x), (int) (scroll_y)); touch_x = cur_x; touch_y = cur_y; break; } return true; } }); //Set up buttons Button btn = (Button)findViewById(R.id.save); btn.setOnClickListener(new OnClickListener() { public void onClick(View v) { ImageView img = (ImageView)findViewById(R.id.photo_holder); int scroll_x = img.getScrollX(); int scroll_y = img.getScrollY(); int left = (ready_image.getWidth() - screen_width)/2 + scroll_x; int top = (ready_image.getHeight() - screen_width)/2 + scroll_y; int right = left + screen_width; int bottom = top + screen_width; Rect r = new Rect(left, top, right, bottom); Bitmap croped_image = ImageUtilities.cropImage(ready_image, r, screen_width, screen_width); String path_to_folder = Environment.getExternalStorageDirectory() .getAbsolutePath(); String pic_path = path_to_folder + File.separator + MainActivity.app_name; File f = new File(pic_path); File picture = null; try { picture = File.createTempFile("photo_", ".jpg", f); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } try { FileOutputStream fos = new FileOutputStream(picture); croped_image.compress(Bitmap.CompressFormat.JPEG, 100, fos); fos.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (requestWindowFeature(Window.FEATURE_NO_TITLE)) getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); setContentView(R.layout.activity_editor); setUp(); } public void onClick(View v) { // TODO Auto-generated method stub } } </code></pre> <p>bmp is recycled in setUp() method.</p> <p>ImageUtility is</p> <pre><code>package com.example.photobooth; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Bitmap.Config; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Matrix; import android.graphics.Paint; import android.graphics.PorterDuff.Mode; import android.graphics.PorterDuffXfermode; import android.graphics.Rect; import android.graphics.RectF; public class ImageUtilities { public static Bitmap getRoundedCornerBitmap(Context context, Bitmap input, int pixels, int w, int h, boolean squareTL, boolean squareTR, boolean squareBL, boolean squareBR, boolean border) { Bitmap output = Bitmap.createBitmap(w, h, Config.ARGB_8888); Canvas canvas = new Canvas(output); final float densityMultiplier = context.getResources() .getDisplayMetrics().density; final int color = 0xff424242; final Paint paint = new Paint(); final Rect rect = new Rect(0, 0, w, h); final RectF rectF = new RectF(rect); // make sure that our rounded corner is scaled appropriately final float roundPx = pixels * densityMultiplier; paint.setAntiAlias(true); canvas.drawARGB(0, 0, 0, 0); paint.setColor(color); canvas.drawRoundRect(rectF, roundPx, roundPx, paint); // draw rectangles over the corners we want to be square if (squareTL) { canvas.drawRect(0, 0, w / 2, h / 2, paint); } if (squareTR) { canvas.drawRect(w / 2, 0, w, h / 2, paint); } if (squareBL) { canvas.drawRect(0, h / 2, w / 2, h, paint); } if (squareBR) { canvas.drawRect(w / 2, h / 2, w, h, paint); } paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN)); canvas.drawBitmap(input, 0, 0, paint); if (border) { paint.setStyle(Paint.Style.STROKE); paint.setColor(Color.WHITE); paint.setStrokeWidth(3); canvas.drawRoundRect(rectF, roundPx, roundPx, paint); } return output; } public static Bitmap cropImage(Bitmap origina_bmp, Rect rec, int w, int h) { Bitmap target_bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); target_bitmap.setDensity(origina_bmp.getDensity()); Canvas canvas = new Canvas(target_bitmap); canvas.drawBitmap(origina_bmp, new Rect(rec.left, rec.top, rec.right, rec.bottom), new Rect(0, 0, w, h), null); return target_bitmap; } public static Bitmap makeSquareImage(Bitmap original_image, int size){ int min_side = Math.min(original_image.getWidth(), original_image.getHeight()); int side_size = ImageUtilities.get2del(min_side); int crop_to; Bitmap croped_image = null; if (min_side == original_image.getWidth()){ crop_to = (original_image.getHeight() - side_size) / 2; croped_image = ImageUtilities.cropImage(original_image, new Rect( 0, crop_to, original_image.getWidth(), original_image.getHeight() - crop_to), size, size); }else{ crop_to = (original_image.getWidth() - side_size) / 2; croped_image = ImageUtilities.cropImage(original_image, new Rect( crop_to, 0, original_image.getWidth() - crop_to, original_image.getHeight()), size, size); } return croped_image; } public static int get2del(int num) { while (num % 2 != 0) num++; return num; } public static Bitmap scaleImage(Bitmap originalBMP, float[] scaleFactor) { Matrix scaleMat = new Matrix(); scaleMat.postScale(scaleFactor[0], scaleFactor[1]); Bitmap scaledImage = Bitmap.createBitmap(originalBMP, 0, 0, originalBMP.getWidth(), originalBMP.getHeight(), scaleMat, false); return scaledImage; } } </code></pre> <p>so it doesn't. If i write bmp = null instead of bmp.recycle() everything is ok but i wonder why in the second chance application is crashed.</p>
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