Animation stops abruptly about weatherview HOT 12 CLOSED

@magneticflux-
The 1.1.2 confetti library release contains the pull request you opened time ago. Can you merge it and add the missing code?

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@aboutgaurav
Thank you for being interested in WeatherView library.
I will investigate about this strange bug. Can you provide me your code?

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@MatteoBattilana Thank you for quick response.

Snippet for screenshot:

      for(int i = 0; i < 12; i++) {

        frameLayout.setDrawingCacheEnabled(true)
        Bitmap bm = frameLayout.getDrawingCache();
        try {
            File file = new File(Environment.getExternalStorageDirectory().getPath() + 
            "/Cread/Short/short_pic" + i + ".jpg");
            file.getParentFile().mkdirs();

            if (!file.exists()) {
                try {
                    file.createNewFile();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            FileOutputStream out = new FileOutputStream(file);
            bm.compress(Bitmap.CompressFormat.JPEG, 85, out);
            out.close();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        //Disable drawing cache
        frameLayout.setDrawingCacheEnabled(false);
    }

Code for Snow and Rain animation:

                    //snow animation
                    whetherView.setWeatherData(PrecipType.SNOW);
                    
                    //rain aniamtion
                    whetherView.setWeatherData(PrecipType.RAIN);

from weatherview.

Facing the same bug. Especially, in rain mode, the rain doesn't appear in screenshots. Works fine in snow mode.

@MatteoBattilana

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@aboutgaurav @AvneeshKhanna
Could you provide the versions of Android, Android Support libraries, and WeatherView you are using?

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Android version: Jelly Bean (4.3.1)
Support Library: 26.1.0
WeatherView : 2.0.3

from weatherview.

I'm unable to reproduce this on an Android 4.3.1 emulator. What model of phone are you using to test?

from weatherview.

Tested on following devices:
-HM 1s xiaomi
-OnePlus 3t
-OnePlus 5

And i am using above mentioned code to take the screenshot.

from weatherview.

I am able to reproduce this behavior. It appears that the motion blur effect is responsible. Because the motion blur effect is based on the previous onDraw call, having it redraw instantly after a previous draw makes the raindrops have 0 length.

I'm working on a better method of rendering the particles with motion information.

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@magneticflux-
Thanks for the effort.
Let me know when you fix this.

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jinatonic/confetti#41 has been merged, so I'll update WeatherView with this fix as soon as they release a version that includes my contributions.

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Thanks

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