-
Notifications
You must be signed in to change notification settings - Fork 6
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Move palette/color extraction to AsyncTask and made colors semi-trans…
…parent when not found.
- Loading branch information
Showing
2 changed files
with
104 additions
and
63 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
103 changes: 103 additions & 0 deletions
103
.../main/java/com/tonyw/sampleapps/palettecolorextraction/ExtractPaletteColorsAsyncTask.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| package com.tonyw.sampleapps.palettecolorextraction; | ||
|
|
||
| import android.content.ClipData; | ||
| import android.content.ClipboardManager; | ||
| import android.content.Context; | ||
| import android.graphics.Bitmap; | ||
| import android.graphics.Color; | ||
| import android.graphics.drawable.GradientDrawable; | ||
| import android.os.AsyncTask; | ||
| import android.support.v7.graphics.Palette; | ||
| import android.view.View; | ||
| import android.widget.Toast; | ||
|
|
||
| /** | ||
| * An AsyncTask dedicated to extracting prominent colors from bitmaps and updating them on a card. | ||
| */ | ||
| public class ExtractPaletteColorsAsyncTask extends AsyncTask<Bitmap, Void, Palette> { | ||
| private Context mContext; | ||
| private View mCardView; | ||
|
|
||
| public ExtractPaletteColorsAsyncTask(Context context, View cardView) { | ||
| mContext = context; | ||
| mCardView = cardView; | ||
| } | ||
|
|
||
| @Override | ||
| protected Palette doInBackground(Bitmap... bitmaps) { | ||
| return Palette.generate(bitmaps[0]); | ||
| } | ||
|
|
||
| @Override | ||
| protected void onPostExecute(Palette palette) { | ||
| View vibrantView = mCardView.findViewById(R.id.vibrant); | ||
| int vibrantColor = palette.getVibrantColor(Color.WHITE); | ||
| getGradientDrawable(vibrantView).setColor(vibrantColor); | ||
| boolean colorFound = palette.getVibrantSwatch() != null; | ||
| vibrantView.setTag(colorFound ? vibrantColor : null); // For retrieval when long-clicking. | ||
| vibrantView.setAlpha(colorFound ? 1.0f : 0.26f); | ||
| vibrantView.setOnLongClickListener(mLongClickListener); | ||
|
|
||
| View vibrantDarkView = mCardView.findViewById(R.id.vibrant_dark); | ||
| int vibrantDarkColor = palette.getDarkVibrantColor(Color.WHITE); | ||
| getGradientDrawable(vibrantDarkView).setColor(vibrantDarkColor); | ||
| colorFound = palette.getDarkVibrantSwatch() != null; | ||
| vibrantDarkView.setTag(colorFound ? vibrantDarkColor : null); | ||
| vibrantDarkView.setAlpha(colorFound ? 1.0f : 0.26f); | ||
| vibrantDarkView.setOnLongClickListener(mLongClickListener); | ||
|
|
||
| View vibrantLightView = mCardView.findViewById(R.id.vibrant_light); | ||
| int vibrantLightColor = palette.getLightVibrantColor(Color.WHITE); | ||
| getGradientDrawable(vibrantLightView).setColor(vibrantLightColor); | ||
| colorFound = palette.getLightVibrantSwatch() != null; | ||
| vibrantLightView.setTag(colorFound ? vibrantLightColor : null); | ||
| vibrantLightView.setAlpha(colorFound ? 1.0f : 0.26f); | ||
| vibrantLightView.setOnLongClickListener(mLongClickListener); | ||
|
|
||
| View mutedView = mCardView.findViewById(R.id.muted); | ||
| int mutedColor = palette.getMutedColor(Color.WHITE); | ||
| getGradientDrawable(mutedView).setColor(mutedColor); | ||
| colorFound = palette.getMutedSwatch() != null; | ||
| mutedView.setTag(colorFound ? mutedColor : null); | ||
| mutedView.setAlpha(colorFound ? 1.0f : 0.26f); | ||
| mutedView.setOnLongClickListener(mLongClickListener); | ||
|
|
||
| View mutedDarkView = mCardView.findViewById(R.id.muted_dark); | ||
| int mutedDarkColor = palette.getDarkMutedColor(Color.WHITE); | ||
| getGradientDrawable(mutedDarkView).setColor(mutedDarkColor); | ||
| colorFound = palette.getDarkMutedSwatch() != null; | ||
| mutedDarkView.setTag(colorFound ? mutedDarkColor : null); | ||
| mutedDarkView.setAlpha(colorFound ? 1.0f : 0.26f); | ||
| mutedDarkView.setOnLongClickListener(mLongClickListener); | ||
|
|
||
| View mutedLightView = mCardView.findViewById(R.id.muted_light); | ||
| int mutedLightColor = palette.getLightMutedColor(Color.WHITE); | ||
| getGradientDrawable(mutedLightView).setColor(mutedLightColor); | ||
| colorFound = palette.getLightMutedSwatch() != null; | ||
| mutedLightView.setTag(colorFound ? mutedLightColor : null); | ||
| mutedLightView.setAlpha(colorFound ? 1.0f : 0.26f); | ||
| mutedLightView.setOnLongClickListener(mLongClickListener); | ||
| } | ||
|
|
||
| private GradientDrawable getGradientDrawable(View colorShape) { | ||
| return (GradientDrawable) colorShape.getBackground(); | ||
| } | ||
|
|
||
| private View.OnLongClickListener mLongClickListener = new View.OnLongClickListener() { | ||
| @Override | ||
| public boolean onLongClick(View v) { | ||
| if (v.getTag() == null) { | ||
| Toast.makeText(mContext, "No color available.", Toast.LENGTH_SHORT).show(); | ||
| } else { | ||
| String colorHex = String.format("%06X", (0xFFFFFF & (int) v.getTag())); | ||
| ClipboardManager clipboard = (ClipboardManager) | ||
| mContext.getSystemService(Context.CLIPBOARD_SERVICE); | ||
| ClipData clip = ClipData.newPlainText("Color Hex", colorHex); | ||
| clipboard.setPrimaryClip(clip); | ||
| Toast.makeText(mContext, "Copied color '" + colorHex + "' to clipboard.", | ||
| Toast.LENGTH_SHORT).show(); | ||
| } | ||
| return true; | ||
| } | ||
| }; | ||
| } |