Use support.v7.palette to get header tint
Todo in later cls:
-save the extracted tint, so we don't have unnecessary delay
when returning from the edit screen
-animate the change of tint color. This matters for tablet
and after the photo changes.
Change-Id: I11685c1489a5c7b49f46c250033f4f303b076ef6
diff --git a/Android.mk b/Android.mk
index 95ac2f3..a9cc38f 100644
--- a/Android.mk
+++ b/Android.mk
@@ -22,6 +22,7 @@
android-common \
guava \
android-support-v13 \
+ android-support-v7-palette \
android-support-v4 \
android-ex-variablespeed \
libphonenumber \
diff --git a/src/com/android/contacts/quickcontact/QuickContactActivity.java b/src/com/android/contacts/quickcontact/QuickContactActivity.java
index 11b274b..2ff34e1 100644
--- a/src/com/android/contacts/quickcontact/QuickContactActivity.java
+++ b/src/com/android/contacts/quickcontact/QuickContactActivity.java
@@ -24,7 +24,12 @@
import android.content.Intent;
import android.content.Loader;
import android.content.pm.PackageManager;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
import android.net.Uri;
+import android.os.AsyncTask;
import android.os.Bundle;
import android.provider.ContactsContract.CommonDataKinds.Email;
import android.provider.ContactsContract.CommonDataKinds.Phone;
@@ -37,13 +42,12 @@
import android.provider.ContactsContract.Directory;
import android.provider.ContactsContract.QuickContact;
import android.provider.ContactsContract.RawContacts;
+import android.support.v7.graphics.Palette;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
-import android.view.animation.AccelerateDecelerateInterpolator;
-import android.view.animation.Interpolator;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
@@ -51,6 +55,7 @@
import com.android.contacts.ContactSaveService;
import com.android.contacts.common.Collapser;
import com.android.contacts.R;
+import com.android.contacts.common.lettertiles.LetterTileDrawable;
import com.android.contacts.common.model.AccountTypeManager;
import com.android.contacts.common.model.Contact;
import com.android.contacts.common.model.ContactLoader;
@@ -370,6 +375,7 @@
mStopWatch.lap("sph"); // Start photo setting
mPhotoSetter.setupContactPhoto(data, mPhotoView);
+ extractAndApplyTintFromPhotoViewAsynchronously();
mStopWatch.lap("ph"); // Photo set
@@ -465,6 +471,58 @@
}
/**
+ * Asynchronously extract the most vibrant color from the PhotoView. Once extracted,
+ * apply this tint to {@link MultiShrinkScroller}. This operation takes about 20-30ms
+ * on a Nexus 5.
+ */
+ private void extractAndApplyTintFromPhotoViewAsynchronously() {
+ if (mScroller == null) {
+ return;
+ }
+ final Drawable imageViewDrawable = mPhotoView.getDrawable();
+ new AsyncTask<Void, Void, Integer>() {
+ @Override
+ protected Integer doInBackground(Void... params) {
+ final Bitmap bitmap;
+ if (imageViewDrawable instanceof BitmapDrawable) {
+ bitmap = ((BitmapDrawable) imageViewDrawable).getBitmap();
+ } else if (imageViewDrawable instanceof LetterTileDrawable) {
+ // LetterTileDrawable doesn't normally draw unless it is visible. Therefore,
+ // we need to directly ask it for its color via getColor(). We could directly
+ // return this color. However, in the future Palette#generate() may incorporate
+ // saturation boosting. So I want to use Palette#generate() for the sake of
+ // consistency.
+ final LetterTileDrawable tileDrawable = (LetterTileDrawable) imageViewDrawable;
+ final int PALETTE_BITMAP_SIZE = 1;
+ bitmap = Bitmap.createBitmap(PALETTE_BITMAP_SIZE,
+ PALETTE_BITMAP_SIZE, Bitmap.Config.ARGB_8888);
+ final Canvas canvas = new Canvas(bitmap);
+ canvas.drawColor(tileDrawable.getColor());
+ } else {
+ return 0;
+ }
+ // Author of Palette recommends using 24 colors when analyzing profile photos.
+ final int NUMBER_OF_PALETTE_COLORS = 24;
+ final Palette palette = Palette.generate(bitmap, NUMBER_OF_PALETTE_COLORS);
+ if (palette != null && palette.getVibrantColor() != null) {
+ return palette.getVibrantColor().getRgb();
+ } else {
+ return 0;
+ }
+ }
+
+ @Override
+ protected void onPostExecute(Integer color) {
+ super.onPostExecute(color);
+ if (color != 0 && imageViewDrawable == mPhotoView.getDrawable()) {
+ // TODO: animate from the previous tint.
+ mScroller.setHeaderTintColor(color);
+ }
+ }
+ }.execute();
+ }
+
+ /**
* Consider adding the given {@link Action}, which will only happen if
* {@link PackageManager} finds an application to handle
* {@link Action#getIntent()}.
diff --git a/src/com/android/contacts/widget/MultiShrinkScroller.java b/src/com/android/contacts/widget/MultiShrinkScroller.java
index ff5c13f..9df3c61 100644
--- a/src/com/android/contacts/widget/MultiShrinkScroller.java
+++ b/src/com/android/contacts/widget/MultiShrinkScroller.java
@@ -52,6 +52,7 @@
private View mToolbar;
private ImageView mPhotoView;
private MultiShrinkScrollerListener mListener;
+ private int mHeaderTintColor;
private final Scroller mScroller;
private final EdgeEffect mEdgeGlowBottom;
@@ -64,7 +65,6 @@
private final int mElasticScrollOverTopRegion;
private final PorterDuffColorFilter mColorFilter
= new PorterDuffColorFilter(0, PorterDuff.Mode.SRC_ATOP);
- private final int mHeaderTintColor;
public interface MultiShrinkScrollerListener {
void onScrolledOffBottom();
@@ -219,6 +219,11 @@
return true;
}
+ public void setHeaderTintColor(int color) {
+ mHeaderTintColor = color;
+ updatePhotoTint();
+ }
+
private void startDrag() {
mIsBeingDragged = true;
mScroller.abortAnimation();