Forum, nested discussions front end UI/UX, rev 2

briar-android/src/org/briarproject/android/util/BriarRecyclerView.java

@@ -1,6 +1,7 @@
 package org.briarproject.android.util;
 
 import android.content.Context;
+import android.content.res.TypedArray;
 import android.os.Build;
 import android.support.v7.widget.RecyclerView;
 import android.util.AttributeSet;
@@ -18,6 +19,7 @@ public class BriarRecyclerView extends FrameLayout {
 	private TextView emptyView;
 	private ProgressBar progressBar;
 	private RecyclerView.AdapterDataObserver emptyObserver;
+	private boolean isScrollingToEnd = false;
 
 	public BriarRecyclerView(Context context) {
 		super(context);
@@ -25,6 +27,11 @@ public class BriarRecyclerView extends FrameLayout {
 
 	public BriarRecyclerView(Context context, AttributeSet attrs) {
 		super(context, attrs);
+
+		TypedArray attributes = context.obtainStyledAttributes(attrs,
+				R.styleable.BriarRecyclerView);
+		isScrollingToEnd = attributes
+				.getBoolean(R.styleable.BriarRecyclerView_scrollToEnd, true);
 	}
 
 	public BriarRecyclerView(Context context, AttributeSet attrs,
@@ -44,7 +51,7 @@ public class BriarRecyclerView extends FrameLayout {
 		showProgressBar();
 
 		// scroll down when opening keyboard
-		if (Build.VERSION.SDK_INT >= 11) {
+		if (isScrollingToEnd && Build.VERSION.SDK_INT >= 11) {
 			recyclerView.addOnLayoutChangeListener(
 					new View.OnLayoutChangeListener() {
 						@Override

briar-android/src/org/briarproject/android/util/CustomAnimations.java

@@ -1,11 +1,16 @@
 package org.briarproject.android.util;
 
 import android.animation.Animator;
+import android.animation.ArgbEvaluator;
 import android.animation.ValueAnimator;
 import android.annotation.SuppressLint;
+import android.graphics.drawable.ColorDrawable;
 import android.os.Build;
+import android.view.View;
 import android.view.ViewGroup;
 
+import org.briarproject.android.controller.handler.ResultHandler;
+
 import static android.view.View.GONE;
 import static android.view.View.MeasureSpec.UNSPECIFIED;
 import static android.view.View.VISIBLE;
@@ -21,6 +26,49 @@ public class CustomAnimations {
 		}
 	}
 
+	@SuppressLint("NewApi")
+	public static void animateColorTransition(final View view, int color,
+			int duration, final ResultHandler<Void> finishedCallback) {
+		// No soup for Gingerbread
+		if (Build.VERSION.SDK_INT < 11) {
+			return;
+		}
+		ValueAnimator anim = new ValueAnimator();
+		ColorDrawable viewColor = (ColorDrawable) view.getBackground();
+		anim.setIntValues(viewColor.getColor(), color);
+		anim.setEvaluator(new ArgbEvaluator());
+		anim.addListener(new Animator.AnimatorListener() {
+			@Override
+			public void onAnimationStart(Animator animation) {
+
+			}
+
+			@Override
+			public void onAnimationEnd(Animator animation) {
+				if (finishedCallback != null) finishedCallback.onResult(null);
+			}
+
+			@Override
+			public void onAnimationCancel(Animator animation) {
+
+			}
+
+			@Override
+			public void onAnimationRepeat(Animator animation) {
+
+			}
+		});
+		anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+			@Override
+			public void onAnimationUpdate(ValueAnimator valueAnimator) {
+				view.setBackgroundColor((Integer)valueAnimator.getAnimatedValue());
+			}
+		});
+		anim.setDuration(duration);
+
+		anim.start();
+	}
+
 	private static void animateHeightGingerbread(ViewGroup viewGroup,
 			boolean isExtending) {
 		// No animations for Gingerbread