Introduce and use CardView and AuthorView for Blog Posts

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

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+package org.briarproject.android.util;
+
+import android.content.Context;
+import android.graphics.Color;
+import android.graphics.drawable.Drawable;
+import android.support.v4.content.ContextCompat;
+import android.support.v7.widget.AppCompatTextView;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.widget.FrameLayout;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+
+import org.briarproject.R;
+import org.briarproject.api.identity.Author;
+import org.briarproject.api.identity.Author.Status;
+
+import de.hdodenhof.circleimageview.CircleImageView;
+import im.delight.android.identicons.IdenticonDrawable;
+
+public class AuthorView extends RelativeLayout {
+
+	private final CircleImageView avatar;
+	private final TextView authorName;
+	private final TextView date;
+	private final TrustIndicatorView trustIndicator;
+
+	public AuthorView(Context context, AttributeSet attrs) {
+		super(context, attrs);
+
+		LayoutInflater inflater = (LayoutInflater) context
+				.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+		inflater
+				.inflate(R.layout.author_view, this, true);
+
+		avatar = (CircleImageView) findViewById(R.id.avatar);
+		authorName = (TextView) findViewById(R.id.authorName);
+		date = (TextView) findViewById(R.id.dateView);
+		trustIndicator = (TrustIndicatorView) findViewById(R.id.trustIndicator);
+	}
+
+	public AuthorView(Context context) {
+		this(context, null);
+	}
+
+	public void setAuthor(Author author) {
+		authorName.setText(author.getName());
+		IdenticonDrawable d = new IdenticonDrawable(author.getId().getBytes());
+		avatar.setImageDrawable(d);
+	}
+
+	public void setAuthorStatus(Status status) {
+		trustIndicator.setTrustLevel(status);
+	}
+
+	public void setDate(long date) {
+		this.date.setText(AndroidUtils.formatDate(getContext(), date));
+	}
+
+}