Java tutorial
/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing permissions and limitations under * the License. */ package android.support.v17.leanback.supportleanbackshowcase.cards; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.support.v17.leanback.supportleanbackshowcase.R; import android.support.v17.leanback.supportleanbackshowcase.models.Card; import android.support.v17.leanback.widget.BaseCardView; import android.support.v4.graphics.drawable.RoundedBitmapDrawable; import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory; import android.view.LayoutInflater; import android.view.View; import android.widget.ImageView; import android.widget.TextView; public class CharacterCardView extends BaseCardView { public CharacterCardView(Context context) { super(context, null, R.style.CharacterCardStyle); LayoutInflater.from(getContext()).inflate(R.layout.character_card, this); setOnFocusChangeListener(new View.OnFocusChangeListener() { @Override public void onFocusChange(View v, boolean hasFocus) { ImageView mainImage = (ImageView) findViewById(R.id.main_image); View container = findViewById(R.id.container); if (hasFocus) { container.setBackgroundResource(R.drawable.character_focused); mainImage.setBackgroundResource(R.drawable.character_focused); } else { container.setBackgroundResource(R.drawable.character_not_focused_padding); mainImage.setBackgroundResource(R.drawable.character_not_focused); } } }); setFocusable(true); } public void updateUi(Card card) { TextView primaryText = (TextView) findViewById(R.id.primary_text); final ImageView imageView = (ImageView) findViewById(R.id.main_image); primaryText.setText(card.getTitle()); if (card.getLocalImageResourceName() != null) { int resourceId = card.getLocalImageResourceId(getContext()); Bitmap bitmap = BitmapFactory.decodeResource(getContext().getResources(), resourceId); RoundedBitmapDrawable drawable = RoundedBitmapDrawableFactory.create(getContext().getResources(), bitmap); drawable.setAntiAlias(true); drawable.setCornerRadius(Math.max(bitmap.getWidth(), bitmap.getHeight()) / 2.0f); imageView.setImageDrawable(drawable); } } }