Java tutorial
/* * Copyright (C) 2014 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 fi.vtt.moodtracker; import android.content.Context; import android.graphics.drawable.GradientDrawable; import android.support.v4.content.ContextCompat; import android.support.wearable.view.WearableListView; import android.util.AttributeSet; import android.util.TypedValue; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; public class WearableListItemLayout extends LinearLayout implements WearableListView.OnCenterProximityListener { private final float mFadedTextAlpha; private final int mFadedCircleColor; private final int mChosenCircleColor; private ImageView mCircle; private TextView mName; private TextView mEmoji; public WearableListItemLayout(Context context) { this(context, null); } public WearableListItemLayout(Context context, AttributeSet attrs) { this(context, attrs, 0); } public WearableListItemLayout(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); mFadedTextAlpha = getResources().getInteger(R.integer.action_text_faded_alpha) / 100f; mFadedCircleColor = ContextCompat.getColor(context, R.color.wl_gray); mChosenCircleColor = ContextCompat.getColor(context, R.color.wl_blue); } @Override protected void onFinishInflate() { super.onFinishInflate(); mCircle = (ImageView) findViewById(R.id.circle); mEmoji = (TextView) findViewById(R.id.listemoji); mName = (TextView) findViewById(R.id.name); } @Override public void onCenterPosition(boolean animate) { mEmoji.setAlpha(1f); mEmoji.setTextSize(TypedValue.COMPLEX_UNIT_SP, 40); mName.setAlpha(1f); mName.setTextSize(TypedValue.COMPLEX_UNIT_SP, 20); ((GradientDrawable) mCircle.getDrawable()).setColor(mChosenCircleColor); } @Override public void onNonCenterPosition(boolean animate) { ((GradientDrawable) mCircle.getDrawable()).setColor(mFadedCircleColor); mName.setAlpha(mFadedTextAlpha); mEmoji.setAlpha(mFadedTextAlpha); mEmoji.setTextSize(TypedValue.COMPLEX_UNIT_SP, 30); mName.setTextSize(TypedValue.COMPLEX_UNIT_SP, 18); } }