1b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford/* 2b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * Copyright (C) 2015 The Android Open Source Project 3b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * 4b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * Licensed under the Apache License, Version 2.0 (the "License"); 5b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * you may not use this file except in compliance with the License. 6b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * You may obtain a copy of the License at 7b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * 8b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * http://www.apache.org/licenses/LICENSE-2.0 9b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * 10b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * Unless required by applicable law or agreed to in writing, software 11b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * distributed under the License is distributed on an "AS IS" BASIS, 12b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * See the License for the specific language governing permissions and 14b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * limitations under the License. 15b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford */ 16b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 17b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehofordpackage com.android.example.cannylive; 18b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 19b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehofordimport android.content.Context; 20b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehofordimport android.graphics.Canvas; 21b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehofordimport android.util.AttributeSet; 22b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehofordimport android.view.MotionEvent; 23b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehofordimport android.widget.SeekBar; 24b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 25b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford/** 26b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford * Class to create a vertical slider 27b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford */ 28b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehofordpublic class VerticalSeekBar extends SeekBar { 29b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 30b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford public VerticalSeekBar(Context context) { 31b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford super(context); 32b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford } 33b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 34b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford public VerticalSeekBar(Context context, AttributeSet attrs, int defStyle) { 35b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford super(context, attrs, defStyle); 36b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford } 37b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 38b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford public VerticalSeekBar(Context context, AttributeSet attrs) { 39b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford super(context, attrs); 40b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford } 41b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 42b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford protected void onSizeChanged(int w, int h, int oldw, int oldh) { 43b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford super.onSizeChanged(h, w, oldh, oldw); 44b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford } 45b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 46b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford @Override 47b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford protected synchronized void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 48b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford super.onMeasure(heightMeasureSpec, widthMeasureSpec); 49b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford setMeasuredDimension(getMeasuredHeight(), getMeasuredWidth()); 50b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford } 51b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 52b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford protected void onDraw(Canvas c) { 53b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford c.rotate(-90); 54b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford c.translate(-getHeight(), 0); 55b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 56b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford super.onDraw(c); 57b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford } 58b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 59b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford @Override 60b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford public boolean onTouchEvent(MotionEvent event) { 61b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford if (!isEnabled()) { 62b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford return false; 63b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford } 64b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 65b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford switch (event.getAction()) { 66b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford case MotionEvent.ACTION_DOWN: 67b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford case MotionEvent.ACTION_MOVE: 68b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford case MotionEvent.ACTION_UP: 69b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford setProgress(getMax() - (int) (getMax() * event.getY() / getHeight())); 70b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford onSizeChanged(getWidth(), getHeight(), 0, 0); 71b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford break; 72b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford 73b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford case MotionEvent.ACTION_CANCEL: 74b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford break; 75b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford } 76b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford return true; 77b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford } 78b7a6edcb8646d1ef4a090769c1ed53f273d89e6ehoford} 79