PlayerTouchView.java
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package com.cnlive.gundam.video.view;
/**
* Created by gujun on 2017/4/6.
*/
import android.app.Activity;
import android.content.Context;
import android.databinding.DataBindingUtil;
import android.databinding.ObservableBoolean;
import android.databinding.ObservableInt;
import android.media.AudioManager;
import android.provider.Settings;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.Window;
import android.view.WindowManager;
import android.widget.RelativeLayout;
import com.cnlive.gundam.R;
import com.cnlive.gundam.databinding.LayoutPlayerTouchBinding;
import com.cnlive.gundam.video.utils.DensityUtils;
import com.cnlive.gundam.video.utils.PlayerUtils;
/**
* Created by gujun on 2016/9/7.
*/
public class PlayerTouchView extends RelativeLayout {
private VideoTouchListener l;
//点下时的x坐标
private int downX;
//点下时的y坐标
private int downY;
//左右控制区域的宽度
private int controlAreaWidth;
//是在左边区域滑动
private ObservableBoolean leftArea = new ObservableBoolean();
//是在右边区域滑动
private ObservableBoolean rightArea = new ObservableBoolean();
//声音或亮度进度
private ObservableInt brightnessAndVolumeProgress = new ObservableInt();
//记录当前手势有没有滑动
private boolean isMove = false;
//判定是点击还是滑动的范围
private int boundary = 30;
//上下滑动
private boolean udMove = false;
//左右滑动
private boolean lrMove = false;
//声音manager
private AudioManager audioManager;
//开始改变前的音量
private int preVolume = -1;
//时时当前声音
private int curVolumeProgress = -1;
//开始改变前的亮度
private int preBrightness = -1;
//时时当前亮度
private int curBrightnessProgress = -1;
//时时当前播放进度百分比
private int curPlayProgressPercent = -1;
private LayoutPlayerTouchBinding binding;
public PlayerTouchView(Context context) {
this(context, null);
}
public PlayerTouchView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public PlayerTouchView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
binding = DataBindingUtil.inflate(LayoutInflater.from(context), R.layout.layout_player_touch, this, true);
binding.setLeftAreaMove(leftArea);
binding.setRightAreaMove(rightArea);
binding.setBrightnessAndVolumeProgress(brightnessAndVolumeProgress);
}
public void setTouchListener(VideoTouchListener listener) {
this.l = listener;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (l != null && !l.canTouch()) return false;
int curX = (int) event.getX();
int curY = (int) event.getY();
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
if (l != null) l.down();
controlAreaWidth = getWidth() / 4;
downX = (int) event.getX();
downY = (int) event.getY();
if (downX < controlAreaWidth) {
if (preVolume == -1)
preVolume = getSystemVolume();
brightnessAndVolumeProgress.set(preVolume * DensityUtils.dp2px(getContext(), 93) / getSystemMaxVolume());
} else if (downX > getWidth() - controlAreaWidth) {
if (preBrightness == -1)
preBrightness = getSystemBrightness();
brightnessAndVolumeProgress.set(preBrightness * DensityUtils.dp2px(getContext(), 93) / 255);
}
curBrightnessProgress = -1;
curVolumeProgress = -1;
curPlayProgressPercent = -1;
break;
case MotionEvent.ACTION_MOVE:
int moveX = downX - curX;
int moveY = downY - curY;
if (Math.abs(moveX) > boundary || Math.abs(moveY) > boundary) {
isMove = true;
}
if (!udMove && !lrMove) {
if (Math.abs(moveX) > boundary) {
lrMove = true;
} else if (Math.abs(moveY) > boundary) {
udMove = true;
}
}
if (binding.operationVolumeBrightness.getVisibility() != VISIBLE) {
leftArea.set(downX < controlAreaWidth && udMove);
rightArea.set(downX > getWidth() - controlAreaWidth && udMove);
}
if (lrMove) {
changeProgress(moveX);
return true;
}
if (udMove) {
if (rightArea.get()) {
changeBrightness(moveY);
} else if (leftArea.get()) {
changeVolume(moveY);
}
}
break;
case MotionEvent.ACTION_UP:
if (!isMove) {
if (l != null) l.click();
} else if (lrMove) {
if (l != null) l.change_value_progress(0, true);
}
lrMove = false;
udMove = false;
isMove = false;
leftArea.set(false);
rightArea.set(false);
preBrightness = curBrightnessProgress;
preVolume = curVolumeProgress;
break;
}
return true;
}
/**
* 改变播放进度
*
* @param moveX 移动距离
*/
private void changeProgress(int moveX) {
int curProgressPercent = -moveX * 100 / getWidth();
if (curPlayProgressPercent != curProgressPercent) {
if (l != null) l.change_value_progress(curProgressPercent, false);
curPlayProgressPercent = curProgressPercent;
}
}
/**
* 改变亮度
*
* @param moveY 移动距离
*/
private void changeBrightness(int moveY) {
int curBrightness = PlayerUtils.checkSize(preBrightness + moveY * 255 / getHeight(), 1, 255);
if (curBrightnessProgress == curBrightness) return;
int progress = curBrightness * DensityUtils.dp2px(getContext(), 93) / 255;
brightnessAndVolumeProgress.set(progress);
curBrightnessProgress = curBrightness;
changeAppBrightness(curBrightness);
}
/**
* 获取系统屏幕亮度
*
* @return 0-255之间的范围
*/
private int getSystemBrightness() {
int systemBrightness = 0;
try {
systemBrightness = Settings.System.getInt(getContext().getContentResolver(), Settings.System.SCREEN_BRIGHTNESS);
} catch (Settings.SettingNotFoundException e) {
e.printStackTrace();
}
return systemBrightness;
}
/**
* 改变App当前Window亮度
*
* @param brightness 0-255之间的范围
*/
public void changeAppBrightness(int brightness) {
Window window = ((Activity) getContext()).getWindow();
WindowManager.LayoutParams lp = window.getAttributes();
if (brightness == -1) {
lp.screenBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
} else {
lp.screenBrightness = (brightness <= 0 ? 1 : brightness) / 255f;
}
window.setAttributes(lp);
}
/**
* 改变声音
*
* @param moveY 移动距离
*/
private void changeVolume(int moveY) {
int curVolume = PlayerUtils.checkSize(preVolume + (moveY * getSystemMaxVolume() / getHeight()), 0, getSystemMaxVolume());
if (curVolumeProgress == curVolume) return;
int progress = curVolume * DensityUtils.dp2px(getContext(), 93) / getSystemMaxVolume();
brightnessAndVolumeProgress.set(progress);
curVolumeProgress = curVolume;
setSystemVolume(curVolume);
}
/**
* 获取系统的媒体音量
*
* @return
*/
private int getSystemVolume() {
return audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
}
/**
* 获取系统的媒体音量
*
* @return
*/
private int getSystemMaxVolume() {
return audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
}
/**
* 设置系统的媒体音量
*/
private void setSystemVolume(int curVolume) {
audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, curVolume, 0);
}
public interface VideoTouchListener {
/**
* 改变播放进度的回调
*
* @param percent 当前手势改变了进度的百分比
* @param update true 停止滑动，false正在滑动
* @return 要显示的时间字符串
*/
String change_value_progress(int percent, boolean update);
void click();
void down();
/**
* 是否需要拦截touch事件
*
* @return true拦截，false不拦截，其他的回调将不会执行
*/
boolean canTouch();
}
}