介绍
实现的功能:
- 可播放本地视频或网络视频,可控制播放或暂停
- 最小化时保存播放位置及播放状态,resume时恢复所有状态;
- 横竖屏切换时保持切换前的位置及状态
- 在屏幕上竖直滑动可调节屏幕亮度和音量
- 可改变视频显示样式(有bug)
- 可获取视频缩略图及视频大小
Activity
import android.app.Activity;
import android.content.pm.ActivityInfo;
import android.content.res.Configuration;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnErrorListener;
import android.media.MediaPlayer.OnPreparedListener;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.GestureDetector;
import android.view.GestureDetector.OnGestureListener;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.widget.Button;
import android.widget.MediaController;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.Toast;
import android.widget.VideoView;
public class MainActivity extends Activity implements OnCompletionListener, OnErrorListener, OnPreparedListener, OnTouchListener, OnClickListener,
OnGestureListener {
private Button btn_switch;
private Button btn_start;
private Button btn_fullscreen;
private VideoView mVideoView;
//在 VidioView 外层套一个容器,以在切换屏幕方向的时候对 rl_vv 进行拉伸,而内部的 mVideoView 会依据视频尺寸重新计算宽高。
//若是直接具体指定了view的宽高,则视频会被拉伸。
private RelativeLayout rl_vv;
private ProgressBar progressBar; //加载进度条
private int positionWhenPause = 0;//标记当视频暂停时的播放位置
private boolean isPlayingWhenPause = false;//标记最小化或横竖屏时是否正在播放
private GestureDetector mGestureDetector;//手势识别器,用户控制屏幕亮度和音量
private Uri mVideoUri;
public static final String filePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/b.rmvb";//本地路径
public static final String url = "http://7xt0mj.com1.z0.glb.clouddn.com/lianaidaren.v.640.480.mp4";//网络路径
public static final String url2 = "http://7xt0mj.com1.z0.glb.clouddn.com/xia.v.1280.720.f4v";
public static final String url3 = "http://112.253.22.157/17/z/z/y/u/zzyuasjwufnqerzvyxgkuigrkcatxr/hc.yinyuetai.com /D046015255134077DDB3ACA0D7E68D45.flv";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
progressBar = (ProgressBar) findViewById(R.id.progressBar);
rl_vv = (RelativeLayout) findViewById(R.id.rl_vv);
mVideoView = (VideoView) findViewById(R.id.mVideoView);
btn_switch = (Button) findViewById(R.id.btn_switch);
btn_start = (Button) findViewById(R.id.btn_start);
btn_fullscreen = (Button) findViewById(R.id.btn_fullscreen);
//设置显示控制条
mVideoView.setMediaController(new MediaController(this));
mVideoUri = Uri.parse(filePath);
mVideoView.setVideoURI(mVideoUri);//mVideoView.setVideoPath(url);//这两个方法都可以用来播放网络视频或本地视频
btn_switch.setOnClickListener(this);
btn_start.setOnClickListener(this);
btn_fullscreen.setOnClickListener(this);
mVideoView.setOnCompletionListener(this);
mVideoView.setOnErrorListener(this);
mVideoView.setOnPreparedListener(this);
mVideoView.setOnTouchListener(this);
mVideoView.setOnClickListener(this);
mGestureDetector = new GestureDetector(this, this);
}
@Override
protected void onResume() {
super.onResume();
//如果有保存位置,则跳转到暂停时所保存的那个位置
if (positionWhenPause > 0) {
mVideoView.seekTo(positionWhenPause);
//如果暂停前正在播放,则继续播放,并将播放位置置为0
if (isPlayingWhenPause) {
mVideoView.start();
mVideoView.requestFocus();
positionWhenPause = 0;
}
}
}
@Override
protected void onPause() {
//如果当前页面暂定,则保存当前播放位置,并记录之前mVideoView是否正在播放
isPlayingWhenPause = mVideoView.isPlaying();
positionWhenPause = mVideoView.getCurrentPosition();
//停止回放视频文件,先获取再stopPlayback()
mVideoView.stopPlayback();
super.onPause();
}
@Override
protected void onDestroy() {
super.onDestroy();
if (null != mVideoView) mVideoView = null;
}
@Override
//横竖屏切换时更改mVideoView的大小
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
if (mVideoView == null) {
return;
}
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) { //横屏
VideoUtils.setActivityFullScreenMode(this);//设置为全屏模式
getWindow().getDecorView().invalidate();
//rl_vv.getLayoutParams().width = VideoUtils.getScreenWidth(this);
rl_vv.getLayoutParams().height = VideoUtils.getScreenHeight(this);
} else { //竖屏
VideoUtils.setActivityWindowScreenMode(this);
rl_vv.getLayoutParams().width = VideoUtils.getScreenWidth(this);
//rl_vv.getLayoutParams().height = VideoUtils.dp2px(this, 400);
}
}
//***************************************************************************************************************************
@Override
public void onPrepared(MediaPlayer mp) {
try {
long timeLong = Long.valueOf(VideoUtils.getVideoLength(mVideoUri.toString()));
Toast.makeText(this, "准备好了,时长为 " + VideoUtils.long2Time(timeLong), Toast.LENGTH_SHORT).show();
} catch (Exception e) {
}
//如果文件加载成功,隐藏加载进度条
progressBar.setVisibility(View.GONE);
}
@Override
public void onCompletion(MediaPlayer mp) {
}
@Override
//视频播放发生错误时回调。如果未指定回调, 或回调函数返回false,mVideoView 会通知用户发生了错误。
public boolean onError(MediaPlayer mp, int what, int extra) {
switch (what) {
case MediaPlayer.MEDIA_ERROR_UNKNOWN:
Log.e("text", "发生未知错误");
break;
case MediaPlayer.MEDIA_ERROR_SERVER_DIED:
Log.e("text", "媒体服务器死机");
break;
default:
Log.e("text", "onError+" + what);
break;
}
switch (extra) {
case MediaPlayer.MEDIA_ERROR_IO:
Log.e("text", "文件或网络相关的IO操作错误");
break;
case MediaPlayer.MEDIA_ERROR_MALFORMED:
Log.e("text", "比特流编码标准或文件不符合相关规范");
break;
case MediaPlayer.MEDIA_ERROR_TIMED_OUT:
Log.e("text", "操作超时");
break;
case MediaPlayer.MEDIA_ERROR_UNSUPPORTED:
Log.e("text", "比特流编码标准或文件符合相关规范,但媒体框架不支持该功能");
break;
default:
Log.e("text", "onError+" + extra);
break;
}
return true;//经常会碰到视频编码格式不支持的情况,若不想弹出提示框就返回true
}
//************************************************************************************************************************************
@Override
public boolean onTouch(View v, MotionEvent event) {
return mGestureDetector.onTouchEvent(event);//把Touch事件传递给手势识别器,这一步非常重要!
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_start:
if (mVideoView.isPlaying()) {
mVideoView.pause();
} else {
mVideoView.start();//启动视频播放
mVideoView.requestFocus();//获取焦点
}
break;
case R.id.btn_switch:
//横竖屏切换
if (getRequestedOrientation() == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
} else {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
}
// btn_switch.setVisibility(View.INVISIBLE);
break;
case R.id.btn_fullscreen:
VideoUtils.setVideoViewLayoutParams(this, mVideoView, VideoUtils.FULL_SCREEN);
break;
}
}
//************************************************************************************************************************************
@Override
//e1代表触摸时的事件,是不变的,e2代表滑动过程中的事件,是时刻变化的
//distance是当前event2与上次回调时的event2之间的距离,代表上次回调之后到这次回调之前移动的距离
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
float FLING_MIN_BRIGHTNESS = 1.0f * VideoUtils.dp2px(MainActivity.this, 1f);//调节亮度时的敏感度,
float FLING_MIN_VOICE = 1.0f * VideoUtils.dp2px(MainActivity.this, 5f);//调节声音时的敏感度
float distance = Math.abs(distanceY);//竖直方向移动范围
//在屏幕左侧滑动调节亮度,在屏幕右侧滑动调节声音
if (e1.getX() < VideoUtils.getScreenWidth(this) / 2) { //左侧
if (distance > FLING_MIN_BRIGHTNESS) { //移动范围满足
if (e1.getY() - e2.getY() > 0) { //上滑
VideoUtils.setScreenBrightness(this, 15);//亮度增加,第二参数的大小代表着敏感度
} else { //下滑
VideoUtils.setScreenBrightness(this, -15);
}
}
} else { //右侧
if (distance > FLING_MIN_VOICE) { //移动范围满足
if (e1.getY() - e2.getY() > 0) { //上滑
//VideoUtils.setVoiceVolume(this, 1);//音量增加
VideoUtils.setVoiceVolumeAndShowNotification(this, true);//系统自动控制音量增加减小级别
} else { //下滑
// VideoUtils.setVoiceVolume(this, -1);
VideoUtils.setVoiceVolumeAndShowNotification(this, false);
}
}
}
return true;
}
@Override
public boolean onDown(MotionEvent e) {
return true;
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
return true;
}
@Override
public void onLongPress(MotionEvent e) {
}
@Override
public void onShowPress(MotionEvent e) {
}
@Override
public boolean onSingleTapUp(MotionEvent e) {
return false;
}
} 工具
import java.lang.reflect.Method;
import java.text.SimpleDateFormat;
import java.util.Date;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.PixelFormat;
import android.graphics.drawable.Drawable;
import android.media.AudioManager;
import android.media.MediaMetadataRetriever;
import android.media.ThumbnailUtils;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Build;
import android.provider.MediaStore.Video;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;
import android.widget.VideoView;
public class VideoUtils {
/**
* 根据手机的分辨率从 dp或 sp 的单位 转成为 px
*/
public static int dp2px(Context context, float dpValue) {
float scale = context.getResources().getDisplayMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
/**
* 根据手机的分辨率从 px 的单位转成为 dp 或 sp
*/
public static int px2dp(Context context, float pxValue) {
float scale = context.getResources().getDisplayMetrics().density;
return (int) (pxValue / scale + 0.5f);
}
/**
* 获取屏幕高度
*/
public static int getScreenHeight(Context context) {
return context.getResources().getDisplayMetrics().heightPixels;
}
/**
* 获取屏幕宽度
*/
public static int getScreenWidth(Context context) {
return context.getResources().getDisplayMetrics().widthPixels;
}
/**
* 设置Activity为全屏模式
*/
public static void setActivityFullScreenMode(Activity context) {
context.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
}
/**
* 设置Activity为窗口模式???
*/
public static void setActivityWindowScreenMode(Activity context) {
WindowManager.LayoutParams attrs = context.getWindow().getAttributes();
attrs.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
context.getWindow().setAttributes(attrs);
context.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
}
//********************************************************************************************************************
public static final int FULL_SCREEN = 1;//全屏拉伸模式
public static final int SCREEN_WINDOW = 2;//指定大小模式
public static final int SCREEN_WINDOW_ADAPT = 3;//自适应宽高模式
/**
* 设置VideoView的全屏和窗口模式。<br>
* 全屏拉伸模式 : {@link #FULL_SCREEN} <br>
* 指定大小模式: {@link #SCREEN_WINDOWE}<br>
* 自适应宽高模式 : {@link #SCREEN_WINDOW_ADAPT}
* 这里有很多bug******************************************************************************************************************************************************
*/
public static void setVideoViewLayoutParams(Activity context, VideoView mVideoView, int paramsType) {
int width, height;
switch (paramsType) {
case FULL_SCREEN:
setActivityFullScreenMode(context);
RelativeLayout.LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_TOP);
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
layoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
((View) mVideoView.getParent()).setLayoutParams(layoutParams);//布局里我们给VideoView设置了一个父布局
mVideoView.setLayoutParams(layoutParams);
break;
case SCREEN_WINDOW:
width = getScreenWidth(context) * 2 / 3;
height = VideoUtils.getScreenHeight(context) * 2 / 3;
RelativeLayout.LayoutParams LayoutParams = new LayoutParams(width, height);
LayoutParams.addRule(RelativeLayout.CENTER_IN_PARENT);
mVideoView.setLayoutParams(LayoutParams);
break;
default://先获取VideoView中资源的大小,然后分别和VideoView控件的大小作对比,当资源宽高大于控件时,缩小,否则放大。
//和加载图片一个样,但是VideoView没有scaleType塑性
int videoWidth = mVideoView.getWidth();
int videoHeight = mVideoView.getHeight();
break;
}
}
//********************************************************************************************************************
/**
* 获取屏幕亮度模式,返回-1代表没有获取到
* 自动调节:Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC=1
* 手动调节:SCREEN_BRIGHTNESS_MODE_MANUAL=0
*/
public static int getScreenBrightnessMode(Context context) {
int screenMode = -1;
try {
screenMode = Settings.System.getInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE);
} catch (SettingNotFoundException e) {
e.printStackTrace();
}
return screenMode;
}
/**
* 设置屏幕亮度模式
* 自动调节:Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC=1
* 手动调节:SCREEN_BRIGHTNESS_MODE_MANUAL=0
*/
public static void setScreenBrightnessMode(Context context, int value) {
Settings.System.putInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS_MODE, value);
}
/**
* 获取屏幕亮度,获取失败返回-1
*/
public static int getScreenBrightness(Context context) {
int bright = -1;
try {
bright = Settings.System.getInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS);
} catch (SettingNotFoundException e) {
e.printStackTrace();
}
return bright;
}
/**
* 增加或减小当前屏幕亮度,并在整个系统上生效
*/
public static void setScreenBrightness(Activity context, float value) {
//设置当前【activity】的屏幕亮度
Window mWindow = context.getWindow();
WindowManager.LayoutParams mParams = mWindow.getAttributes();//注意:它的值是从0到1,亮度从暗到全亮
mParams.screenBrightness += value / 255.0F;
if (mParams.screenBrightness > 1) { //设置大于1的值后,虽然获取到的此参数的值被改了,但系统并不使用此值而是使用某一指定值设置亮度
mParams.screenBrightness = 1;
} else if (mParams.screenBrightness < 0.01) {
mParams.screenBrightness = 0.01f;
}
mWindow.setAttributes(mParams);
// 保存设置为【系统】屏幕亮度值。注意它的值是0-255
int newValue = (int) (mParams.screenBrightness * 255.0F + value);// 或者= (int) (getScreenBrightness(context) + value);
if (newValue > 255) newValue = 255;
else if (newValue < 0) newValue = 0;
Log.i("bqt", "亮度=" + mParams.screenBrightness + ",亮度=" + newValue);
Settings.System.putInt(context.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, newValue);
}
//********************************************************************************************************************
/**
* 设置铃声模式
* @param mode 声音模式:AudioManager.RINGER_MODE_NORMAL;静音模式:_SILENT;震动模式:_VIBRATE
*/
public static void setRingerMode(Context context, int mode) {
AudioManager mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
mAudioManager.setRingerMode(mode);
}
/**
* 增加或减小媒体音量
*/
public static void setVoiceVolume(Context context, int value) {
AudioManager mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
// 注意:分为静音(0),震动(0),1--7 共九个等级。从静音调为1时,需要调大两个等级;从1调为0时,手机将调整为“震动模式”
int currentVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
//尼玛,我获得的最大值是15
int maxVolume = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
int newVolume = currentVolume + value;
if (newVolume > maxVolume) {
newVolume = maxVolume;
} else if (newVolume < 0) {
newVolume = 0;
}
Log.i("bqt", "音量=" + newVolume);
mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, newVolume, 0);
}
/**
* 增加或减小媒体音量,并且显示系统音量控制提示条
*/
public static void setVoiceVolumeAndShowNotification(Context context, boolean isAddVolume) {
AudioManager mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
if (isAddVolume) {
//参数:声音类型,调整音量的方向(只能是增加、减小、不变),可选的标志位(不知道有卵用)
//音乐:AudioManager.STREAM_MUSIC;通话:_VOICE_CALL;系统:_SYSTEM;铃声:_RING;提示音:_NOTIFICATION;闹铃:_ALARM
mAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_RAISE, AudioManager.FX_FOCUS_NAVIGATION_UP);
} else {
mAudioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_LOWER, AudioManager.FX_FOCUS_NAVIGATION_UP);
}
Log.i("bqt", "音量=" + mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC));
}
//********************************************************************************************************************
/**
* 获取视频长度,获取网络视频长度时异常!
*/
public static String getVideoLength(String filePath) {
MediaMetadataRetriever retriever = new MediaMetadataRetriever();
retriever.setDataSource(filePath);
String length = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);
return length;
}
/**
* 毫秒值装换为时分秒形式
*/
@SuppressWarnings("deprecation")
public static String long2Time(long timeLong) {
Date date = new Date(timeLong);
date.setHours(date.getHours() - 8); //沃日,我们这里比标准时长快了八个小时
SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss ");
return format.format(date);
}
/**
* 获取视频缩略图
* @param filePath 视频文件的路径
*/
public static Bitmap createVideoThumbnail(String filePath) {
return ThumbnailUtils.createVideoThumbnail(filePath, Video.Thumbnails.MINI_KIND);
}
/**
* 获取视频的缩略图
* 先通过ThumbnailUtils来创建一个视频的缩略图,然后再利用ThumbnailUtils来生成指定大小的缩略图。
* 如果想要的缩略图的宽和高都小于MICRO_KIND,则类型要使用MICRO_KIND作为kind的值,这样会节省内存。
* @param videoPath 视频的路径
* @param width 指定输出视频缩略图的宽度
* @param height 指定输出视频缩略图的高度度
* @param kind 参照Thumbnails类中的常量MINI_KIND(512 x 384) 和 MICRO_KIND(96 x 96)
*/
public static Bitmap getVideoThumbnail(String videoPath, int width, int height, int kind) {
// 获取视频的缩略图
Bitmap bitmap = ThumbnailUtils.createVideoThumbnail(videoPath, kind);
bitmap = ThumbnailUtils.extractThumbnail(bitmap, width, height, ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
return bitmap;
}
/**
* 利用反射的方式获取视频缩略图,不建议使用
* @param filePath 视频文件的路径
*/
public static Bitmap createVideoThumbnail2(String filePath) {
Class<?> clazz = null;
Object instance = null;
try {
clazz = Class.forName("android.media.MediaMetadataRetriever");
instance = clazz.newInstance();
Method method = clazz.getMethod("setDataSource", String.class);
method.invoke(instance, filePath);
if (Build.VERSION.SDK_INT <= 9) {
return (Bitmap) clazz.getMethod("captureFrame").invoke(instance);
} else {
byte[] data = (byte[]) clazz.getMethod("getEmbeddedPicture").invoke(instance);
if (data != null) {
Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
if (bitmap != null) return bitmap;
}
return (Bitmap) clazz.getMethod("getFrameAtTime").invoke(instance);
}
} catch (Exception ex) {
} finally {
try {
if (instance != null) {
clazz.getMethod("release").invoke(instance);
}
} catch (Exception ignored) {
}
}
return null;
}
/**
* 将Drawable转化为Bitmap
*/
public static Bitmap drawableToBitmap(Drawable drawable) {
// 取 drawable 的长宽,颜色格式
int w = drawable.getIntrinsicWidth();
int h = drawable.getIntrinsicHeight();
Bitmap.Config config = drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565;
// 创建对应 bitmap
Bitmap bitmap = Bitmap.createBitmap(w, h, config);
Canvas canvas = new Canvas(bitmap);
drawable.setBounds(0, 0, w, h);
drawable.draw(canvas);
return bitmap;
}
//********************************************************************************************************************
public static final int NETWORK_TYPE_INVALID = 0;
public static final int NETWORK_TYPE_MOBILE = 1;
public static final int NETWORK_TYPE_WIFI = 2;
/**
* 获取当前网络连接状况
* 网络不可用 : {@link #NETWORK_TYPE_INVALID} <br>
* 蜂窝网络(手机流量) : {@link #NETWORK_TYPE_MOBILE}<br>
* WIFI连接 : {@link #NETWORK_TYPE_WIFI}
*/
public static int getNetworkType(Context context) {
ConnectivityManager manager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = manager.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.isConnected()) {
String type = networkInfo.getTypeName();
if (type.equalsIgnoreCase("WIFI")) {
return NETWORK_TYPE_WIFI;
} else if (type.equalsIgnoreCase("MOBILE")) {
return NETWORK_TYPE_MOBILE;
}
}
return NETWORK_TYPE_INVALID;
}
} 布局
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#300f"
android:padding="5dp" >
<RelativeLayout
android:id="@+id/rl_vv"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_weight="2016"
android:background="#30f0"
android:minHeight="200dp"
android:padding="5dp" >
<VideoView
android:id="@+id/mVideoView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:padding="5dp" />
</RelativeLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:orientation="horizontal" >
<Button
android:id="@+id/btn_start"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="播放/暂停" />
<Button
android:id="@+id/btn_switch"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="横竖屏切换" />
<Button
android:id="@+id/btn_fullscreen"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="全屏" />
</LinearLayout>
<ProgressBar
android:id="@+id/progressBar"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true" />
</RelativeLayout> 清单文件
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.bqt.videoview"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="17"
android:targetSdkVersion="21" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<!-- 网络权限 -->
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<!-- 滑动改变屏幕亮度/音量 -->
<uses-permission android:name="android.permission.WRITE_SETTINGS" />
<uses-permission android:name="android.permission.VIBRATE" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:configChanges="keyboard|orientation|screenSize"
android:label="@string/app_name"
android:theme="@style/Theme.AppCompat.Light.NoActionBar" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>