diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 491f8487..e8fe33cc 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -52,7 +52,7 @@
             android:configChanges="keyboardHidden|orientation|screenSize"
             android:screenOrientation="portrait" />
         <activity
-            android:name="com.devlin_n.dcplayer.activity.RecyclerViewAutoPlayActivity"
+            android:name="com.devlin_n.dcplayer.activity.AutoPlayRecyclerViewActivity"
             android:configChanges="keyboardHidden|orientation|screenSize"
             android:screenOrientation="portrait" />
     </application>
diff --git a/app/src/main/java/com/devlin_n/dcplayer/MainActivity.java b/app/src/main/java/com/devlin_n/dcplayer/MainActivity.java
index 8bbd5338..a467ae9b 100644
--- a/app/src/main/java/com/devlin_n/dcplayer/MainActivity.java
+++ b/app/src/main/java/com/devlin_n/dcplayer/MainActivity.java
@@ -22,7 +22,7 @@
 import com.devlin_n.dcplayer.activity.LivePlayerActivity;
 import com.devlin_n.dcplayer.activity.PlayerActivity;
 import com.devlin_n.dcplayer.activity.RecyclerViewActivity;
-import com.devlin_n.dcplayer.activity.RecyclerViewAutoPlayActivity;
+import com.devlin_n.dcplayer.activity.AutoPlayRecyclerViewActivity;
 import com.devlin_n.dcplayer.activity.VodPlayerActivity;
 import com.devlin_n.videoplayer.player.BackgroundPlayService;
 import com.devlin_n.videoplayer.player.VideoCacheManager;
@@ -122,6 +122,6 @@ public void list(View view) {
     }
 
     public void recyclerAutoPlay(View view) {
-        startActivity(new Intent(this, RecyclerViewAutoPlayActivity.class));
+        startActivity(new Intent(this, AutoPlayRecyclerViewActivity.class));
     }
 }
diff --git a/app/src/main/java/com/devlin_n/dcplayer/activity/RecyclerViewAutoPlayActivity.java b/app/src/main/java/com/devlin_n/dcplayer/activity/AutoPlayRecyclerViewActivity.java
similarity index 98%
rename from app/src/main/java/com/devlin_n/dcplayer/activity/RecyclerViewAutoPlayActivity.java
rename to app/src/main/java/com/devlin_n/dcplayer/activity/AutoPlayRecyclerViewActivity.java
index 379b79ee..6d6b3658 100644
--- a/app/src/main/java/com/devlin_n/dcplayer/activity/RecyclerViewAutoPlayActivity.java
+++ b/app/src/main/java/com/devlin_n/dcplayer/activity/AutoPlayRecyclerViewActivity.java
@@ -29,7 +29,7 @@
  * Created by Devlin_n on 2017/5/31.
  */
 
-public class RecyclerViewAutoPlayActivity extends AppCompatActivity {
+public class AutoPlayRecyclerViewActivity extends AppCompatActivity {
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
@@ -37,7 +37,7 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
         setContentView(R.layout.activity_recycler_view);
         ActionBar actionBar = getSupportActionBar();
         if (actionBar != null) {
-            actionBar.setTitle("RECYCLER");
+            actionBar.setTitle("AUTO PLAY RECYCLER VIEW");
             actionBar.setDisplayHomeAsUpEnabled(true);
         }
         initView();
diff --git a/app/src/main/java/com/devlin_n/dcplayer/activity/DanmakuActivity.java b/app/src/main/java/com/devlin_n/dcplayer/activity/DanmakuActivity.java
index 9f3bcf84..91da3200 100644
--- a/app/src/main/java/com/devlin_n/dcplayer/activity/DanmakuActivity.java
+++ b/app/src/main/java/com/devlin_n/dcplayer/activity/DanmakuActivity.java
@@ -19,6 +19,7 @@
 import android.view.View;
 import android.widget.Toast;
 
+import com.devlin_n.dcplayer.widget.DanmukuVideoView;
 import com.devlin_n.floatWindowPermission.FloatWindowManager;
 import com.devlin_n.videoplayer.controller.StandardVideoController;
 import com.devlin_n.videoplayer.player.IjkVideoView;
@@ -49,7 +50,7 @@ public class DanmakuActivity extends AppCompatActivity {
     private DanmakuView mDanmakuView;
     private DanmakuContext mContext;
     private BaseDanmakuParser mParser;
-    private IjkVideoView ijkVideoView;
+    private DanmukuVideoView danmukuVideoView;
     private static final String URL_VOD = "http://mov.bn.netease.com/open-movie/nos/flv/2017/01/03/SC8U8K7BC_hd.flv";
     //    private static final String URL_VOD = "http://uploads.cutv.com:8088/video/data/201703/10/encode_file/515b6a95601ba6b39620358f2677a17358c2472411d53.mp4";
 
@@ -62,14 +63,14 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
             actionBar.setTitle("弹幕");
             actionBar.setDisplayHomeAsUpEnabled(true);
         }
-        ijkVideoView = (IjkVideoView) findViewById(R.id.player);
+        danmukuVideoView = findViewById(R.id.player);
 
         initDanMuView();
-        ijkVideoView
+        danmukuVideoView
+                .addDanmukuView(mDanmakuView, mContext, mParser)
 //                .enableCache()
 //                .useSurfaceView()
 //                .useAndroidMediaPlayer()
-                .addDanmukuView(mDanmakuView, mContext, mParser)
                 .autoRotate()
                 .setVideoController(new StandardVideoController(this))
                 .setUrl(URL_VOD)
@@ -88,25 +89,25 @@ public boolean onOptionsItemSelected(MenuItem item) {
     @Override
     protected void onPause() {
         super.onPause();
-        ijkVideoView.pause();
+        danmukuVideoView.pause();
     }
 
     @Override
     protected void onResume() {
         super.onResume();
-        ijkVideoView.stopFloatWindow();
+        danmukuVideoView.stopFloatWindow();
     }
 
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        ijkVideoView.release();
+        danmukuVideoView.release();
     }
 
 
     @Override
     public void onBackPressed() {
-        if (!ijkVideoView.onBackPressed()) {
+        if (!danmukuVideoView.onBackPressed()) {
             super.onBackPressed();
         }
     }
@@ -115,7 +116,7 @@ public void onBackPressed() {
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (requestCode == FloatWindowManager.PERMISSION_REQUEST_CODE) {
             if (FloatWindowManager.getInstance().checkPermission(this)) {
-                ijkVideoView.startFloatWindow();
+                danmukuVideoView.startFloatWindow();
             } else {
                 Toast.makeText(DanmakuActivity.this, "权限授予失败，无法开启悬浮窗", Toast.LENGTH_SHORT).show();
             }
@@ -209,7 +210,7 @@ public void addDanmakuWithDrawable(View view) {
         }
         // for(int i=0;i<100;i++){
         // }
-        Drawable drawable = ContextCompat.getDrawable(this, R.mipmap.ic_launcher);
+        Drawable drawable = ContextCompat.getDrawable(this, R.mipmap.ic_launcher_round);
         int size = WindowUtil.dp2px(this, 20);
         drawable.setBounds(0, 0, size, size);
 
diff --git a/app/src/main/java/com/devlin_n/dcplayer/activity/VodPlayerActivity.java b/app/src/main/java/com/devlin_n/dcplayer/activity/VodPlayerActivity.java
index d2d5d6bd..22965290 100644
--- a/app/src/main/java/com/devlin_n/dcplayer/activity/VodPlayerActivity.java
+++ b/app/src/main/java/com/devlin_n/dcplayer/activity/VodPlayerActivity.java
@@ -49,7 +49,7 @@ protected void onCreate(@Nullable Bundle savedInstanceState) {
         videos.add(new VideoModel(URL_VOD, "这是一个标题", new StandardVideoController(this)));
 
         ijkVideoView
-                .autoRotate()
+//                .autoRotate()
 //                .enableCache()
 //                .useSurfaceView()
                 .useAndroidMediaPlayer()
diff --git a/app/src/main/java/com/devlin_n/dcplayer/widget/DanmukuVideoView.java b/app/src/main/java/com/devlin_n/dcplayer/widget/DanmukuVideoView.java
new file mode 100644
index 00000000..cc04f65b
--- /dev/null
+++ b/app/src/main/java/com/devlin_n/dcplayer/widget/DanmukuVideoView.java
@@ -0,0 +1,108 @@
+package com.devlin_n.dcplayer.widget;
+
+import android.content.Context;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+
+import com.devlin_n.videoplayer.player.IjkVideoView;
+
+import master.flame.danmaku.danmaku.model.android.DanmakuContext;
+import master.flame.danmaku.danmaku.parser.BaseDanmakuParser;
+import master.flame.danmaku.ui.widget.DanmakuView;
+
+/**
+ * 包含弹幕的播放器
+ * Created by xinyu on 2017/12/23.
+ */
+
+public class DanmukuVideoView extends IjkVideoView {
+    private DanmakuView mDanmakuView;
+    private DanmakuContext mContext;
+    private BaseDanmakuParser mParser;
+
+
+    public DanmukuVideoView(@NonNull Context context) {
+        super(context);
+    }
+
+    public DanmukuVideoView(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public DanmukuVideoView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    @Override
+    protected void initPlayer() {
+        super.initPlayer();
+        if (mDanmakuView != null) {
+            playerContainer.removeView(mDanmakuView);
+            playerContainer.addView(mDanmakuView, 1);
+        }
+    }
+
+
+    @Override
+    protected void startPrepare() {
+        super.startPrepare();
+        if (mDanmakuView != null) {
+            mDanmakuView.prepare(mParser, mContext);
+        }
+    }
+
+    @Override
+    protected void startInPlaybackState() {
+        super.startInPlaybackState();
+        if (mDanmakuView != null && mDanmakuView.isPrepared() && mDanmakuView.isPaused()) {
+            mDanmakuView.resume();
+        }
+    }
+
+    @Override
+    public void pause() {
+        super.pause();
+        if (isInPlaybackState()) {
+            if (mDanmakuView != null && mDanmakuView.isPrepared()) {
+                mDanmakuView.pause();
+            }
+        }
+    }
+
+    @Override
+    public void resume() {
+        super.resume();
+        if (mDanmakuView != null && mDanmakuView.isPrepared() && mDanmakuView.isPaused()) {
+            mDanmakuView.resume();
+        }
+    }
+
+    @Override
+    public void release() {
+        super.release();
+        if (mDanmakuView != null) {
+            // dont forget release!
+            mDanmakuView.release();
+            mDanmakuView = null;
+        }
+    }
+
+    @Override
+    public void seekTo(int pos) {
+        super.seekTo(pos);
+        if (isInPlaybackState()) {
+            if (mDanmakuView != null) mDanmakuView.seekTo((long) pos);
+        }
+    }
+
+    /**
+     * 添加弹幕
+     */
+    public IjkVideoView addDanmukuView(DanmakuView danmakuView, DanmakuContext context, BaseDanmakuParser parser) {
+        this.mDanmakuView = danmakuView;
+        this.mContext = context;
+        this.mParser = parser;
+        return this;
+    }
+}
diff --git a/app/src/main/res/layout/activity_danmaku_player.xml b/app/src/main/res/layout/activity_danmaku_player.xml
index ffc0dbd3..1c290e22 100644
--- a/app/src/main/res/layout/activity_danmaku_player.xml
+++ b/app/src/main/res/layout/activity_danmaku_player.xml
@@ -4,7 +4,7 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <com.devlin_n.videoplayer.player.IjkVideoView
+    <com.devlin_n.dcplayer.widget.DanmukuVideoView
         android:id="@+id/player"
         android:layout_width="match_parent"
         android:layout_height="300dp" />
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index b1d25651..46eded65 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -42,7 +42,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:onClick="recyclerAutoPlay"
-                android:text="RECYCLER VIEW AUTO PLAY" />
+                android:text="AUTO PLAY RECYCLER VIEW" />
 
             <Button
                 android:layout_width="match_parent"
diff --git a/library/src/main/java/com/devlin_n/videoplayer/player/BaseIjkVideoView.java b/library/src/main/java/com/devlin_n/videoplayer/player/BaseIjkVideoView.java
index 43c78c45..ded103d4 100644
--- a/library/src/main/java/com/devlin_n/videoplayer/player/BaseIjkVideoView.java
+++ b/library/src/main/java/com/devlin_n/videoplayer/player/BaseIjkVideoView.java
@@ -1,5 +1,6 @@
 package com.devlin_n.videoplayer.player;
 
+import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
@@ -33,7 +34,7 @@
 
 public abstract class BaseIjkVideoView extends FrameLayout implements BaseVideoController.MediaPlayerControl, MediaEngineInterface {
 
-    protected BaseMediaEngine mMediaPlayer;//ijkPlayer
+    protected BaseMediaEngine mMediaPlayer;//播放引擎
     protected VideoListener listener;
     protected int bufferPercentage;//缓冲百分比
     protected boolean isMute;//是否静音
@@ -68,12 +69,57 @@ public abstract class BaseIjkVideoView extends FrameLayout implements BaseVideoC
     /**
      * 加速度传感器监听
      */
-    protected OrientationEventListener orientationEventListener;
+    protected OrientationEventListener orientationEventListener = new OrientationEventListener(getContext()) { // 加速度传感器监听，用于自动旋转屏幕
+
+        private int CurrentOrientation = 0;
+        private static final int PORTRAIT = 1;
+        private static final int LANDSCAPE = 2;
+        private static final int REVERSE_LANDSCAPE = 3;
+
+        @Override
+        public void onOrientationChanged(int orientation) {
+            Activity activity = WindowUtil.scanForActivity(getContext());
+            if (activity == null) return;
+            if (orientation >= 340) { //屏幕顶部朝上
+                if (mAlwaysFullScreen || isLockFullScreen || !mAutoRotate) return;
+                if (CurrentOrientation == PORTRAIT) return;
+                if ((CurrentOrientation == LANDSCAPE || CurrentOrientation == REVERSE_LANDSCAPE) && !isFullScreen()) {
+                    CurrentOrientation = PORTRAIT;
+                    return;
+                }
+                CurrentOrientation = PORTRAIT;
+                activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+                stopFullScreen();
+            } else if (orientation >= 260 && orientation <= 280) { //屏幕左边朝上
+                if (CurrentOrientation == LANDSCAPE) return;
+                if (CurrentOrientation == PORTRAIT && isFullScreen()) {
+                    CurrentOrientation = LANDSCAPE;
+                    return;
+                }
+                CurrentOrientation = LANDSCAPE;
+                if (!isFullScreen()) {
+                    startFullScreen();
+                }
+                activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
+            } else if (orientation >= 70 && orientation <= 90) { //屏幕右边朝上
+                if (CurrentOrientation == REVERSE_LANDSCAPE) return;
+                if (CurrentOrientation == PORTRAIT && isFullScreen()) {
+                    CurrentOrientation = REVERSE_LANDSCAPE;
+                    return;
+                }
+                CurrentOrientation = REVERSE_LANDSCAPE;
+                if (!isFullScreen()) {
+                    startFullScreen();
+                }
+                activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE);
+            }
+        }
+    };
     protected boolean mAutoRotate;//是否旋转屏幕
-    protected boolean isLocked;
+    protected boolean isLockFullScreen;//是否锁定屏幕
     protected boolean mAlwaysFullScreen;//总是全屏
-    protected boolean isCache;
-    protected boolean addToPlayerManager;
+    protected boolean isCache;//是否开启缓存
+    protected boolean addToPlayerManager;//是否添加到播放管理器
 
 
     public BaseIjkVideoView(@NonNull Context context) {
@@ -153,7 +199,7 @@ public void start() {
 
     protected void startPlay() {
         if (mAlwaysFullScreen) startFullScreenDirectly();
-        if (mAutoRotate && orientationEventListener != null) orientationEventListener.enable();
+        if (mAutoRotate) orientationEventListener.enable();
         if (checkNetwork()) return;
         initPlayer();
         startPrepare();
@@ -214,12 +260,10 @@ public void release() {
             mAudioFocusHelper.abandonFocus();
             setKeepScreenOn(false);
         }
-        if (orientationEventListener != null) {
-            orientationEventListener.disable();
-        }
+        orientationEventListener.disable();
         if (isCache) getCacheServer().unregisterCacheListener(cacheListener);
 
-        isLocked = false;
+        isLockFullScreen = false;
         mCurrentPosition = 0;
     }
 
@@ -263,10 +307,7 @@ public boolean isPlaying() {
 
     @Override
     public int getBufferPercentage() {
-        if (mMediaPlayer != null) {
-            return bufferPercentage;
-        }
-        return 0;
+        return mMediaPlayer != null ? bufferPercentage : 0;
     }
 
     /**
@@ -294,7 +335,6 @@ private void startBackgroundService() {
         intent.putExtra(KeyUtil.ENABLE_CACHE, isCache);
         intent.putExtra(KeyUtil.ACTION, Constants.COMMAND_START);
         getContext().getApplicationContext().startService(intent);
-        WindowUtil.scanForActivity(getContext()).finish();
     }
 
     /**
@@ -312,7 +352,9 @@ public void stopFloatWindow() {
      */
     @Override
     public void startFullScreenDirectly() {
-        WindowUtil.scanForActivity(getContext()).setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
+        Activity activity = WindowUtil.scanForActivity(getContext());
+        if (activity == null) return;
+        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
         startFullScreen();
     }
 
@@ -337,7 +379,7 @@ public boolean isMute() {
 
     @Override
     public void setLock(boolean isLocked) {
-        this.isLocked = isLocked;
+            this.isLockFullScreen = isLocked;
     }
 
     @Override
diff --git a/library/src/main/java/com/devlin_n/videoplayer/player/IjkVideoView.java b/library/src/main/java/com/devlin_n/videoplayer/player/IjkVideoView.java
index e5d9c989..f637f9ad 100644
--- a/library/src/main/java/com/devlin_n/videoplayer/player/IjkVideoView.java
+++ b/library/src/main/java/com/devlin_n/videoplayer/player/IjkVideoView.java
@@ -1,5 +1,6 @@
 package com.devlin_n.videoplayer.player;
 
+import android.app.Activity;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
 import android.graphics.Color;
@@ -40,17 +41,14 @@
 public class IjkVideoView extends BaseIjkVideoView {
 
     @Nullable
-    private BaseVideoController mVideoController;//控制器
-    private ResizeSurfaceView mSurfaceView;
-    private ResizeTextureView mTextureView;
-    private SurfaceTexture mSurfaceTexture;
-    private DanmakuView mDanmakuView;
-    private DanmakuContext mContext;
-    private BaseDanmakuParser mParser;
-    private FrameLayout playerContainer;
-    private StatusView statusView;//显示错误信息的一个view
-    private boolean useSurfaceView;//是否使用TextureView
-    private boolean isFullScreen;//是否处于全屏状态
+    protected BaseVideoController mVideoController;//控制器
+    protected ResizeSurfaceView mSurfaceView;
+    protected ResizeTextureView mTextureView;
+    protected SurfaceTexture mSurfaceTexture;
+    protected FrameLayout playerContainer;
+    protected StatusView statusView;//显示错误信息的一个view
+    protected boolean useSurfaceView;//是否使用TextureView
+    protected boolean isFullScreen;//是否处于全屏状态
 
     public static final int SCREEN_SCALE_DEFAULT = 0;
     public static final int SCREEN_SCALE_16_9 = 1;
@@ -58,7 +56,7 @@ public class IjkVideoView extends BaseIjkVideoView {
     public static final int SCREEN_SCALE_MATCH_PARENT = 3;
     public static final int SCREEN_SCALE_ORIGINAL = 4;
 
-    private int mCurrentScreenScale = SCREEN_SCALE_DEFAULT;
+    protected int mCurrentScreenScale = SCREEN_SCALE_DEFAULT;
 
     public IjkVideoView(@NonNull Context context) {
         this(context, null);
@@ -95,10 +93,6 @@ protected void initView() {
     protected void initPlayer() {
         super.initPlayer();
         addDisplay();
-        if (mDanmakuView != null) {
-            playerContainer.removeView(mDanmakuView);
-            playerContainer.addView(mDanmakuView, 1);
-        }
     }
 
     private void addDisplay() {
@@ -128,13 +122,6 @@ protected void startPlay() {
         }
     }
 
-    @Override
-    protected void startPrepare() {
-        super.startPrepare();
-        if (mDanmakuView != null) {
-            mDanmakuView.prepare(mParser, mContext);
-        }
-    }
     /**
      * 添加SurfaceView
      */
@@ -225,41 +212,9 @@ protected boolean checkNetwork() {
         return false;
     }
 
-    @Override
-    protected void startInPlaybackState() {
-        super.startInPlaybackState();
-        if (mDanmakuView != null && mDanmakuView.isPrepared() && mDanmakuView.isPaused()) {
-            mDanmakuView.resume();
-        }
-    }
-
-    @Override
-    public void pause() {
-        super.pause();
-        if (isInPlaybackState()) {
-            if (mDanmakuView != null && mDanmakuView.isPrepared()) {
-                mDanmakuView.pause();
-            }
-        }
-    }
-
-    @Override
-    public void resume() {
-        super.resume();
-        if (mDanmakuView != null && mDanmakuView.isPrepared() && mDanmakuView.isPaused()) {
-            mDanmakuView.resume();
-        }
-    }
-
-
     @Override
     public void release() {
         super.release();
-        if (mDanmakuView != null) {
-            // dont forget release!
-            mDanmakuView.release();
-            mDanmakuView = null;
-        }
         playerContainer.removeView(mTextureView);
         playerContainer.removeView(mSurfaceView);
         playerContainer.removeView(statusView);
@@ -269,34 +224,32 @@ public void release() {
         }
     }
 
-    @Override
-    public void seekTo(int pos) {
-        super.seekTo(pos);
-        if (isInPlaybackState()) {
-            if (mDanmakuView != null) mDanmakuView.seekTo((long) pos);
-        }
-    }
-
     @Override
     public void startFullScreen() {
+        Activity activity = WindowUtil.scanForActivity(getContext());
+        if (activity == null) return;
         if (isFullScreen) return;
         WindowUtil.hideSystemBar(getContext());
         this.removeView(playerContainer);
-        ViewGroup contentView = WindowUtil.scanForActivity(getContext())
+        ViewGroup contentView = activity
                 .findViewById(android.R.id.content);
         LayoutParams params = new LayoutParams(
                 ViewGroup.LayoutParams.MATCH_PARENT,
                 ViewGroup.LayoutParams.MATCH_PARENT);
         contentView.addView(playerContainer, params);
+        orientationEventListener.enable();
         isFullScreen = true;
         if (mVideoController != null) mVideoController.setPlayerState(PLAYER_FULL_SCREEN);
     }
 
     @Override
     public void stopFullScreen() {
+        Activity activity = WindowUtil.scanForActivity(getContext());
+        if (activity == null) return;
         if (!isFullScreen) return;
+        if (!mAutoRotate) orientationEventListener.disable();
         WindowUtil.showSystemBar(getContext());
-        ViewGroup contentView = WindowUtil.scanForActivity(getContext())
+        ViewGroup contentView = activity
                 .findViewById(android.R.id.content);
         contentView.removeView(playerContainer);
         LayoutParams params = new LayoutParams(
@@ -470,18 +423,6 @@ private void playNext() {
         }
     }
 
-
-    /**
-     * 添加弹幕
-     */
-    public IjkVideoView addDanmukuView(DanmakuView danmakuView, DanmakuContext context, BaseDanmakuParser parser) {
-        this.mDanmakuView = danmakuView;
-        this.mContext = context;
-        this.mParser = parser;
-        return this;
-    }
-
-
     /**
      * 设置视频比例
      */
@@ -513,7 +454,7 @@ public IjkVideoView useAndroidMediaPlayer() {
      * 锁定全屏播放
      */
     public IjkVideoView alwaysFullScreen() {
-        mAlwaysFullScreen = true;
+        this.mAlwaysFullScreen = true;
         return this;
     }
 
@@ -522,52 +463,6 @@ public IjkVideoView alwaysFullScreen() {
      */
     public IjkVideoView autoRotate() {
         this.mAutoRotate = true;
-        if (orientationEventListener == null) {
-            orientationEventListener = new OrientationEventListener(getContext()) { // 加速度传感器监听，用于自动旋转屏幕
-
-                private int CurrentOrientation = 0;
-                private static final int PORTRAIT = 1;
-                private static final int LANDSCAPE = 2;
-                private static final int REVERSE_LANDSCAPE = 3;
-
-                @Override
-                public void onOrientationChanged(int orientation) {
-                    if (orientation >= 340) { //屏幕顶部朝上
-                        if (isLocked || mAlwaysFullScreen) return;
-                        if (CurrentOrientation == PORTRAIT) return;
-                        if ((CurrentOrientation == LANDSCAPE || CurrentOrientation == REVERSE_LANDSCAPE) && !isFullScreen()) {
-                            CurrentOrientation = PORTRAIT;
-                            return;
-                        }
-                        CurrentOrientation = PORTRAIT;
-                        WindowUtil.scanForActivity(getContext()).setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
-                        stopFullScreen();
-                    } else if (orientation >= 260 && orientation <= 280) { //屏幕左边朝上
-                        if (CurrentOrientation == LANDSCAPE) return;
-                        if (CurrentOrientation == PORTRAIT && isFullScreen()) {
-                            CurrentOrientation = LANDSCAPE;
-                            return;
-                        }
-                        CurrentOrientation = LANDSCAPE;
-                        if (!isFullScreen()) {
-                            startFullScreen();
-                        }
-                        WindowUtil.scanForActivity(getContext()).setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
-                    } else if (orientation >= 70 && orientation <= 90) { //屏幕右边朝上
-                        if (CurrentOrientation == REVERSE_LANDSCAPE) return;
-                        if (CurrentOrientation == PORTRAIT && isFullScreen()) {
-                            CurrentOrientation = REVERSE_LANDSCAPE;
-                            return;
-                        }
-                        CurrentOrientation = REVERSE_LANDSCAPE;
-                        if (!isFullScreen()) {
-                            startFullScreen();
-                        }
-                        WindowUtil.scanForActivity(getContext()).setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE);
-                    }
-                }
-            };
-        }
         return this;
     }
 }
diff --git a/library/src/main/res/layout/layout_standard_controller.xml b/library/src/main/res/layout/layout_standard_controller.xml
index 623a573d..649a68e3 100644
--- a/library/src/main/res/layout/layout_standard_controller.xml
+++ b/library/src/main/res/layout/layout_standard_controller.xml
@@ -38,7 +38,7 @@
 
         <ImageView
             android:id="@+id/iv_battery"
-            android:layout_width="18dp"
+            android:layout_width="26dp"
             android:layout_height="20dp"
             tools:src="@drawable/ic_action_battery"/>