需求是全屏播放視頻，劉海屏上面也要播放。

下面是我實現的方式：

首先創建 CustomVideoView 工具類：

import android.annotation.TargetApi; import android.content.Context; import android.util.AttributeSet; import android.widget.VideoView;/*** Name: 吳慶森* Date: 2019/7/9* Mailbox: 1243411677@qq.com* Describe:*/ public class CustomVideoView extends VideoView {public CustomVideoView(Context context) {super(context);}public CustomVideoView(Context context, AttributeSet attrs) {super(context, attrs);}public CustomVideoView(Context context, AttributeSet attrs, int defStyleAttr) {super(context, attrs, defStyleAttr);}@TargetApi(21)public CustomVideoView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {super(context, attrs, defStyleAttr, defStyleRes);}@Overrideprotected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {//int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec);int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec);//int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec);int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec);setMeasuredDimension(widthSpecSize, heightSpecSize);} }

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然后在xml文件中應用：

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"><ceshi.com.myapp.utils.CustomVideoViewandroid:id="@+id/videoPlay"android:layout_width="match_parent"android:layout_height="match_parent" /> </RelativeLayout>

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最后在 activity 中使用：

import android.content.res.Resources; import android.graphics.Color; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v4.app.FragmentActivity; import android.util.DisplayMetrics; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager;import ceshi.com.myapp.R; import ceshi.com.myapp.utils.CustomVideoView;/*** Name: 吳慶森* Date: 2019/7/9* Mailbox: 1243411677@qq.com* Describe:*/ public class VideoActivity1 extends FragmentActivity {CustomVideoView videoPlay;@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setInit();getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);setContentView(R.layout.video_activivy1);videoPlay = findViewById(R.id.videoPlay);DisplayMetrics dm = new DisplayMetrics();//獲取屏幕信息(單位：px)getWindowManager().getDefaultDisplay().getMetrics(dm);int screenWidth = dm.widthPixels;int screenHeigh = dm.heightPixels;int notificationBar = Resources.getSystem().getDimensionPixelSize(Resources.getSystem().getIdentifier("status_bar_height", "dimen", "android"));//30dp轉化為pxfinal float scale = getResources().getDisplayMetrics().density;//由30dp轉化來的pxint px = (int) (notificationBar * scale + 0.5f);//動態設置控件寬高ViewGroup.LayoutParams params = videoPlay.getLayoutParams();params.height = screenHeigh + (px);params.width = screenWidth ;videoPlay.setLayoutParams(params);videoPlay.setVideoPath("https://vdse.bdstatic.com/90bbe567a344884644b7046ba4b9906e.mp4?authorization=bce-auth-v1%2F40f207e648424f47b2e3dfbb1014b1a5%2F2017-05-11T09%3A02%3A31Z%2F-1%2F%2F1addef5f6cf2e56204e1f49e982c26e425b0fb9d9f845231bd7db8c541dcaeee");videoPlay.start();}@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)private void setInit() {//沉浸狀態欄getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);getWindow().setStatusBarColor(Color.TRANSPARENT);//設置頁面全屏顯示WindowManager.LayoutParams lp = getWindow().getAttributes();lp.layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;//設置頁面延伸到劉海區顯示getWindow().setAttributes(lp);} }

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這樣就可以全屏幕播放視頻了，但是視頻會有一定的拉伸。

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