如何在旋转 android 设备时设置全屏视频

Question

我正在使用视频视图播放来自外部卡的 MP4 视频文件。当我旋转 android 设备时，视频未全屏显示。正在处理 android 4.4 正常，包括下面的 ui 输出屏幕当我旋转 phone

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:id="@+id/video"
        android:orientation="vertical"
        android:background="@drawable/planebackground">

        <android.support.design.widget.AppBarLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:theme="@style/AppTheme.AppBarOverlay">

            <android.support.v7.widget.Toolbar
                android:id="@+id/videotoolbar"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:background="?attr/colorPrimary"
                app:popupTheme="@style/AppTheme.PopupOverlay" />

        </android.support.design.widget.AppBarLayout>

        <RelativeLayout
            android:id="@+id/layout1"

            android:layout_width="wrap_content"
            android:layout_height="200dp"
            >

            <VideoView
                android:id="@+id/VideoView"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerHorizontal="true" />

        </RelativeLayout>

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_below="@+id/layout1"
            android:weightSum="1">

            <TextView
                android:text="About Course"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentTop="true"
                android:layout_alignParentLeft="true"
                android:layout_alignParentStart="true"
                android:textSize="16sp"
                android:layout_marginLeft="19dp"
                android:layout_marginStart="19dp"
                android:layout_marginTop="70dp"
                android:id="@+id/aboutcuz" />

            <TextView
                android:text="TextView"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="48dp"
                android:id="@+id/about_course_text"
                android:fontFamily="Arial"
                android:layout_below="@+id/aboutcuz"
                android:layout_alignLeft="@+id/aboutcuz"
                android:layout_alignStart="@+id/aboutcuz"
                android:layout_marginLeft="43dp"
                android:layout_marginStart="43dp"
                android:gravity="center"
                />

            <TextView
                android:text="TextView"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:lines="2"
                android:scrollHorizontally="true"
                android:ellipsize="end"
                android:id="@+id/coursenamev"
                android:textSize="18sp"
                android:layout_alignParentTop="true"
                android:layout_alignLeft="@+id/aboutcuz"
                android:layout_alignStart="@+id/aboutcuz"
                android:layout_marginTop="18dp" />
            <View
                android:layout_width="match_parent"
                android:layout_height="1dp"
                android:layout_marginTop="60dp"

                android:background="@android:color/darker_gray"/>
            <View
                android:layout_width="match_parent"
                android:layout_height="1dp"
                android:layout_below="@+id/aboutcuz"
                android:layout_marginTop="10dp"

                android:background="@android:color/darker_gray"/>


        </RelativeLayout>


    </LinearLayout>

我的代码中是否存在任何布局问题

Answer 1

当你创建一个新的"full screen activity"时，simple.You可以找到一个例子。

是这样的：

// Hide UI first
    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
        actionBar.hide();
    }
    mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE
            | View.SYSTEM_UI_FLAG_FULLSCREEN
            | View.SYSTEM_UI_FLAG_LAYOUT_STABLE
            | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
            | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);

Answer 2

请试试这个。我希望这可能会导致您想要的结果。

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
          xmlns:app="http://schemas.android.com/apk/res-auto"
          xmlns:tools="http://schemas.android.com/tools"
          android:layout_width="fill_parent"
          android:layout_height="fill_parent"
          android:id="@+id/video"
          android:orientation="vertical">

<android.support.design.widget.AppBarLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:theme="@style/AppTheme.AppBarOverlay">

    <android.support.v7.widget.Toolbar
        android:id="@+id/videotoolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="?attr/colorPrimary"
        app:popupTheme="@style/AppTheme.PopupOverlay" />

</android.support.design.widget.AppBarLayout>

<RelativeLayout
    android:id="@+id/layout1"

    android:layout_width="match_parent"
    android:layout_height="200dp"
    >

    <VideoView
        android:id="@+id/VideoView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true" />

</RelativeLayout>

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_below="@+id/layout1"
    android:weightSum="1">

    <TextView
        android:text="About Course"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:textSize="16sp"
        android:layout_marginLeft="19dp"
        android:layout_marginStart="19dp"
        android:layout_marginTop="70dp"
        android:id="@+id/aboutcuz" />

    <TextView
        android:text="TextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="48dp"
        android:id="@+id/about_course_text"
        android:fontFamily="Arial"
        android:layout_below="@+id/aboutcuz"
        android:layout_alignLeft="@+id/aboutcuz"
        android:layout_alignStart="@+id/aboutcuz"
        android:layout_marginLeft="43dp"
        android:layout_marginStart="43dp"
        android:gravity="center"
        />

    <TextView
        android:text="TextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:lines="2"
        android:scrollHorizontally="true"
        android:ellipsize="end"
        android:id="@+id/coursenamev"
        android:textSize="18sp"
        android:layout_alignParentTop="true"
        android:layout_alignLeft="@+id/aboutcuz"
        android:layout_alignStart="@+id/aboutcuz"
        android:layout_marginTop="18dp" />
    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_marginTop="60dp"

        android:background="@android:color/darker_gray"/>
    <View
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_below="@+id/aboutcuz"
        android:layout_marginTop="10dp"

        android:background="@android:color/darker_gray"/>


</RelativeLayout>

Answer 3

自定义 VideoView class

public class FullScreenVideoView extends VideoView {
    public FullScreenVideoView(Context context) {
        super(context);
    }

    public FullScreenVideoView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public FullScreenVideoView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec){
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        setMeasuredDimension(widthMeasureSpec, heightMeasureSpec);
    }

    public void setFixedVideoSize(int width, int height)
    {
        getHolder().setFixedSize(width, height);
    }
}

并在 VideoView

的布局中设置

<yourpackage.FullScreenVideoView
                android:id="@+id/VideoView"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                />

Answer 4

做这样的事情

@Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        Logger.debug(TAG, "onConfigChanged");
        updateLayout(newConfig.orientation);
    }

 /**
     * Update the current layout params according to current device orientation.
     */
    private void updateLayout(int orientation) {
        LinearLayout.LayoutParams favParams = (LinearLayout.LayoutParams) mFavoriteLayout.getLayoutParams();
        LinearLayout.LayoutParams historyParams = (LinearLayout.LayoutParams) mHistoryLayout.getLayoutParams();
        LinearLayout.LayoutParams colParams = (LinearLayout.LayoutParams) mColumnLayout.getLayoutParams();
        if (orientation == Configuration.ORIENTATION_PORTRAIT) {
            mColumnLayout.setOrientation(LinearLayout.VERTICAL);
            historyParams.width = favParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
            historyParams.height = favParams.height = 0;
            colParams.weight = 1.0f;
        } else if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mColumnLayout.setOrientation(LinearLayout.HORIZONTAL);
            historyParams.height = favParams.height = ViewGroup.LayoutParams.MATCH_PARENT;
            historyParams.width = favParams.width = 0;
            colParams.weight = 2.0f;
        }

        // Set back updated params and redraw
        mFavoriteLayout.setLayoutParams(favParams);
        mHistoryLayout.setLayoutParams(historyParams);
        mColumnLayout.setLayoutParams(colParams);
        mColumnLayout.invalidate();
    }

当你改变方向改变重量，你可以达到你想要的。

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