Basic functions of mobile AV 6--video player (3)

1. Custom Videoview

1_ Custom videoview-Increase the Set video size method

public class Videoview extends Android.widget.VideoView {    /**     * Android system when looking for this class in a more XML layout, and instantiate it with this constructor method     *     * @param context     * @param attrs     *    /Public Videoview (context context, AttributeSet attrs) {        Super (context, attrs);    }    Public Videoview (Context context) {        super (context);    }    @Override    protected void onmeasure (int widthmeasurespec, int heightmeasurespec) {//        super.onmeasure ( Widthmeasurespec, Heightmeasurespec);        Setmeasureddimension (Widthmeasurespec, Heightmeasurespec);    }    /**     * Set the width and height of the video screen *     @param videowidth     * @param videoheight *     /public    void setvideosize (int videowidth, int videoheight) {        viewgroup.layoutparams layoutparams  =getlayoutparams ();        Layoutparams.width = Videowidth;        Layoutparams.height = videoheight;        Setlayoutparams (Layoutparams);    }}

2_ Get screen height and width method

In the player

WM = (WindowManager) getsystemservice (window_service); screenwidth = Wm.getdefaultdisplay (). getwidth (); screenHeight = Wm.getdefaultdisplay (). GetHeight ();D isplaymetrics displaymetrics = new Displaymetrics (); This.getwindowmanager (). Getdefaultdisplay (). Getmetrics (displaymetrics); screenwidth = Displaymetrics.widthpixels;screenheight = Displaymetrics.heightpixels;

3_ Video Default and fullscreen

One play up, in the Ready set video playback default

/** * true Full screen * flase default */private Boolean isfullscreen = false;/** * Video fullscreen and default * @param type*/public void setvideotype (int t ype) {switch (type) {case SCREEN_FULL:videoview.setVideoSize (screenwidth, screenheight); isfullscreen = True;btn_ Switch_screen.setbackgroundresource (r.drawable.btn_screen_dafult_selector); break;case screen_defult://Video's wide int Mvideowidth = videowidth;//video High int mvideoheight = videoheight;//screen width int width = screenwidth;//screen width int height = Screenheig Ht;if (mvideowidth > 0 && mvideoheight > 0) {if (Mvideowidth * height > Width * mvideoheight) {//LOG.I ("@@@", "image too tall, correcting"); height = width * mvideoheight/mvideowidth;}  else if (mvideowidth * Height < width * mvideoheight) {//log.i ("@@@", "image too wide, correcting"); width = height * Mvideowidth/mvideoheight;} else {//log.i ("@@@", "aspect ratio is correct:" +//width+ "/" +height+ "=" +//mvideowidth+ "/" +mvideoheight ";}} Videoview.setvideosize (width, height); btn_switch_screen.setbackgroundreSource (r.drawable.btn_screen_full_selector); isfullscreen = False;break; }}

4_ screen keeps the screen unlocked

The settings screen does not lock screen GetWindow (). SetFlags (WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON, WindowManager.LayoutParams.FLAG_ KEEP_SCREEN_ON);

5_ switch Playback mode when the button is clicked

Case R.id.btn_switch_screen:if (isfullscreen) {   setvideotype (screen_defualt);} else{   Setvideotype (screen_full);} Break

　　

　　

　　

　　

Basic functions of mobile AV 6--video player (3)