OnPreparedListener mediaPlayerOnPreparedListener = new OnPreparedListener() { @Override public void onPrepared(MediaPlayer arg0) { // 首先取得video的宽和高 int vWidth = mediaPlayer.getVideoWidth(); int vHeight = mediaPlayer.getVideoHeight(); // 该LinearLayout的父容器 android:orientation="vertical" 必须 LinearLayout linearLayout = (LinearLayout) findViewById(R.id.layoutPlay); int lw = linearLayout.getWidth(); int lh = linearLayout.getHeight(); if (vWidth > lw || vHeight > lh) { // 如果video的宽或者高超出了当前屏幕的大小,则要进行缩放 float wRatio = (float) vWidth / (float) lw; float hRatio = (float) vHeight / (float) lh; // 选择大的一个进行缩放 float ratio = Math.max(wRatio, hRatio); vWidth = (int) Math.ceil((float) vWidth / ratio); vHeight = (int) Math.ceil((float) vHeight / ratio); // 设置surfaceView的布局参数 LinearLayout.LayoutParams lp= new LinearLayout.LayoutParams(vWidth, vHeight); lp.gravity = Gravity.CENTER; surfaceView.setLayoutParams(lp); } // 然后开始播放视频 mediaPlayer.start(); } };
时间: 2024-10-10 01:22:34