透過兩個按鈕配合絕對佈局元件操控VideoView大小與位置

透過兩個按鈕配合絕對佈局元件操控VideoView大小與位置

 

package com.example.abs_2_videoview; import com.example.abs_2_videoview.MainActivity.ButListener; import android.net.Uri; import android.os.Bundle; import android.app.Activity; import android.view.Menu; /////////////////////////////////////// import android.view.View; import android.util.AttributeSet; import android.util.DisplayMetrics; import android.util.Log; import android.view.Window; import android.view.WindowManager; import android.widget.AbsoluteLayout; import android.widget.Button; import android.widget.TextView; import android.view.*; import android.view.View.*; import android.widget.*; import android.view.ViewGroup.MarginLayoutParams; import android.app.ActionBar.LayoutParams; import android.content.Context; public class MainActivity extends Activity { Button[] bt; AbsoluteLayout AbsLayout2; AbsoluteLayout AbsLayout1; DisplayMetrics metrics; VideoView VideoView1; int width,height; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ///////////////////////////////////////// requestWindowFeature(Window.FEATURE_NO_TITLE); //全螢幕設定 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); ///////////////////////////////////////// AbsLayout1=new AbsoluteLayout(this); setContentView(AbsLayout1); ///////////////////////////////////////// metrics = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(metrics); bt=new Button[2]; bt[0]=new Button(this); bt[0].setText("0"); bt[0].setWidth(metrics.widthPixels/2); bt[0].setHeight(metrics.heightPixels/2); bt[0].setFocusable(true); bt[0].setOnClickListener(new ButListener()); bt[0].setLayoutParams( new AbsoluteLayout.LayoutParams( metrics.widthPixels/2, metrics.heightPixels/2, 0, 0 ) ); AbsLayout1.addView(bt[0]); bt[1]=new Button(this); bt[1].setText("1"); bt[1].setWidth(metrics.widthPixels/2); bt[1].setHeight(metrics.heightPixels/2); bt[1].setOnClickListener(new ButListener()); bt[1].setLayoutParams( new AbsoluteLayout.LayoutParams( metrics.widthPixels/2, metrics.heightPixels/2, metrics.widthPixels/2, 0 ) ); AbsLayout1.addView(bt[1]); AbsLayout2=new AbsoluteLayout(this); AbsLayout2.setLayoutParams(new AbsoluteLayout.LayoutParams( metrics.widthPixels, metrics.heightPixels/2, 0, metrics.heightPixels/2)); VideoView1=new VideoView(this){ @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { //setMeasuredDimension(width,height); //width = getDefaultSize(width, widthMeasureSpec); //height = getDefaultSize(height, heightMeasureSpec); setMeasuredDimension(width, height); } }; VideoView1.setVideoURI(Uri.parse("/sdcard/jash.mp4")); MediaController mediaController = new MediaController(this); VideoView1.setMediaController(mediaController); VideoView1.start(); VideoView1.setLayoutParams(new AbsoluteLayout.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT,0,0)); width=metrics.widthPixels; height=metrics.heightPixels/2; VideoView1.getHolder().setFixedSize(width, height); VideoView1.requestLayout(); VideoView1.invalidate(); AbsLayout2.addView(VideoView1); AbsLayout2.setVisibility(View.VISIBLE);//show AbsLayout1.addView(AbsLayout2); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } class ButListener implements OnClickListener { public void onClick(View v) { if(v==bt[0]) { bt[0].setText("0 clicked..."); bt[0].setVisibility(View.INVISIBLE);//hide bt[1].setVisibility(View.VISIBLE);//show AbsLayout2.setLayoutParams(new AbsoluteLayout.LayoutParams( metrics.widthPixels, metrics.heightPixels/2, 0, metrics.heightPixels/2)); //VideoView1.setLayoutParams(new AbsoluteLayout.LayoutParams(metrics.widthPixels/2, metrics.heightPixels/2,metrics.widthPixels/2,0));//移動player OK VideoView1.setLayoutParams(new AbsoluteLayout.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT,0,0));//配合下面程式可以正常將畫面擴展 width=metrics.widthPixels; height=metrics.heightPixels/2; VideoView1.getHolder().setFixedSize(width, height); VideoView1.requestLayout(); VideoView1.invalidate(); } if(v==bt[1]) { bt[1].setText("1 clicked..."); bt[1].setVisibility(View.INVISIBLE);//hide bt[0].setVisibility(View.VISIBLE);//show AbsLayout2.setLayoutParams(new AbsoluteLayout.LayoutParams( metrics.widthPixels/2, metrics.heightPixels/2, 0, metrics.heightPixels/2)); VideoView1.setLayoutParams(new AbsoluteLayout.LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT,0,0)); width=metrics.widthPixels/2; height=metrics.heightPixels/2; VideoView1.getHolder().setFixedSize(width, height); VideoView1.requestLayout(); VideoView1.invalidate(); } } } }