一、今日学习内容
android实现播放网络视频
PlayVideoActivity.java
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package cn.edu.zufe.app002;import android.Manifest;import android.content.pm.PackageManager;import android.net.Uri;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.Toast;import android.widget.VideoView;import androidx.annotation.NonNull;import androidx.appcompat.app.AppCompatActivity;import androidx.core.app.ActivityCompat;import androidx.core.content.ContextCompat;public class PlayVideoActivity extends AppCompatActivity implements View.OnClickListener{ private VideoView vvVideo; private Button btnPlay; private Button btnPause; private Button btnReplay; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_play_video); vvVideo = (VideoView) findViewById(R.id.vv_video); btnPlay = (Button) findViewById(R.id.btn_play); btnPause = (Button) findViewById(R.id.btn_pause); btnReplay = (Button) findViewById(R.id.btn_replay); btnPlay.setOnClickListener(this); btnPause.setOnClickListener(this); btnReplay.setOnClickListener(this); if(ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, 1); } else { initVideoView(); } } private void initVideoView() { } @Override public void onClick(View v) { switch (v.getId()) { case R.id.btn_play: if(!vvVideo.isPlaying()) { vvVideo.start(); } break; case R.id.btn_pause: if(vvVideo.isPlaying()) { vvVideo.pause(); } break; case R.id.btn_replay: if(vvVideo.isPlaying()) { vvVideo.resume(); } break; default: break; } } @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); switch (requestCode) { case 1: if(grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { initVideoView(); } else { Toast.makeText(this, "没有足够的权限", Toast.LENGTH_SHORT).show(); finish(); } } }} |
activity_play_video.xml
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<?xml version="1.0" encoding="utf-8"?> android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context=".PlayVideoActivity"> <VideoView android:layout_width="match_parent" android:layout_height="400dp" android:id="@+id/vv_video" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"> <Button android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="播放" android:id="@+id/btn_play" /> <Button android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="暂停" android:id="@+id/btn_pause" /> <Button android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="重播" android:id="@+id/btn_replay" /> </LinearLayout></LinearLayout> |
二、遇到的问题
暂无
三、明日计划
继续安卓学习