<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="db.lanxing.damexshixu.ui.frament.BlankFragment2"> <android.support.v7.widget.RecyclerView android:id="@+id/rcw2" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" /> <TextView android:id="@+id/name" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="9" /> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="9" android:orientation="horizontal"> <SeekBar android:id="@+id/sbr" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" /> <TextView android:id="@+id/time" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="5" /> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="9" android:orientation="horizontal"> <ImageButton android:id="@+id/back" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/musicplaybar_back" /> <ImageButton android:id="@+id/pause" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/stat_notify_musicplayer" /> <ImageButton android:id="@+id/play" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:visibility="gone" android:background="@drawable/musicplaybar_stop" /> <ImageButton android:id="@+id/next" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" android:background="@drawable/musicplaybar_next" /> <ImageButton android:id="@+id/mu" android:background="@drawable/noconnect_music" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" /> </LinearLayout> </LinearLayout>//音乐播放器，只要一开始播放就开始发送handle,开始不停更新，直到音乐播完
package db.lanxing.damexshixu.ui.frament; import android.Manifest; import android.content.Intent; import android.database.Cursor; import android.media.MediaPlayer; import android.os.Bundle; import android.os.Handler; import android.provider.MediaStore; import android.support.annotation.NonNull; import android.support.v4.app.Fragment; import android.support.v7.widget.RecyclerView; import android.support.v7.widget.StaggeredGridLayoutManager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageButton; import android.widget.SeekBar; import android.widget.TextView; import com.chad.library.adapter.base.BaseQuickAdapter; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.ArrayList; import butterknife.BindView; import butterknife.ButterKnife; import butterknife.OnClick; import butterknife.Unbinder; import db.lanxing.damexshixu.R; import db.lanxing.damexshixu.adapter.MyMusicAdapter; import db.lanxing.damexshixu.adapter.MyRecAdapter; import db.lanxing.damexshixu.data.Musics; import db.lanxing.damexshixu.ui.activity.ImgActivity; import permissions.dispatcher.NeedsPermission; import permissions.dispatcher.RuntimePermissions; /** * A simple {@link Fragment} subclass. */ @RuntimePermissions public class BlankFragment2 extends Fragment { ArrayList<Musics> list = new ArrayList<>(); SimpleDateFormat format = new SimpleDateFormat("mm:ss"); @BindView(R.id.name) TextView name; Unbinder unbinder1; private Handler handler = new Handler(); private MediaPlayer player; Runnable runnable = new Runnable() { @Override public void run() { sbr.setMax(player.getDuration()); sbr.setProgress(player.getCurrentPosition()); time.setText(format.format(player.getCurrentPosition())); handler.postDelayed(runnable, 100);//重复更新 } }; @BindView(R.id.rcw2) RecyclerView rcw2; @BindView(R.id.sbr) SeekBar sbr; @BindView(R.id.time) TextView time; @BindView(R.id.back) ImageButton back; @BindView(R.id.pause) ImageButton pause; @BindView(R.id.play) ImageButton play; @BindView(R.id.next) ImageButton next; @BindView(R.id.mu) ImageButton mu; Unbinder unbinder; private View inflate; private int bj; private MyMusicAdapter adapter; public BlankFragment2() { // Required empty public constructor } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment inflate = inflater.inflate(R.layout.fragment_blank_fragment2, container, false); unbinder1 = ButterKnife.bind(this, inflate); BlankFragment2PermissionsDispatcher.myMp3WithCheck(this); initListener(); return inflate; } private void initListener() { rcw2.setLayoutManager(new StaggeredGridLayoutManager(1, StaggeredGridLayoutManager.VERTICAL)); adapter = new MyMusicAdapter(R.layout.music, list); rcw2.setAdapter(adapter); adapter.setOnItemClickListener(new BaseQuickAdapter.OnItemClickListener() { @Override public void onItemClick(BaseQuickAdapter adapter, View view, int position) { bj = position; plays(position); } }); adapter.setOnItemLongClickListener(new BaseQuickAdapter.OnItemLongClickListener() { private Intent intent; @Override public boolean onItemLongClick(BaseQuickAdapter adapter, View view, int position) { intent = new Intent(getActivity(), ImgActivity.class); intent.putExtra("img",list.get(position).getImgdata()); startActivity(intent); return true; } }); sbr.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { } @Override public void onStartTrackingTouch(SeekBar seekBar) { } @Override public void onStopTrackingTouch(SeekBar seekBar) { player.seekTo(sbr.getProgress()); } }); } @NeedsPermission({Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE}) void myMp3() { Cursor query = getActivity().getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, null, null, null, MediaStore.Audio.Media.DEFAULT_SORT_ORDER); Cursor queryImg = getActivity().getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, null, null, null, MediaStore.Images.Media.DEFAULT_SORT_ORDER); if (query.moveToFirst() && queryImg.moveToFirst()) { while (!query.isAfterLast() && !queryImg.isAfterLast()) { String title = query.getString(query.getColumnIndex(MediaStore.Audio.Media.TITLE)); String album = query.getString(query.getColumnIndex(MediaStore.Audio.Media.ALBUM)); String artist = query.getString(query.getColumnIndex(MediaStore.Audio.Media.ARTIST)); String data = query.getString(query.getColumnIndex(MediaStore.Audio.Media.DATA)); int duration = query.getInt(query.getColumnIndex(MediaStore.Audio.Media.DURATION)); String id = query.getString(query.getColumnIndex(MediaStore.Audio.Media._ID)); long size = query.getLong(query.getColumnIndex(MediaStore.Audio.Media.SIZE)); String img = queryImg.getString(queryImg.getColumnIndex(MediaStore.Images.Media.DATA)); if (size > 1024 * 800) { list.add(new Musics(id, title, artist, data, img, album, duration)); } query.moveToNext(); queryImg.moveToNext(); } } } private void getStart(int position) { try { player.setDataSource(list.get(position).getData());//设置路径 player.prepare();//准备播放 name.setText(list.get(position).getTitle());//设置歌名 time.setText(format.format(player.getDuration()));//设置总时间 player.setLooping(true);//设置重复播放 player.start();//开始播放 handler.post(runnable);//开始更新数据 } catch (IOException e) { e.printStackTrace(); } } @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); BlankFragment2PermissionsDispatcher.onRequestPermissionsResult(this, requestCode, grantResults); } @Override public void onDestroyView() { super.onDestroyView(); unbinder1.unbind(); } @OnClick({R.id.back, R.id.pause, R.id.play, R.id.next, R.id.mu}) public void onViewClicked(View view) { switch (view.getId()) { case R.id.back: if (bj == 0) { bj = list.size() - 1; } else { --bj; } plays(bj); break; case R.id.pause: getSS(); break; case R.id.play: break; case R.id.next: if (bj == list.size() - 1) { bj = 0; } else { --bj; } plays(bj); break; case R.id.mu: break; } } private void getSS() { if (player == null) { player = new MediaPlayer(); getStart(bj); } else { if (player.isPlaying()) { player.pause(); } else { player.start(); } } } private void plays(int position) { if (player == null) { player = new MediaPlayer(); } else { player.stop(); player = new MediaPlayer(); // player.reset(); } getStart(position); } }
<?xml version="1.0" encoding="utf-8"?> <android.support.constraint.ConstraintLayout 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="match_parent" android:layout_height="match_parent" tools:context="db.lanxing.damexshixu.ui.activity.VideoActivity"> <VideoView android:id="@+id/vi" android:layout_width="match_parent" android:layout_height="match_parent" /> </android.support.constraint.ConstraintLayout>
//视频播放器有自带的控制器
package db.lanxing.damexshixu.ui.activity; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.MediaController; import android.widget.VideoView; import butterknife.BindView; import butterknife.ButterKnife; import db.lanxing.damexshixu.R; public class VideoActivity extends AppCompatActivity { @BindView(R.id.vi) VideoView vi; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_video); ButterKnife.bind(this); initView(); } private void initView() { vi = (VideoView) findViewById(R.id.vi); //给视频设置控制器 vi.setMediaController(new MediaController(this)); //给视频设置路径 vi.setVideoPath(getIntent().getStringExtra("video")); vi.start(); vi.requestFocus();//让视频自动获取焦点 } }