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Allocation.md

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440 lines (395 loc) · 14.9 KB

Android-Allocation

wriprin

  • > Read Songs From Phone Part - 2

    • 获取权限

    • GetAllAudio()

  • > Read Songs From Phone Part - 8 | Shuffle, Repeat And Delete A File

  • > Read Songs From Phone Part - 9 | Album Fragment Part

    • Commit the layout of Album and tied to the songs

  • > Read Songs From Phone Part - 12 | Search Files Filter List

DJG

  • 显示歌曲列表。

    • > Read Songs From Phone Part - 3

      • Display SongList

      1. New layout resource files - music_items.xml to display the SongList

      2. New io.wriprin.android.ipod.MusicAdapter.java collect the info

      3. Import Glide dependency to build.gradle (Module: app)

      //Glide
implementation 'com.github.bumptech.glide:glide:4.11.0'
annotationProcessor 'com.github.bumptech.glide:compiler:4.11.0'

      4. songsFragment.java - recyclerview match Adapter

  • 实现音乐集内歌曲的播放。

    • > Read Songs From Phone Part - 11 | Play Album Files

      • Play the songs in Ablum list.

      1. When click the songs, JMP to the PlayerActivity.java

      holder.itemView.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
        Intent intent = new Intent(mContext, PlayerActivity.class);
        intent.putExtra("sender", "albumDetails");
        intent.putExtra("position", position);
        mContext.startActivity(intent);
    }
});

      2. Get Intent in PlayerActivity.java

      String sender = getIntent().getStringExtra("sender");
if (sender != null && sender.equals("albumDetails"))
{
    listSongs = albumFiles;
}
else
{
    listSongs = mFiles;
}

  • 用户注册登录及个人信息填写。

GF

  • 提交歌曲播放页面的布局，VectorAssest的使用。

    • > Read Songs From Phone Part - 4

      • 1. Add the Vector Assest which under drawable and change to a suitable color.

        2. New io.wriprin.android.ipod.PlayerActivity(EmptyActivity)

        3. New (Drawable Resource File ) - main_bg.xml

        • RootElement is shape

        4. New (Drawable Resource File ) - gradient.xml

        5. Add FloatingActionButton in activity_player.xml

        <com.google.android.material.floatingactionbutton.FloatingActionButton
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/play_pause"
    android:src="@drawable/ic_play"
    android:layout_centerHorizontal="true"
    android:layout_centerVertical="true"
    android:focusable="true"
    android:clickable="true"/>

SWY

  • 实现歌曲渐入渐出效果，当歌曲结束时自动播放下一首歌曲。

  • > Read Songs From Phone Part - 7 | Animation APP

    • implement the animation of song_fading out and in, autoplay the next_song when current_song is done.

    1. Add the ImageAnimation()

    //the animation of songs_changing
public void ImageAnimation(final Context context, final ImageView imageView, final Bitmap bitmap)
{
    Animation animOut = AnimationUtils.loadAnimation(context, android.R.anim.fade_out);
    final Animation animIn = AnimationUtils.loadAnimation(context, android.R.anim.fade_in);
    animOut.setAnimationListener(new Animation.AnimationListener() {
        @Override
        public void onAnimationStart(Animation animation) {

        }

        @Override
        public void onAnimationEnd(Animation animation) {
            Glide.with(context).load(bitmap).into(imageView);
            animIn.setAnimationListener(new Animation.AnimationListener() {
                @Override
                public void onAnimationStart(Animation animation) {

                }

                @Override
                public void onAnimationEnd(Animation animation) {

                }

                @Override
                public void onAnimationRepeat(Animation animation) {

                }
            });
            imageView.startAnimation(animIn);
        }

        @Override
        public void onAnimationRepeat(Animation animation) {

        }
    });
    imageView.startAnimation(animOut);
}

    2. Implement MediaPlayer.OnCompletionListener in PlayerActivity.java

    public class PlayerActivity extends AppCompatActivity implements MediaPlayer.OnCompletionListener{

    3. Implement the method for the FUNC of autoplay

    @Override
public void onCompletion(MediaPlayer mp) {
    nextBtnClicked();
    if (mediaPlayer != null)
    {
        mediaPlayer = MediaPlayer.create(getApplicationContext(), uri);
        mediaPlayer.start();
        mediaPlayer.setOnCompletionListener(this);
    }
}

YYJ

  • 初始页面设计。

    • > Read Songs From Phone Part - 1

      • commit the viewpagers and the style of tabindicator.

      1. Download the TabLayout. Tip1, Tip2

      <com.google.android.material.tabs.TabLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/colorPrimaryDark"
    android:id="@+id/tab_layout"
    app:tabIndicatorFullWidth="true"
    app:tabIndicatorGravity="center"
    app:tabTextColor="@color/colorAccent"
    app:tabIndicatorHeight="40dp"
    app:tabIndicatorColor="#009688"
    app:tabIndicator="@drawable/tab_indicator"/>

      2. ViewPager

      <com.google.android.material.tabs.TabLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/colorPrimaryDark"
    android:id="@+id/tab_layout"
    app:tabIndicatorFullWidth="true"
    app:tabIndicatorGravity="center"
    app:tabTextColor="@color/colorAccent"
    app:tabIndicatorHeight="40dp"
    app:tabIndicatorColor="#009688"
    app:tabIndicator="@drawable/tab_indicator"/>

      3. Viewpageradapter

      public static class ViewPagerAdapter extends FragmentPagerAdapter {
    private ArrayList<Fragment> fragments;
    private ArrayList<String> titles;


    public ViewPagerAdapter(@NonNull FragmentManager fm) {
        super(fm);
        this.fragments = new ArrayList<>();
        this.titles = new ArrayList<>();
    }

    void addFragments(Fragment fragment, String title){
        fragments.add(fragment);
        titles.add(title);
    }

    @NonNull
    @Override
    public Fragment getItem(int position) {
        return fragments.get(position);
    }

    @Override
    public int getCount() {
        return fragments.size();
    }

    @Nullable
    @Override
    public CharSequence getPageTitle(int position) {
        return titles.get(position);
    }
}

      4. New songsFragment.xml and albumFragment.xml

      5. New tabindicator.xml to initialize its style

      <?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient android:centerColor="@color/colorPrimaryDark" android:angle="0"/>
</shape>

CCK

  • 将歌曲添加到音乐集中。

    • > Read Songs From Phone Part - 10 | Album Fragment Details

      • commit the FUNC of Album JMP its fragment.

      1. New AlbumDetails.java ==> (Activity)

      2. Design activity_album_details.xml

      3. Implement the FUNC of Album JMP its fragment (activity_album_details.xml)

      holder.itemView.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
        Intent intent = new Intent(mContext, AlbumDetails.class);
        intent.putExtra("albumName", albumFiles.get(position).getAlbum());
        mContext.startActivity(intent);
    }
});

      • Display songs' own albumPhoto.

      @Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_album_details);
    recyclerView = findViewById(R.id.recyclerView);
    albumPhoto = findViewById(R.id.albumPhoto);
    albumName = getIntent().getStringExtra("albumName");
    int j = 0;
    for (int i = 0 ; i < musicFiles.size() ; i ++)
    {
        if (albumName.equals(musicFiles.get(i).getAlbum()))
        {
            albumSongs.add(j, musicFiles.get(i));
            j ++;
        }
    }
    byte[] image = getAlbumArt(albumSongs.get(0).getPath());
    if (image != null)
    {
        Glide.with(this)
                .load(image)
                .into(albumPhoto);
    }
    else
    {
        Glide.with(this)
                .load(R.drawable.bewedoc)
                .into(albumPhoto);
    }

}

      • Show the songs which is belong to the specific Album.

      1. New AlbumDetailsAdapter.java

      copy AlbumAdapter.java to AlbumDetailsAdapter.java

      2. Ctrl + O: Implement onResume()

      @Override
protected void onResume() {
    super.onResume();
    if (!(albumSongs.size() < 1))
    {
        albumDetailsAdapter = new AlbumDetailsAdapter(this, albumSongs);
        recyclerView.setAdapter(albumDetailsAdapter);
        recyclerView.setLayoutManager(new LinearLayoutManager(this,
                RecyclerView.VERTICAL, false));
    }
}