Android初学第80天
20_MVVM
代码
BeatBox
BeatBox.java
package com.bignerdranch.android.beatbox;import android.content.Context;
import android.content.res.AssetManager;
import android.util.Log;import java.io.IOException;
import java.util.ArrayList;
import java.util.List;public class BeatBox {private static final String TAG = "BeatBox";private static final String SOUNDS_FOLDER = "sample_sounds";private AssetManager mAssets;private List<Sound> mSounds = new ArrayList<>();public BeatBox(Context context) {mAssets = context.getAssets();loadSounds();}private void loadSounds() {String[] soundNames;try {soundNames = mAssets.list(SOUNDS_FOLDER);Log.i(TAG, "Found " + soundNames.length + " sounds");} catch (IOException ioe) {Log.e(TAG, "Could not list assets", ioe);return;}for (String filename : soundNames) {String assetPath = SOUNDS_FOLDER + "/" + filename;Sound sound = new Sound(assetPath);mSounds.add(sound);}}public List<Sound> getSounds() {return mSounds;}
}
)
)
