Android初學第80天

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Android初學第80天

20_MVVM

代碼BeatBoxBeatBox.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;    }}

Android初學第80天