Picassoでキャッシュの簡単設定

compile 'com.squareup.picasso:picasso:2.5.2'
compile 'com.squareup.okhttp:okhttp:2.4.0'

public class MainApplication extends Application implements Application.ActivityLifecycleCallbacks {

private final static SET_MAX_DISC_CACHE_SIZE;//ここにcacheのmaxサイズを設定することができる

    @Override
    public void onCreate() {
        //set cache and downloader to Picasso
        Picasso.Builder builder = new Picasso.Builder(this);
        builder.downloader(new OkHttpDownloader(this, Integer.MAX_VALUE));
        FincLruCache fincLruCache = new FincLruCache(SET_MAX_DISC_CACHE_SIZE);
        Picasso built = builder.memoryCache(fincLruCache).build();
        built.setIndicatorsEnabled(true);
        built.setLoggingEnabled(true);
        Picasso.setSingletonInstance(built);
    }
}

Picasso.with(getActivity())
.load(imageUrl)
.networkPolicy(NetworkPolicy.NO_STORE)
.into(imageView)

Picasso.with(getActivity())
.load(imageUrl)
.setworkPolicy(NetworkPolicy.OFFLINE)
.into(imageView, new Callback() {
    @Override
    public void onSuccess() {

    }

    @Override
    public void onError() {
        //Try again online if cache failed
        Picasso.with(getActivity())
                .load(imageUrl)
                .error(R.drawable.image)
　　　　　　　　　//エラー時の画像
                .placeholder(R.drawable.image)
                //読み込み時の画像
                .into(imageView, new Callback() {
            @Override
            public void onSuccess() {

            }
             @Override
            public void onError() {
                //エラー処理
            }
        });
    }
});