使用Retrofit、okhttp和picasso缓存图像和字符串

Cache cache = new Cache(context.getCacheDir(), cacheSize);
OkHttpClient client = new OkHttpClient.Builder()
        .cache(cache)
        .build();

Retrofit retrofit = new Retrofit.Builder()
        .baseUrl(baseUrl)
        .client(client)
        .build();

public interface ApiService {
    @GET("path/to/image")
    Call<ResponseBody> getImage();
    
    @GET("path/to/data")
    Call<String> getStringData();
}

ApiService apiService = retrofit.create(ApiService.class);
Call<ResponseBody> imageCall = apiService.getImage();
imageCall.enqueue(new Callback<ResponseBody>() {
    @Override
    public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) {
        if (response.isSuccessful()) {
            // 将响应转换为Bitmap，并使用Picasso加载
            Bitmap bitmap = BitmapFactory.decodeStream(response.body().byteStream());
            imageView.setImageBitmap(bitmap);
        }
    }

    @Override
    public void onFailure(Call<ResponseBody> call, Throwable t) {
        // 处理请求失败的情况
    }
});

Call<String> dataCall = apiService.getStringData();
dataCall.enqueue(new Callback<String>() {
    @Override
    public void onResponse(Call<String> call, Response<String> response) {
        if (response.isSuccessful()) {
            String data = response.body();
            // 缓存字符串数据
            // ...
        }
    }

    @Override
    public void onFailure(Call<String> call, Throwable t) {
        // 处理请求失败的情况
    }
});