2016-10-07 41 views
2

我試圖從網絡服務器下載和緩存與畢加索的圖像。我發現了一個解決方案就在這裏:https://stackoverflow.com/a/30686992/6884064與OKHttp不顯示圖像的畢加索:日誌錯誤

Picasso.Builder builder = new Picasso.Builder(this); 
      builder.downloader(new OkHttpDownloader(this,Integer.MAX_VALUE)); 
      Picasso built = builder.build(); 
      built.setIndicatorsEnabled(true); 
      built.setLoggingEnabled(true); 
      Picasso.setSingletonInstance(built); 

      Picasso.with(this) 
        .load("http://i.imgur.com/Q85lste.jpg") 
        .networkPolicy(NetworkPolicy.OFFLINE) 
        .into(coverImg); 

的build.gradle:

compile 'com.squareup.picasso:picasso:2.5.2' 
compile 'com.squareup.okhttp:okhttp:2.4.0' 
compile 'com.squareup.okhttp:okhttp-urlconnection:2.2.0' 

當我運行它,我的圖像佔位符消失,但新的圖像不加載

運行。日誌給我這個:

D/Picasso: Main  created  [R0] Request{http://i.imgur.com/Q85lste.jpg} 
D/Picasso: Dispatcher enqueued  [R0]+6ms 
D/Picasso: Hunter  executing [R0]+7ms 
W/System.err: remove failed: ENOENT (No such file or directory) : /data/user/0/com.test.example1/cache/picasso-cache/journal.tmp 
D/Picasso: Dispatcher batched  [R0]+45ms for error 
D/Picasso: Dispatcher delivered [R0]+246ms 
D/Picasso: Main  errored  [R0]+246ms 

任何人都知道這是怎麼回事?謝謝!

編輯:

它的工作與此代碼:

OkHttpClient okHttpClient = new OkHttpClient(); 
      okHttpClient.networkInterceptors().add(new Interceptor() { 
       @Override 
       public Response intercept(Interceptor.Chain chain) throws IOException { 
        Response originalResponse = chain.proceed(chain.request()); 
        return originalResponse.newBuilder().header("Cache-Control", "max-age=" + (60 * 60 * 24 * 365)).build(); 
       } 
      }); 

      okHttpClient.setCache(new Cache(getCacheDir(), Integer.MAX_VALUE)); 
      OkHttpDownloader okHttpDownloader = new OkHttpDownloader(okHttpClient); 
      Picasso picasso = new Picasso.Builder(this).downloader(okHttpDownloader).build(); 
      picasso.load("http://i.imgur.com/test.jpg").into(coverImg); 

回答

1

如果您在Android Studio中模擬器,乾淨緩存和應用程序,並卸載的數據嘗試,然後再重新安裝。 也不要忘記所需的權限:

<uses-permission android:name="android.permission.INTERNET" /> 
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> 
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> 
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> 

也許工作。祝你好運。

+0

我只有第一個權限集。現在調整它,並嘗試在兩個(我的手機和模擬器。在我的手機上沒有任何改變 - >仍然得到相同的錯誤在我的模擬器中,我收到一個不同的錯誤說:D/NetworkSecurityConfig:沒有指定的網絡安全配置,使用平臺默認 –

+0

您的權利,我從我的應用程序複製這些代碼和忘記檢查他們:。!。d –

+0

我會盡力找到解決與其他方法來幫助你 –