android - ImageView setImageURI 在暂停时导致严格模式错误

Question

每次我完成一个包含带有 ArrayAdapter 的 GridView 的应用程序，我在其中从 getView() 返回一个 ImageView 时，我都会收到一条错误消息:

01-15 17:28:55.715: E/StrictMode(6480): A resource was acquired at attached stack trace but never released. See java.io.Closeable for information on avoiding resource leaks. E/StrictMode(6480): java.lang.Throwable: Explicit termination method 'close' not called

问题似乎指向几行:

imageView.setImageURI(uri)

有什么想法吗？

Answer 1

在某些情况下，setImageURI() 会打开一个 InputStream 但不会关闭它。这是一个解决方法:

InputStream is = null;
try { 
  if(uri != null) {
    is = getContentResolver().openInputStream(uri);
    Drawable d = Drawable.createFromStream(is, null);
    imageView.setImageDrawable(d);
  }
} catch(Exception e) {
  Log.e(TAG, "Unable to set ImageView from URI: " + e.toString());
} finally {
  org.apache.commons.io.IOUtils.closeQuietly(is);
}