title: dismissing a content view
body: <p>After I use setContentView can I dismiss it and set another one?</p>
  
  <p>setting another one does replace the previous but it doesn't release the memory</p>
  
  <p>is there a way to release it from memory?</p>
  
  <p>I used <code>adb shell dumpsys meminfo &lt;pid&gt;</code> to show this:</p>
  
  <pre><code>                    native   dalvik    other    total
          size:        24836     5703      N/A    30539
     allocated:        23140     3365      N/A    26505
          free:         1559     2338      N/A     3897
         (Pss):         1571     2673    22374    26618
  (shared dirty):       1236     4104     2672     8012
  (priv dirty):         1512     1928    20552    23992
  
  Objects
         Views:            0        ViewRoots:        0
   AppContexts:            0       Activities:        0
        Assets:            3    AssetManagers:        3
  Local Binders:          11    Proxy Binders:       19
  Death Recipients:        0
  OpenSSL Sockets:         0
  
  SQL
          heap:            0       memoryUsed:        0
  pageCacheOverflo:        0  largestMemAlloc:       50
  </code></pre>