详细分析Android中实现Zygote的源码

while ((line = br.readLine()) != null) { // skip comments and blank lines.

line = line.trim(); if (line.startsWith("#") || line.equals("")) {

continue; }

try {

if (false) { Log.v(TAG, "Preloading " + line + "...");

} Class.forName(line);

count ++; } catch (ClassNotFoundException e) {

Log.w(TAG, "Class not found for preloading: " + line); } catch (UnsatisfiedLinkError e) {

Log.w(TAG, "Problem preloading " + line + ": " + e); } catch(Throwable t) {

Log.e(TAG, "Error preloading " + line + ".", t); }

} Log.i(TAG, "...preloaded " + count + " classes in " + (SystemClock.uptimeMillis()-startTime) + "ms.");

} catch (IOException e) { Log.e(TAG, "Error reading " + PRELOADED_CLASSES + ".", e);

} finally { IoUtils.closeQuietly(is);

runtime.setTargetHeapUtilization(defaultUtilization);

runtime.preloadDexCaches(); Debug.stopAllocCounting();

setEffectiveUser(ROOT_UID);

setEffectiveGroup(ROOT_GID); }

} }