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楼主  发表于: 2013-07-22 17:33
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 【代码】android开发：调试实例

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  1. package AndroidApi;
  3. import android.util.Log;
  5. class Monitoring implements Runnable
  7. {
  9. public void run()
  11. {
  13. while (!Thread.currentThread().isInterrupted())
  15. {
  17. try
  19. {
  21. Thread.sleep(100);
  23. } catch (InterruptedException s)
  25. {
  27. Thread.currentThread().interrupt();
  29. }
  31. AndroidDebug.printVaryMemory();
  33. }
  35. }
  37. }
  39. public class AndroidDebug
  41. {
  43. private static boolean m_bIsDebug = false;
  46. public static void setMode(boolean bIsDebug)
  48. {
  50. m_bIsDebug = bIsDebug;
  52. }
  55. public static boolean isDebug()
  57. {
  59. return m_bIsDebug;
  61. }
  64. public static void println(String strTxt)
  66. {
  68. if (m_bIsDebug)
  70. {
  72. System.out.println(strTxt);
  74. }
  76. }
  79. public static void Log(String strTag, String strTxt)
  81. {
  83. if (m_bIsDebug)
  85. {
  87. Log.i(strTag,strTxt);
  89. }
  91. }
  94. public static void gc()
  96. {
  98. if (m_bIsDebug)
  100. {
  102. System.gc();
  104. }
  106. }
  109. public static void printTotalMemory()
  111. {
  113. Runtime r = Runtime.getRuntime();
  115. AndroidDebug.println("Total memory is :" + r.totalMemory());
  117. }
  120. public static void printFreeMemory()
  122. {
  124. gc(); // 执行强制回收以获得准确的剩余量
  126. Runtime r = Runtime.getRuntime();
  128. AndroidDebug.println("Free memory is :" + r.freeMemory());
  130. }
  133. static long longPre = 0;
  135. public static void printVaryMemory()
  137. {
  139. gc(); // 执行强制回收以获得准确的剩余量
  141. Runtime r = Runtime.getRuntime();
  143. long longNow = r.freeMemory();
  145. if (longNow > longPre)
  147. {
  149. AndroidDebug.println("Free memory -> :" + (longNow - longPre));
  151. longPre = longNow;
  153. } else if (longNow < longPre)
  155. {
  157. AndroidDebug.println("Free memory <- :" + (longPre - longNow));
  159. longPre = longNow;
  161. }
  163. }
  166. private static Thread m_pThread = null;
  168. public static void setMonitore(boolean bIsOpen)
  170. {
  172. if (bIsOpen)
  174. {
  176. if (null == m_pThread)
  178. m_pThread = new Thread(new Monitoring());
  180. m_pThread.setDaemon(true);
  182. m_pThread.start();
  184. }
  186. else
  188. {
  190. if (null != m_pThread)
  192. {
  194. m_pThread.interrupt();
  196. m_pThread = null;
  198. }
  200. }
  202. }
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