分类：Android 2013-08-28 15:31 318人阅读 评论(0) 收藏 举报

MainActivity如下:

[java] view plain copy
  1. packagecc.testremoveapp;
  3. importandroid.os.Bundle;
  4. importandroid.app.Activity;
  5. importandroid.content.Intent;
  6. /**
  7. *Demo描述:
  8. *监听应用程序本身被卸载
  9. *
  10. *注意权限:
  11. *<uses-permissionandroid:name="android.permission.READ_LOGS"></uses-permission>
  12. *
  13. *参考资料:
  14. *http://blog.csdn.net/xyz_lmn/article/details/8330710
  15. *Thankyouverymuch
  16. */
  17. publicclassMainActivityextendsActivity{
  18. @Override
  19. protectedvoidonCreate(BundlesavedInstanceState){
  20. super.onCreate(savedInstanceState);
  21. setContentView(R.layout.main);
  22. init();
  23. }
  24. //启动服务
  25. privatevoidinit(){
  26. Intentintent=newIntent(this,LogcatScannerService.class);
  27. startService(intent);
  28. }
  31. }


LogcatObserverInterface如下:

[java] view plain copy
  1. packagecc.testremoveapp;
  2. //业务接口
  3. publicinterfaceLogcatObserverInterface{
  4. publicvoidhandleLog(StringlogcatInfo);
  5. }


LogcatScannerService如下:

[java] view plain copy
  1. packagecc.testremoveapp;
  3. importandroid.app.Service;
  4. importandroid.content.Intent;
  5. importandroid.os.IBinder;
  7. publicclassLogcatScannerServiceextendsServiceimplementsLogcatObserverInterface{
  8. @Override
  9. publicvoidonCreate(){
  10. super.onCreate();
  11. }
  13. @Override
  14. publicvoidonStart(Intentintent,intstartId){
  15. super.onStart(intent,startId);
  16. LogcatScannerThreadlogcatScannerThread=newLogcatScannerThread(this);
  17. logcatScannerThread.start();
  18. }
  20. @Override
  21. publicIBinderonBind(Intentarg0){
  22. returnnull;
  23. }
  25. @Override
  26. publicvoidonDestroy(){
  27. super.onDestroy();
  28. }
  30. /**
  31. *实现LogcatObserverInterface接口中的方法
  32. */
  33. @Override
  34. publicvoidhandleLog(StringlogcatInfo){
  35. if(logcatInfo.contains("android.intent.action.DELETE")&&logcatInfo.contains(getPackageName())){
  36. /**
  37. *注意事项:
  38. *LogCat有时会多次甚至一直输出卸载应用的信息
  39. *所以在实际项目中需要对此处留意处理
  40. */
  41. Intentintent=newIntent(LogcatScannerService.this,UninstallActivity.class);
  42. intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
  43. startActivity(intent);
  44. }
  45. }
  47. }


LogcatScannerThread如下：

[java] view plain copy
  1. packagecc.testremoveapp;
  2. importjava.io.DataInputStream;
  3. importjava.io.InputStream;
  5. publicclassLogcatScannerThreadextendsThread{
  7. privateLogcatObserverInterfacemLogcatObserverInterface;
  9. publicLogcatScannerThread(LogcatObserverInterfacelogcatObserverInterface){
  10. this.mLogcatObserverInterface=logcatObserverInterface;
  11. }
  12. @Override
  13. publicvoidrun(){
  14. super.run();
  15. intwaitValue;
  16. Stringline="";
  17. String[]cmds={"logcat","-c"};
  18. StringshellCMD="logcat";
  19. Processprocess=null;
  20. InputStreaminputStream=null;
  21. DataInputStreamdataInputStream=null;
  22. Runtimeruntime=Runtime.getRuntime();
  23. try{
  24. mLogcatObserverInterface.handleLog(line);
  25. waitValue=runtime.exec(cmds).waitFor();
  26. mLogcatObserverInterface.handleLog("waitValue="+waitValue+"\nHasdoClearlogcatcache.");
  27. process=runtime.exec(shellCMD);
  28. inputStream=process.getInputStream();
  29. dataInputStream=newDataInputStream(inputStream);
  30. while((line=dataInputStream.readLine())!=null){
  31. if(mLogcatObserverInterface!=null){
  32. mLogcatObserverInterface.handleLog(line);
  33. }
  34. }
  35. }catch(Exceptione){
  36. e.printStackTrace();
  37. }finally{
  38. try{
  39. if(dataInputStream!=null){
  40. dataInputStream.close();
  41. }
  42. if(inputStream!=null){
  43. inputStream.close();
  44. }
  45. if(process!=null){
  46. process.destroy();
  47. }
  48. }catch(Exceptione){
  49. e.printStackTrace();
  50. }
  51. }
  52. }
  54. }


UninstallActivity如下:

[java] view plain copy
  1. packagecc.testremoveapp;
  3. importandroid.app.Activity;
  4. importandroid.os.Bundle;
  6. publicclassUninstallActivityextendsActivity{
  7. @Override
  8. protectedvoidonCreate(BundlesavedInstanceState){
  9. super.onCreate(savedInstanceState);
  10. setContentView(R.layout.uninstall);
  11. }
  14. }


main.xml如下:

[html] view plain copy
  1. <RelativeLayoutxmlns:android="http://schemas.android.com/apk/res/android"
  2. xmlns:tools="http://schemas.android.com/tools"
  3. android:layout_width="match_parent"
  4. android:layout_height="match_parent"
  5. >
  7. <TextView
  8. android:layout_width="wrap_content"
  9. android:layout_height="wrap_content"
  10. android:text="监听应用本身被卸载"
  11. android:layout_centerInParent="true"
  12. />
  14. </RelativeLayout>


uninstall.xml如下:

[html] view plain copy
  1. <RelativeLayoutxmlns:android="http://schemas.android.com/apk/res/android"
  2. xmlns:tools="http://schemas.android.com/tools"
  3. android:layout_width="match_parent"
  4. android:layout_height="match_parent"
  5. >
  7. <TextView
  8. android:layout_width="wrap_content"
  9. android:layout_height="wrap_content"
  10. android:text="确定卸载本应用?"
  11. android:layout_centerInParent="true"
  12. />
  14. </RelativeLayout>

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