android实现卸载提示

这篇文章是整理的以前用过的一个功能，由于多种原因现在停用了，也希望这篇文章能帮助一些android入门的小童鞋。android是不提供监控卸载自己的功能的，这里使用了监控android日志的功能，android日志相关知识可以参考《adb logcat 查看日志》这篇文章。

android卸载提示的思路是启动一个服务监控android系统的打印日志，当监控到"android.intent.action.DELETE"并且包含自己应用的包名时，提示给用户。

监控代码

public class AndroidLogcatScannerThread extends Thread {    private LogcatObserver observer;    public AndroidLogcatScannerThread(LogcatObserver observer) {            this.observer = observer;    }    public void run() {            String[] cmds = { "logcat", "-c" };            String shellCmd = "logcat";            Process process = null;            InputStream is = null;            DataInputStream dis = null;            String line = "";            Runtime runtime = Runtime.getRuntime();            try {                    observer.handleLog(line);                    int waitValue;                    waitValue = runtime.exec(cmds).waitFor();                    observer.handleLog("waitValue=" + waitValue + "\n Has do Clear logcat cache.");                    process = runtime.exec(shellCmd);                    is = process.getInputStream();                    dis = new DataInputStream(is);                    while ((line = dis.readLine()) != null) {                    //Log.d("Log","Log.Bestpay:"+line);                                        if(observer!=null)                            observer.handleLog(line);                                                  }            } catch (InterruptedException e) {                    e.printStackTrace();            } catch (IOException ie) {                    ie.printStackTrace();            } finally {                    try {                            if (dis != null) {                                    dis.close();                            }                            if (is != null) {                                    is.close();                            }                            if (process != null) {                                    process.destroy();                            }                    } catch (Exception e) {                            e.printStackTrace();                    }            }    }}

监控服务：

public class AndroidLogcatScannerService extends Service implements LogcatObserver{@Overridepublic void onCreate() {// TODO Auto-generated method stubsuper.onCreate();}@Overridepublic void onDestroy() {// TODO Auto-generated method stubsuper.onDestroy();}@Overridepublic void onStart(Intent intent, int startId) {// TODO Auto-generated method stubsuper.onStart(intent, startId);AndroidLogcatScannerThread scannerThread=new AndroidLogcatScannerThread(AndroidLogcatScannerService.this);scannerThread.start();}@Overridepublic IBinder onBind(Intent intent) {// TODO Auto-generated method stubreturn null;}@Overridepublic void handleLog(String info) {// TODO Auto-generated method stubif (info.contains("android.intent.action.DELETE") && info.contains(getPackageName())) {            Intent intent = new Intent();            intent.setClass(AndroidLogcatScannerService.this, UninstallActivity.class);            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);            startActivity(intent);        }}}

上面的代码基本实现了卸载提示，最后不要忘了权限：

<uses-permission android:name="android.permission.READ_LOGS"></uses-permission>

代码下载地址：

http://download.csdn.net/detail/xyz_lmn/4904797

/**
* @author 张兴业
* 邮箱：xy-zhang#163.com
* android开发进阶群：278401545
*http://blog.csdn.net/xyz_lmn
*/

监控代码

监控服务：

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