Android采用pm命令静默卸载应用

卸载app的方式有多种，可以直接调用android系统的卸载程序，但是这样会调出android卸载提示框，问题就是真的不好看。

所以采用静默卸载的方式，避免弹出系统提示框。

方法一（调用系统卸载程序）：

1 //卸载应用2             Uri packageURI = Uri.parse("package:" + pkgName);3             Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI);4             startActivity(uninstallIntent);

方法二（静默安装）：

 1  /** 2      * 卸载应用入口提示 3      * 4      * @param position app在列表中的位置 5      * @param mData app列表 6      */ 7     public void startUninstall(int position, List mData) { 8  9         //获取应用程序包名10         String pkg = mData.get(position).packageName;11         //判断此应用程序是否存在12         Boolean pkgExist;13         pkgExist = appExist(mContext,pkg);14         if (!pkgExist) {15             Toast.makeText(mContext, "程序未安装", Toast.LENGTH_SHORT).show();16         } else {17             //静默卸载18             Boolean uninstallSuccess = uninstall(pkg);19             if (uninstallSuccess){20                 Toast.makeText(mContext, "卸载成功", Toast.LENGTH_SHORT).show();21             } else {22                 Toast.makeText(mContext, "卸载失败", Toast.LENGTH_SHORT).show();23             }24         }25 26     }27 28 29     /**30      * 静默卸载App31      *32      * @param packageName 包名33      * @return 是否卸载成功34      */35     private static boolean uninstall(String packageName) {36         Process process = null;37         BufferedReader successResult = null;38         BufferedReader errorResult = null;39         StringBuilder successMsg = new StringBuilder();40         StringBuilder errorMsg = new StringBuilder();41         try {42             process = new ProcessBuilder("pm", "uninstall", packageName).start();43             successResult = new BufferedReader(new InputStreamReader(process.getInputStream()));44             errorResult = new BufferedReader(new InputStreamReader(process.getErrorStream()));45             String s;46             while ((s = successResult.readLine()) != null) {47                 successMsg.append(s);48             }49             while ((s = errorResult.readLine()) != null) {50                 errorMsg.append(s);51             }52         } catch (Exception e) {53             KLog.d("e = " + e.toString());54         } finally {55             try {56                 if (successResult != null) {57                     successResult.close();58                 }59                 if (errorResult != null) {60                     errorResult.close();61                 }62             } catch (Exception e) {63                 KLog.d("Exception : " + e.toString());64             }65             if (process != null) {66                 process.destroy();67             }68         }69         //如果含有"success"单词则认为卸载成功70         return successMsg.toString().equalsIgnoreCase("success");71     }72 73     /**74      * 判断应用是否存在75      *76      * @param context       上下文77      * @param packageName   包名78      * @return  是否存在79      */80     private boolean appExist(Context context, String packageName) {81         try {82             List packageInfoList = context.getPackageManager().getInstalledPackages(0);83             for (PackageInfo packageInfo : packageInfoList) {84                 if (packageInfo.packageName.equalsIgnoreCase(packageName)) {85                     return true;86                 }87             }88         } catch (Exception e) {89             KLog.d(e.toString());90         }91         return false;92     }

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