Android 靜默刪除app

此方法必須擁有系統權限，第三方的app無法執行

首先需要
import android.content.pm.IPackageDeleteObserver;


此class系統會callback returnCode告知app是否刪除成功

class PackageDeleteObserver extends IPackageDeleteObserver.Stub { 
    public void packageDeleted(String packageName, int returnCode) {
    Log.i("service", "uninstall packageDeleted callback!!!");  
    if(returnCode!=1)
        //returnCode不等於一，代表刪除失敗 
    else
        //returnCode等於一代表刪除成功

呼叫靜默刪除function

private void uninstallapp(){ 
    PackageDeleteObserver observer = new PackageDeleteObserver();
    PackageManager pm = this.getApplicationContext().getPackageManager();
    pm.deletePackage(packagename, observer, 0);
 }

Manifest.xml要加以下權限

uses-permission android:name="android.permission.INSTALL_PACKAGES" 
uses-permission android:name="android.permission.DELETE_PACKAGES" 

參考網頁

PackageManagerService.java source code