Android非Root下静默安装apk

1.实现静默安装应用的话需要系统权限:
在AndroidManifest.xml中添加android:sharedUserId=“android.uid.system”.
使用系统签名文件(platform.pk8、platform.x509.pem,签名文件位于build/target/product/security/目录下)对apk进行签名
2.在AndroidManifest.xml添加相应需要的权限

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

3.

  /*
  * 23版本以上的静默安装方法一 
  */
   private void install(String path,String packageName) {
        PackageManager mPm = getApplicationContext().getPackageManager();
        Class<?> paramTypes[] = getParamTypes(mPm.getClass(), "installPackage");
        try {
            Method method = mPm.getClass().getMethod("installPackage", paramTypes);
            method.invoke(mPm, Uri.fromFile(new File(path)), null,INSTALL_REPLACE_EXISTING, packageName);
            mHandler.sendEmptyMessageDelayed(1, 10000);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private Class<?>[] getParamTypes(Class<?> cls, String mName) {
        Class<?> cs[] = null;
        Method[] mtd = cls.getMethods();
        for (int i = 0; i < mtd.length; i++) {
            if (!mtd[i].getName().equals(mName)) {
                continue;
            }
            cs = mtd[i].getParameterTypes();
        }
        return cs;
    }

 /*
  * 23版本以上的静默安装方法二
  */
   private void ApkInSilence(String installPath, String packageName,int type) {
		Class<?> pmService;
		Class<?> activityTherad;
		Method method;
		try {
			activityTherad = Class.forName("android.app.ActivityThread");
			Class<?> paramTypes[] = getParamTypes(activityTherad, "getPackageManager");
			method = activityTherad.getMethod("getPackageManager", paramTypes);
			Object PackageManagerService = method.invoke(activityTherad);
			pmService = PackageManagerService.getClass();
			if(type == INSTALL_APK) {
				Class<?> paramTypes1[] = getParamTypes(pmService, "installPackageAsUser");
				method = pmService.getMethod("installPackageAsUser", paramTypes1);
				method.invoke(PackageManagerService, installPath, null, 0x00000040, packageName, getUserId(Binder.getCallingUid()));//getUserId
			}
			else {
				Class<?> paramTypes1[] = getParamTypes(pmService, "deletePackageAsUser");
				method = pmService.getMethod("deletePackageAsUser", paramTypes1);
				method.invoke(PackageManagerService, packageName, null, getUserId(Binder.getCallingUid()),0x00000040);//getUserId
			}
			Toast.makeText(this, "成功", 0).show();
		} catch (Exception e) {
			Toast.makeText(this, "失败", 0).show();
		}
	}

    public static final int PER_USER_RANGE = 100000;
	public static int getUserId(int uid) {
		return uid / PER_USER_RANGE;
	}

   /**
	 * 23版本以下的静默安装方法
	 * @param path
	 */
	private void runInstall(String path) {
		// 静默安装
				IPackageManager mPm;
				try {
					Class<?> forName = Class.forName("android.os.ServiceManager");
					Method method = forName.getMethod("getService", String.class);
					IBinder iBinder = (IBinder) method.invoke(null, "package");
					Log.e("yzy", "iBinder------------:");
					mPm = IPackageManager.Stub.asInterface(iBinder);
					File apkFile = new File(path);
					mPm.installPackage(Uri.fromFile(apkFile), new MyObserver(), INSTALL_REPLACE_EXISTING, apkFile.getPath());
					Toast.makeText(this, "安装成功", 0).show();
				} catch (Exception e) {
					Log.e("yzy", "Exception:"+e.toString());
					Toast.makeText(this, "安装失败", 0).show();
				}
	}


	private class MyObserver extends IPackageInstallObserver.Stub{

		@Override
		public void packageInstalled(String packageName, int returnCode)
				throws RemoteException {
			Log.e("yzy", "returnCode:"+returnCode);
			
		}
	}

本文地址：https://blog.csdn.net/vista1995/article/details/107578303