• android 静默升级 卸载功能实现

    一、近期需要实现一个apk静默升级卸载自启动功能，首先需要获取系统root权限才能执行静默升级，下面不墨迹直接上代码. 首先是MainActivity 页面

    package com.example.tiaoshiapkjingmo;

import androidx.appcompat.app.AppCompatActivity;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import okhttp3.ResponseBody;

import android.annotation.SuppressLint;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;

import com.blankj.utilcode.util.AppUtils;
import com.blankj.utilcode.util.LogUtils;
import com.example.tiaoshiapkjingmo.service.UpdateService;
import com.example.tiaoshiapkjingmo.utils.DownloadHelper;
import com.example.tiaoshiapkjingmo.utils.HttpUtil;
import com.example.tiaoshiapkjingmo.utils.SilentInstallUtils;

import org.jetbrains.annotations.NotNull;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.Charset;

public class MainActivity extends AppCompatActivity {
   

    @Override
    protected void onCreate(Bundle savedInstanceState) {
   
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        /**
         * 这个地方对比版本号 然后执行静默升级
         */
        //启动服务
        Intent mService = new Intent(this, UpdateService.class);
        startService(mService);
    }
}


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    这个页面 就啥没写因为主要我们是要试apk静默升级

    
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World!"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

androidx.constraintlayout.widget.ConstraintLayout>

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    二、这边用了一个Service 下面直接上代码.

    package com.example.tiaoshiapkjingmo.service;

import android.annotation.SuppressLint;
import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.util.Log;

import com.blankj.utilcode.util.AppUtils;
import com.example.tiaoshiapkjingmo.MainActivity;
import com.example.tiaoshiapkjingmo.utils.DownloadHelper;
import com.example.tiaoshiapkjingmo.utils.HttpUtil;
import com.example.tiaoshiapkjingmo.utils.SilentInstallUtils;

import java.io.File;

import androidx.annotation.Nullable;

/**
 * @ProjectName : TiaoShiapkjingmo
 * @Author : 白月初
 * @Time : 2022/11/15 15:43
 * @Description : 描述
 */
public class UpdateService extends Service {
   
	//这个是我随便找的一个apk下载地址
    public String apkPath = "http://downloads.rongcloud.cn/SealTalk_by_RongCloud_Android_v1_2_17.apk";
    @Override
    public void onCreate() {
   
        super.onCreate();
        //下载网络apk包
        DownloadHelper.instance().downloadAPK(apkPath, "base", new DownloadHelper.CallBack() {
   
            @Override
            public void downApkSuccess(String path, String apkName) {
   
                //下载好的apk地址 和apk路径名
                silenceInstall(path, apkName);
            }

            @Override
            public void downApkFail() {
   
                Log.i("下载APK失败","");
            }
        });
    }

    @SuppressLint("LongLogTag")
    private void silenceInstall(String path, String apkName ) {
   
        HttpUtil.getExecutorService().execute(() -> {
   
            Log.i("开始静默安装APK","");
            try {
   
                //执行静默升级 ture 为成功
                boolean installSuccess = SilentInstallUtils.install(UpdateService.this,
                        path + File.separator + apkName);
                //判断
                if (installSuccess) {
   
                    //获取apk包名
                    String appPackageName = AppUtils.getAppPackageName();
                    Intent intent1 =
                            UpdateService.this.getPackageManager().getLaunchIntentForPackage(appPackageName);
                    if (intent1 != null) {
   
                        intent1.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED | Intent.FLAG_ACTIVITY_CLEAR_TOP);
                    }
                    startActivity(intent1);
                    Log.i("静默安装APK成功！","");
                    //获取apk包名
                    String appPackage = AppUtils.getAppPackageName();
                    //根据包名静默卸载
                    SilentInstallUtils.uninstall(UpdateService.this,appPackage);
                } else {
   
                    Log.i("静默安装APK失败: [May be permission refuse!]","");
                }
            } catch (InterruptedException e) {
   
                e.printStackTrace();
                Log.i("静默安装APK失败: " + e.getMessage(),"");
            }
        });
    }




    @Nullable
    @Override
    public IBinder onBind(Intent intent) {
   
        return null;
    }
}


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    三、SilentInstallUtils 静默升级工具类 其实核心在这里调用反射机制获取到对应的方法.

    package com.example.tiaoshiapkjingmo.utils;

import android.Manifest;
import android.annotation.SuppressLint;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentSender;
import android.content.SharedPreferences;
import android.content.pm.PackageInfo;
import android.content.pm.PackageInstaller;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.os.SystemClock;
import android.text.TextUtils;

import com.blankj.utilcode.util.AppUtils;
import com.blankj.utilcode.util.CloseUtils;
import com.blankj.utilcode.util.DeviceUtils;
import com.blankj.utilcode.util.ImageUtils;
import com.blankj.utilcode.util.LogUtils;
import com.blankj.utilcode.util.ShellUtils;
import com.blankj.utilcode.util.UriUtils;
import com.blankj.utilcode.util.Utils;
import com.example.tiaoshiapkjingmo.IPackageDeleteObserver;
import com.example.tiaoshiapkjingmo.IPackageInstallObserver;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Locale;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;

import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.annotation.RequiresPermission;


public final class SilentInstallUtils {
   

    private static final String TAG = "SilentInstallUtils";

    private static final String SP_NAME_PACKAGE_INSTALL_RESULT = "package_install_result";
    private static volatile Method sInstallPackage;
    private static volatile Method sDeletePackage;
    private static volatile SharedPreferences sPreferences;

    /**
     * 静默安装
     * 会依次调用Stream-->反射-->Shell
     *
     * @param apkFile APK文件
     * @return 成功或失败
     */
    @SuppressLint("PackageManagerGetSignatures")
    @RequiresPermission(Manifest.permission.INSTALL_PACKAGES)
    public static synchronized boolean install(Context context, String apkFile) throws InterruptedException {
   
        File file;
        if (TextUtils.isEmpty(apkFile) || !(file = new File(apkFile)).exists()) {
   
            return false;
        }
        context = context.getApplicationContext();
        //加上apk合法性判断
        AppUtils.AppInfo apkInfo = AppUtils.getApkInfo(file);
        if (apkInfo == null || TextUtils.isEmpty(apkInfo.getPackageName())) {
   
            LogUtils.iTag(TAG, "apk info is null, the file maybe damaged: " + file.getAbsolutePath());
            return false;
        }

        //加上本地apk版本判断
        AppUtils.AppInfo appInfo = AppUtils.getAppInfo(apkInfo.getPackageName());
        if (appInfo != null) {
   

            //已安装的版本比apk版本要高, 则不需要安装
            if (appInfo.getVersionCode() >= apkInfo.getVersionCode()) {
   
                LogUtils.iTag(TAG, "The latest version has been installed locally: " + file.getAbsolutePath(),
                        "app info: packageName: " + appInfo.getPackageName() + "; app name: " + appInfo.getName(),
                        "apk version code: " + apkInfo.getVersionCode(),
                        "app version code: " + appInfo.getVersionCode());
                return true;
            }

            //已安装的版本比apk要低, 则需要进一步校验签名和ShellUID

            PackageManager pm = context.getPackageManager
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  • 原文地址：https://blog.csdn.net/weixin_42996187/article/details/127872288