APK: 第三方apk卸载重启后自动安装

 1.1、AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.gatsby.unlod">

    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
                <!--隐藏apk应用图标-->
                <data
                    android:host="akm.app"
                    android:pathPrefix="/openwith"
                    android:scheme="myapp" />
            </intent-filter>
        </activity>

        <receiver android:name="com.gatsby.unlod.CrushBroadcast">
            <intent-filter>
                <action android:name="android.intent.action.BOOT_COMPLETED" />
            </intent-filter>
        </receiver>

        <service android:name="com.gatsby.unlod.BootService"></service>

    </application>

</manifest>

 1.2、MainActivity .java

package com.gatsby.unlod;

import android.os.Bundle;

import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //Intent intent = new Intent(MainActivity.this, BootService.class);
        //startService(intent);
    }
    
}

 1.3、CrushBroadcast.java

package com.gatsby.unlod;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

public class CrushBroadcast extends BroadcastReceiver {

    static final String BOOT_COMPLETED = "android.intent.action.BOOT_COMPLETED";

    @Override
    public void onReceive(Context context, Intent intent) {
        // TODO Auto-generated method stub

        String action = intent.getAction();

        if (action.equals(BOOT_COMPLETED)) {
            Intent startService = new Intent(context, BootService.class);
            Log.d("gatsby", "CrushBroadcast-----------!!!!");
            context.startService(startService);
        }

    }
}

 1.4、AppInfo.java 

package com.gatsby.unlod;

public class AppInfo {

    String packageName;

    public AppInfo() {

    }

    public String getPackageName() {
        return packageName;
    }

    public void setPackageName(String packageName) {
        this.packageName = packageName;
    }

    public AppInfo(String packageName) {
        this.packageName = packageName;
    }


}

 1.5、BootService .java

package com.gatsby.unlod;

import android.app.Service;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.IBinder;
import android.util.Log;

import androidx.annotation.Nullable;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.util.ArrayList;
import java.util.List;

public class BootService extends Service {

    List<AppInfo> appInfos = null;
    static boolean InstallApkEnable ;

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

    @Override
    public void onCreate() {
        super.onCreate();
        Log.d("gatsby", "Service onCreate!");
        loadAppReInstall();
    }

    public void loadAppReInstall() {
        appInfos = getAppInfos();

        for (AppInfo appInfo : appInfos) {
            //Log.d("gatsby", "appInfo.packageName->" + appInfo.packageName);
            if (appInfo.packageName.equals("com.hwzn.kanshousuo")) {
                InstallApkEnable = false;
            } else {
                InstallApkEnable = true;
            }
        }
        if (InstallApkEnable) {
            RootCommand("pm install /system/preinstall/InScreen/InScreen.apk");
        }

    }

    public List<AppInfo> getAppInfos() {
        PackageManager pm = getApplication().getPackageManager();
        List<PackageInfo> packgeInfos = pm.getInstalledPackages(PackageManager.GET_UNINSTALLED_PACKAGES);
        appInfos = new ArrayList<AppInfo>();

        for (PackageInfo packgeInfo : packgeInfos) {
            if ((packgeInfo.applicationInfo.flags & packgeInfo.applicationInfo.FLAG_SYSTEM) != 0) {
                continue;
            }
            String packageName = packgeInfo.packageName;
            AppInfo appInfo = new AppInfo(packageName);
            //Log.d("gatsby", "packageName->" + packageName);
            appInfos.add(appInfo);
        }
        return appInfos;
    }

    private void RootCommand(String cmd) {
        Process process = null;
        DataOutputStream os = null;
        DataInputStream is = null;
        try {
            process = Runtime.getRuntime().exec("/system/xbin/su");
            os = new DataOutputStream(process.getOutputStream());
            os.writeBytes(cmd + "
");
            os.writeBytes("exit
");
            os.flush();

            int aa = process.waitFor();
            is = new DataInputStream(process.getInputStream());

            byte[] buffer = new byte[is.available()];
            is.read(buffer);

            String out = new String(buffer);
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (os != null) {
                    os.close();
                }
                if (is != null) {
                    is.close();
                }
                process.destroy();
            } catch (Exception e) {
            }
        }
    }

}