App runs continuously without exiting

When low memory, do not kill the application, but can only write up to 3 package names (note the format, starting from the end of the package name, each package can have a maximum of 16 characters)

For example, The following packages should not be killed due to low memory: com.tianqiao.luo.launcher3, com.cyj.wifigateway, com.cyj.voicerobotsbk Starting from the end of the package name, each package can have a maximum of 16 characters, and it is written after the application starts. writeFile("/sys/xfocus/debug/lowmem_app", "luo.launcher3,voicerobotsbk,wifigateway");

    private void writeFile(String filePath, String data){
        try {
            File f = new File(filePath);
            FileOutputStream fos = new FileOutputStream(f);
            byte bytes[] = data.getBytes();
            fos.write(bytes);
            fos.close();
        } catch (IOException e){
            Log.d(TAG, e.toString());
        }
    }

There is another way, package names starting with com.judian can also not kill the app when the memory is low

Get device name

The device name is the name displayed when connecting devices on the mobile end, and you can use the following attribute to obtain it on the background music host end

SystemProperties.get("persist.sys.jd.name") 

System properties can be directly obtained through Android's reflection mechanism, or obtained by calling the jdsmart-common package, as follows

String name=JdSystemProperty.getString("persist.sys.jd.name", "");

Obtain the device UUID (device ID), which is unique

Device ID, you can use the following properties to obtain it on the background music host end, which is about the device number in this machine

String name=JdSystemProperty.getString("persist.sys.jd.dev.id", "");

Regarding silent upgrades of installation packages

Android 4.4 system

Intent intent = new Intent();
intent.setAction("android.intent.action.INSTALL_PACKAGE");
intent.putExtra("JD_INSTALL_FROM_BACKGROUND", true);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
Uri uri = Uri.parse("file:/sdcard/***.apk");
intent.setData(uri);
mContext.startActivity(intent);

Android 8.1 system

Intent intent = new Intent();
intent.setAction("JD.intent.action.INSTALL_PACKAGE");
intent.putExtra("APK_FILE", "/sdcard/cpuwendu.apk");
ComponentName componentName = new ComponentName("com.android.packageinstaller", "com.android.packageinstaller.JDSlienceInstallService");
intent.setComponent(componentName);
mContext.startService(intent);

adb Install test  
adb shell 
am start-service -a JD.intent.action.INSTALL_PACKAGE --es "APK_FILE" "/sdcard/cpuwendu.apk" com.android.packageinstaller/com.android.packageinstaller.JDSlienceInstallService

Replace the gateway module interface plug-in with attention

If the gateway module is replaced, an action needs to be added under the CustomSmartService in the plugin manifest
<action android:name="com.judian.service.CustomZigbeeService" />

System attribute status acquisition settings

Persist.sys.jd.swipTop 0 //Disallow sliding down from the top of JD notification bar, 1 Allow sliding down from the top of JD notification bar persist.sys.jd.swipR //whether enable swipe to right screen, default is 1 persist.sys.jd.swipL //whether enable swipe to left screen, default is 1 persist.sys.jd.voice.switch // 1 is on, 0 is off persist.sys.jd.name //Get device name ro.product.model // Get product name ro.judian.pid //Get product number pid persist.sys.jd.dev.id //Get device ID ro.judian.rom.version //Get firmware version persist.sys.jd.voice.switch //Hide key configuration and rotary UI in settings, 1 is to hide, 0 is to restore persist.sys.jd.chan.sync //Query partition or synchronization persist.sys.jd.channel //Query current partition persist.sys.jd.chan1.name //Partition 1 Name persist.sys.jd.chan2.name //Partition 2 Name persist.sys.jd.voice.switch //Get gateway serial port. C7 = "/dev/ttyS2"; X8, P7, M10, S10 = "/dev/ttyS3" persist.sys.jd.has_zigbee //support zigbee; 1: Gateway version, 0: Non-gateway version persist.sys.jd.has_zigbee //Does the system have a setup wizard? persist.sys.jd.rom.model //S10 is the background music version S10_BGM_0: Background Music Version persist.sys.jd.defSnSaver //Default screensaver class com.judian.bmlauncher/com.judian.bmlauncher.service.LockService persist.sys.jd.wifi.mac //WIFI MAC address persist.sys.jd.has_zigbee //About the QR code description for app downloads on this device app download link, length cannot exceed 90 characters persist.sys.jd.hasDevGrp //Whether it supports device groups, set in the interface plugin 1 supported