gbzarelli

package br.com.helpdev;

import javax.imageio.IIOImage;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriteParam;
import javax.imageio.ImageWriter;
import javax.imageio.stream.ImageOutputStream;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;

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import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Base64;

/**
 *

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public class YuvHelper {
 
    public static byte[] rotateYUV420Degree90(byte[] data, int imageWidth,
            int imageHeight) {
        byte[] yuv = new byte[imageWidth * imageHeight * 3 / 2];
        // Rotate the Y luma
        int i = 0;
        for (int x = 0; x < imageWidth; x++) {
            for (int y = imageHeight - 1; y >= 0; y--) {
                yuv[i] = data[y * imageWidth + x];

gbzarelli

import android.app.Activity;
import android.content.Context;
import android.graphics.PixelFormat;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.ViewGroup;
import android.view.WindowManager;
 
/**
 * <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>

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fun getMobileDataEnabled(contentResolver: ContentResolver):Boolean{
    return 1 == Settings.Global.getInt(contentResolver, "mobile_data", 1)
}

fun hasIccCard(context:Context):Boolean{
    val systemService = context.getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
    return systemService.hasIccCard()
}

fun startScreenDataMobile(context:Context){

gbzarelli

class AirPlaneIntentReceiver : BroadcastReceiver() {
  override fun onReceive(context: Context, intent: Intent) {
      val isAirplaneModeOn = intent.getBooleanExtra("state", false)
      if (isAirplaneModeOn) {
          //TODO - ENABLED
      } else {
          //TODO - DISABLED
      }
}

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How to use Block activity.

• Implement your BlockService.kt (Sample: MyBlockService.kt)
• Implement when to use block (Sample AirPlaneIntentReceiver.kt: When device into in air plane mode, call service.)

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// CRIAR SERVIÇO PARA INTERCEPTAR NOTIFICAÇES:
class NotificationService : android.service.notification.NotificationListenerService() {
    override fun onCreate() {
        super.onCreate()
    }
    override fun onNotificationPosted(sbn: StatusBarNotification) {
    }
    override fun onNotificationRemoved(sbn: StatusBarNotification) {
    }

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val locationMode = Settings.Secure.getInt(getContentResolver(), Settings.Secure.LOCATION_MODE);
when (locationMode) {
    Settings.Secure.LOCATION_MODE_OFF -> {/*TODO*/}
    Settings.Secure.LOCATION_MODE_HIGH_ACCURACY ->{/*TODO*/}
    Settings.Secure.LOCATION_MODE_BATTERY_SAVING -> {/*TODO*/}
    Settings.Secure.LOCATION_MODE_SENSORS_ONLY -> {/*TODO*/}
}

gbzarelli

import android.content.ContentResolver;
import android.provider.Settings;

/**
 * Created by Guilherme Biff Zarelli on 2/26/18.
 */
public class BrightnessUtils {

    private BrightnessUtils() {
        throw new RuntimeException("No BrightnessUtils");