Complete android Implementation

Author: rf1804

android/build.gradle

@@ -15,12 +15,12 @@ apply plugin: 'com.android.library'
 apply plugin: 'maven'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion 26
+    buildToolsVersion "26.0.3"
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 22
+        targetSdkVersion 26
         versionCode 1
         versionName "1.0"
     }
@@ -113,4 +113,3 @@ afterEvaluate { project ->
         }
     }
 }
-  

android/src/main/AndroidManifest.xml

@@ -1,9 +1,9 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+  xmlns:tools="http://schemas.android.com/tools"
           package="com.datausagecheck">
           <uses-permission
-        android:name="android.permission.PACKAGE_USAGE_STATS"
-        tools:ignore="ProtectedPermissions"/>
+        android:name="android.permission.PACKAGE_USAGE_STATS" tools:ignore="ProtectedPermissions"/>
 
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
 </manifest>

android/src/main/java/com/datausagecheck/RNDatausagecheckModule.java

@@ -1,10 +1,27 @@
 
 package com.datausagecheck;
 
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.os.Handler;
+
 import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.Callback;
+import android.app.AppOpsManager;
+import android.app.usage.NetworkStats;
+import android.app.usage.NetworkStatsManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.net.ConnectivityManager;
+import android.os.RemoteException;
+import android.provider.Settings;
+import android.os.Bundle;
+import android.telephony.TelephonyManager;
+import java.util.Calendar;
 
 public class RNDatausagecheckModule extends ReactContextBaseJavaModule {
 
@@ -19,16 +36,93 @@ public RNDatausagecheckModule(ReactApplicationContext reactContext) {
   public String getName() {
     return "RNDatausagecheck";
   }
+  private boolean isAccessGranted() {
+      try {
+          PackageManager packageManager = reactContext.getApplicationContext().getPackageManager();
+          ApplicationInfo applicationInfo = packageManager.getApplicationInfo(reactContext.getApplicationContext().getPackageName(), 0);
+          AppOpsManager appOpsManager = null;
+          if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) {
+              appOpsManager = (AppOpsManager) reactContext.getApplicationContext().getSystemService(Context.APP_OPS_SERVICE);
+          }
+          int mode = 0;
+          if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.KITKAT) {
+              mode = appOpsManager.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS,
+                      applicationInfo.uid, applicationInfo.packageName);
+          }
+          return (mode == AppOpsManager.MODE_ALLOWED);
+
+      } catch (PackageManager.NameNotFoundException e) {
+          return false;
+      }
+
+  }
+
+
+  @ReactMethod
+  public void openDataUsagePermission() {
+    Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
+    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
+    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK);
+    if (intent.resolveActivity(reactContext.getPackageManager()) != null) {
+        reactContext.startActivityForResult(intent,100,Bundle.EMPTY);
+    }
+  }
+
+
+
   @ReactMethod
   public void currentTodayDataUsage(final Callback callback) {
 
     if (callback == null) return;
-
     final Handler handler = new Handler();
     handler.postDelayed(new Runnable() {
       @Override
       public void run() {
-        callback.invoke("You just waited on android for seconds.");
+        if (!isAccessGranted()) {
+            AlertDialog.Builder builder= new AlertDialog.Builder(reactContext.getCurrentActivity());
+            builder.setMessage("To access data usage you have to give permissions manually");
+            builder.setPositiveButton("Open Settings",new DialogInterface.OnClickListener() {
+                @Override
+                public void onClick(DialogInterface dialog, int which) {
+                    openDataUsagePermission();
+                    dialog.dismiss();
+                }
+            });
+            AlertDialog dialog= builder.create();
+            dialog.show();
+        } else {
+            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
+                NetworkStats.Bucket bucket = new NetworkStats.Bucket();
+                NetworkStatsManager networkStatsManager = (NetworkStatsManager) reactContext.getApplicationContext().getSystemService(Context.NETWORK_STATS_SERVICE);
+                TelephonyManager manager = (TelephonyManager) reactContext.getApplicationContext().getSystemService(Context.TELEPHONY_SERVICE);
+                String permission = "android.permission.READ_PHONE_STATE";
+                int res = reactContext.checkSelfPermission(permission);
+                if (res != PackageManager.PERMISSION_GRANTED) {
+                    return;
+                }
+                String subscriberId = manager.getSubscriberId();
+                Calendar calStrt= Calendar.getInstance();
+                calStrt.set(Calendar.MONTH,calStrt.get(Calendar.MONTH));
+                calStrt.set(Calendar.DAY_OF_MONTH,calStrt.get(Calendar.DAY_OF_MONTH));
+                calStrt.set(Calendar.YEAR,calStrt.get(Calendar.YEAR));
+                calStrt.set(Calendar.HOUR,0);
+                calStrt.set(Calendar.AM_PM,Calendar.AM);
+                calStrt.set(Calendar.MINUTE,5);
+                calStrt.set(Calendar.SECOND,0);
+                long startTime = calStrt.getTimeInMillis();
+                long endTime = Calendar.getInstance().getTimeInMillis();
+                try {
+                    NetworkStats.Bucket dataUsage = networkStatsManager.querySummaryForDevice(ConnectivityManager.TYPE_MOBILE,subscriberId,startTime, endTime);
+                    long datausageInNumber= dataUsage.getRxBytes()+dataUsage.getTxBytes();
+                    callback.invoke("data"+datausageInNumber);
+                } catch (RemoteException e) {
+                    e.printStackTrace();
+                }
+            }
+
+        }
+
       }
     }, 1000);
   }

package.json

@@ -2,7 +2,7 @@
 {
   "name": "react-native-datausagecheck",
   "title": "React Native Android Datausagecheck",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "",
   "main": "index.js",
   "scripts": {