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raduciobanuraduciobanu
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Commit WiFiScanner Android code
1 parent a8ce67b commit 8f7a244

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‎app/.DS_Store

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‎app/.gitignore

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/build

‎app/build.gradle

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apply plugin: 'com.android.application'
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android {
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compileSdkVersion 27
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defaultConfig {
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applicationId "ro.pub.acs.wifiscanner"
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minSdkVersion 21
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targetSdkVersion 27
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
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}
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}
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}
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dependencies {
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implementation fileTree(dir: 'libs', include: ['*.jar'])
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//noinspection GradleCompatible
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implementation 'com.android.support:appcompat-v7:27.1.1'
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implementation 'com.android.support.constraint:constraint-layout:1.1.2'
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testImplementation 'junit:junit:4.12'
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androidTestImplementation 'com.android.support.test:runner:1.0.2'
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androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
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}
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‎app/proguard-rules.pro

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎app/src/androidTest/java/ro/pub/acs/wifiscanner/ExampleInstrumentedTest.java

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package ro.pub.acs.wifiscanner;
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import android.content.Context;
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import android.support.test.InstrumentationRegistry;
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import android.support.test.runner.AndroidJUnit4;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import static org.junit.Assert.*;
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
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*/
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@RunWith(AndroidJUnit4.class)
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public class ExampleInstrumentedTest {
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@Test
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public void useAppContext() {
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// Context of the app under test.
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Context appContext = InstrumentationRegistry.getTargetContext();
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assertEquals("ro.pub.acs.wifiscanner", appContext.getPackageName());
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}
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}

‎app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="ro.pub.acs.wifiscanner">
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<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
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<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
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<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
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<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
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<uses-permission
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android:name="android.permission.WRITE_EXTERNAL_STORAGE"
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android:maxSdkVersion="18" />
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/AppTheme">
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎app/src/main/java/ro/pub/acs/wifiscanner/Alarm.java

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package ro.pub.acs.wifiscanner;
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import android.os.Handler;
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import android.os.HandlerThread;
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import java.util.Random;
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public class Alarm {
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// Callback for alarm trigger --------------------------------------------------------------------------------------
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public interface Callback {
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public void onTriggered();
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}
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// -----------------------------------------------------------------------------------------------------------------
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private class Timer implements Runnable {
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private long timeout;
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private boolean repeating;
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public Timer(long timeout, boolean repeating) {
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this.timeout = timeout;
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this.repeating = repeating;
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}
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@Override
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public void run() {
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mCallback.onTriggered();
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if (repeating) {
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mHandler.postDelayed(this, timeout);
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}
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}
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}
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private String mId;
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private Callback mCallback;
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private boolean mSet = false;
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private Handler mHandler;
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public Alarm(String id, Callback callback) {
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mId = id;
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mCallback = callback;
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}
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public void set(long timeout, boolean repeating) {
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synchronized (this) {
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if (!mSet) {
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HandlerThread thread = new HandlerThread(mId + "-" + new Random().nextLong());
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thread.start();
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mHandler = new Handler(thread.getLooper());
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mHandler.post(new Timer(timeout, repeating));
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mSet = true;
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}
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}
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}
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public void cancel() {
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synchronized (this) {
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if (mSet) {
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mSet = false;
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mHandler.getLooper().quit();
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}
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}
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}
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}

‎app/src/main/java/ro/pub/acs/wifiscanner/MainActivity.java

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package ro.pub.acs.wifiscanner;
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import android.Manifest;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.pm.PackageManager;
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import android.os.Build;
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import android.support.v7.app.AppCompatActivity;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import android.widget.Button;
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public class MainActivity extends AppCompatActivity {
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WiFiReceiver mReceiver;
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public static final String TAG = "WiFiScanner";
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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mReceiver = new WiFiReceiver(this);
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initButton();
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}
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private void initButton() {
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setScanning(false);
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Button button = findViewById(R.id.button);
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button.setText(isScanning() ? "Stop scan" : "Start scan");
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button.setOnClickListener(new Button.OnClickListener() {
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@Override
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public void onClick(View v) {
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if (isScanning()) {
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Log.v(TAG, "Stop scanning");
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mReceiver.stopReceiver();
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setScanning(false);
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((Button) v).setText("Start scan");
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} else {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && checkSelfPermission(Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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requestPermissions(new String[]{Manifest.permission.ACCESS_COARSE_LOCATION},
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1001);
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} else {
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Log.v(TAG, "Start scanning");
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mReceiver.startReceiver();
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setScanning(true);
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((Button) v).setText("Stop scan");
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}
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}
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}
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});
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}
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@Override
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public void onRequestPermissionsResult(int requestCode, String[] permissions,
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int[] grantResults) {
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if (requestCode == 1001 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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Log.v(TAG, "Start scanning");
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mReceiver.startReceiver();
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setScanning(true);
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Button button = findViewById(R.id.button);
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button.setText("Stop scan");
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}
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}
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private boolean isScanning() {
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SharedPreferences prefs = this.getSharedPreferences("scan_status", Context.MODE_PRIVATE);
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return prefs.getBoolean("scanning", false);
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}
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private void setScanning(boolean status) {
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SharedPreferences prefs = this.getSharedPreferences("scan_status", Context.MODE_PRIVATE);
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SharedPreferences.Editor editor = prefs.edit();
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editor.putBoolean("scanning", status);
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editor.commit();
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}
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}

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