Cara Membuat Aplikasi Wifi Menggunakan Android

WIFI 
ActitivityMain.xml

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/activity_main"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:paddingBottom="@dimen/activity_vertical_margin"     android:paddingLeft="@dimen/activity_horizontal_margin"     android:paddingRight="@dimen/activity_horizontal_margin"     android:paddingTop="@dimen/activity_vertical_margin"     tools:context="com.wildan.bluetooth_wifi.MainActivity">     <ImageView         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:id="@+id/imageView"         android:src="@drawable/gambar"         android:layout_alignParentTop="true"         android:layout_centerHorizontal="true" />     <Button         android:id="@+id/button1"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:layout_marginLeft="76dp"         android:text="Enable Wifi"         android:layout_above="@+id/button2"         android:layout_centerHorizontal="true"         android:layout_marginBottom="25dp" />     <Button         android:id="@+id/button2"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:text="Disable Wifi"         android:layout_below="@+id/imageView"         android:layout_alignStart="@+id/button1" /> </RelativeLayout>

      MainActivity.java

package com.wildan.bluetooth_wifi; import android.net.wifi.WifiManager; import android.os.Bundle; import android.app.Activity; import android.content.Context; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class MainActivity extends Activity {     Button enableButton,disableButton;     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         enableButton=(Button)findViewById(R.id.button1);         disableButton=(Button)findViewById(R.id.button2);         enableButton.setOnClickListener(new OnClickListener(){             public void onClick(View v){                 WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);                 wifi.setWifiEnabled(true);             }         });         disableButton.setOnClickListener(new OnClickListener(){             public void onClick(View v){                 WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);                 wifi.setWifiEnabled(false);             }         });     } }

           Manifest

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"     package="com.wildan.bluetooth_wifi">     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />     <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />     <application         android:allowBackup="true"         android:icon="@mipmap/ic_launcher"         android:label="@string/app_name"         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" />             </intent-filter>         </activity>     </application> </manifest>

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