Buatlah sebuah TextView Untuk Menampilkan Hasil Perulangan

import android. os . Bundle ;
import android. app.*;
import android. widget . TextView ;
import java . util . Timer;
import java . util . TimerTask ;
public class MainActivity extends
Activity {
private TextView tv_count ;
int angka = 0;
@Override
protected void onCreate (Bundle savedInstanceState)
{
super . onCreate(savedInstanceState );
setContentView (R . layout.main );
tv_count = (TextView ) findViewById( R . id. tex );
new Timer(). scheduleAtFixedRate ( new TimerTask ()
{
@Override
public void run () {
runOnUiThread (new Runnable() {
@Override
public void run () {
tv_count . setText ("Perulangan ke: " + angka++ );
}});}
// untuk mengatur kecepatan perulangan
}, 1000 , 1000 ); }}

[DROID] perulangan tiap detik berganti

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MainActivity.java

import android.content.Intent;
import android.app.*;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class MainActivity extends Activity {
    Button enableButton,disableButton;
    @Override
   protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);     enableButton=(Button)findViewById(R.id.button1);    disableButton=(Button)findViewById(R.id.button2);    enableButton.setOnClickListener(new View.OnClickListener(){
public void onClick(View v){
startService(new Intent(MainActivity.this,
MyService.class));
}
});      disableButton.setOnClickListener(new View.OnClickListener(){
public void onClick(View v){
stopService(new Intent(MainActivity.this, MyService.class));
}
});
    }
}

MyService.java

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.widget.Toast;
import android.media.*;
public class MyService extends Service {
MediaPlayer n;
    public MyService() {
    }
    @Override
    public IBinder onBind(Intent intent) {
        // TODO: Return the communication channel to the service.
        throw new UnsupportedOperationException("Not yet implemented");
    }
    @Override
    public void onCreate() {
n= MediaPlayer.create(this,R.raw.owl);
        Toast.makeText(this, "The new Service was Created",
   Toast.LENGTH_LONG).show();
   }
    @Override
    public void onStart(Intent intent, int startId) {
        // For time consuming an long tasks you can launch a new thread here...
n.start();    
Toast.makeText(this, " Service Started",    Toast.LENGTH_LONG).show();
    }
    @Override
    public void onDestroy() {
n.stop();
        Toast.makeText(this, "Service Destroyed",
Toast.LENGTH_LONG).show();
    }
}

main.xml

<LinearLayout

    xmlns:android=

"http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical">

<Button

android:id="@+id/button2"

android:layout_width="match_parent"

android:layout_margin="5dp"

android:layout_height="wrap_content"

android:textAllCaps="false"

android:textColor="#ffffff"

android:text="Stop Service" />

<Button

android:id="@+id/button1"

android:layout_width="match_parent"

android:layout_margin="5dp"

android:layout_height="wrap_content"

android:textAllCaps="false"

android:textColor="#ffffff"

android:text="Start Service" />

</LinearLayout>


AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.mycompany.myapp3" >

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
<service

            android:name="MyService"

            android:label="Service"/>
    </application>

</manifest>

[DROID] Service

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MainActicity.java

import android.app.*;
import android.os.*;
import android.net.*;
import android.widget.*;
import android.content.*;

public class MainActivity extends Activity
{
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
ConnectivityManager cm = (ConnectivityManager) getApplication().getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo netInfo = cm.getActiveNetworkInfo();
if (netInfo != null && netInfo.isConnected()) {
Toast.makeText(getApplication(), "You are connected to "+netInfo.getTypeName()+" "+netInfo.getSubtypeName(), Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(getApplication(), "You don't have connection.", Toast.LENGTH_SHORT).show();
}

    }
}

AndroidManifest.xml
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

[DROID] Tes Koneksi Internet

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Dialog Native

Ingin suatu halaman aplikasi muncul tapi dengan model dialog ?
Dan bisa muncul dimana saja alias muncul diluar aplikasi
Anda hanya perlu menambahkan code ini

android:launchMode="singleInstance" android:excludeFromRecents="true"android:theme="@android:style/Theme.Dialog"

Kedalam AndroidManifest.xml  <activity>

Dan untuk mengatur ukuran dialog anda hanya perlu memberi ukuran yang tadinya wrap_content menjadi  500dip (contoh)

[DROID] Dialog Diluar Aplikasi

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<html>
<button type="button" id="autoKlik" onclick="alert('Auto Klik Aktif setiap 50 detik')">Submit</button>
<script>
var button=document.getElementById("autoKlik");
setInterval(function(){
button.click();
}, 50000);
</script>
</html>

[WEB] membuat tombol klik otomatis setiap detik

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Untuk mematikan fungsi tombol kembali anda hanya perlu menambahkan coding ini

@Override
public void onBackPressed() {
//jika ingin terjadi sesuatu ketika tombol back di klik maka buatlah fungsi di sini
}

Dan Untuk membuat Tombol Exit Gunakan Coding ini  di dalam Fungsi Button

moveTaskToBack(true);

[DROID] Disable back button and create exit button

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import android.app.*;
import android.os.*;
import android.widget.*;
import android.content.*;
import android.view.*;
import android.view.View.*;

public class MainActivity extends Activity
{
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);}

//seting button di xml gunakan onClick dan panggil dengan public void
   //startclick adalah nilai dari onClick yang ada di Button
   public void startclick ( View v){
   //ketika tombol di klik maka waktu akan menghitung mundur dari 5000 (5detik) sampai 1000 (1detik)
new CountDownTimer( 5000 ,1000 ){
@Override
//jika waktu telah habis maka halaman akan berpindah
public void onFinish() {
Intent go=new Intent(hal2.this,MainActivity.class);
startActivity(go);
}
@Override
//untuk menampilkan notifikasi waktu yang sedang berhitung mundur ke dialog
public void onTick( long berhenti) {
final Dialog dialog = new Dialog(hal2.this);
dialog.setTitle("Loding"+berhenti/1000);
dialog.show();
}
}. start();
}  
}

[DROID] CountDown tombol berwaktu

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