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Metode dan Algoritma | Membuat Aplikasi Battery Info Android, Informasi Status Baterai Handphone . Anda bisa melakukan konsultasi tentang Membuat Aplikasi Battery Info Android, Informasi Status Baterai Handphone melalui form di samping kanan !!!

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Membuat Aplikasi Battery Info Android, Informasi Status Baterai Handphone ini penulis dapatkan dari sebuah buku. Aplikasi ini cukup berguna untuk memberi informasi bahwa baterai dalam kondisi charging, penuh, hampir habis, atau dalam keadaan masih bagus, atau sudah rusak, dan sebagainya.

Untuk membuat aplikasi ini butuh permission BATTERY_STATS yang menunjukkan bahwa aplikasi boleh melihat status baterai milik perangkat Android.

Caranya buat project baru, kemudian buat tampilan sederhana dengan 5 buah TextView pada file layout activity_main.xml seperti ini :

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/LinearLayout1"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity" >

    <TextView
        android:id="@+id/tvBatteryLevel"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Battery Level" />

    <TextView
        android:id="@+id/tvBatteryVoltage"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Battery Voltage" />

    <TextView
        android:id="@+id/tvBatteryTemperature"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Battery Temperature" />

    <TextView
        android:id="@+id/tvBatteryTechnology"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Battery Technology" />

    <TextView
        android:id="@+id/tvBatteryStatus"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Battery Status" />

    <TextView
        android:id="@+id/tvBatteryHealth"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Battery Health" />

</LinearLayout>

Kemudian pada kode program utama di MainActivity.java ketikkan seperti ini :

package com.amijaya.android_battery_info;

import android.os.BatteryManager;
import android.os.Bundle;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.view.Menu;
import android.widget.EditText;
import android.widget.TextView;

// http://cariprogram.blogspot.com
// nuramijaya@gmail.com

public class MainActivity extends Activity {

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  
  registerReceiver(new BroadcastReceiver() {
   
   @Override
   public void onReceive(Context arg0, Intent arg1) {
    // TODO Auto-generated method stub
    
    if (arg1.getAction().equals(Intent.ACTION_BATTERY_CHANGED)){
     TextView tvBatteryLevel = (TextView)findViewById(R.id.tvBatteryLevel);
     TextView tvBatteryVoltage = (TextView)findViewById(R.id.tvBatteryVoltage);
     TextView tvBatteryTemperature = (TextView)findViewById(R.id.tvBatteryTemperature);
     TextView tvBatteryTechnology = (TextView)findViewById(R.id.tvBatteryTechnology);
     TextView tvBatteryStatus = (TextView)findViewById(R.id.tvBatteryStatus);
     TextView tvBatteryHealth = (TextView)findViewById(R.id.tvBatteryHealth);
        
     tvBatteryLevel.setText("Level: "
          + String.valueOf(arg1.getIntExtra("level", 0)) + "%");
     tvBatteryVoltage.setText("Voltage: "
          + String.valueOf((float)arg1.getIntExtra("voltage", 0)/1000) + "V");
     tvBatteryTemperature.setText("Temperature: "
          + String.valueOf((float)arg1.getIntExtra("temperature", 0)/10) + "c");
     tvBatteryTechnology.setText("Technology: " + arg1.getStringExtra("technology"));
       
        int status = arg1.getIntExtra("status", BatteryManager.BATTERY_STATUS_UNKNOWN);
        String strStatus;
        if (status == BatteryManager.BATTERY_STATUS_CHARGING){
         strStatus = "Charging";
        } else if (status == BatteryManager.BATTERY_STATUS_DISCHARGING){
         strStatus = "Dis-charging";
        } else if (status == BatteryManager.BATTERY_STATUS_NOT_CHARGING){
         strStatus = "Not charging";
        } else if (status == BatteryManager.BATTERY_STATUS_FULL){
         strStatus = "Full";
        } else {
         strStatus = "Unknown";
        }
        tvBatteryStatus.setText("Status: " + strStatus);
       
        int health = arg1.getIntExtra("health", BatteryManager.BATTERY_HEALTH_UNKNOWN);
        String strHealth;
        if (health == BatteryManager.BATTERY_HEALTH_GOOD){
         strHealth = "Good";
        } else if (health == BatteryManager.BATTERY_HEALTH_OVERHEAT){
         strHealth = "Over Heat";
        } else if (health == BatteryManager.BATTERY_HEALTH_DEAD){
         strHealth = "Dead";
        } else if (health == BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE){
         strHealth = "Over Voltage";
        } else if (health == BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE){
         strHealth = "Unspecified Failure";
        } else{
         strHealth = "Unknown";
        }
        tvBatteryHealth.setText("Health: " + strHealth);
    }
   }
  }, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));

 }

 @Override
 public boolean onCreateOptionsMenu(Menu menu) {
  // Inflate the menu; this adds items to the action bar if it is present.
  getMenuInflater().inflate(R.menu.activity_main, menu);
  return true;
 }

}

Terakhir jangan lupa memberi permission BATTERY_STATS

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.amijaya.android_battery_info"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="16" />
    <uses-permission android:name="android.permission.BATTERY_STATS"/>

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.amijaya.android_battery_info.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>
    </application>

</manifest>

Jika dijalankan hasilnya :

Project androidnya bisa didownload. Jika kesulitan silakan cek caranya.

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Judul: Membuat Aplikasi Battery Info Android, Informasi Status Baterai Handphone
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