Battery Enable code file

code file of this project

Author: rk215

batterypercentage code file/MainActivity.java

@@ -0,0 +1,73 @@
+package com.example.r_k.intentservicebatterypercentage;
+
+import android.app.NotificationManager;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.app.NotificationCompat;
+import android.widget.CompoundButton;
+import android.widget.Switch;
+
+public class MainActivity extends AppCompatActivity{
+    private myservice service;
+    Switch Batteryswitch;
+    Intent intent;
+    NotificationCompat.Builder notificationCompat;
+    NotificationManager manager;
+
+    SharedPreferences preferences;
+    SharedPreferences.Editor editor;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Batteryswitch = (Switch) findViewById(R.id.Batteryswitch);
+
+        preferences = getSharedPreferences("myPreference", MODE_PRIVATE);
+        Batteryswitch.setChecked
+                (preferences.getBoolean("Switch", false));
+
+
+        Batteryswitch.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener(){
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
+
+                if (Batteryswitch.isChecked() == true) {
+                    if (service == null) {
+                        intent = new Intent(MainActivity.this, myservice.class);
+
+     preferences = getSharedPreferences("myPreference", MODE_PRIVATE);
+
+     editor = preferences.edit();
+
+     editor.putBoolean("Switch", true);
+
+     editor.commit();
+                        startService(intent);
+                    }
+                } else {
+                    editor = preferences.edit();
+                    editor.putBoolean("Switch", false);
+                    editor.apply();
+                    intent = new Intent(MainActivity.this, myservice.class);
+
+                    stopService(intent);//stop service.
+
+                    //cancel notification from status bar .
+
+                    notificationCompat = (NotificationCompat.Builder) new NotificationCompat.Builder(getApplicationContext())
+                            .setContentTitle("Battery is low")
+                            .setContentText("Current percentage is ")
+                            .setSmallIcon(R.drawable.one)
+                            .setTicker("Battery ");
+                    manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
+                    manager.cancel(0);
+
+                }
+            }
+        });
+
+    }
+
+}