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--- android_learning:headfirst_android_development_notes:chapter_13 [2016/04/30 02:52] – [pp. 562-563: Code block] mithat
+++ android_learning:headfirst_android_development_notes:chapter_13 [2016/05/07 06:04] (current) – [p. 553] mithat
@@ Line 1: / Line 1: @@
 ====== Chapter 13 ======
-<WRAP center round info 60%>
+<WRAP center round important 60%>
-Under development.
+If you read nothing else here, you should check out the section on [[#permissions]].
 </WRAP>
@@ Line 44: / Line 44: @@
 ===== p. 550: Code block =====
-<code>
+<code java>
     public void onClick(View view) {
         Intent intent = new Intent(this, DelayedMessageService.class);
@@ Line 55: / Line 55: @@
 ===== p. 553 =====
-In other words, while most Intent methods run off the main thread, but onStartCommand() runs on the main thread.
+In other words, while most IntentService methods run off the main thread, but ''onStartCommand()'' runs on the main thread.
 ===== p. 554 =====
@@ Line 245: / Line 245: @@
 ===== Permissions? =====
-You will probably see some editor rage even after you add the needed permissions to //AndroidManifest.xml//. The autofix will suggest "Add Permission Check." This is because the way Android handles permissions has [[https://developer.android.com/training/permissions/requesting.html|changed in Android 6.0 (API level 23)]]. Instead of the permissions being asked to be granted at install time, they are asked at run time.
+You will probably continue to see editor rage even after you add the location services permissions to //AndroidManifest.xml//. The autofix will suggest that you "Add Permission Check." This is because permission handling has [[https://developer.android.com/training/permissions/requesting.html|changed in Android 6.0 (API level 23)]]. Instead of the permissions being asked for at install time, they are now asked at run time.
 > If the device is running Android 5.1 or lower, **or** your app's target SDK is 22 or lower: If you list a dangerous permission in your manifest, the user has to grant the permission when they install the app; if they do not grant the permission, the system does not install the app at all.
@@ Line 273: / Line 273: @@
 The IDE will tell you that the project needs to be synced, which you should do. And for good measure, from the menu bar, do a //Build > Clean Project//.
+===== Code block =====
+<file java MainActivity.java>
+package com.hfad.odometer;
+import android.app.Activity;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.ServiceConnection;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.IBinder;
+import android.widget.TextView;
+public class MainActivity extends Activity {
+    private OdometerService odometer;
+    private boolean bound = false;
+    private ServiceConnection connection = new ServiceConnection() {
+        @Override
+        public void onServiceConnected(ComponentName componentName, IBinder binder) {
+            OdometerService.OdometerBinder odometerBinder =
+                    (OdometerService.OdometerBinder) binder;
+            odometer = odometerBinder.getOdometer();
+            bound = true;
+        }
+        @Override
+        public void onServiceDisconnected(ComponentName componentName) {
+            bound = false;
+        }
+    };
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        watchMileage();
+    }
+    @Override
+    protected void onStart() {
+        super.onStart();
+        Intent intent = new Intent(this, OdometerService.class);
+        bindService(intent, connection, Context.BIND_AUTO_CREATE);
+    }
+    @Override
+    protected void onStop() {
+        super.onStop();
+        if (bound) {
+            unbindService(connection);
+            bound = false;
+        }
+    }
+    private void watchMileage() {
+        final TextView distanceView = (TextView)findViewById(R.id.distance);
+        final Handler handler = new Handler();
+        handler.post(new Runnable() {
+            @Override
+            public void run() {
+                double distance = 0.0;
+                if (odometer != null) {
+                    distance = odometer.getMiles();
+                }
+                String distanceStr = String.format("%1$,.2f miles", distance);
+                distanceView.setText(distanceStr);
+                handler.postDelayed(this, 1000);
+            }
+        });
+    }
+}
+</file>