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‎ShakeToRefresh/.gitignore

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.gradle
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/local.properties
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/.idea/workspace.xml
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.DS_Store

‎ShakeToRefresh/app/proguard-rules.txt

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# Add project specific ProGuard rules here.
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# By default, the flags in this file are appended to flags specified
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# in D:/DevMobile/sdk1/eclipse_Android_SDK/android-sdk_r18-windows/android-sdk-windows/tools/proguard/proguard-android.txt
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# You can edit the include path and order by changing the ProGuard
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# include property in project.properties.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# Add any project specific keep options here:
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}

‎ShakeToRefresh/app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.survivingwithandroid.shaketorefresh.app" >
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<application
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android:allowBackup="true"
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android:icon="@drawable/ic_launcher"
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android:label="@string/app_name"
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android:theme="@style/AppTheme" >
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<activity
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android:name="com.survivingwithandroid.shaketorefresh.app.MainActivity"
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android:label="@string/app_name" >
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎ShakeToRefresh/app/src/main/java/com/survivingwithandroid/shaketorefresh/app/MainActivity.java

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/*
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* Copyright (C) 2014 Francesco Azzola
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* Surviving with Android (http://www.survivingwithandroid.com)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.survivingwithandroid.shaketorefresh.app;
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import android.app.Activity;
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import android.support.v7.app.ActionBarActivity;
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import android.os.Bundle;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.widget.ArrayAdapter;
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import android.widget.ListView;
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import android.widget.Toast;
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public class MainActivity extends Activity implements ShakeEventManager.ShakeListener {
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private String[] dataList;
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private ArrayAdapter<String> adpt;
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private ListView listView;
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private ShakeEventManager sd;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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createData();
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adpt = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, dataList);
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listView = (ListView) findViewById(R.id.list);
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listView.setAdapter(adpt);
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sd = new ShakeEventManager();
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sd.setListener(this);
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sd.init(this);
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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// Inflate the menu; this adds items to the action bar if it is present.
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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return super.onOptionsItemSelected(item);
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}
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private void createData() {
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int start = (int) (Math.random() * 10);
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dataList = new String[15];
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for (int i=0; i < dataList.length; i++)
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dataList[i] = "Item_" + (start + i);
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}
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@Override
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public void onShake() {
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createData();
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adpt = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, dataList);
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Toast.makeText(this, "Refresh data...", Toast.LENGTH_SHORT).show();
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listView.setAdapter(adpt);
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}
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@Override
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protected void onResume() {
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super.onResume();
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sd.register();
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}
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@Override
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protected void onPause() {
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super.onPause();
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sd.deregister();
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}
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}

‎ShakeToRefresh/app/src/main/java/com/survivingwithandroid/shaketorefresh/app/ShakeEventManager.java

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/*
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* Copyright (C) 2014 Francesco Azzola
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* Surviving with Android (http://www.survivingwithandroid.com)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.survivingwithandroid.shaketorefresh.app;
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import android.content.Context;
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import android.hardware.Sensor;
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import android.hardware.SensorEvent;
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import android.hardware.SensorEventListener;
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import android.hardware.SensorManager;
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import android.util.Log;
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public class ShakeEventManager implements SensorEventListener {
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private SensorManager sManager;
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private Sensor s;
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private static final int MOV_COUNTS = 2;
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private static final int MOV_THRESHOLD = 4;
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private static final float ALPHA = 0.8F;
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private static final int SHAKE_WINDOW_TIME_INTERVAL = 500; // milliseconds
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// Gravity force on x,y,z axis
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private float gravity[] = new float[3];
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private int counter;
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private long firstMovTime;
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private ShakeListener listener;
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public ShakeEventManager() {
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}
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public void setListener(ShakeListener listener) {
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this.listener = listener;
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}
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public void init(Context ctx) {
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sManager = (SensorManager) ctx.getSystemService(Context.SENSOR_SERVICE);
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s = sManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
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register();
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}
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public void register() {
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sManager.registerListener(this, s, SensorManager.SENSOR_DELAY_NORMAL);
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}
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@Override
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public void onSensorChanged(SensorEvent sensorEvent) {
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float maxAcc = calcMaxAcceleration(sensorEvent);
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Log.d("SwA", "Max Acc ["+maxAcc+"]");
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if (maxAcc >= MOV_THRESHOLD) {
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if (counter == 0) {
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counter++;
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firstMovTime = System.currentTimeMillis();
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Log.d("SwA", "First mov..");
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} else {
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long now = System.currentTimeMillis();
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if ((now - firstMovTime) < SHAKE_WINDOW_TIME_INTERVAL)
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counter++;
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else {
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resetAllData();
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counter++;
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return;
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}
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Log.d("SwA", "Mov counter ["+counter+"]");
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if (counter >= MOV_COUNTS)
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if (listener != null)
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listener.onShake();
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}
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}
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}
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@Override
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public void onAccuracyChanged(Sensor sensor, int i) {}
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public void deregister() {
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sManager.unregisterListener(this);
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}
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private float calcMaxAcceleration(SensorEvent event) {
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gravity[0] = calcGravityForce(event.values[0], 0);
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gravity[1] = calcGravityForce(event.values[1], 1);
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gravity[2] = calcGravityForce(event.values[2], 2);
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float accX = event.values[0] - gravity[0];
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float accY = event.values[1] - gravity[1];
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float accZ = event.values[2] - gravity[2];
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float max1 = Math.max(accX, accY);
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return Math.max(max1, accZ);
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}
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// Low pass filter
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private float calcGravityForce(float currentVal, int index) {
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return ALPHA * gravity[index] + (1 - ALPHA) * currentVal;
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}
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private void resetAllData() {
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Log.d("SwA", "Reset all data");
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counter = 0;
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firstMovTime = System.currentTimeMillis();
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}
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public static interface ShakeListener {
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public void onShake();
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}
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}

‎ShakeToRefresh/app/src/main/res/drawable-hdpi/ic_launcher.png

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‎ShakeToRefresh/app/src/main/res/drawable-mdpi/ic_launcher.png

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‎ShakeToRefresh/app/src/main/res/drawable-xhdpi/ic_launcher.png

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‎ShakeToRefresh/app/src/main/res/drawable-xxhdpi/ic_launcher.png

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‎ShakeToRefresh/app/src/main/res/layout/activity_main.xml

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<!--
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~ *******************************************************************************
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~ Copyright (c) 2013-2014 Francesco Azzola (http://www.survivingwithandroid.com).
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~
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~ Licensed under the Apache License, Version 2.0 (the "License");
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~ you may not use this file except in compliance with the License.
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~ You may obtain a copy of the License at
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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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~ Unless required by applicable law or agreed to in writing, software
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~ distributed under the License is distributed on an "AS IS" BASIS,
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~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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~ See the License for the specific language governing permissions and
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~ limitations under the License.
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~ *****************************************************************************
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-->
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:paddingLeft="@dimen/activity_horizontal_margin"
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android:paddingRight="@dimen/activity_horizontal_margin"
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android:paddingTop="@dimen/activity_vertical_margin"
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android:paddingBottom="@dimen/activity_vertical_margin"
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tools:context="com.survivingwithandroid.shaketorefresh.app.MainActivity">
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<TextView
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android:text="@string/app_name"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_centerHorizontal="true"
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android:id="@+id/txt"/>
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<ListView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:id="@+id/list"
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android:layout_below="@id/txt"
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android:layout_marginTop="15dp"/>
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</RelativeLayout>

‎ShakeToRefresh/app/src/main/res/menu/main.xml

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<!--
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~ *******************************************************************************
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~ Copyright (c) 2013-2014 Francesco Azzola (http://www.survivingwithandroid.com).
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~
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~ Licensed under the Apache License, Version 2.0 (the "License");
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~ you may not use this file except in compliance with the License.
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~ You may obtain a copy of the License at
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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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~ Unless required by applicable law or agreed to in writing, software
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~ distributed under the License is distributed on an "AS IS" BASIS,
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~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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~ See the License for the specific language governing permissions and
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~ limitations under the License.
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~ *****************************************************************************
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-->
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<menu xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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tools:context="com.survivingwithandroid.shaketorefresh.app.MainActivity" >
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</menu>

‎ShakeToRefresh/app/src/main/res/values-w820dp/dimens.xml

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<resources>
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<!-- Example customization of dimensions originally defined in res/values/dimens.xml
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(such as screen margins) for screens with more than 820dp of available width. This
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would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
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<dimen name="activity_horizontal_margin">64dp</dimen>
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</resources>

‎ShakeToRefresh/app/src/main/res/values/dimens.xml

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<resources>
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<!-- Default screen margins, per the Android Design guidelines. -->
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<dimen name="activity_horizontal_margin">16dp</dimen>
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<dimen name="activity_vertical_margin">16dp</dimen>
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</resources>

‎ShakeToRefresh/app/src/main/res/values/strings.xml

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<?xml version="1.0" encoding="utf-8"?>
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<!--
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~ *******************************************************************************
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~ Copyright (c) 2013-2014 Francesco Azzola (http://www.survivingwithandroid.com).
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~
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~ Licensed under the Apache License, Version 2.0 (the "License");
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~ you may not use this file except in compliance with the License.
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~ You may obtain a copy of the License at
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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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~ Unless required by applicable law or agreed to in writing, software
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~ distributed under the License is distributed on an "AS IS" BASIS,
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~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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~ See the License for the specific language governing permissions and
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~ limitations under the License.
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~ *****************************************************************************
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-->
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<resources>
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<string name="app_name">ShakeToRefresh</string>
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</resources>

‎ShakeToRefresh/app/src/main/res/values/styles.xml

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<resources>
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<!-- Base application theme. -->
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<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
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<!-- Customize your theme here. -->
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</style>
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</resources>

‎ShakeToRefresh/build.gradle

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// Top-level build file where you can add configuration options common to all sub-projects/modules.
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buildscript {
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repositories {
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mavenCentral()
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}
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dependencies {
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classpath 'com.android.tools.build:gradle:0.9.+'
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}
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}
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allprojects {
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repositories {
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mavenCentral()
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}
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}

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