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My very first implementation of the slideshow ! #1

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1 change: 1 addition & 0 deletions MyFirstSlideshow/app/build.gradle
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Expand Up @@ -20,4 +20,5 @@ android {

dependencies {
compile 'com.android.support:appcompat-v7:25.3.1'
compile 'com.karumi:dexter:4.1.0'
}
6 changes: 6 additions & 0 deletions MyFirstSlideshow/app/src/main/AndroidManifest.xml
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Expand Up @@ -2,6 +2,12 @@
<manifest package="com.charles.myfirstslideshow"
xmlns:android="http://schemas.android.com/apk/res/android">

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
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151 changes: 148 additions & 3 deletions MyFirstSlideshow/app/src/main/java/com/charles/myfirstslideshow/MainActivity.java
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@@ -1,7 +1,23 @@
package com.charles.myfirstslideshow;

import android.support.v7.app.AppCompatActivity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.os.StrictMode;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.ImageView;
import android.R.id;

import java.io.Serializable;
import java.lang.ref.WeakReference;
import java.net.URL;
import java.net.URLConnection;
import java.util.Arrays;
import java.util.List;

import static android.graphics.Color.GREEN;
import static android.graphics.Color.GRAY;

/**
* MainActivity.java
Expand All @@ -10,12 +26,141 @@
* This code is for demonstration purposes only. It should not be assumed to represent best
* practices or patterns employed at Yoti.
*/
public class MainActivity extends AppCompatActivity implements Serializable {

// Images under Creative Commons
// Images attributed to (in order) https://www.flickr.com/photos/_torne/
// https://www.flickr.com/photos/chrisyarzab/
// https://www.reddit.com/user/lalien42/
// http://www.kapstadt.de/

public static List images = Arrays.asList(new String[]{"https://c1.staticflickr.com/6/5615/15570202337_0e64f5046e_k.jpg",
"https://c1.staticflickr.com/4/3169/2846544061_cb7c04b46f_b.jpg",
"https://i.redd.it/d8q1wkgu1awy.jpg",
"http://www.kapstadt.de/webcam.jpg"});

public class MainActivity extends AppCompatActivity {
static int i = 0;
static int j = 0;

volatile WeakReference<ImageView> image1;
volatile WeakReference<ImageView> image2;

static View[] dots1;
static View[] dots2;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

if (savedInstanceState == null) {
dots1 = new View[4];
dots1[0] = getWindow().findViewById(R.id.dots1dot1);
dots1[1] = getWindow().findViewById(R.id.dots1dot2);
dots1[2] = getWindow().findViewById(R.id.dots1dot3);
dots1[3] = getWindow().findViewById(R.id.dots1dot4);
dots2 = new View[4];
dots2[0] = getWindow().findViewById(R.id.dots2dot1);
dots2[1] = getWindow().findViewById(R.id.dots2dot2);
dots2[2] = getWindow().findViewById(R.id.dots2dot3);
dots2[3] = getWindow().findViewById(R.id.dots2dot4);
}

super.onCreate(savedInstanceState);

image1 = new WeakReference<ImageView>((ImageView) getWindow().findViewById(R.id.image1));
image2 = new WeakReference<ImageView>((ImageView) getWindow().findViewById(R.id.image2));
}

public synchronized void onButtonOneClicked(View button) {
String currentImage = "" + images.get(i % 4);
i += 1;
// the last url of the array changes every ~ 15 minutes
Bitmap b;
try {
URL url = new URL(currentImage);
URLConnection c = url.openConnection();
b = BitmapFactory.decodeStream(c.getInputStream());
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("Error decoding picture");
}

image1.get().setImageBitmap(b);

//Update dots
if (i % 4 == 0) {
dots1[0].setBackgroundColor(GREEN);
dots1[1].setBackgroundColor(GRAY);
dots1[2].setBackgroundColor(GRAY);
dots1[3].setBackgroundColor(GRAY);
}
if (i % 4 == 1) {
dots1[1].setBackgroundColor(GREEN);
dots1[0].setBackgroundColor(GRAY);
dots1[2].setBackgroundColor(GRAY);
dots1[3].setBackgroundColor(GRAY);
}
if (i % 4 == 2) {
dots1[2].setBackgroundColor(GREEN);
dots1[1].setBackgroundColor(GRAY);
dots1[0].setBackgroundColor(GRAY);
dots1[3].setBackgroundColor(GRAY);
}
if (i % 4 == 3) {
dots1[3].setBackgroundColor(GREEN);
dots1[1].setBackgroundColor(GRAY);
dots1[2].setBackgroundColor(GRAY);
dots1[0].setBackgroundColor(GRAY);
}
}

public synchronized void onButtonTwoClicked(View button) {
String currentImage = "" + images.get(j % 4);
j += 1;
// the last url of the array changes every ~ 15 minutes
Bitmap b;
try {
URL url = new URL(currentImage);
URLConnection c = url.openConnection();
b = BitmapFactory.decodeStream(c.getInputStream());
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("Error decoding picture");
}

image2.get().setImageBitmap(b);

//Update dots
if (j % 4 == 0) {
dots2[0].setBackgroundColor(GREEN);
dots2[1].setBackgroundColor(GRAY);
dots2[2].setBackgroundColor(GRAY);
dots2[3].setBackgroundColor(GRAY);
}
if (j % 4 == 1) {
dots2[1].setBackgroundColor(GREEN);
dots2[0].setBackgroundColor(GRAY);
dots2[2].setBackgroundColor(GRAY);
dots2[3].setBackgroundColor(GRAY);
}
if (j % 4 == 2) {
dots2[2].setBackgroundColor(GREEN);
dots2[1].setBackgroundColor(GRAY);
dots2[0].setBackgroundColor(GRAY);
dots2[3].setBackgroundColor(GRAY);
}
if (j % 4 == 3) {
dots2[3].setBackgroundColor(GREEN);
dots2[1].setBackgroundColor(GRAY);
dots2[2].setBackgroundColor(GRAY);
dots2[0].setBackgroundColor(GRAY);
}
}

public void onImageTapped(View image) {
}
{
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
}
86 changes: 81 additions & 5 deletions MyFirstSlideshow/app/src/main/res/layout/activity_main.xml
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Expand Up @@ -4,11 +4,87 @@
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.charles.myfirstslideshow.MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Hello World!"
/>
<ImageView
android:layout_width="match_parent"
android:layout_height="400px"
android:id="@+id/image1"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<View
android:id="@+id/dots1dot1"
android:layout_width="100px"
android:layout_height="20px"
android:layout_weight="1"
android:background="#008000"/>
<View
android:id="@+id/dots1dot2"
android:layout_width="100px"
android:layout_height="20px"
android:layout_weight="1"
android:background="#008000"/>
<View
android:id="@+id/dots1dot3"
android:layout_width="100px"
android:layout_height="20px"
android:layout_weight="1"
android:background="#008000"/>
<View
android:id="@+id/dots1dot4"
android:layout_width="100px"
android:layout_height="20px"
android:layout_weight="1"
android:background="#008000"/>
</LinearLayout>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Next Image"
android:onClick="onButtonOneClicked"/>


<ImageView
android:layout_width="match_parent"
android:layout_height="400px"
android:id="@+id/image2"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<View
android:id="@+id/dots2dot1"
android:layout_width="100px"
android:layout_height="20px"
android:layout_weight="1"
android:background="#008000"/>
<View
android:id="@+id/dots2dot2"
android:layout_width="100px"
android:layout_height="20px"
android:layout_weight="1"
android:background="#008000"/>
<View
android:id="@+id/dots2dot3"
android:layout_width="100px"
android:layout_height="20px"
android:layout_weight="1"
android:background="#008000"/>
<View
android:id="@+id/dots2dot4"
android:layout_width="100px"
android:layout_height="20px"
android:layout_weight="1"
android:background="#008000"/>
</LinearLayout>
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Next Image"
android:onClick="onButtonTwoClicked"/>
</LinearLayout>

</FrameLayout>