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Apache License
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/* * Copyright 2011 madvertise Mobile Advertising GmbH */*from ww w .j a va 2s . c om*/ * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package de.madvertise.android.sdk; import java.io.IOException; import java.io.InputStream; import java.io.UnsupportedEncodingException; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.ArrayList; import java.util.List; import java.util.Timer; import java.util.TimerTask; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.json.JSONException; import org.json.JSONObject; import android.content.Context; import android.content.pm.PackageManager; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Rect; import android.graphics.Typeface; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.graphics.drawable.GradientDrawable; import android.os.Handler; import android.provider.Settings.Secure; import android.util.AttributeSet; import android.util.Log; import android.view.Display; import android.view.Gravity; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.widget.LinearLayout; import android.widget.TextView; /** * Ad View Container to show an ad * */ public class MadView extends LinearLayout { private static final boolean IS_TESTMODE_DEFAULT = false; // parameters for shine effect of the textview banner private final int GRADIENT_TOP_ALPHA = (int) (255 * 0.50); private final double GRADIENT_STOP = 0.7375; private Ad currentAd; private BitmapDrawable textBannerBackground; // parameters of the mad view private int textColor = MadUtil.TEXT_COLOR_DEFAULT; private int backgroundColor = MadUtil.BACKGROUND_COLOR_DEFAULT; private int secondsToRefreshAd = MadUtil.SECONDS_TO_REFRESH_AD_DEFAULT; private boolean testMode = IS_TESTMODE_DEFAULT; private String bannerType = MadUtil.BANNER_TYPE_DEFAULT; private boolean deliverOnlyText = MadUtil.DELIVER_ONLY_TEXT_DEFAULT; private int textSize = MadUtil.TEXT_SIZE_DEFAULT; private int bannerHeight = MadUtil.MMA_BANNER_HEIGHT_DEFAULT; private MadViewCallbackListener callbackListener = null; private Timer adTimer = null; private final Handler mHandler = new Handler(); private boolean runningRefreshAd = false; private Drawable initialBackground = null; /** * Constructor * * @param context */ public MadView(Context context) { this(context, null); } /** * Constructor * * @param context * @param attrs */ public MadView(Context context, AttributeSet attrs) { super(context, attrs); MadUtil.logMessage(null, Log.DEBUG, "** Constructor for mad view called **"); setVisibility(INVISIBLE); if (context.checkCallingOrSelfPermission(android.Manifest.permission.INTERNET) == PackageManager.PERMISSION_DENIED) { MadUtil.logMessage(null, Log.DEBUG, " *** ----------------------------- *** "); MadUtil.logMessage(null, Log.DEBUG, " *** Missing internet permissions! *** "); MadUtil.logMessage(null, Log.DEBUG, " *** ----------------------------- *** "); throw new IllegalArgumentException(); } initParameters(attrs); Display display = ((WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay(); MadUtil.logMessage(null, Log.DEBUG, "Display values: Width = " + display.getWidth() + " ; Height = " + display.getHeight()); setGravity(Gravity.CENTER); initialBackground = this.getBackground(); Rect r = new Rect(0, 0, display.getWidth(), display.getHeight()); textBannerBackground = generateBackgroundDrawable(r, backgroundColor, 0xffffff); setClickable(true); setFocusable(true); setDescendantFocusability(ViewGroup.FOCUS_BEFORE_DESCENDANTS); } @Override public boolean onTouchEvent(MotionEvent event) { MadUtil.logMessage(null, Log.DEBUG, "onTouchEvent(MotionEvent event) fired"); if (currentAd != null) currentAd.handleClick(); return true; } private void refreshView() { setBackgroundDrawable(initialBackground); if (currentAd != null) { if (currentAd.hasBanner() && !deliverOnlyText) { showStaticBannerView(); } else { showTextBannerView(); } notifyListener(true); } else { removeAllViews(); notifyListener(false); } } private void showStaticBannerView() { MadUtil.logMessage(null, Log.DEBUG, "Add static banner"); Bitmap bannerBitmap = BitmapFactory.decodeByteArray(currentAd.getImageByteArray(), 0, currentAd.getImageByteArray().length); StaticBannerView staticBannerView = new StaticBannerView(getContext(), bannerBitmap); removeAllViews(); addView(staticBannerView); } private void showTextBannerView() { MadUtil.logMessage(null, Log.DEBUG, "Add text banner"); TextView textView = new TextView(getContext()); textView.setGravity(Gravity.CENTER); textView.setText(currentAd.getText()); textView.setTextSize(textSize); textView.setTextColor(textColor); textView.setTypeface(Typeface.DEFAULT_BOLD); setBackgroundDrawable(textBannerBackground); removeAllViews(); addView(textView); } /** * Convenience method to notify the callback listener * @param succeed */ private void notifyListener(boolean succeed) { if (callbackListener != null) { callbackListener.onLoaded(succeed, this); } else { MadUtil.logMessage(null, Log.DEBUG, "Callback Listener not set"); } } /** * Set the visibility state of this view. * * @param visibility - set the visibility with <code>VISIBLE</code>, <code>INVISIBLE</code> or <code>GONE</code>. */ @Override public void setVisibility(int visibility) { int originVisibility = super.getVisibility(); if (originVisibility != visibility) { synchronized (this) { int childViewCounter = getChildCount(); for (int i = 0; i < childViewCounter; i++) { View child = getChildAt(i); child.setVisibility(visibility); } super.setVisibility(visibility); } } } /** * Reads all parameters, not needed for a request to the ad server (colors, * refresh timeout, ...) * * @param attrs * attribute set for the view */ private void initParameters(AttributeSet attrs) { if (attrs != null) { String packageName = "http://schemas.android.com/apk/res/" + getContext().getPackageName(); if (packageName != null) { MadUtil.logMessage(null, Log.DEBUG, "namespace = " + packageName); } testMode = attrs.getAttributeBooleanValue(packageName, "isTestMode", IS_TESTMODE_DEFAULT); textColor = attrs.getAttributeIntValue(packageName, "textColor", MadUtil.TEXT_COLOR_DEFAULT); backgroundColor = attrs.getAttributeIntValue(packageName, "backgroundColor", MadUtil.BACKGROUND_COLOR_DEFAULT); secondsToRefreshAd = attrs.getAttributeIntValue(packageName, "secondsToRefresh", MadUtil.SECONDS_TO_REFRESH_AD_DEFAULT); bannerType = attrs.getAttributeValue(packageName, "bannerType"); if (bannerType == null) bannerType = MadUtil.BANNER_TYPE_DEFAULT; deliverOnlyText = attrs.getAttributeBooleanValue(packageName, "deliverOnlyText", MadUtil.DELIVER_ONLY_TEXT_DEFAULT); textSize = attrs.getAttributeIntValue(packageName, "textSize", MadUtil.TEXT_SIZE_DEFAULT); } else { MadUtil.logMessage(null, Log.DEBUG, "AttributeSet is null!"); } if (secondsToRefreshAd != 0 && secondsToRefreshAd < 60) secondsToRefreshAd = MadUtil.SECONDS_TO_REFRESH_AD_DEFAULT; if (bannerType.equals("iab")) bannerHeight = MadUtil.IAB_BANNER_HEIGHT_DEFAULT; MadUtil.logMessage(null, Log.DEBUG, "Using following attributes values:"); MadUtil.logMessage(null, Log.DEBUG, " testMode = " + testMode); MadUtil.logMessage(null, Log.DEBUG, " textColor = " + textColor); MadUtil.logMessage(null, Log.DEBUG, " backgroundColor = " + backgroundColor); MadUtil.logMessage(null, Log.DEBUG, " secondsToRefreshAd = " + secondsToRefreshAd); MadUtil.logMessage(null, Log.DEBUG, " bannerType = " + bannerType); MadUtil.logMessage(null, Log.DEBUG, " deliverOnlyText = " + deliverOnlyText); MadUtil.logMessage(null, Log.DEBUG, " textSize = " + textSize); MadUtil.logMessage(null, Log.DEBUG, " bannerHeight = " + bannerHeight); } /** * Starts a background thread to fetch a new ad. Method is called * from the refresh timer task */ private void requestNewAd() { MadUtil.logMessage(null, Log.DEBUG, "Trying to fetch a new ad"); // exit if already requesting a new ad, not used yet if (runningRefreshAd) { MadUtil.logMessage(null, Log.DEBUG, "Another request is still in progress ..."); return; } new Thread() { public void run() { // read all parameters, that we need for the request // get site token from manifest xml file String siteToken = MadUtil.getToken(getContext()); if (siteToken == null) { siteToken = ""; MadUtil.logMessage(null, Log.DEBUG, "Cannot show ads, since the appID ist null"); } else { MadUtil.logMessage(null, Log.DEBUG, "appID = " + siteToken); } // get uid (does not work in emulator) String uid = Secure.getString(getContext().getContentResolver(), Secure.ANDROID_ID); if (uid == null) { uid = ""; } else { uid = getMD5Hash(uid); } MadUtil.logMessage(null, Log.DEBUG, "uid = " + uid); // get display metrics Display display = ((WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay(); int displayHeight = display.getHeight(); int displayWidth = display.getWidth(); MadUtil.logMessage(null, Log.DEBUG, "Display height = " + Integer.toString(displayHeight)); MadUtil.logMessage(null, Log.DEBUG, "Display width = " + Integer.toString(displayWidth)); // create post request HttpPost postRequest = new HttpPost(MadUtil.MAD_SERVER + "/site/" + siteToken); postRequest.setHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8"); List<NameValuePair> parameterList = new ArrayList<NameValuePair>(); parameterList.add(new BasicNameValuePair("ua" , MadUtil.getUA())); parameterList.add(new BasicNameValuePair("app", "true")); parameterList.add(new BasicNameValuePair("debug", Boolean.toString(testMode))); parameterList.add(new BasicNameValuePair("ip", MadUtil.getLocalIpAddress())); parameterList.add(new BasicNameValuePair("format", "json")); parameterList.add(new BasicNameValuePair("requester", "android_sdk")); parameterList.add(new BasicNameValuePair("version", "1.1")); parameterList.add(new BasicNameValuePair("uid", uid)); parameterList.add(new BasicNameValuePair("banner_type", bannerType)); parameterList.add(new BasicNameValuePair("deliver_only_text", Boolean.toString(deliverOnlyText))); MadUtil.refreshCoordinates(getContext()); if (MadUtil.getLocation() != null) { parameterList.add(new BasicNameValuePair("lat", Double.toString(MadUtil.getLocation().getLatitude()))); parameterList.add(new BasicNameValuePair("lng", Double.toString(MadUtil.getLocation().getLongitude()))); } UrlEncodedFormEntity urlEncodedEntity = null; try { urlEncodedEntity = new UrlEncodedFormEntity(parameterList); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } postRequest.setEntity(urlEncodedEntity); MadUtil.logMessage(null, Log.DEBUG, "Post request created"); MadUtil.logMessage(null, Log.DEBUG, "Uri : " + postRequest.getURI().toASCIIString()); MadUtil.logMessage(null, Log.DEBUG, "All headers : " + MadUtil.getAllHeadersAsString(postRequest.getAllHeaders())); MadUtil.logMessage(null, Log.DEBUG, "All request parameters :" + MadUtil.printRequestParameters(parameterList)); synchronized (this) { // send blocking request to ad server HttpClient httpClient = new DefaultHttpClient(); HttpResponse httpResponse = null; InputStream inputStream = null; boolean jsonFetched = false; JSONObject json = null; try { HttpParams clientParams = httpClient.getParams(); HttpConnectionParams.setConnectionTimeout(clientParams, MadUtil.CONNECTION_TIMEOUT.intValue()); HttpConnectionParams.setSoTimeout(clientParams, MadUtil.CONNECTION_TIMEOUT.intValue()); MadUtil.logMessage(null, Log.DEBUG, "Sending request"); httpResponse = httpClient.execute(postRequest); MadUtil.logMessage(null, Log.DEBUG, "Response Code => " + httpResponse.getStatusLine().getStatusCode()); if (testMode) MadUtil.logMessage(null, Log.DEBUG, "Madvertise Debug Response: " + httpResponse.getLastHeader("X-Madvertise-Debug")); int responseCode = httpResponse.getStatusLine().getStatusCode(); HttpEntity entity = httpResponse.getEntity(); if (responseCode == 200 && entity != null) { inputStream = entity.getContent(); String resultString = MadUtil.convertStreamToString(inputStream); MadUtil.logMessage(null, Log.DEBUG, "Response => " + resultString); json = new JSONObject(resultString); jsonFetched = true; } } catch (ClientProtocolException e) { e.printStackTrace(); MadUtil.logMessage(null, Log.DEBUG, "Error in HTTP request / protocol"); } catch (IOException e) { e.printStackTrace(); MadUtil.logMessage(null, Log.DEBUG, "Could not receive a http response on an ad reqeust"); } catch (JSONException e) { e.printStackTrace(); MadUtil.logMessage(null, Log.DEBUG, "Could not parse json object"); } finally { if (inputStream != null) try { inputStream.close(); } catch (IOException e) { } } // create ad, this is a blocking call if (jsonFetched) { currentAd = new Ad(getContext(), json); } } mHandler.post(mUpdateResults); } }.start(); } // used for execution in the ui main thread private final Runnable mUpdateResults = new Runnable() { public void run() { refreshView(); } }; @Override public void onWindowFocusChanged(boolean hasWindowFocus) { MadUtil.logMessage(null, Log.DEBUG, "#### onWindowFocusChanged fired ####"); refreshAdTimer(hasWindowFocus); super.onWindowFocusChanged(hasWindowFocus); } @Override protected void onAttachedToWindow() { MadUtil.logMessage(null, Log.DEBUG, "#### onAttachedToWindow fired ####"); refreshAdTimer(true); super.onAttachedToWindow(); } @Override protected void onDetachedFromWindow() { MadUtil.logMessage(null, Log.DEBUG, "#### onDetachedFromWindow fired ####"); refreshAdTimer(false); super.onDetachedFromWindow(); } /** * Convenicence method for a shiny background for text ads * * @param rect * @param backgroundColor * @param textColor * @return */ private BitmapDrawable generateBackgroundDrawable(Rect rect, int backgroundColor, int shineColor) { try { Bitmap bitmap = Bitmap.createBitmap(rect.width(), rect.height(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); drawTextBannerBackground(canvas, rect, backgroundColor, shineColor); return new BitmapDrawable(bitmap); } catch (Throwable t) { return null; } } /** * Draw the ad background for a text banner * * @param canvas * @param rectangle * @param backgroundColor * @param textColor */ private void drawTextBannerBackground(Canvas canvas, Rect rectangle, int backgroundColor, int shineColor) { Paint paint = new Paint(); paint.setColor(backgroundColor); paint.setAntiAlias(true); canvas.drawRect(rectangle, paint); int upperColor = Color.argb(GRADIENT_TOP_ALPHA, Color.red(shineColor), Color.green(shineColor), Color.blue(shineColor)); int[] gradientColors = { upperColor, shineColor }; GradientDrawable gradientDrawable = new GradientDrawable(GradientDrawable.Orientation.TOP_BOTTOM, gradientColors); int stop = (int) (rectangle.height() * GRADIENT_STOP) + rectangle.top; gradientDrawable.setBounds(rectangle.left, rectangle.top, rectangle.right, stop); gradientDrawable.draw(canvas); Rect shadowRect = new Rect(rectangle.left, stop, rectangle.right, rectangle.bottom); Paint shadowPaint = new Paint(); shadowPaint.setColor(shineColor); canvas.drawRect(shadowRect, shadowPaint); } /** * Handles the refresh timer * @param starting */ private void refreshAdTimer(boolean starting) { synchronized (this) { if (starting) { if (adTimer == null) { adTimer = new Timer(); adTimer.schedule(new TimerTask() { public void run() { MadUtil.logMessage(null, Log.DEBUG, "Refreshing ad ..."); requestNewAd(); } }, (long) 0, (long) secondsToRefreshAd * 1000); } } else { if (adTimer != null) { MadUtil.logMessage(null, Log.DEBUG, "Stopping refresh timer ..."); adTimer.cancel(); adTimer = null; } } } } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(widthMeasureSpec, heightMeasureSpec); int width = getMeasuredWidth(); setMeasuredDimension(width, bannerHeight); } /** * Returns the MD5 hash for a string. * * @param input * @return md5 hash */ private String getMD5Hash(String input) { MessageDigest messageDigest = null; try { messageDigest = MessageDigest.getInstance("MD5"); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); MadUtil.logMessage(null, Log.DEBUG, "Could not create hash value"); return ""; } messageDigest.update(input.getBytes()); String temp = null; byte[] digest = messageDigest.digest(); StringBuffer hexString = new StringBuffer(); for (int i = 0; i < digest.length; i++) { temp = Integer.toHexString(0xFF & digest[i]); if (temp.length() < 2) { temp = "0" + temp; } hexString.append(temp); } return hexString.toString(); } /** * Removes the current listener that receives notifications about the ad loading process */ public void removeMadViewCallbackListener() { callbackListener = null; } /** * Returns the current listener that receives notifications about the ad loading process * * @return */ public MadViewCallbackListener getCallbackListener() { return callbackListener; } /** * Sets a listener that receives notifications about the ad loading process * @param listener */ public void setMadViewCallbackListener(MadViewCallbackListener listener) { callbackListener = listener; } /** * Interface to receive a callback, if the ad loading was successful or not */ public interface MadViewCallbackListener { /** * Notifies the listener on success or failure * * @param succeed * true, if an ad could be loading, else false * @param madView * specified view */ public void onLoaded(boolean succeed, MadView madView); } }