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Aggiunta classe DrawableManager per caching e multithreading immagini
aggiunto layout question responsive (Tablet ecc) con relativa action bar Sistemati i guai di qualcuno sulla score page :)
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app/src/main/java/com/example/raffaele/testapp/DrawableManager.java
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| package com.example.raffaele.testapp; | ||
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| /** | ||
| * Created by Raffaele on 05/04/2015. | ||
| * This is a rewrite of android-drawable-manager library provided under MIT licence,so this is provided under MIT licence | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| * THE SOFTWARE. | ||
| * Questa classe implementa la gestione del download delle immagini in thread indipendenti. | ||
| * E' stata estesa per permettere di gestire non solo le imageview ma anche bottoni e imagebutton | ||
| * E' stato inoltre sistemato l'algoritmo di caching in memoria delle immagini usante il SoftReference | ||
| */ | ||
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| import java.io.IOException; | ||
| import java.lang.ref.SoftReference; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import org.apache.http.HttpResponse; | ||
| import org.apache.http.client.HttpClient; | ||
| import org.apache.http.client.methods.HttpGet; | ||
| import org.apache.http.conn.BasicManagedEntity; | ||
| import org.apache.http.impl.client.DefaultHttpClient; | ||
| import org.apache.http.params.BasicHttpParams; | ||
| import org.apache.http.params.HttpConnectionParams; | ||
| import org.apache.http.params.HttpParams; | ||
| import android.graphics.drawable.Drawable; | ||
| import android.os.Build; | ||
| import android.os.Handler; | ||
| import android.os.Message; | ||
| import android.util.Log; | ||
| import android.widget.Button; | ||
| import android.widget.ImageButton; | ||
| import android.widget.ImageView; | ||
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| public class DrawableManager { | ||
| private static final String LOG_TAG = "DrawableManager"; | ||
| protected final Map<String, SoftReference<Drawable>> drawableMap; | ||
| protected static DrawableManager _instance; | ||
| public static DrawableManager getInstance(){ | ||
| if(_instance == null) _instance = new DrawableManager(); | ||
| return _instance; | ||
| } | ||
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| private void setByObject(Drawable drawable,Object view){ //setta il drawable al seconda del tipo e delle api. | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { | ||
| if (view instanceof Button) { | ||
| ((Button) view).setBackground(drawable); | ||
| return; | ||
| } | ||
| if (view instanceof ImageButton) { | ||
| ((ImageButton) view).setBackground(drawable); | ||
| return; | ||
| } | ||
| } | ||
| else { | ||
| if (view instanceof Button) { | ||
| ((Button) view).setBackgroundDrawable(drawable); | ||
| return; | ||
| } | ||
| if (view instanceof ImageButton) { | ||
| ((ImageButton) view).setBackgroundDrawable(drawable); | ||
| return; | ||
| } | ||
| } | ||
| if(view instanceof ImageView){ | ||
| ((ImageView)view).setImageDrawable(drawable); | ||
| return; | ||
| } | ||
| return; | ||
| } | ||
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| protected DrawableManager() { | ||
| drawableMap = new HashMap<String, SoftReference<Drawable>>(); | ||
| } | ||
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| public void setDrawable(final String urlString, final Object view){ | ||
| if(drawableMap.containsKey(urlString)){ //se l'oggetto è in cache ed è valido lo setto altrimenti rimuovo l'url | ||
| Drawable drawable = drawableMap.get(urlString).get(); | ||
| if(drawable != null){ | ||
| setByObject(drawable,view); | ||
| Log.i(LOG_TAG,"Image Cached"); | ||
| return; | ||
| } | ||
| else drawableMap.remove(urlString); | ||
| } | ||
| final HttpClient httpClient = new DefaultHttpClient(); //instanzio httpclient | ||
| final Handler handler = new Handler() { | ||
| public void handleMessage(Message msg) { | ||
| if(msg.obj != null) setByObject((Drawable) msg.obj,view); | ||
| } | ||
| }; //Handler di settaggio | ||
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| final Thread thread = new Thread(){ | ||
| // final int id = millis; | ||
| // final HttpClient client = httpClient; | ||
| @Override | ||
| public void run() { //dichiaro il thread | ||
| Log.i(LOG_TAG, urlString); | ||
| HttpGet request = new HttpGet(urlString); //Instanzio la richiesta di Get | ||
| HttpParams params = new BasicHttpParams(); | ||
| HttpConnectionParams.setConnectionTimeout(params, 2000); | ||
| HttpConnectionParams.setSoTimeout(params, 1000); | ||
| request.setParams(params); //passo i parametri di timeout | ||
| BasicManagedEntity entity = null; | ||
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| try{ | ||
| HttpResponse response = httpClient.execute(request); //scarica l'immagine | ||
| entity = (BasicManagedEntity)response.getEntity(); | ||
| } catch (IOException e) { | ||
| handler.sendEmptyMessage(NORM_PRIORITY); //in caso di eccezione termina il thread richiamando l'handler alla priorità di default e stampa lo Stack Trace | ||
| e.printStackTrace(); | ||
| } | ||
| if(entity != null){ | ||
| Drawable drawable = null; | ||
| try { | ||
| drawable = Drawable.createFromStream(entity.getContent(), "www"); | ||
| drawableMap.put(urlString,new SoftReference(drawable)); | ||
| } catch (IOException e) { | ||
| handler.sendEmptyMessage(NORM_PRIORITY); | ||
| e.printStackTrace(); | ||
| } | ||
| if(drawable == null){ | ||
| handler.sendEmptyMessage(NORM_PRIORITY); | ||
| } | ||
| else{ | ||
| handler.sendMessage(handler.obtainMessage(NORM_PRIORITY,drawable)); | ||
| } | ||
| } | ||
| else{ | ||
| handler.sendEmptyMessage(NORM_PRIORITY); | ||
| } | ||
| } | ||
| }; | ||
| thread.start(); //fa partire il thread | ||
| } | ||
|
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| } |
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| <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" | ||
| xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" | ||
| android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin" | ||
| android:paddingRight="@dimen/activity_horizontal_margin" | ||
| android:paddingTop="@dimen/activity_vertical_margin" | ||
| android:paddingBottom="@dimen/activity_vertical_margin" | ||
| tools:context="com.example.raffaele.testapp.Question" | ||
| android:id="@+id/textbox1" | ||
| android:onClick="Score_click" | ||
| android:nestedScrollingEnabled="false"> | ||
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| <LinearLayout | ||
| android:orientation="vertical" | ||
| android:layout_width="fill_parent" | ||
| android:layout_height="fill_parent"> | ||
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| <TextView | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="60dp" | ||
| android:textAppearance="?android:attr/textAppearanceLarge" | ||
| android:text="QuestionText" | ||
| android:id="@+id/domanda" | ||
| android:layout_alignParentTop="true" | ||
| android:layout_alignParentLeft="true" | ||
| android:layout_alignParentStart="true" | ||
| android:textSize="25dp" /> | ||
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| <TextView | ||
| android:layout_width="wrap_content" | ||
| android:layout_height="wrap_content" | ||
| android:textAppearance="?android:attr/textAppearanceLarge" | ||
| android:text="Do you want to repeat this topic?Click here!" | ||
| android:id="@+id/textView3" | ||
| android:textSize="15dp" | ||
| android:visibility="invisible" | ||
| android:layout_centerVertical="true" | ||
| android:layout_alignParentLeft="true" | ||
| android:layout_alignParentStart="true" | ||
| android:height="25dp" /> | ||
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| <RelativeLayout | ||
| android:layout_width="fill_parent" | ||
| android:layout_height="fill_parent"> | ||
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| <Button | ||
| android:layout_width="80dp" | ||
| android:layout_height="80dp" | ||
| android:id="@+id/Risposta1" | ||
| android:onClick="onClick1" | ||
| android:text=" " | ||
| android:textSize="35dp" | ||
| android:layout_alignParentTop="true" | ||
| android:layout_alignParentLeft="true" | ||
| android:layout_alignParentStart="true" /> | ||
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| <Button | ||
| android:layout_width="80dp" | ||
| android:layout_height="80dp" | ||
| android:id="@+id/Risposta2" | ||
| android:onClick="onClick1" | ||
| android:text=" " | ||
| android:layout_gravity="right" | ||
| android:textSize="35dp" | ||
| android:layout_alignParentTop="true" | ||
| android:layout_alignParentRight="true" | ||
| android:layout_alignParentEnd="true" /> | ||
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| <Button | ||
| android:layout_width="80dp" | ||
| android:layout_height="80dp" | ||
| android:id="@+id/Risposta3" | ||
| android:onClick="onClick1" | ||
| android:text=" " | ||
| android:layout_gravity="left|bottom" | ||
| android:textSize="35dp" | ||
| android:layout_alignParentBottom="true" | ||
| android:layout_alignParentLeft="true" | ||
| android:layout_alignParentStart="true" /> | ||
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| <Button | ||
| android:layout_width="80dp" | ||
| android:layout_height="80dp" | ||
| android:id="@+id/Risposta4" | ||
| android:onClick="onClick1" | ||
| android:text=" " | ||
| android:layout_gravity="right|bottom" | ||
| android:textSize="35dp" | ||
| android:layout_alignParentBottom="true" | ||
| android:layout_alignParentRight="true" | ||
| android:layout_alignParentEnd="true" /> | ||
| </RelativeLayout> | ||
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| </LinearLayout> | ||
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| </RelativeLayout> | ||
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