Problem mit outofmemory Fix mit MemoryCaching. Nur wie ?

1package de.uulm.quartett;
2
3import android.app.ActivityOptions;
4import android.content.Intent;
5import android.content.res.Resources;
6import android.graphics.Bitmap;
7import android.graphics.BitmapFactory;
8import android.os.AsyncTask;
9import android.os.Bundle;
10import android.support.v4.app.FragmentActivity;
11import android.support.v4.util.LruCache;
12import android.support.v4.view.ViewPager;
13import android.util.Log;
14import android.view.View;
15import android.view.View.OnClickListener;
16import android.view.animation.Animation;
17import android.view.animation.AnimationUtils;
18import android.widget.ImageButton;
19import android.widget.ImageView;
20import android.widget.Toast;
21
22public class MainActivity extends FragmentActivity {
23 Animation animTranslate;
24 private GameSelectPagerAdapter mAdapter;
25 private ViewPager modes;
26 private LruCache<String, Bitmap> mMemoryCache;
27
28 ImageButton btn_startGame, btn_highScore, btn_decks, btn_profile, btn_info;
29
30 @Override
31 protected void onCreate(Bundle savedInstanceState) {
32 super.onCreate(savedInstanceState);
33 setContentView(R.layout.activity_main);
34
35 final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
36 Log.e("MAXMEMORY ", "" + maxMemory);
37
38 final int cacheSize = maxMemory / 8;
39
40 mMemoryCache = new LruCache<String, Bitmap>(cacheSize) {
41 @Override
42 protected int sizeOf(String key, Bitmap bitmap) {
43 // The cache size will be measured in kilobytes rather than
44 // number of items.
45 return bitmap.getByteCount() / 1024;
46 }
47 };
48
49 btn_startGame = (ImageButton) findViewById(R.id.imgBtnStartGame);
50 btn_highScore = (ImageButton) findViewById(R.id.imgBtnHighScore);
51 btn_decks = (ImageButton) findViewById(R.id.imgBtnDecks);
52 btn_profile = (ImageButton) findViewById(R.id.imgBtnProfile);
53 btn_info = (ImageButton) findViewById(R.id.imgBtn_info);
54
55 loadBitmap(R.drawable.slice_btn_new_game, btn_startGame);
56 loadBitmap(R.drawable.slice_btn_highscore, btn_highScore);
57 loadBitmap(R.drawable.slice_btn_decks, btn_decks);
58 loadBitmap(R.drawable.slice_btn_profil, btn_profile);
59
60 animTranslate = AnimationUtils.loadAnimation(this,
61 R.anim.anim_translate);
62 btn_startGame.setAnimation(animTranslate);
63 btn_startGame.setOnClickListener(new OnClickListener() {
64 @Override
65 public void onClick(View v) {
66 setContentView(R.layout.fragmentlayout);
67 mAdapter = new GameSelectPagerAdapter(
68 getSupportFragmentManager());
69 modes = (ViewPager) findViewById(R.id.pager);
70 modes.setAdapter(mAdapter);
71 }
72 });
73
74 btn_highScore.setAnimation(animTranslate);
75 btn_highScore.setOnClickListener(new OnClickListener() {
76 @Override
77 public void onClick(View v) {
78 // TODO Auto-generated method stub
79 Intent intent = new Intent(getApplicationContext(),
80 HighscoreActivity.class);
81 Bundle animation = ActivityOptions.makeCustomAnimation(
82 getApplicationContext(), R.anim.right_in,
83 R.anim.left_out).toBundle();
84 startActivity(intent, animation);
85 }
86 });
87
88 btn_decks.setAnimation(animTranslate);
89 btn_decks.setOnClickListener(new OnClickListener() {
90
91 @Override
92 public void onClick(View v) {
93 // TODO Auto-generated method stub
94 Intent intent = new Intent(getApplicationContext(),
95 DeckDetailActivity.class);
96 Bundle animation = ActivityOptions.makeCustomAnimation(
97 getApplicationContext(), R.anim.right_in,
98 R.anim.left_out).toBundle();
99 startActivity(intent, animation);
100 }
101 });
102
103 btn_profile.setAnimation(animTranslate);
104 btn_profile.setOnClickListener(new OnClickListener() {
105
106 @Override
107 public void onClick(View v) {
108 // TODO Auto-generated method stub
109 Intent intent = new Intent(getApplicationContext(),
110 ProfileActivity.class);
111 Bundle animation = ActivityOptions.makeCustomAnimation(
112 getApplicationContext(), R.anim.right_in,
113 R.anim.left_out).toBundle();
114 startActivity(intent, animation);
115 }
116 });
117
118 btn_info.setOnClickListener(new OnClickListener() {
119
120 @Override
121 public void onClick(View v) {
122 // TODO Auto-generated method stub
123 Toast.makeText(getApplicationContext(), "Infos folgen!",
124 Toast.LENGTH_LONG).show();
125 }
126 });
127 }
128
129 public void addBitmapToMemoryCache(String key, Bitmap bitmap) {
130 if (getBitmapFromMemCache(key) == null) {
131 mMemoryCache.put(key, bitmap);
132 }
133 }
134
135 public Bitmap getBitmapFromMemCache(String key) {
136 return mMemoryCache.get(key);
137 }
138
139 public void loadBitmap(int resId, ImageView imageView) {
140 Log.e("STRING RES ID", "" + String.valueOf(resId));
141 final String imageKey = String.valueOf(resId);
142
143 final Bitmap bitmap = getBitmapFromMemCache(imageKey);
144 if (bitmap != null) {
145 imageView.setImageBitmap(bitmap);
146 } else {
147 imageView.setImageResource(R.drawable.slice_info);
148 BitmapWorkerTask task = new BitmapWorkerTask();
149 try {
150 imageView.setImageBitmap(task.execute(resId).get()); // Das hier
151 } catch (InterruptedException e) {
152 Log.e("InterruptedE", e.toString());
153 } catch (ExecutionException e) {
154 Log.e("Execution", e.toString());
155 }
156 }
157 }
158
159 class BitmapWorkerTask extends AsyncTask<Integer, Void, Bitmap> {
160 @Override
161 protected Bitmap doInBackground(Integer... params) {
162 final Bitmap bitmap = BitmapFactory.decodeResource(getResources(),
163 params[0]);
164 addBitmapToMemoryCache(String.valueOf(params[0]), bitmap);
165 return bitmap;
166 }
167 }
168}