├── .gitignore ├── LICENSE ├── README.md ├── build.gradle ├── proguard-rules.pro ├── spcache.iml └── src ├── androidTest └── java │ └── com │ └── imooc │ └── spcache │ └── ApplicationTest.java └── main ├── AndroidManifest.xml ├── java └── com │ ├── imooc │ └── spcache │ │ ├── MainActivity.java │ │ └── SpCacheApplication.java │ └── zhy │ └── cache │ └── SpCache.java └── res ├── layout └── activity_main.xml ├── menu └── menu_main.xml ├── mipmap-hdpi └── ic_launcher.png ├── mipmap-mdpi └── ic_launcher.png ├── mipmap-xhdpi └── ic_launcher.png ├── mipmap-xxhdpi └── ic_launcher.png ├── values-w820dp └── dimens.xml └── values ├── dimens.xml ├── strings.xml └── styles.xml /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # Files for the Dalvik VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # Generated files 12 | bin/ 13 | gen/ 14 | 15 | # Gradle files 16 | .gradle/ 17 | build/ 18 | /*/build/ 19 | 20 | # Local configuration file (sdk path, etc) 21 | local.properties 22 | 23 | # Proguard folder generated by Eclipse 24 | proguard/ 25 | 26 | # Log Files 27 | *.log 28 | 29 | # OS generated files 30 | .DS_Store 31 | .DS_Store? 32 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | 203 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # SpCache 2 | A cache lib for SharedPreferences . 3 | 4 | 5 | # Usage 6 | 7 | When app start , init it . 8 | 9 | ```java 10 | public class SpCacheApplication extends Application 11 | { 12 | @Override 13 | public void onCreate() 14 | { 15 | super.onCreate(); 16 | SpCache.init(this); 17 | } 18 | } 19 | 20 | ``` 21 | 22 | 23 | Then , you can use freely ~~ 24 | 25 | *use SpCache.putXXX() and SpCache.getXXX()* 26 | 27 | ```java 28 | SpCache.getInt(ACTIVITY_CREATE_COUNT, 0); 29 | SpCache.putInt(ACTIVITY_CREATE_COUNT, 1); 30 | 31 | ``` -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 22 5 | buildToolsVersion "22.0.1" 6 | defaultConfig { 7 | applicationId 'com.zhy.spcache' 8 | minSdkVersion 10 9 | targetSdkVersion 22 10 | versionCode 1 11 | versionName "1.0" 12 | } 13 | buildTypes { 14 | release { 15 | minifyEnabled false 16 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 17 | } 18 | } 19 | productFlavors { 20 | } 21 | } 22 | 23 | dependencies { 24 | compile fileTree(dir: 'libs', include: ['*.jar']) 25 | compile 'com.android.support:appcompat-v7:22.1.1' 26 | } 27 | -------------------------------------------------------------------------------- /proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /Users/zhy/android/sdk/android-sdk-macosx/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /spcache.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 8 | 9 | 10 | 11 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | -------------------------------------------------------------------------------- /src/androidTest/java/com/imooc/spcache/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package com.imooc.spcache; 2 | 3 | import android.app.Application; 4 | import android.test.ApplicationTestCase; 5 | 6 | /** 7 | * Testing Fundamentals 8 | */ 9 | public class ApplicationTest extends ApplicationTestCase 10 | { 11 | public ApplicationTest() 12 | { 13 | super(Application.class); 14 | } 15 | } -------------------------------------------------------------------------------- /src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /src/main/java/com/imooc/spcache/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.imooc.spcache; 2 | 3 | import android.os.Bundle; 4 | import android.support.v7.app.ActionBarActivity; 5 | import android.view.Menu; 6 | import android.view.MenuItem; 7 | import android.widget.TextView; 8 | 9 | import com.zhy.cache.SpCache; 10 | 11 | 12 | public class MainActivity extends ActionBarActivity 13 | { 14 | 15 | private static String ACTIVITY_CREATE_COUNT = "ACTIVITY_CREATE_COUNT"; 16 | 17 | @Override 18 | protected void onCreate(Bundle savedInstanceState) 19 | { 20 | super.onCreate(savedInstanceState); 21 | setContentView(R.layout.activity_main); 22 | 23 | int count = SpCache.getInt(ACTIVITY_CREATE_COUNT, 0) + 1; 24 | SpCache.putInt(ACTIVITY_CREATE_COUNT, count); 25 | 26 | ((TextView) findViewById(R.id.id_count)).setText("" + count); 27 | 28 | 29 | } 30 | 31 | 32 | @Override 33 | protected void onResume() 34 | { 35 | super.onResume(); 36 | 37 | } 38 | 39 | @Override 40 | public boolean onCreateOptionsMenu(Menu menu) 41 | { 42 | // Inflate the menu; this adds items to the action bar if it is present. 43 | getMenuInflater().inflate(R.menu.menu_main, menu); 44 | return true; 45 | } 46 | 47 | @Override 48 | public boolean onOptionsItemSelected(MenuItem item) 49 | { 50 | // Handle action bar item clicks here. The action bar will 51 | // automatically handle clicks on the Home/Up button, so long 52 | // as you specify a parent activity in AndroidManifest.xml. 53 | int id = item.getItemId(); 54 | 55 | //noinspection SimplifiableIfStatement 56 | if (id == R.id.action_settings) 57 | { 58 | return true; 59 | } 60 | 61 | return super.onOptionsItemSelected(item); 62 | } 63 | } 64 | -------------------------------------------------------------------------------- /src/main/java/com/imooc/spcache/SpCacheApplication.java: -------------------------------------------------------------------------------- 1 | package com.imooc.spcache; 2 | 3 | import android.app.Application; 4 | import android.util.Log; 5 | 6 | import com.zhy.cache.SpCache; 7 | 8 | /** 9 | * Created by zhy on 15/5/19. 10 | */ 11 | public class SpCacheApplication extends Application 12 | { 13 | @Override 14 | public void onCreate() 15 | { 16 | 17 | super.onCreate(); 18 | SpCache.init(this); 19 | Log.e("TAG", "SpCacheApplication oncreate"); 20 | } 21 | } 22 | -------------------------------------------------------------------------------- /src/main/java/com/zhy/cache/SpCache.java: -------------------------------------------------------------------------------- 1 | package com.zhy.cache; 2 | 3 | import android.content.Context; 4 | import android.content.SharedPreferences; 5 | import android.os.AsyncTask; 6 | import android.util.Log; 7 | 8 | import java.lang.ref.SoftReference; 9 | import java.lang.reflect.InvocationTargetException; 10 | import java.lang.reflect.Method; 11 | import java.util.concurrent.ConcurrentHashMap; 12 | import java.util.concurrent.ConcurrentMap; 13 | 14 | /** 15 | * Created by zhy on 15/5/18. 16 | */ 17 | public class SpCache 18 | { 19 | private static final String TAG = SpCache.class.getSimpleName(); 20 | private static SpCache INSTANCE; 21 | private ConcurrentMap> mCache; 22 | private String mPrefFileName = "com.zhy.spcache"; 23 | private Context mContext; 24 | 25 | private SpCache(Context context, String prefFileName) 26 | { 27 | mContext = context.getApplicationContext(); 28 | mCache = new ConcurrentHashMap>(); 29 | initDatas(prefFileName); 30 | 31 | } 32 | 33 | private void initDatas(String prefFileName) 34 | { 35 | if (null != prefFileName && prefFileName.trim().length() > 0) 36 | { 37 | mPrefFileName = prefFileName; 38 | } else 39 | { 40 | Log.d(TAG, "prefFileName is invalid , we will use default value "); 41 | } 42 | //SharedPreferences sp = mContext.getSharedPreferences(mPrefFileName, Context.MODE_PRIVATE); 43 | //Map alreadyDatas = sp.getAll(); 44 | //Set keys = alreadyDatas.keySet(); 45 | //for (String key : keys) 46 | //{ 47 | // mCache.put(key, new SoftReference(alreadyDatas.get(key))); 48 | //} 49 | } 50 | 51 | public static SpCache init(Context context, String prefFileName) 52 | { 53 | if (INSTANCE == null) 54 | { 55 | synchronized (SpCache.class) 56 | { 57 | if (INSTANCE == null) 58 | { 59 | INSTANCE = new SpCache(context, prefFileName); 60 | } 61 | } 62 | } 63 | return INSTANCE; 64 | } 65 | 66 | public static SpCache init(Context context) 67 | { 68 | return init(context, null); 69 | } 70 | 71 | private static SpCache getInstance() 72 | { 73 | if (INSTANCE == null) 74 | throw new NullPointerException("you show invoke SpCache.init() before you use it "); 75 | 76 | return INSTANCE; 77 | } 78 | 79 | 80 | //put 81 | 82 | public static SpCache putInt(String key, int val) 83 | { 84 | return getInstance().put(key, val); 85 | } 86 | 87 | public static SpCache putLong(String key, long val) 88 | { 89 | return getInstance().put(key, val); 90 | } 91 | 92 | public static SpCache putString(String key, String val) 93 | { 94 | return getInstance().put(key, val); 95 | } 96 | 97 | public static SpCache putBoolean(String key, boolean val) 98 | { 99 | return getInstance().put(key, val); 100 | } 101 | 102 | public static SpCache putFloat(String key, float val) 103 | { 104 | return getInstance().put(key, val); 105 | } 106 | 107 | 108 | //get 109 | public static int getInt(String key, int defaultVal) 110 | { 111 | return (int) (getInstance().get(key, defaultVal)); 112 | } 113 | 114 | public static long getLong(String key, long defaultVal) 115 | { 116 | return (long) (getInstance().get(key, defaultVal)); 117 | } 118 | 119 | public static String getString(String key, String defaultVal) 120 | { 121 | return (String) (getInstance().get(key, defaultVal)); 122 | } 123 | 124 | public static boolean getBoolean(String key, boolean defaultVal) 125 | { 126 | return (boolean) (getInstance().get(key, Boolean.class)); 127 | } 128 | 129 | public static float getFloat(String key, float defaultVal) 130 | { 131 | return (float) (getInstance().get(key, defaultVal)); 132 | } 133 | 134 | //contains 135 | public boolean contains(String key) 136 | { 137 | return mCache.get(key).get() != null ? true : getSharedPreferences().contains(key); 138 | } 139 | 140 | //remove 141 | public static SpCache remove(String key) 142 | { 143 | return INSTANCE._remove(key); 144 | } 145 | 146 | private SpCache _remove(String key) 147 | { 148 | mCache.remove(key); 149 | SharedPreferences.Editor editor = getSharedPreferences().edit(); 150 | editor.remove(key); 151 | SharedPreferencesCompat.apply(editor); 152 | return INSTANCE; 153 | } 154 | 155 | //clear 156 | public static SpCache clear() 157 | { 158 | return INSTANCE._clear(); 159 | } 160 | 161 | private SpCache _clear() 162 | { 163 | mCache.clear(); 164 | SharedPreferences.Editor editor = getSharedPreferences().edit(); 165 | editor.clear(); 166 | SharedPreferencesCompat.apply(editor); 167 | return INSTANCE; 168 | } 169 | 170 | private SpCache put(String key, T t) 171 | { 172 | mCache.put(key, new SoftReference(t)); 173 | SharedPreferences.Editor editor = getSharedPreferences().edit(); 174 | if (t instanceof String) 175 | { 176 | editor.putString(key, (String) t); 177 | } else if (t instanceof Integer) 178 | { 179 | editor.putInt(key, (Integer) t); 180 | } else if (t instanceof Boolean) 181 | { 182 | editor.putBoolean(key, (Boolean) t); 183 | } else if (t instanceof Float) 184 | { 185 | editor.putFloat(key, (Float) t); 186 | } else if (t instanceof Long) 187 | { 188 | editor.putLong(key, (Long) t); 189 | } else 190 | { 191 | Log.d(TAG, "you may be put a invalid object :" + t); 192 | editor.putString(key, t.toString()); 193 | } 194 | 195 | SharedPreferencesCompat.apply(editor); 196 | return INSTANCE; 197 | } 198 | 199 | 200 | private Object readDisk(String key, Object defaultObject) 201 | { 202 | Log.e("TAG", "readDisk"); 203 | SharedPreferences sp = getSharedPreferences(); 204 | 205 | if (defaultObject instanceof String) 206 | { 207 | return sp.getString(key, (String) defaultObject); 208 | } else if (defaultObject instanceof Integer) 209 | { 210 | return sp.getInt(key, (Integer) defaultObject); 211 | } else if (defaultObject instanceof Boolean) 212 | { 213 | return sp.getBoolean(key, (Boolean) defaultObject); 214 | } else if (defaultObject instanceof Float) 215 | { 216 | return sp.getFloat(key, (Float) defaultObject); 217 | } else if (defaultObject instanceof Long) 218 | { 219 | return sp.getLong(key, (Long) defaultObject); 220 | } 221 | Log.e(TAG, "you can not read object , which class is " + defaultObject.getClass().getSimpleName()); 222 | return null; 223 | 224 | } 225 | 226 | private Object get(String key, Object defaultVal) 227 | { 228 | SoftReference reference = mCache.get(key); 229 | Object val = null; 230 | if (null == reference || null == reference.get()) 231 | { 232 | val = readDisk(key, defaultVal); 233 | mCache.put(key, new SoftReference(val)); 234 | } 235 | val = mCache.get(key).get(); 236 | return val; 237 | } 238 | 239 | 240 | /** 241 | * 创建一个解决SharedPreferencesCompat.apply方法的一个兼容类 242 | * 243 | * @author zhy 244 | */ 245 | private static class SharedPreferencesCompat 246 | { 247 | private static final Method sApplyMethod = findApplyMethod(); 248 | 249 | /** 250 | * 反射查找apply的方法 251 | * 252 | * @return 253 | */ 254 | @SuppressWarnings({"unchecked", "rawtypes"}) 255 | private static Method findApplyMethod() 256 | { 257 | try 258 | { 259 | Class clz = SharedPreferences.Editor.class; 260 | return clz.getMethod("apply"); 261 | } catch (NoSuchMethodException e) 262 | { 263 | } 264 | 265 | return null; 266 | } 267 | 268 | /** 269 | * 如果找到则使用apply执行，否则使用commit 270 | * 271 | * @param editor 272 | */ 273 | public static void apply(final SharedPreferences.Editor editor) 274 | { 275 | try 276 | { 277 | if (sApplyMethod != null) 278 | { 279 | sApplyMethod.invoke(editor); 280 | return; 281 | } 282 | } catch (IllegalArgumentException e) 283 | { 284 | } catch (IllegalAccessException e) 285 | { 286 | } catch (InvocationTargetException e) 287 | { 288 | } 289 | 290 | new AsyncTask() 291 | { 292 | 293 | @Override 294 | protected Void doInBackground(Void... params) 295 | { 296 | editor.commit(); 297 | return null; 298 | } 299 | }; 300 | } 301 | } 302 | 303 | 304 | private SharedPreferences getSharedPreferences() 305 | { 306 | return mContext.getSharedPreferences(mPrefFileName, Context.MODE_PRIVATE); 307 | } 308 | 309 | 310 | } 311 | -------------------------------------------------------------------------------- /src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 10 | 11 | 16 | 17 | 18 | -------------------------------------------------------------------------------- /src/main/res/menu/menu_main.xml: -------------------------------------------------------------------------------- 1 | 5 | 9 | 10 | -------------------------------------------------------------------------------- /src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/hongyangAndroid/SpCache/a78cbc0e04a39ed8a11188df5c87b50d6050457c/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/hongyangAndroid/SpCache/a78cbc0e04a39ed8a11188df5c87b50d6050457c/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/hongyangAndroid/SpCache/a78cbc0e04a39ed8a11188df5c87b50d6050457c/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/hongyangAndroid/SpCache/a78cbc0e04a39ed8a11188df5c87b50d6050457c/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | -------------------------------------------------------------------------------- /src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | SpCache 3 | 4 | Hello world! 5 | Settings 6 | 7 | -------------------------------------------------------------------------------- /src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | 8 | 9 | --------------------------------------------------------------------------------