增加EasyShardPreferences工具方类方法，冰修改示例

Author: Vicent9920

app/src/main/java/com/haoge/sample/easyandroid/activities/EasySharedPreferencesActivity.kt

@@ -5,6 +5,7 @@ import butterknife.OnClick
 import com.haoge.easyandroid.easy.*
 import com.haoge.sample.easyandroid.BaseActivity
 import com.haoge.sample.easyandroid.R
+import kotlin.reflect.KProperty
 
 /**
  * @author haoge on 2018/6/26
@@ -48,5 +49,15 @@ class Entity:PreferenceSupport() {
     var mLong:Long = 0L
     var mStr:String = ""
     @PreferenceIgnore
-    var ignore:String = "This is ignore text"
-}
+    var password:String by EncryptTool()
+}
+
+class EncryptTool{
+    operator fun getValue(thisRef: Any?, property: KProperty<*>): String {
+        return "这是一个解密后的密码"
+    }
+
+    operator fun setValue(thisRef: Any?, property: KProperty<*>, value: String) {
+        println("这里对密码进行了加密")
+    }
+}

utils/src/main/java/com/haoge/easyandroid/easy/EasySharedPreferences.kt

@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+@file:Suppress("unused")
 package com.haoge.easyandroid.easy
 
 import android.content.Context
@@ -234,6 +235,18 @@ class EasySharedPreferences(clazz: Class<*>):SharedPreferences.OnSharedPreferenc
             }
         }
 
+        @JvmStatic
+        fun <E>getSPValue(key: String, default: E):E{
+            val result:E by PreferenceUtil(key, default)
+            return result
+        }
+
+        @JvmStatic
+        fun <E>putSPValue(key: String, value: E){
+            var old:E by PreferenceUtil(key, value)
+            old = value
+        }
+
         internal fun find(clazz: Class<*>):EasySharedPreferences {
             return container[clazz]?:throw RuntimeException("Could not find EasySharedPreferences by this clazz:[${clazz.canonicalName}]")
         }
@@ -257,5 +270,5 @@ abstract class PreferenceSupport {
 annotation class PreferenceRename(val value:String = "")
 
 @Retention(AnnotationRetention.RUNTIME)
-@Target(AnnotationTarget.FIELD)
+@Target(AnnotationTarget.FIELD, AnnotationTarget.PROPERTY)
 annotation class PreferenceIgnore

utils/src/main/java/com/haoge/easyandroid/easy/PreferenceUtil.kt

@@ -0,0 +1,46 @@
+package com.haoge.easyandroid.easy
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.content.SharedPreferences
+import com.haoge.easyandroid.EasyAndroid
+import kotlin.reflect.KProperty
+
+class PreferenceUtil<T>(val name: String, private val default: T) {
+
+
+    private val prefs: SharedPreferences by lazy { EasyAndroid.getApplicationContext().getSharedPreferences(name, Context.MODE_PRIVATE) }
+
+    operator fun getValue(thisRef: Any?, property: KProperty<*>): T {
+        return getSharePreferences(name, default)
+    }
+
+    operator fun setValue(thisRef: Any?, property: KProperty<*>, value: T) {
+        putSharePreferences(name, value)
+    }
+
+    @SuppressLint("CommitPrefEdits")
+    fun putSharePreferences(name: String, value: T) = with(prefs.edit()) {
+        when (value) {
+            is Long -> putLong(name, value)
+            is String -> putString(name, value)
+            is Int -> putInt(name, value)
+            is Boolean -> putBoolean(name, value)
+            is Float -> putFloat(name, value)
+            else -> throw IllegalArgumentException("This type of data cannot be saved!")
+        }.apply()
+    }
+
+    @Suppress("UNCHECKED_CAST")
+    fun getSharePreferences(name: String, default: T): T = with(prefs) {
+        val res: Any = when (default) {
+            is Long -> getLong(name, default)
+            is String -> getString(name, default)!!
+            is Int -> getInt(name, default)
+            is Boolean -> getBoolean(name, default)
+            is Float -> getFloat(name, default)
+            else -> throw IllegalArgumentException("This type of data cannot be saved!")
+        }
+        return res as T
+    }
+}