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import com.the.package.name.extensions.get | |
import com.the.package.name.extensions.myPreferences | |
import com.the.package.name.extensions.set | |
val Context.myPreferences: SharedPreferences | |
get() = this.getSharedPreferences("${this.packageName} ${this.javaClass.simpleName}", MODE_PRIVATE) | |
@Suppress("UNCHECKED_CAST") | |
inline operator fun <reified T> SharedPreferences.get(key: String, defaultValue: T): T { | |
when (T::class) { | |
Boolean::class -> return this.getBoolean(key, defaultValue as Boolean) as T | |
Float::class -> return this.getFloat(key, defaultValue as Float) as T | |
Int::class -> return this.getInt(key, defaultValue as Int) as T | |
Long::class -> return this.getLong(key, defaultValue as Long) as T | |
String::class -> return this.getString(key, defaultValue as String) as T | |
else -> { | |
if (defaultValue is Set<*>) { | |
return this.getStringSet(key, defaultValue as Set<String>) as T | |
} | |
} | |
} | |
return defaultValue | |
} | |
@Suppress("UNCHECKED_CAST") | |
inline operator fun <reified T> SharedPreferences.set(key: String, value: T): T { | |
val editor = this.edit() | |
when (T::class) { | |
Boolean::class -> editor.putBoolean(key, value as Boolean) | |
Float::class -> editor.putFloat(key, value as Float) | |
Int::class -> editor.putInt(key, value as Int) | |
Long::class -> editor.putLong(key, value as Long) | |
String::class -> editor.putString(key, value as String) | |
else -> { | |
if (value is Set<*>) { | |
editor.putStringSet(key, value as Set<String>) | |
} | |
} | |
} | |
editor.commit() | |
return value | |
} | |
private inline fun SharedPreferences.edit(operation: (SharedPreferences.Editor) -> Unit) { | |
val editor = this.edit() | |
operation(editor) | |
editor.apply() | |
} | |
val Context.myAppPreferences: SharedPreferences | |
get() = getSharedPreferences( | |
"${this.packageName}_${this.javaClass.simpleName}", | |
MODE_PRIVATE | |
) | |
inline fun <reified T : Any> SharedPreferences.getObject(key: String): T? { | |
return Gson().fromJson<T>(getString(key, null), T::class.java) | |
} | |
@Suppress("UNCHECKED_CAST") | |
inline fun <reified T : Any> SharedPreferences.get(key: String, defaultValue: T? = null): T { | |
return when (T::class) { | |
Boolean::class -> getBoolean(key, defaultValue as? Boolean? ?: false) as T | |
Float::class -> getFloat(key, defaultValue as? Float? ?: 0.0f) as T | |
Int::class -> getInt(key, defaultValue as? Int? ?: 0) as T | |
Long::class -> getLong(key, defaultValue as? Long? ?: 0L) as T | |
String::class -> getString(key, defaultValue as? String? ?: "") as T | |
else -> { | |
if (defaultValue is Set<*>) { | |
getStringSet(key, defaultValue as Set<String>) as T | |
} else { | |
val typeName = T::class.java.simpleName | |
throw Error("Unable to get shared preference with value type '$typeName'. Use getObject") | |
} | |
} | |
} | |
} | |
@Suppress("UNCHECKED_CAST") | |
inline operator fun <reified T : Any> SharedPreferences.set(key: String, value: T) { | |
with(edit()) { | |
when (T::class) { | |
Boolean::class -> putBoolean(key, value as Boolean) | |
Float::class -> putFloat(key, value as Float) | |
Int::class -> putInt(key, value as Int) | |
Long::class -> putLong(key, value as Long) | |
String::class -> putString(key, value as String) | |
else -> { | |
if (value is Set<*>) { | |
putStringSet(key, value as Set<String>) | |
} else { | |
val json = Gson().toJson(value) | |
putString(key, json) | |
} | |
} | |
} | |
commit() | |
} | |
} | |
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