diff --git a/.idea/misc.xml b/.idea/misc.xml index 3cbab69..8c56eb7 100644 --- a/.idea/misc.xml +++ b/.idea/misc.xml @@ -108,7 +108,7 @@ - + \ No newline at end of file diff --git a/jmvp/src/main/java/com/juyao/jmvp/utils/AppSharePreferenceMgr.java b/jmvp/src/main/java/com/juyao/jmvp/utils/AppSharePreferenceMgr.java new file mode 100644 index 0000000..c6cb0f2 --- /dev/null +++ b/jmvp/src/main/java/com/juyao/jmvp/utils/AppSharePreferenceMgr.java @@ -0,0 +1,227 @@ +package com.juyao.jmvp.utils; + +/** + * @author juyao + * @date 2018/12/5 + * @email juyao0909@gmail.com + */ +import android.content.Context; +import android.content.SharedPreferences; +import android.graphics.Bitmap; +import android.graphics.BitmapFactory; +import android.graphics.drawable.BitmapDrawable; +import android.util.Base64; +import android.widget.ImageView; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.util.Map; + +/** + * 主要功能：用于存储缓存数据 + * + * @Prject: CommonUtilLibrary + * @Package: com.jingewenku.abrahamcaijin.commonutil + * @author: AbrahamCaiJin + * @date: 2017年05月04日 14:13 + * @Copyright: 个人版权所有 + * @Company: + * @version: 1.0.0 + */ + +public class AppSharePreferenceMgr { + /** + * 保存在手机里面的文件名 + */ + public static final String FILE_NAME = "share_data"; + + /** + * 保存数据的方法，我们需要拿到保存数据的具体类型，然后根据类型调用不同的保存方法 + */ + public static void put(Context context, String key, Object object) + { + + SharedPreferences sp = context.getSharedPreferences(FILE_NAME, + Context.MODE_PRIVATE); + SharedPreferences.Editor editor = sp.edit(); + + if (object instanceof String) + { + editor.putString(key, (String) object); + } else if (object instanceof Integer) + { + editor.putInt(key, (Integer) object); + } else if (object instanceof Boolean) + { + editor.putBoolean(key, (Boolean) object); + } else if (object instanceof Float) + { + editor.putFloat(key, (Float) object); + } else if (object instanceof Long) + { + editor.putLong(key, (Long) object); + } else + { + editor.putString(key, object.toString()); + } + + SharedPreferencesCompat.apply(editor); + } + + /** + * 得到保存数据的方法，我们根据默认值得到保存的数据的具体类型，然后调用相对于的方法获取值 + */ + public static Object get(Context context, String key, Object defaultObject) + { + SharedPreferences sp = context.getSharedPreferences(FILE_NAME, + Context.MODE_PRIVATE); + + if (defaultObject instanceof String) + { + return sp.getString(key, (String) defaultObject); + } else if (defaultObject instanceof Integer) + { + return sp.getInt(key, (Integer) defaultObject); + } else if (defaultObject instanceof Boolean) + { + return sp.getBoolean(key, (Boolean) defaultObject); + } else if (defaultObject instanceof Float) + { + return sp.getFloat(key, (Float) defaultObject); + } else if (defaultObject instanceof Long) + { + return sp.getLong(key, (Long) defaultObject); + } + + return null; + } + + /** + * 移除某个key值已经对应的值 + */ + public static void remove(Context context, String key) + { + SharedPreferences sp = context.getSharedPreferences(FILE_NAME, + Context.MODE_PRIVATE); + SharedPreferences.Editor editor = sp.edit(); + editor.remove(key); + SharedPreferencesCompat.apply(editor); + } + + /** + * 清除所有数据 + */ + public static void clear(Context context) + { + SharedPreferences sp = context.getSharedPreferences(FILE_NAME, + Context.MODE_PRIVATE); + SharedPreferences.Editor editor = sp.edit(); + editor.clear(); + SharedPreferencesCompat.apply(editor); + } + + /** + * 查询某个key是否已经存在 + */ + public static boolean contains(Context context, String key) + { + SharedPreferences sp = context.getSharedPreferences(FILE_NAME, + Context.MODE_PRIVATE); + return sp.contains(key); + } + + /** + * 返回所有的键值对 + */ + public static Map getAll(Context context) + { + SharedPreferences sp = context.getSharedPreferences(FILE_NAME, + Context.MODE_PRIVATE); + return sp.getAll(); + } + + + /** + * 保存图片到SharedPreferences + * @param mContext + * @param imageView + */ + public static void putImage(Context mContext, String key, ImageView imageView) { + BitmapDrawable drawable = (BitmapDrawable) imageView.getDrawable(); + Bitmap bitmap = drawable.getBitmap(); + // 将Bitmap压缩成字节数组输出流 + ByteArrayOutputStream byStream = new ByteArrayOutputStream(); + bitmap.compress(Bitmap.CompressFormat.PNG, 80, byStream); + // 利用Base64将我们的字节数组输出流转换成String + byte[] byteArray = byStream.toByteArray(); + String imgString = new String(Base64.encodeToString(byteArray, Base64.DEFAULT)); + // 将String保存shareUtils + AppSharePreferenceMgr.put(mContext, key, imgString); + } + + /** + * 从SharedPreferences读取图片 + * @param mContext + * @param imageView + */ + public static Bitmap getImage(Context mContext, String key, ImageView imageView) { + String imgString = (String) AppSharePreferenceMgr.get(mContext, key, ""); + if (!imgString.equals("")) { + // 利用Base64将我们string转换 + byte[] byteArray = Base64.decode(imgString, Base64.DEFAULT); + ByteArrayInputStream byStream = new ByteArrayInputStream(byteArray); + // 生成bitmap + return BitmapFactory.decodeStream(byStream); + } + return null; + } + + /** + * 创建一个解决SharedPreferencesCompat.apply方法的一个兼容类 + */ + private static class SharedPreferencesCompat + { + private static final Method sApplyMethod = findApplyMethod(); + + /** + * 反射查找apply的方法 + */ + @SuppressWarnings({ "unchecked", "rawtypes" }) + private static Method findApplyMethod() + { + try + { + Class clz = SharedPreferences.Editor.class; + return clz.getMethod("apply"); + } catch (NoSuchMethodException e) + { + } + + return null; + } + + /** + * 如果找到则使用apply执行，否则使用commit + */ + public static void apply(SharedPreferences.Editor editor) + { + try + { + if (sApplyMethod != null) + { + sApplyMethod.invoke(editor); + return; + } + } catch (IllegalArgumentException e) + { + } catch (IllegalAccessException e) + { + } catch (InvocationTargetException e) + { + } + editor.commit(); + } + } +}