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163 changes: 163 additions & 0 deletions
163
app/src/main/java/com/zwh/mvparms/eyepetizer/app/utils/UUIDS.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| package com.zwh.mvparms.eyepetizer.app.utils; | ||
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| import android.content.Context; | ||
| import android.content.SharedPreferences; | ||
| import android.os.Environment; | ||
| import android.util.Log; | ||
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| import java.io.BufferedReader; | ||
| import java.io.File; | ||
| import java.io.FileReader; | ||
| import java.io.FileWriter; | ||
|
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| /** | ||
| * Created by Administrator on 2017\12\15 0015. | ||
| * 设备唯一表示ID | ||
| */ | ||
|
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| public class UUIDS { | ||
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| private static final String TAG = UUIDS.class.getName(); | ||
| private static UUIDS device; | ||
| private Context context; | ||
| private final static String DEFAULT_NAME = ".system_device_id"; | ||
| private final static String DEFAULT_FILE_NAME = ".system_device_id"; | ||
| private final static String DEFAULT_DEVICE_ID = "dervice_id"; | ||
| private final static String FILE_ANDROID = Environment.getExternalStoragePublicDirectory("Android") + File.separator + DEFAULT_FILE_NAME; | ||
| private final static String FILE_DCIM = Environment.getExternalStoragePublicDirectory("DCIM") + File.separator + DEFAULT_FILE_NAME; | ||
| private static SharedPreferences preferences = null; | ||
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| public UUIDS(Context context) { | ||
| this.context = context; | ||
| } | ||
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| private String uuid; | ||
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| public static UUIDS buidleID(Context context) { | ||
| if (device == null) { | ||
| synchronized (UUIDS.class) { | ||
| if (device == null) { | ||
| device = new UUIDS(context); | ||
| } | ||
| } | ||
| } | ||
| return device; | ||
| } | ||
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| public static String getUUID() { | ||
| if (preferences == null) { | ||
| Log.d(TAG, "Please check the UUIDS.buidleID in Application (this).Check ()"); | ||
| return "dervice_id"; | ||
| } | ||
| return preferences.getString("dervice_id", "dervice_id"); | ||
| } | ||
|
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| //生成一个128位的唯一标识符 | ||
| private String createUUID() { | ||
| return java.util.UUID.randomUUID().toString(); | ||
| } | ||
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| public void check() { | ||
| preferences = context.getSharedPreferences(DEFAULT_NAME, 0); | ||
| uuid = preferences.getString(DEFAULT_DEVICE_ID, null); | ||
| if (uuid == null) { | ||
| if (checkAndroidFile() == null && checkDCIMFile() == null) { | ||
| uuid = createUUID(); | ||
| saveAndroidFile(uuid); | ||
| saveDCIMFile(uuid); | ||
| Log.d(TAG, "new devices,create only id"); | ||
| } | ||
|
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| if (checkAndroidFile() == null) { | ||
| uuid = checkDCIMFile(); | ||
| saveAndroidFile(uuid); | ||
| Log.d(TAG, "Android directory was not found in UUID, from the DCIM directory to take out UUID\n"); | ||
| } | ||
|
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| if (checkDCIMFile() == null) { | ||
| uuid = checkAndroidFile(); | ||
| saveDCIMFile(uuid); | ||
| Log.d(TAG, "DCIM directory was not found in UUID, from the Android directory to take out UUID"); | ||
| } | ||
|
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| uuid = checkAndroidFile(); | ||
| SharedPreferences.Editor editor = preferences.edit(); | ||
| editor.putString(DEFAULT_DEVICE_ID, uuid); | ||
| editor.commit(); | ||
| Log.d(TAG,"save uuid SharePref:" + uuid); | ||
| } else { | ||
|
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| if (checkAndroidFile() == null) { | ||
| saveAndroidFile(uuid); | ||
| } | ||
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| if (checkDCIMFile() == null) { | ||
| saveDCIMFile(uuid); | ||
| } | ||
| } | ||
| Log.d(TAG,"result uuid:" + uuid); | ||
| } | ||
|
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| private String checkAndroidFile() { | ||
| BufferedReader reader = null; | ||
| try { | ||
| File file = new File(FILE_ANDROID); | ||
| reader = new BufferedReader(new FileReader(file)); | ||
| return reader.readLine(); | ||
| } catch (Exception e) { | ||
| return null; | ||
| } finally { | ||
| try { | ||
| if (reader != null) { | ||
| reader.close(); | ||
| } | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
| } | ||
|
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| private void saveAndroidFile(String id) { | ||
| try { | ||
| File file = new File(FILE_ANDROID); | ||
| FileWriter writer = new FileWriter(file); | ||
| writer.write(id); | ||
| writer.flush(); | ||
| writer.close(); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
|
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| private String checkDCIMFile() { | ||
| BufferedReader reader = null; | ||
| try { | ||
| File file = new File(FILE_DCIM); | ||
| reader = new BufferedReader(new FileReader(file)); | ||
| return reader.readLine(); | ||
| } catch (Exception e) { | ||
| return null; | ||
| } finally { | ||
| try { | ||
| if (reader != null) { | ||
| reader.close(); | ||
| } | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
| } | ||
|
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| private void saveDCIMFile(String id) { | ||
| try { | ||
| File file = new File(FILE_DCIM); | ||
| FileWriter writer = new FileWriter(file); | ||
| writer.write(id); | ||
| writer.flush(); | ||
| writer.close(); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
| } |
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