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brian512brian512
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clear cache
1 parent c32df13 commit 4e58309

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5 files changed

+81
-204
lines changed

5 files changed

+81
-204
lines changed

‎app/src/main/java/com/brian/csdnblog/activity/SettingActivity.java‎

Lines changed: 13 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -14,10 +14,13 @@
1414
import com.brian.csdnblog.Env;
1515
import com.brian.csdnblog.R;
1616
import com.brian.csdnblog.datacenter.preference.SettingPreference;
17+
import com.brian.csdnblog.manager.DataManager;
1718
import com.brian.csdnblog.manager.ShareManager;
1819
import com.brian.csdnblog.manager.UpdateManager;
1920
import com.brian.csdnblog.manager.UsageStatsManager;
21+
import com.brian.csdnblog.util.FileUtil;
2022
import com.brian.csdnblog.util.MarketUtils;
23+
import com.brian.csdnblog.util.ToastUtil;
2124
import com.umeng.analytics.MobclickAgent;
2225

2326
import butterknife.BindView;
@@ -33,6 +36,7 @@ public class SettingActivity extends BaseActivity {
3336
@BindView(R.id.switch_staybg_text) TextView mSwitchStayBgText;
3437
@BindView(R.id.market) TextView mMarketText;
3538
@BindView(R.id.update) TextView mCheckUpdateText;
39+
@BindView(R.id.cache) TextView mClearCacheText;
3640

3741
public static void startActivity(Activity activity) {
3842
Intent intent = new Intent();
@@ -144,6 +148,15 @@ public void onClick(View v) {
144148
UpdateManager.getInstance().checkUpdate(Env.getContext());
145149
}
146150
});
151+
152+
mClearCacheText.setOnClickListener(new OnClickListener() {
153+
@Override
154+
public void onClick(View v) {
155+
UsageStatsManager.sendUsageData(UsageStatsManager.SETTING_LIST, "cache");
156+
ToastUtil.showMsgS("清除了缓存：" + FileUtil.fileSizeToString(DataManager.getInstance().getRemovableDataSize()));
157+
DataManager.getInstance().clearAllCacheData();
158+
}
159+
});
147160
}
148161

149162
private void showAdConfirmDialog() {

‎app/src/main/java/com/brian/csdnblog/manager/DataManager.java‎

Lines changed: 9 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -17,7 +17,6 @@ public class DataManager {
1717
public static final String PATH_DIR_CACHE = Env.getContext().getCacheDir().getAbsolutePath();
1818
public static final String PATH_DIR_DB = PATH_DIR_ROOT + "/databases";
1919
public static final String PATH_DIR_PREFERENCE = PATH_DIR_ROOT + "/shared_prefs";
20-
public static final String PATH_DIR_CACHE_PIC = PATH_DIR_CACHE;
2120

2221
public static final String PATH_DIR_CACHE_BLOG = PATH_DIR_DATA + "/blogs";
2322

@@ -68,7 +67,7 @@ public void clearCacheData() {
6867
*/
6968
public void clearAllCacheData() {
7069
clearCacheData();
71-
FileUtil.deleteDirsAndFiles(PATH_DIR_CACHE_PIC);
70+
FileUtil.deleteDirsAndFiles(PATH_DIR_CACHE_BLOG);
7271
}
7372

7473
/**
@@ -87,4 +86,12 @@ public void clearAllData() {
8786
clearData();
8887
FileUtil.deleteDirsAndFiles(PATH_DIR_PREFERENCE);
8988
}
89+
90+
/**
91+
* 获取缓存数据大小
92+
* @return cache目录 + 博文缓存总和
93+
*/
94+
public long getRemovableDataSize() {
95+
return FileUtil.getFolderSize(PATH_DIR_CACHE_BLOG) + FileUtil.getFolderSize(PATH_DIR_CACHE);
96+
}
9097
}

‎app/src/main/java/com/brian/csdnblog/util/DeviceUtil.java‎

Lines changed: 17 additions & 71 deletions
Original file line numberDiff line numberDiff line change
@@ -36,6 +36,7 @@
3636
public class DeviceUtil {
3737

3838
private static String uniqueId;
39+
3940
public static String getUUID() {
4041
if (!TextUtils.isEmpty(uniqueId)) {
4142
return uniqueId;
@@ -289,8 +290,6 @@ public static String getMobileNum(Context context) {
289290

290291
/**
291292
* 返回内置sd卡路径,带后置分隔符 要获取下载目录, 请使用DownloadConfig.getDownloadPath
292-
*
293-
* @return
294293
*/
295294
public static String getSDCardDir() {
296295
String sdcardPath = Environment.getExternalStorageDirectory().getPath();
@@ -308,8 +307,6 @@ public static String getSDCardDir() {
308307

309308
/**
310309
* 返回内置sd卡路径,带后置分隔符 要获取下载目录, 请使用DownloadConfig.getDownloadPath
311-
*
312-
* @return
313310
*/
314311
public static String getPrimarySDCard() {
315312
// return Environment.getExternalStorageDirectory().getPath();
@@ -322,8 +319,6 @@ public static String getPrimarySDCard() {
322319

323320
/**
324321
* 返回外置sd卡路径,带后置分隔符 返回除内置存储器外, 可用空间最大的存储器
325-
*
326-
* @return
327322
*/
328323
private static String sSlaveSDCard = null;
329324

@@ -338,13 +333,13 @@ public static String getSlaveSDCard() {
338333

339334
ArrayList<String> storageArrayList = getMountedDevicesList();
340335

341-
/*
336+
/*
342337
* ----------------------------------------------------------------------
343-
* ------- 特殊情况： 有些手机加载SD卡比较特殊，在设备列表中找不到该路径，这里山寨一点，加入一些
344-
* 常用的外置SD路径，如果设别列表路径没有，则从里面猜一个
345-
* ------------------------------------------
346-
* -----------------------------------
347-
*/
338+
* ------- 特殊情况： 有些手机加载SD卡比较特殊，在设备列表中找不到该路径，这里山寨一点，加入一些
339+
* 常用的外置SD路径，如果设别列表路径没有，则从里面猜一个
340+
* ------------------------------------------
341+
* -----------------------------------
342+
*/
348343
storageArrayList.add("/mnt/external1");
349344
//
350345
// ... 如有需要后续这里可以再加其他路径
@@ -363,7 +358,7 @@ public static String getSlaveSDCard() {
363358
}
364359

365360
// 过来不存在的路径
366-
if (FileUtil.isDirExist(storagePath) == false) {
361+
if (!FileUtil.isDirExist(storagePath)) {
367362
continue;
368363
}
369364

@@ -414,7 +409,7 @@ public static ArrayList<String> getMountedDevicesList() {
414409
// final int INDEX_PARTITION = 3;
415410
final int INDEX_SYSFS_PATH = 4;
416411

417-
ArrayList<String> volumnPathList = new ArrayList<String>();
412+
ArrayList<String> volumnPathList = new ArrayList<>();
418413
if (VOLD_FSTAB.exists() == false) {
419414
return volumnPathList;
420415
}
@@ -433,6 +428,7 @@ public static ArrayList<String> getMountedDevicesList() {
433428
reader.close();
434429
mountCmdLines.trimToSize();
435430
} catch (IOException e) {
431+
LogUtil.printError(e);
436432
}
437433

438434
for (final String mountCmdLine : mountCmdLines) {
@@ -441,7 +437,7 @@ public static ArrayList<String> getMountedDevicesList() {
441437
}
442438

443439
String[] infos = mountCmdLine.split(" ");
444-
if (infos == null || infos.length < INDEX_SYSFS_PATH) {
440+
if (infos.length < INDEX_SYSFS_PATH) {
445441
continue;
446442
}
447443

@@ -453,7 +449,6 @@ public static ArrayList<String> getMountedDevicesList() {
453449
if (!new File(path).exists()) {
454450
continue;
455451
}
456-
457452
volumnPathList.add(path);
458453
}
459454

@@ -462,9 +457,6 @@ public static ArrayList<String> getMountedDevicesList() {
462457

463458
/**
464459
* 获取指定磁盘的可用空间
465-
*
466-
* @param storagePath
467-
* @return
468460
*/
469461
public static long getAvailableSizeOf(final String storagePath) {
470462
StatFs stat = new StatFs(storagePath);
@@ -475,8 +467,6 @@ public static long getAvailableSizeOf(final String storagePath) {
475467

476468
/**
477469
* 获取扩展SD卡的总大小
478-
*
479-
* @return
480470
*/
481471
public static long getTotalExtSdCardMemorySize() {
482472
String path = getSlaveSDCard();
@@ -490,11 +480,8 @@ public static long getTotalExtSdCardMemorySize() {
490480

491481
/**
492482
* 获取扩展SD卡的空余大小
493-
*
494-
* @return
495483
*/
496484
public static long getFreeExtSdCardMemorySize() {
497-
// String path = getSlaveSDCard();
498485
String path = getSDCardDir();
499486
if (path == null)
500487
return 0;
@@ -509,8 +496,6 @@ public static long getFreeExtSdCardMemorySize() {
509496

510497
/**
511498
* 获取SD卡的总大小
512-
*
513-
* @return
514499
*/
515500
public static long getTotalExternalMemorySize() {
516501
String path = Environment.getExternalStorageDirectory().getPath();
@@ -522,8 +507,6 @@ public static long getTotalExternalMemorySize() {
522507

523508
/**
524509
* 获取SD卡的剩余大小（包括不可用部分）
525-
*
526-
* @return
527510
*/
528511
public static long getAvailableExternalMemorySize() {
529512
String path = Environment.getExternalStorageDirectory().getPath();
@@ -535,8 +518,6 @@ public static long getAvailableExternalMemorySize() {
535518

536519
/**
537520
* 获取SD卡的剩余大小
538-
*
539-
* @return
540521
*/
541522
public static long getFreeExternalMemorySize() {
542523
String path = Environment.getExternalStorageDirectory().getPath();
@@ -573,49 +554,29 @@ static public long getTotalInternalMemorySize() {
573554
*/
574555
@SuppressLint("NewApi")
575556
static public boolean isExternalStorageEmulated() {
576-
577-
if (Build.VERSION.SDK_INT >= 11) {
578-
boolean b = Environment.isExternalStorageEmulated(); // SDK版本号要高于11才能用
579-
return b;
580-
581-
} else {
582-
return false;
583-
584-
}
585-
557+
return Build.VERSION.SDK_INT >= 11 && Environment.isExternalStorageEmulated();
586558
}
587559

588560
/**
589561
* 判断系统的内置SD卡是否可插拔
590562
*/
591563
@SuppressLint("NewApi")
592564
static public boolean isExternalStorageRemovable() {
593-
594-
if (Build.VERSION.SDK_INT >= 11) {
595-
boolean b = Environment.isExternalStorageRemovable(); // SDK版本号要高于11才能用
596-
return b;
597-
598-
} else {
599-
return false;
600-
601-
}
565+
return Build.VERSION.SDK_INT >= 11 && Environment.isExternalStorageRemovable(); // SDK版本号要高于11才能用
602566
}
603567

604568
/**
605569
* 获取序列号
606-
*
607-
* @return
608570
*/
609571
public static String getSerialId(Context context) {
610-
611572
String seria_num = null;
612573
try {
613-
614574
Class<?> c = Class.forName("android.os.SystemProperties");
615575
Method m = c.getMethod("get", String.class);
616576
seria_num = (String) m.invoke(c, "ro.serialno");
617577

618578
} catch (Exception e) {
579+
LogUtil.printError(e);
619580
}
620581
if (seria_num == null || seria_num.equals("")) {
621582
TelephonyManager tManager = (TelephonyManager) context
@@ -670,8 +631,6 @@ public static String getCpuType() {
670631
* 通过读取"/proc/meminfo"系统内存信息文件获取，因为
671632
* 从API16开始才添加了从ActivityManager读取MemoryInfo.TotalMem 的方法，因此需要从文件读取 MemTotal:
672633
* 94096 kB MemFree: 1684 kB
673-
*
674-
* @return
675634
*/
676635
public static long getTotalMemory() {
677636
String str1 = "/proc/meminfo";
@@ -714,8 +673,7 @@ public static long getTotalMemory() {
714673
* @return 总的内存大小
715674
*/
716675
public static long getTotalMemorySize() {
717-
long totalMemory = getTotalMemory();
718-
return totalMemory;
676+
return getTotalMemory();
719677
}
720678

721679
/**
@@ -728,15 +686,12 @@ public static long getHasMemorySize(Context context) {
728686
ActivityManager mActivityManager = (ActivityManager) context
729687
.getSystemService(Context.ACTIVITY_SERVICE);
730688
mActivityManager.getMemoryInfo(memoryInfo);
731-
long hasMemory = memoryInfo.availMem;
732-
return hasMemory;
689+
return memoryInfo.availMem;
733690
}
734691

735692

736693
/**
737694
* 获得CPU频率
738-
*
739-
* @return
740695
*/
741696
public static String getCurCpuFreq() {
742697
String result = "N/A";
@@ -768,8 +723,6 @@ public static String getCurCpuFreq() {
768723
* 获取CPU最大频率（单位KHZ）
769724
* "/system/bin/cat" 命令行
770725
* "/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq" 存储最大频率的文件的路径
771-
*
772-
* @return
773726
*/
774727
public static long getMaxCpuFreq() {
775728
String result = null;
@@ -798,8 +751,6 @@ public static long getMaxCpuFreq() {
798751

799752
/**
800753
* 获取cpu 内核数
801-
*
802-
* @return
803754
*/
804755
public static int getCpuNum() {
805756
int cpuNum = 1;
@@ -827,14 +778,9 @@ public static boolean supportsOpenGLES2(final Context context) {
827778

828779
/**
829780
* 判断当前设备是否为魅族手机
830-
*
831-
* @return
832781
*/
833782
public static boolean isMeizu() {
834783
Build build = new Build();
835-
if (build.BRAND.indexOf("Meizu") != -1) {
836-
return true;
837-
}
838-
return false;
784+
return build.BRAND.indexOf("Meizu") != -1;
839785
}
840786
}

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