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Why mobile phone SD card is unavailableFirst, you need to find out whether the problem is the SD card or the mobile phone. If the problem is the SD
1. when the mobile phone cannot recognize the SD card, we can try to format the SD card, which may be restored but the data on the SD card is lost. The specific steps are as follows: cl
The first step, remember that we first put the cell phone SD card in the card reader and then insert the reader into the computer to display a removable disk. Step two, okay. Now we turn on the computer "start"-"Run"-enter "CMD". The third step, and then in the open cmd we enter "chkdsk/f #:" (#
Use the phone to format the SD card, but note that the format SD card so that your SD card data will be all lost, so we do not have to back up the data will be lost. 1, we click on the
= blocksize*avilableblocks; String Totalsizestr= Formatter.formatfilesize ( This, totalsize); String Alilablesizestr= Formatter.formatfilesize ( This, avilablesize); Tvmemory.settext ("Total Memory:"+totalsizestr +"Available Memory:"+alilablesizestr); } /** * Read SD card memory*/ Private voidGetsddetail () {File path=environment.getexternalstoragedirectory (); StatFs Stat=NewStatFs (Path.getpath ())
for Android2.3 of systems,environment.getexternalstoragedirectory () Get the directory is built-in SD card or external SD card is not guaranteed, and the handset manufacturer's modification, Can only be judged by environment.isexternalstorageremovable ().,If True is external, because external can be uninstalled. (But I
[Description] How to automatically install the APK on the external SD card to the memory card of the mobile phone when the mobile phone is started for the first time. [Solution] Design Concept: 1.Put the APK to a directory on the SD
Uninstall SD card:1. in the Android phone, I "set" rarr; "storage" rarr; "uninstall SD card" on the mobile phone ", in the displayed "uninstall SD
Why do you want to import the SIM card contact to the SD card, there are several reasons for this one is to import SD card can set the contact head and so on, another SIM card storage space is limited to import to the
1. As shown in the figure below, we use our fingers to gently fasten the top slot with our finger, and remove the back cover to be fine and don't spoil it. 2 Then we push the SD card into the slot until it is stuck. Note: Please make sure the golden touch of the SD card is facing down and fully inserted i
SIM card not recognized by mobile phone 1 Please confirm that all SIM cards are not recognized; 2 if not, suggest to the dot to change a sim card try; 3 If all of the SIM card is not recognized, please try to restart or restore the factory settings; 4 if not resolved please go to the nearest Huawei repair network d
The external SD card on the Android phone, at first, in the first few years of Android, when the storage of the phone is very limited, not like now everywhere 16G, 32G and 64G storage, so at that time the handset some manufacturers allow to insert the external SD
To install an SD card, follow these steps:1. Use your fingers to gently hold the top slot and remove the back cover.2. Push the SD card into the slot until it gets stuck.Note: Make sure that the SD card's golden pin face is do
获取手机里所有存储设备盘符,首先需要得到挂载在手机上的有哪些盘符,这里需要用到一个被系统隐藏的方法，即StorageManager下的getVolumePaths()方法。具体通过反射得到。方法返回值为字符串数组，getVolumeList返回所有相关信息 StorageVolume: mStorageId=131073 mPath=/storage/external //盘符（路径） mDescriptionId=17040902 mPrimary=false mRemovable=true //是否可卸载，内置SD卡无法卸载，外置SD卡可以卸载，据此可判断是否存在外置SD卡， //这样在某些APP中可以将某些数据优先存储到外置
,"Getdefaultringtoneuri with Unsupport type!"); return NULL; } Defaulturi= (Uristring = =NULL?NULL: Uri.parse (uristring)); LOG.D (TAG,"Getdefaultringtoneuri:type =" + Type + ", default URI =" +Defaulturi); returnDefaulturi; }Then finally, you can judge in Getactualdefaultringtoneuri ()! Public StaticUri Getactualdefaultringtoneuri (Context context,inttype) {String setting=Getsettingfortype (type); if(Setting = =NULL)return NULL; FinalString uristring =Settings.System.getStringForUser (Contex
.... Change intoDev_mount Sdcard/mnt/sdcard2Auto/devices/platform/goldfish_mmc.0/devices/platform/mtk-sd.0/mmc_hostDev_mount Sdcard/mnt/sdcardAuto/devices/platform/goldfish_mmc.1/devices/platform/mtk-sd.1/mmc_host save and then exit. At this time, you will be in this folder to prepare a Vold.fstab.bak file.the next important step:Settings--Accessibility--Install the ap
To install the storage card, follow these steps:1. Note that when we buy a mobile phone, we will send a "pin", we take out the prepared needle and then aim at the small hole on the phone side to eject the Cato card. (Make sure the pin is perpendicular to the small hole.) Otherwise, the device may be damaged. ）2. Pull t
To back up contacts to the SD card, we only need to insert the SD card into the mobile phone, and then we can quickly back up contacts on the SD card in the mobile
1. First, register the SD card read and write permissions for manifest I didn't use MainActivity. class as the software entry here. Copy codeThe Code is as follows: AndroidManifest. xml Package = "com. tes. textsd" Android: versionCode = "1" Android: versionName = "1.0" type = "codeph" text = "/codeph"> Android: minSdkVersion = "8" Android: targetSdkVersion = "16"/> Android: allowBackup = "true" Android: i
Reprint Please specify source: http://blog.csdn.net/l1028386804/article/details/47375595At present, many Android phone software in the market has the function of clearing SD card cache, such as 360, Jinshan and so on. So how does the software implement the ability to clean up the SD
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