Android :: Can Custom Read - Write Permissions Effect User Acceptance Of An Application

Apr 29, 2010

I have two published apps that are pretty targeted to the user collecting their personal medical data (like Blood Pressure, etc.) and then, eventually sending it somewhere, if they choose.

I decided to put Read/Write permission on my ContentProvider, so if another app comes along that wants to the access that content, the user will be warned. The permission that is required is declared in my apps.

When the user installs my apps, they are also given a warning that the app requires that permission (even though it's the one that declares it), and it shows up in the Marketplace also.

The question is: Is it possible that the permission acceptance part of installing my app could be putting customers off? I don't know what other's acceptance rate is, but mine is around 50% of customers who download it have active installs.

Android :: Can custom read - write permissions effect user acceptance of an application


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Android :: Possible To Hide Application Permissions From User?

Jul 11, 2010

I am wanting to know if a developer has the ability to choose not to display the permissions needed for an app they create. For an example if there is a note taking app in the market that says no permissions needed, but in reality, it does have "internet access"capabilities not shown to the user/downloader, Is it possible for App permissions to be hidden and not displayed to the user? Can someone explain to me the process on assigning and displaying permissions on android apps?

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Android :: Application That Can Read And Write Txt Files To SDCard

May 3, 2010

I have an application that can read and write txt files to the phones sdcard. By using this code for reading files:

@Override protected void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); mFileNameOpen = files.get(position);
String st = null; mVector.clear();
notepad.mNewEmpty = false; try { File f = new File(Environment.getExternalStorageDirectory()+"/ notepad/"+mFileNameOpen); FileInputStream fileIS = new FileInputStream(f);
BufferedReader in = new BufferedReader(new InputStreamReader(fileIS));
do { st = in.readLine();
mVector.add(st);
}while(st!=null); in.close(); ...
} catch (FileNotFoundException e) { e.printStackTrace();
} catch (IOException e) e.printStackTrace();

and this to write them:
try { File root = Environment.getExternalStorageDirectory();
File fileCheck = new File(root, "/notepad/" + fileNameSave + saveExtension);
boolean exists = fileCheck.exists();
if (!exists) { if (root.canWrite()) { File textFile = new File(root, "/notepad/" + fileNameSave + saveExtension);
FileWriter textWriter = new FileWriter(textFile);
BufferedWriter out = new BufferedWriter(textWriter);
out.write(SAVEAS); out.close(); written = true;
} else { written = false; else { written = true; showMaybe = 1; showDialog(DIALOG_SAVE_EXISTS);
catch (IOException e) {Log.v(getString(R.string.app_name), e.getMessage());

This has been working fine on my Tattoo and all the emulators I've tried this on. But it does not seem to be working on moto droid. Is there something different to consider with moto droid? Or have I missed something in the manifest maybe?

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Android :: How Can Write Broadcast Receiver That Will Be Invoked When User Clicks On Any Application Icon

Mar 18, 2010

How can I write a Broadcast Receiver that will be invoked when user clicks on any application icon?

I tried by writing:

CODE:...................

But it is not called.

I tried, by using Packagemanager I will get ApplicationInfo. From that I can know all the application starting activity name and package names. I thought I can use them to registerReceiver and my receiver will listen by its launching activity and package name.

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General :: Rooted HTC One - SolidExplorer Not Granting Write Permissions

May 6, 2013

I have a rooted HTC One and I have granted SU permissions to SolidExplorer, however I still cannot seem to modify the /system folder for r/w access. When I select Properties > Attributes > Change, it has these boxes checked:

Yet, when I accept the changes, it is still only showing read access:

Even if I check all of the boxes when changing the attributes, the results are the same. I cannot copy or write files to this folder.

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Android : How To Read/Write .CSV

Dec 15, 2009

I'll open with, I googled this thing like crazy, searched anddev and a few other boards (including this one) and can't quite find what I'm looking for.

The predicament : all CSV examples are in reference to contacts, and the file read/write posts (the ones that I need) make the assumption that I am not a beginner and most don't even post any code leaving me nothing to learn on.

The hopeful solution : a link to a solid example of simply how to write to a CSV with my own custom fields and values, and how to read a CSV and load said values.

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General :: Read Only Permissions On MicroSD?

Feb 12, 2012

Is it possible to change the read / write permissions on my MicroSD? Want to have files on my MicroSD that you can not delete or make changes in.

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Android :: Read Data That Been Separately Copied To Sd Card Without Having Root Permissions?

May 4, 2010

I am developing an application that needs to access data on the sd card. When I run on my development device (an odroid with Android 2.1) I have root access and can construct the path using:

CODE:..........................

However, when I install this on a phone (2.1) where I do not have root access I get files == null. I assume this is because I do not have the right permissions to read the data from the sd card. I also get files == null when just trying to list files on /sdcard. So the same applies without my constructed path.

Also, this app is not intended to be distributed through the app store and is needs to use data copied separately to the sd card so this is a real use-case. It is too much data to put in res/raw (I have tried, it did not work).

I have also tried adding: <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

To the manifest, even though I only want to read the sd card, but it did not help. I have not found a permission type for reading the storage.

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Android :: Read And Write File At Same Time?

Oct 6, 2010

In my application, I use MediaPlayer to record audio to a file.Can I read the file at the same time?

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Android :: Write / Read Log Data Into File

Mar 13, 2010

how to read/write log data into a text file in android that file should be res folder.

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Android :: Read And Write Contacts To Addressbook

Sep 23, 2009

I am new for android development. I am trying read and write contacts to android addressbook.

I tried following line of code for write name into android.

CODE:.............

But i am getting "The application has stopped unexpectedly. Please try again" message.

How can i access contacts of android ?

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Android :: Can't Read / Write To Sdcard In Droid - Way To Do

Jul 9, 2010

When i try that code...

when run program both can't write /read occure

I have set permission to access sdcard what is the problem?

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Android :: How To Read / Write Into Textfile In Droid

Sep 14, 2010

How to read and write strings in text file in android which is kept in raw folder and also how to clear contents of that file in android?

I have done this way and my "temp.txt" file is in /raw folder. But i am not getting any output in file. Also I am not getting any error for this...

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Android : Write/read Log Files In Res Folder

Mar 13, 2010

How to write/read log data into txt file in res folder.

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Samsung : Read And Write UTF-8 To Disk On Android?

Apr 29, 2010

I cannot read and write extended characters (French accented characters, for example) to a text file using the standard InputStreamReader methods shown in the Android API examples. When I read back the file using: the string read is truncated at the extended characters instead of at the end-of-line. The second half of the string then comes on the next line. I'm assuming that I need to persist my data as UTF-8 but I cannot find any examples of that, and I'm new to Java. Can anyone provide me with an example or a link to relevant documentation? Code...

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Android :: How To Read / Write SMS Delivery Report Setting

Mar 25, 2009

I want to know how to get SMS Delivery Report setting which is stored in the /data/data/com.android.mms com.android.mms_preferences.xml. I wrote a application to read it with the following code:

SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this); boolean requestDeliveryReport = prefs.getBoolean( "pref_key_sms_delivery_reports", true);

Seems it does not work, it always returns the default value which is "true". Does anybody know how to read/write the SMS Delivery Report setting.

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Android :: Read / Write Permission In Data Directory?

Jan 4, 2010

I m using Android 1.5 my data directory does'nt have the read/write permissions

System.out.println("DAta can write??--->"+Environment.getDataDirectory().canWrite());
System.out.println("DAta can read??--->"+Environment.getDataDirectory().canRead());

So please suggest me how to provide permission for the data directory.
What m trying to do is to create a file and add some content to it iin the Data storage of the emulator like as below

private void writeToSDCard() {
try {
File lroot = Environment.getDataDirectory();
if (lroot.canWrite()){
File lfile = new File(lroot, "samplefile.txt");
FileWriter lfilewriter = new FileWriter(lfile);
BufferedWriter lout = new BufferedWriter(lfilewriter);
lout.write("XXXXXXXXXXXXXXXXXX");
lout.close();
}
} catch (IOException e) {
Log.e(m_cTAG, "Could not write file " + e.getMessage());
}
}

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Android :: Fastest Method To Read / Write SD Card?

Jul 18, 2010

There are a lot of different classes that can be used in various ways to read/write to files in Android. For example, you can make use of java.nio.ByteBuffer, FileOutputStream and BufferedOutputStream. Are there any general guidelines for what to use to read/write quickly to the SD card? For example, BufferedOutputStream seems as if it should make things faster but I'm unsure the buffer size should be set for. Specifically, I want to read/write byte arrays that are ~1Mb in size as quickly as I can.

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Android :: How To Create Text File And Read And Write From It?

Feb 24, 2010

I am very new to android and i have wrote an application that reads the Cell ID information , now i want to create a text file and store the information inside , i have googled this issue but i couldn't find a solution that really worked.

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Android : Read / Write To A Local XML File In Droid?

Nov 3, 2010

I am new to Android and relatively new to Java so please bear with me. I have an XML file stored in the res/xml that I am trying to write to. I know how to read it using XmlResourceParser, but I have not been able to find a way to write to that file locally. Could someone point me in the right direction please.

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General :: Read (and Write) Android Browser Bookmarks?

Dec 13, 2011

I've done this app Bookmarks Easy Import that import pc bookmarks (and folders too) in Android bookmarks but it required root because it read and write directly an Android database.

know if is possible read and write Android bookmarks from b4a or java application (via API?) in a non-rooted phone?

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Android :: ARM Directly Read / Write File On Sd Card I/O Without Cache

Nov 16, 2010

I need to directly read/write a file on sd card without cache. I can use "posix_fadvise" to achieve the purpose on Ubuntu I try NDK to make the function call, but it seems disabled on Android How can I do?

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Android :: Write / Read Access To SD Card In Manifest File

Mar 1, 2010

Is there a right associated with write/read access to the sd card that needs to be set in the manifest.xml file? I'm currently trying to write to the sd card using a standard FileOutputStream here:

FileOutputStream out = new FileOutputStream("/ sdcard/images/"+imageName);
bmp.compress(Bitmap.CompressFormat.JPEG, 90, out);

But it doesn't seem to be working. It just says the location isn't found, which can happen if there are no permissions to read/write to the location.

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Android : Remount /sdcard Directory To Read/write On Emulator

Aug 19, 2009

How to remount /sdcard directory to read/write on emulator?

I read this:
http://android-tricks.blogspot.com/2009/01/mount-filesystem-read-write.html

But i don't know how to apply that to remount /sdcard directory in read-write mode?

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Write A Program To Read PDF Files?

Oct 22, 2013

I want to write a program to read PDF files. Where should I start if I do need a special library?

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Read Tag And Then Write Information Into Tag Without Scanning Again

Nov 8, 2013

I am writing application to read information from NFC tag after that edit the information and write again to NFC tag without touch second tag (only read and write in the first touch). The data after write into the tag that is displayed into mobile. The processing is such as (Read tag=>Get Information=>Edit information=>Write Tag again=>Read information to display)I found some solution in the internet such as android read back the tag infomation after write, without second touch of tag...But when I implement it.It did not work for writing.

[HIGH]import android.nfc.NfcAdapter;
import android.nfc.Tag;
import android.nfc.tech.Ndef;
import android.nfc.tech.NdefFormatable;
import android.os.Bundle;
[code]....

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General :: Can't Read / Write SD Card

Oct 23, 2012

I did a backup using Titanium Backup and Go Backup and after wiping my Motorola Defy, tried to restore apps, contacts etc. The problems I encountered were:

1) Go Backup can't recognize backup directory on SD card for some reason.
2) Can't move apps to SD. An error occurs: "Move Application: Failed to move application. There is not enough storage left." Needless to say, I have more than enough storage.

This is was I encountered by far, although I believe these are just a small part of the symptoms for a single problem.
Maybe its because there are no permissions, or moving apps is impossible because of an existing app files on the SD card.

What is the actual cause for this? Or is there a tool to fix the permissions on the Defy?

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HTC Desire :: Unable To Read / Write To 8GB SD Card

Apr 26, 2010

My new HTC desire is unable to read or write to my 8GB SD card which was previously inside my HTC HD touch.
Why is this? I've swapped the SD cards around - i.e. the 4 GB SD card which it came shipped with is now inside my HTC HD touch It doesnt have a problem reading or writingto the 4 GB SD card that it came shipped with. I would prefer not to have to format the card

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General :: Read And Write Camera Registers Via I2C?

Mar 25, 2014

how to pull and push registers to i2c devices? (Especially camera)

I'm using RootTools to get the list of the devices: "busybox find /sys/devices/i2c*/*/*/ -name name"

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Android :: Create Droid Shared Directory With Read And Write Access On Phone?

Feb 17, 2010

How do I create a shared directory with read/write permissions to all applications installed on my phone and that is not on the sdcard?
I tried that :

File f = new File("/tmp");
f.mkdir();

but it is not working.

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