How can I open Android > Settings > Security tab from within my app? In my app, I have one simple button and I want to open the Security tab setting on button click listener event. I have tried to open android settings, but how do I open specifically the security one? Answer Try this instead:
Tag: android
“Activity not found” in Android
I am using the navigation-drawer template in eclipse to do a simple Android application. I have some trouble with fragment. I declared a fragment called PresenceLog Fragment in manifest but when I called it in MainActivity, the log still says that Here is my manifest Here is my fragment class Here is my MainA…
Convert .Java file to .Smali file
I reverse-engineered an Android application with APKTool and got .Smali files as source code output. I converted the .Smali files with an application to .Java files. I was able to successfully edit the .Java files but now I want to convert them back to .Smali so I can recompile the application with the new .S…
Android – Using Shared Preferences in separate class?
I want to save data using Shared Preferences in android. But I am looking to use separate class to do this task. I have implemented that class like below, But there is an error on getActivity(), How to solve this? Thanks Answer getActivity() is a method of Fragment not of your SavePref. In your case the simpl…
Android Studio: create Java project with no Android dependencies
It’s possible to add pure Java module to existing Android project. But is it possible to create pure Java project with no Android dependencies? Answer Yes, it is possible. You have to manually create all necessary files. Here are steps for Gradle based project: Remove include ‘:app’ form set…
Convert RGB to HSV in android
I want to get the ARGB values from a pixel and convert to HSV and then set the pixel with the new values. I don’t fully understand how to do that. Can anyone help me? Answer Let’s say you have a Bitmap object and x and y co-ordinates. You can get the color from the bitmap as a 32-bit value
Default constructor cannot handle exception type IOException thrown by implicit super constructor. Must define an explicit constructor
I have two java classes Configuration.java and login.java Configuration.java login.java … can anyone help me please to resolve the error Answer Also change your Configuration file like this:
Solving native open cv code error in androd.mk for developing panorama on android
I am trying to develop an android application for generating panoramic images usig feature of image stitching in Open CV. I have used the code give on the site given below. http://ramsrigoutham.com/2012/12/21/panorama-app-on-android-using-stitching-module-opencv/ There is an error shown in the log cat shown b…
Can’t get OkHttp’s response.body.toString() to return a string
I’m trying to get some json data using OkHttp and can’t figure out why when i try logging the response.body().toString() what i get is Results:﹕ com.squareup.okhttp.Call$RealResponseBody@41c16aa8 I don’t know what i’m doing wrong here. How do i get the response string? Answer Just in c…
Check internet status from the main activity
I’m new student on android development, so I don’t have the enough experience for coding, so I need the help from you… I create a java class on android studio to check if there is an internet connection or not : So, I have two questions : 1- is this the right code or I’m missing someth…