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Determine if Android app is being used for the first time

I am currently developing an android app. I need to do something when the app is launched for the first time, i.e. the code only runs on the first time the program is launched. ...
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Handler vs AsyncTask vs Thread [closed]

...sed about the differences between Handlers , AsyncTask and Threads in Android. I've read quite a few blogs and questions here in StackOverflow. ...
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How to round an image with Glide library?

...ropCircleTransformation(this)) .into(mProfile); XML <ImageView android:id="@+id/img_profile" android:layout_width="76dp" android:layout_height="76dp" android:background="@drawable/all_circle_white_bg" android:padding="1dp"/> all_circle_white_bg.xml <?xml version="1.0" en...
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How to change letter spacing in a Textview?

... check out android:textScaleX Depending on how much spacing you need, this might help. That's the only thing remotely related to letter-spacing in the TextView. Edit: please see @JerabekJakub's response below for an updated, better me...
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Android: allow portrait and landscape for tablets, but force portrait on phone?

...ee this supplemental answer for help adding these directories and files in Android Studio. Then, in the onCreate method of your Activities you can do this: if(getResources().getBoolean(R.bool.portrait_only)){ setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT); } De...
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How to programmatically take a screenshot on Android?

...you need to add a proper permission to save the file: <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> And this is the code (running in an Activity): private void takeScreenshot() { Date now = new Date(); android.text.format.DateFormat.format("yyyy-MM-dd_...
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Capturing mobile phone traffic on Wireshark

... Here are some suggestions: For Android phones, any network: Root your phone, then install tcpdump on it. This app is a tcpdump wrapper that will install tcpdump and enable you to start captures using a GUI. Tip: You will need to make sure you supply the ri...
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Android check internet connection [duplicate]

...etActiveNetworkInfo().isConnected(); } in manifest, <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> Edit: This method actually checks if device is connected to internet(There is a poss...
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Android Center text on canvas

...t too low and two much on the right. This is how I made the test: import android.app.Activity; import android.content.Context; import android.content.pm.ActivityInfo; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Rect; import ...
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Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术

Android代码优化小技巧前言这篇文章主要是介绍了一些小细节的优化技巧,当这些小技巧综合使用起来的时候,对于整个App的性能提升还是有作用的,只是不能较大幅度...前言 这篇文章主要是介绍了一些小细节的优化技巧,当这...