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@CharlesHarley
CharlesHarley / ScreenUtils.java
Last active March 24, 2023 08:26
Android utility class for working with the device screen.
/* Copyright 2012 Charles Harley
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
@codebutler
codebutler / FieldValidator.java
Created May 10, 2012 21:16
Simple helper to validate android form fields
import android.app.Activity;
import android.content.Context;
import android.text.InputType;
import android.text.TextUtils;
import android.view.View;
import android.widget.EditText;
import com.humaorie.dollar.Dollar;
import static com.humaorie.dollar.Dollar.$;
@joshdholtz
joshdholtz / SomeFragment.java
Last active December 22, 2022 09:41
Android Google Maps V2 - MapView in XML
public class SomeFragment extends Fragment {
MapView mapView;
GoogleMap map;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.some_layout, container, false);
@granoeste
granoeste / EachDirectoryPath.md
Last active April 27, 2025 06:18
[Android] How to get the each directory path.

System directories

Method Result
Environment.getDataDirectory() /data
Environment.getDownloadCacheDirectory() /cache
Environment.getRootDirectory() /system

External storage directories

@erickok
erickok / SelfSignedCrtCertificate.java
Last active May 11, 2023 14:25
Loading a self-signed SSL certificate .crt file and packaging it into a SSLSocketFactory for use with a HttpsURLConnection.
// Usage example...
HttpsURLConnection connection = (HttpsURLConnection) new URL("https://someurl.com").openConnection();
connection.setSSLSocketFactory(buildSslSocketFactory());
private static SSLSocketFactory buildSslSocketFactory(Context context) {
// Add support for self-signed (local) SSL certificates
// Based on http://developer.android.com/training/articles/security-ssl.html#UnknownCa
try {
@y-gagar1n
y-gagar1n / gist:8469484
Created January 17, 2014 06:57
DateTime format patterns
DateTime.ToString() Patterns
All the patterns:
0 MM/dd/yyyy 08/22/2006
1 dddd, dd MMMM yyyy Tuesday, 22 August 2006
2 dddd, dd MMMM yyyy HH:mm Tuesday, 22 August 2006 06:30
3 dddd, dd MMMM yyyy hh:mm tt Tuesday, 22 August 2006 06:30 AM
4 dddd, dd MMMM yyyy H:mm Tuesday, 22 August 2006 6:30
5 dddd, dd MMMM yyyy h:mm tt Tuesday, 22 August 2006 6:30 AM
@egslava
egslava / WrapContentHeightViewPager.java
Created August 12, 2014 12:28
Wrap content height ViewPager (Android)
package org.cnii.layoutloader.ui;
import android.content.Context;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.view.View;
/**
* Special thanks to Daniel López Lacalle for his response
* (http://stackoverflow.com/questions/8394681/android-i-am-unable-to-have-viewpager-wrap-content/20784791#20784791)
@lopspower
lopspower / README.md
Last active August 12, 2025 23:44
All Android Directory Path

All Android Directory Path

Twitter

1) System directories

⚠️ We can't write to these folers

Method Result
@stansidel
stansidel / gpg-with-key
Last active November 10, 2023 08:20
Setting up GPG signature on Mac OS X with Xcode
/usr/local/bin/gpg --batch --passphrase-file ~/.gnupg/key.txt --no-tty "$@"
@jemshit
jemshit / proguard-rules.pro
Last active August 22, 2025 13:54
Proguard Rules for Android libraries
# If your project uses WebView with JS, uncomment the following
# and specify the fully qualified class name to the JavaScript interface
# class:
-keepclassmembers class fqcn.of.javascript.interface.for.webview {
public *;
}
### RxJava, RxAndroid (https://gist.github.com/kosiara/487868792fbd3214f9c9)
-keep class rx.schedulers.Schedulers {
public static <methods>;