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public class MyAsyncTask extends AsyncTask<Void, Void, Cursor> {
@Override
protected Cursor doInBackground(Void... params) {
DatabaseHelper helper = new DatabaseHelper(MainActivity.this);
return helper.getReadableDatabase().rawQuery("SELECT * FROM myTable", null);
}
@Override
@marteinn
marteinn / InteractiveScrollView.java
Last active May 2, 2023 22:35
ScrollView with a OnBottomReachedListener for Android. MIT license (https://opensource.org/licenses/MIT).
package se.marteinn.ui;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ScrollView;
/**
* Triggers a event when scrolling reaches bottom.
@antoniolg
antoniolg / SwipeRefreshActivity.java
Last active July 29, 2019 11:59
An activity that uses a SwipeRefreshLayout as a container for the layout of the classes that extend it.
/*
* Copyright (C) 2014 Antonio Leiva Gordillo.
*
* 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
@felHR85
felHR85 / SoftKeyboard.java
Last active February 17, 2024 23:11
A solution to catch show/hide soft keyboard events in Android http://felhr85.net/2014/05/04/catch-soft-keyboard-showhidden-events-in-android/
/*
* Author: Felipe Herranz ([email protected])
* Contributors:Francesco Verheye ([email protected])
* Israel Dominguez ([email protected])
*/
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import android.os.Handler;
@daniellevass
daniellevass / android_material_design_colours.xml
Last active September 22, 2025 03:36
Android Material Design Colours
<?xml version="1.0" encoding="utf-8"?>
<resources>
<!-- google's material design colours from
http://www.google.com/design/spec/style/color.html#color-ui-color-palette -->
<!--reds-->
<color name="md_red_50">#FFEBEE</color>
<color name="md_red_100">#FFCDD2</color>
<color name="md_red_200">#EF9A9A</color>
@kevinvanmierlo
kevinvanmierlo / BaseActivity.java
Last active September 1, 2020 15:22
Same Navigation Drawer on different Activities
public class BaseActivity extends AppCompatActivity
{
public DrawerLayout drawerLayout;
public ListView drawerList;
private ActionBarDrawerToggle drawerToggle;
protected void onCreate(Bundle savedInstanceState)
{
// R.id.drawer_layout should be in every activity with exactly the same id.
drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
@curioustechizen
curioustechizen / EnhancedCheckBox.java
Last active September 14, 2020 05:50
Android programmatically checkable widgets, differentiate between user clicks & programmatic setChecked calls. Based on this answer on StackOverflow: http://stackoverflow.com/a/14307643/570930. There are times when setting a switch to ON results in some action (Save to DB/ perform an HTTP POST etc). However, you want this action to happen only o…
/**
* An enhanced {@code CheckBox} that differentiates between user clicks and
* programmatic clicks. In particular, the {@code OnCheckedChangeListener} is
* <strong>not</strong> triggered when the state of the checkbox is changed
* programmatically.
*
*/
public class EnhancedCheckBox extends CheckBox implements ProgrammaticallyCheckable{
private CompoundButton.OnCheckedChangeListener mListener = null;
public EnhancedCheckBox(Context context) {
@Pierry
Pierry / IsConnected.java
Created November 22, 2014 17:41
IsConnected class
public static boolean is(Context context) {
try {
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI).isConnected()) {
return true;
} else if(cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).isConnected()){
return true;
} else {
return false;
}
@lapastillaroja
lapastillaroja / DividerItemDecoration.java
Last active November 17, 2023 23:06 — forked from akmalxxx/DividerItemDecoration.java
DividerItemDecoration. RecyclerView.ItemDecoration simple implementation
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.AttributeSet;
import android.view.View;
@jaredrummler
jaredrummler / MenuTint.java
Last active July 6, 2024 16:37
Helper class to set the color and transparency for menu icons in an ActionBar or Toolbar.
/*
* Copyright (C) 2015. Jared Rummler <jared.rummler@gmail.com>
*
* 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