Skip to content

Instantly share code, notes, and snippets.

@johnkil
johnkil / Log.java
Created October 10, 2012 12:12
Оverride class android.util.Log
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import travel.opas.core.Consts;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Process;
import android.text.format.DateFormat;
@johnkil
johnkil / FeedbackAndroid.java
Created November 10, 2012 09:57 — forked from TomTasche/feedback_android.java
Use built-in feedback mechanism on Android
// more information here: http://blog.tomtasche.at/2012/10/use-built-in-feedback-mechanism-on.html
try {
int i = 3 / 0;
} catch (Exception e) {
ApplicationErrorReport report = new ApplicationErrorReport();
report.packageName = report.processName = getApplication()
.getPackageName();
report.time = System.currentTimeMillis();
report.type = ApplicationErrorReport.TYPE_CRASH;
@jgilfelt
jgilfelt / main.xml
Created December 17, 2012 07:28
"fix" for black surface artefact left by MapFragment when transitioned in a ViewPager on old API versions
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<FrameLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1" >
@JakeWharton
JakeWharton / BindingAdapter.java
Last active July 25, 2023 05:49
An adapter base class that uses a new/bind pattern for its views.
// Apache 2.0 licensed.
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
/** An implementation of {@link BaseAdapter} which uses the new/bind pattern for its views. */
public abstract class BindableAdapter<T> extends BaseAdapter {
@romannurik
romannurik / AndroidCreateGhostIcon.java
Created June 14, 2013 06:28
Android ColorMatrixColorFilter example: Creates a 'ghost' bitmap version of the given source drawable (ideally a BitmapDrawable). In the ghost bitmap, the RGB values take on the values from the 'color' argument, while the alpha values are derived from the source's grayscaled RGB values. The effect is that you can see through darker parts of the …
/**
* Creates a 'ghost' bitmap version of the given source drawable (ideally a BitmapDrawable).
* In the ghost bitmap, the RGB values take on the values from the 'color' argument, while
* the alpha values are derived from the source's grayscaled RGB values. The effect is that
* you can see through darker parts of the source bitmap, while lighter parts show up as
* the given color. The 'invert' argument inverts the computation of alpha values, and looks
* best when the given color is a dark.
*/
private Bitmap createGhostIcon(Drawable src, int color, boolean invert) {
int width = src.getIntrinsicWidth();
@eveliotc
eveliotc / RoundedAvatarDrawable.java
Created July 22, 2013 04:59
RoundedAvatarDrawable: A Drawable that draws an oval with given {@link Bitmap} See http://evel.io/2013/07/21/rounded-avatars-in-android/
/*
* Copyright 2013 Evelio Tarazona Cáceres <[email protected]>
*
* 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
@xalexchen
xalexchen / ShadowLayout.java
Last active June 14, 2021 23:30
Android custom layout paints a drop shadow behind all children
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BlurMaskFilter;
import android.graphics.BlurMaskFilter.Blur;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.graphics.RectF;
@xalexchen
xalexchen / KeyframeAnimation.java
Created September 17, 2013 05:44
This example shows how to use AnimationDrawable to construct a keyframe animation where each frame is shown for a specified duration.
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.drawable.AnimationDrawable;
import android.graphics.drawable.BitmapDrawable;
import android.os.Bundle;
import android.view.View;
import android.widget.ImageView;
@xalexchen
xalexchen / LiveButton.java
Created September 28, 2013 02:14
This app shows a simple application of anticipation and follow-through techniques as the button animates into its pressed state and animates back out of it, overshooting end state before resolving.
import android.app.Activity;
import android.os.Bundle;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.OvershootInterpolator;
import android.widget.Button;
/**
* This app shows a simple application of anticipation and follow-through techniques as
@cyrilmottier
cyrilmottier / AndroidManifest.xml
Last active January 30, 2023 00:04
Android example of how to add a custom logo to the ActionBar and ensure the best possible matching starting Window.
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.cyrilmottier.android.anapp">
<!-- ... -->
<application
android:icon="@drawable/ic_launcher"
android:label="@string/config_app_name"
android:theme="@style/Theme.AnApp" >