I have moved this over to the Tech Interview Cheat Sheet Repo and has been expanded and even has code challenges you can run and practice against!
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/* | |
* Copyright 2014 Chris Banes | |
* | |
* 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 |
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package com.eje_c.matrixtest; | |
import android.app.Activity; | |
import android.graphics.Bitmap; | |
import android.graphics.BitmapFactory; | |
import android.graphics.Canvas; | |
import android.graphics.Color; | |
import android.graphics.Matrix; | |
import android.graphics.Paint; | |
import android.os.Bundle; |
- Two of the most useful shortcuts utilize the Fn (function) keys. It is therefore recommended that you enable the "Use all F1, F2, etc. keys as standard function keys" option [System Preferences > Keyboard].
- Be sure to enable the Mac OS X 10.5+ keymap in Android Studio [Preferences > Keymap].
- A fairly complete shortcut list can be found here.
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/* | |
* Copyright (C) 2013 The Android Open Source Project | |
* | |
* 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 |
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import android.graphics.Rect; | |
import android.view.TouchDelegate; | |
import android.view.View; | |
import com.google.common.base.Optional; | |
import com.google.common.base.Preconditions; | |
/** | |
* Utility used to extend the touchable area around a view in a viewgroup | |
* Usage: TouchAreaExtender.Builder.with(mReJamCaptionInput) |
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public static void expandViewTouchDelegate(final View view, final int top, | |
final int bottom, final int left, final int right) { | |
((View) view.getParent()).post(new Runnable() { | |
@Override | |
public void run() { | |
Rect bounds = new Rect(); | |
view.setEnabled(true); | |
view.getHitRect(bounds); |
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@TargetApi(Build.VERSION_CODES.KITKAT) | |
public static String getPath(final Context context, final Uri uri) { | |
final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT; | |
// DocumentProvider | |
if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) { | |
// ExternalStorageProvider | |
if (isExternalStorageDocument(uri)) { | |
final String docId = DocumentsContract.getDocumentId(uri); |
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import android.app.Activity; | |
import android.graphics.Bitmap; | |
import android.graphics.Canvas; | |
import android.graphics.Color; | |
import android.graphics.Paint; | |
import android.graphics.Path; | |
import android.os.Bundle; | |
import android.support.v7.app.ActionBarActivity; | |
import android.view.MotionEvent; | |
import android.view.View; |
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public class JSONUtils { | |
/** | |
* Open a json file from raw and construct as class using Gson. | |
* | |
* @param resources | |
* @param resId | |
* @param classType | |
* @param <T> | |
* @return |