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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* Copyright (C) 2010 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
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.internal.app;
import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.annotation.Nullable;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.ContentResolver;
import android.content.Intent;
import android.content.res.ColorStateList;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.Outline;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PixelFormat;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.RippleDrawable;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.OvalShape;
import android.os.Bundle;
import android.provider.Settings;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewOutlineProvider;
import android.view.animation.PathInterpolator;
import android.widget.FrameLayout;
import android.widget.ImageView;
public class PlatLogoActivity extends Activity {
FrameLayout mLayout;
int mTapCount;
int mKeyCount;
PathInterpolator mInterpolator = new PathInterpolator(0f, 0f, 0.5f, 1f);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mLayout = new FrameLayout(this);
setContentView(mLayout);
}
@Override
public void onAttachedToWindow() {
final DisplayMetrics dm = getResources().getDisplayMetrics();
final float dp = dm.density;
final int size = (int)
(Math.min(Math.min(dm.widthPixels, dm.heightPixels), 600*dp) - 100*dp);
final View im = new View(this);
im.setTranslationZ(20);
im.setScaleX(0.5f);
im.setScaleY(0.5f);
im.setAlpha(0f);
im.setOutlineProvider(new ViewOutlineProvider() {
@Override
public void getOutline(View view, Outline outline) {
final int pad = (int) (8 * dp);
outline.setOval(pad, pad, view.getWidth() - pad, view.getHeight() - pad);
}
});
final float hue = (float) Math.random();
final Paint bgPaint = new Paint();
bgPaint.setColor(Color.HSBtoColor(hue, 0.4f, 1f));
final Paint fgPaint = new Paint();
fgPaint.setColor(Color.HSBtoColor(hue, 0.5f, 1f));
final Drawable M = getDrawable(com.android.internal.R.drawable.platlogo_m);
final Drawable platlogo = new Drawable() {
@Override
public void setAlpha(int alpha) { }
@Override
public void setColorFilter(@Nullable ColorFilter colorFilter) { }
@Override
public int getOpacity() {
return PixelFormat.TRANSLUCENT;
}
@Override
public void draw(Canvas c) {
final float r = c.getWidth() / 2f;
c.drawCircle(r, r, r, bgPaint);
c.drawArc(0, 0, 2 * r, 2 * r, 135, 180, false, fgPaint);
M.setBounds(0, 0, c.getWidth(), c.getHeight());
M.draw(c);
}
};
im.setBackground(new RippleDrawable(
ColorStateList.valueOf(0xFFFFFFFF),
platlogo,
null));
im.setOutlineProvider(new ViewOutlineProvider() {
@Override
public void getOutline(View view, Outline outline) {
outline.setOval(0, 0, view.getWidth(), view.getHeight());
}
});
im.setClickable(true);
im.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mTapCount == 0) {
showMarshmallow(im);
}
im.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
if (mTapCount < 5) return false;
final ContentResolver cr = getContentResolver();
if (Settings.System.getLong(cr, Settings.System.EGG_MODE, 0)
== 0) {
// For posterity: the moment this user unlocked the easter egg
try {
Settings.System.putLong(cr,
Settings.System.EGG_MODE,
System.currentTimeMillis());
} catch (RuntimeException e) {
Log.e("PlatLogoActivity", "Can't write settings", e);
}
}
im.post(new Runnable() {
@Override
public void run() {
try {
startActivity(new Intent(Intent.ACTION_MAIN)
.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_CLEAR_TASK
| Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS)
.addCategory("com.android.internal.category.PLATLOGO"));
} catch (ActivityNotFoundException ex) {
Log.e("PlatLogoActivity", "No more eggs.");
}
finish();
}
});
return true;
}
});
mTapCount++;
}
});
// Enable hardware keyboard input for TV compatibility.
im.setFocusable(true);
im.requestFocus();
im.setOnKeyListener(new View.OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode != KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_DOWN) {
if (mKeyCount == 0) {
showMarshmallow(im);
}
++mKeyCount;
if (mKeyCount > 2) {
if (mTapCount > 5) {
im.performLongClick();
} else {
im.performClick();
}
}
return true;
} else {
return false;
}
}
});
mLayout.addView(im, new FrameLayout.LayoutParams(size, size, Gravity.CENTER));
im.animate().scaleX(1f).scaleY(1f).alpha(1f)
.setInterpolator(mInterpolator)
.setDuration(500)
.setStartDelay(800)
.start();
}
public void showMarshmallow(View im) {
final Drawable fg = getDrawable(com.android.internal.R.drawable.platlogo);
fg.setBounds(0, 0, im.getWidth(), im.getHeight());
fg.setAlpha(0);
im.getOverlay().add(fg);
final Animator fadeIn = ObjectAnimator.ofInt(fg, "alpha", 255);
fadeIn.setInterpolator(mInterpolator);
fadeIn.setDuration(300);
fadeIn.start();
}
}
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