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RSS订阅原创 Implicit Intent--含蓄的intent
通过intent调用打电话，打开地图、打开浏览器，创建邮件，创建事件的操作截图：代码package com.example.hellointent;import java.util.Calendar;import java.util.List;import org.apache.http.protocol.HTTP;import android.net.Uri;
2014-05-28 15:16:48
980
原创 canvas.save() canvas.restore() 作用
这里canvas.save();和canvas.restore();是两个相互匹配出现的，作用是用来保存画布的状态和取出保存的状态的。这里稍微解释一下， 当我们对画布进行旋转，缩放，平移等操作的时候其实我们是想对特定的元素进行操作，比如图片，一个矩形等，但是当你用canvas的方法来进行这些操作的时候，其实是对整个画布进行了操作，那么之后在画布上的元素都会受到影响，所以我们在操作之前调用
2014-05-23 15:13:15
745
转载 Drawable Mutations(Android Drawable 深入分析)
Drawable Mutations(Android Drawable 深入分析)这篇文章帮助你更好了解Android's drawables对象，这篇文章描述现象你可以不知道，但是当你遇到了该问题也许一两天也不一定找到解决方案。Android's drawables对编写程序是非常有用的。A Drawable通常是一个与view相关的插件后的画图容器。例如。一个aBitmapDr
2014-05-23 14:32:17
395
转载 Paint类介绍
/** * Paint类介绍 * * Paint即画笔，在绘图过程中起到了极其重要的作用，画笔主要保存了颜色， * 样式等绘制信息，指定了如何绘制文本和图形，画笔对象有很多设置方法， * 大体上可以分为两类，一类与图形绘制相关，一类与文本绘制相关。 *
2014-05-23 14:21:09
481
转载 抗锯齿方法两种setAntiAlias setBitmapFilter
在Android中，目前，我知道有两种出现锯齿的情况。 ① 当我们用Canvas绘制位图的时候，如果对位图进行了选择，则位图会出现锯齿。 ② 在用View的RotateAnimation做动画时候，如果View当中包含有大量的图形，也会出现锯齿。我们分别以这两种情况加以考虑。 用Canvas绘制位的的情况。在用Canvas绘制位图时，一般地，我们使用drawBitmap函数家族，在这些
2014-05-23 14:02:39
4304
原创 3001-os-morse-code
通过震动识别数字/* * Copyright (C) 2007 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 Lice
2014-05-21 18:07:11
484
原创 2H03-view-radio-group-rating-bar
/* * Copyright (C) 2007 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. * Yo
2014-05-21 17:06:57
659
原创 2G03-view-radio-group
注意两点1.通过android:checkedButton="@+id/lunch"而不是item中的 android:checked="true"设置的某人被选中状态 <RadioGroup android:layout_width="match_parent" android:layout_height="wrap_content" a
2014-05-21 16:41:42
611
1
原创 2F03-view-progress-indeterminate-in-title-bar
介绍在在title bar上显示indeterminate progress/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file
2014-05-21 16:26:33
560
原创 2F01-view-progress-bar-incremental
是设置requestWindowFeature(Window.FEATURE_PROGRESS);title显示为progress
2014-05-21 16:11:08
483
原创 2E08-view-lists-Array(overlay)
介绍一个list滑动时通过一个text提示Array首字母位置的应用/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file exce
2014-05-21 15:48:55
869
原创 2E06-view-lists-separators
介绍通过方法 @Override public boolean areAllItemsEnabled() { return false; }@Overridepublic boolean isEnabled(int position) { return !mStrings[position].startsWith("-");}设置list的可以选和不可选注意有
2014-05-21 14:48:58
574
原创 2E05-view-lists-cursor-people-phone
介绍是用Cursor和SimpleCursorAdapter实现listPeople list
2014-05-21 14:34:20
471
原创 2E02-View-Lists-multiple -choice-list
介绍一个多选list/* * Copyright (C) 2008 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 th
2014-05-21 13:55:56
727
原创 2D01-View-Layout-Table-Layout
android:layout_column="1" 控制Table View在第几列： <TextView android:layout_column="1" android:text="@string/table_layout_6_open" android:padding="3dip" /> android
2014-05-21 11:49:28
610
原创 2C03-View-Layout-Animation-list-Reverse-Order
介绍list item倒序显示LayoutAnimation3.java/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file e
2014-05-20 14:27:21
526
原创 2C02-View-Layout-Animation-list-Cascade
描述list layout item有上倒下依次显示的代码实现形式LayoutAnimation2.java/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may no
2014-05-20 14:21:10
641
原创 2C01-View-Layout-Animation-Grid-Fade
介绍一个grid layout 顺序显示的代码LayoutAnimation1.java/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use th
2014-05-20 14:15:08
784
原创 2B01-View-Switcher
Gallery和swithcer联合使用/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in complian
2014-05-19 13:46:25
705
原创 2A01-View-Grid
描述网格包括手机上所有lunch icon/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance
2014-05-19 12:15:39
447
原创 2901-View-Gallery
介绍一个Cursor的Gallery/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance wit
2014-05-19 12:08:09
375
原创 2701-View-Expandable
1.通过ExpandableListActivity实现一个ExpandableList并实现点击list 显示menu的操作
2014-05-16 15:55:43
411
原创 2601-View-Date-Widgets
描述 创建一个TimePickerDialogreturn new TimePickerDialog(this, mTimeSetListener, mHour, mMinute, false);
2014-05-16 15:10:37
322
原创 2501-View-custom
显示一个自定义的view/* * Copyright (C) 2007 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
2014-05-16 14:13:53
472
原创 2301-View-chronometer
介绍chronometer秒表/* * Copyright (C) 2007 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 t
2014-05-15 18:07:57
281
原创 2102-View-auto-complete-mutiple-item
展示多选输入/* * Copyright (C) 2007 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 Licens
2014-05-15 17:41:58
405
原创 2101-view-autocomplete
介绍使用CursorAdapter实现autocomplete/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in c
2014-05-15 15:55:06
360
原创 2004-view-animation-shake
介绍EditText颤抖的动画效果Animation1.java/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except
2014-05-15 14:08:53
571
原创 2003-view-Animation-push
介绍ViewFlipperViewFlipperSimple ViewAnimator that will animate between two or more views that have been added to it. Only one child is shown at a time. If requested, can automatically flip betwee
2014-05-15 14:01:18
641
原创 2002-View-Animation-interpolator
介绍animation的校对器/* * Copyright (C) 2009 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 t
2014-05-15 11:56:32
328
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