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Android代码速查，写给新手的朋友们 - OPEN开发经验库
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<h1>Android代码速查，写给新手的朋友们 </h1>
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<span class="timestamp">时间 2014-04-12 18:08:30
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<a href="http://m.open-open.com/m/lib/category/177" class="category">Android开发</a>
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<a href="http://m.open-open.com/m/lib/tags/Android">Android</a>
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0 android 创建按钮<br style="word-wrap:break-word;">
<p>Button button = new Button(this);</p>
<p> </p>
1 android 创建输入框<br style="word-wrap:break-word;">
<p>EditText editText = new EditText(this);</p>
<p> </p>
2 android 创建文本<br style="word-wrap:break-word;">
<p>TextView textView = new TextView(this);</p>
<p> </p>
3 android 设置文本显示内容<br style="word-wrap:break-word;">
TextView textView = new TextView(this);<br style="word-wrap:break-word;">
<p>textView.setText("hello world!");</p>
<p> </p>
4 android 设置文本背景色<br style="word-wrap:break-word;">
TextView textView = new TextView(this);<br style="word-wrap:break-word;">
<p>textView.setBackgroundColor(Color.YELLOW);</p>
<p> </p>
5 android 设置文本颜色<br style="word-wrap:break-word;">
TextView textView = new TextView(this);<br style="word-wrap:break-word;">
<p>textView.setTextColor(Color.YELLOW);</p>
<p> </p>
6 android 设置文本文字大小<br style="word-wrap:break-word;">
TextView textView = new TextView(this);<br style="word-wrap:break-word;">
<p>textView.setTextSize(18);</p>
<p> </p>
7 android 设置输入框宽度<br style="word-wrap:break-word;">
EditText editText = new EditText(this);<br style="word-wrap:break-word;">
<p>editText.setWidth(200);</p>
<p> </p>
8 android 设置输入框为密码框<br style="word-wrap:break-word;">
EditText editText = new EditText(this);<br style="word-wrap:break-word;">
editText.setTransformationMethod(<br style="word-wrap:break-word;">
<p>PasswordTransformationMethod.getInstance());</p>
<p> </p>
9 android 设置输入框为密码框（xml配置）<br style="word-wrap:break-word;">
<p>android:password="true"</p>
<p> </p>
10 android 提示对话框的使用<br style="word-wrap:break-word;">
AlertDialog.Builder builder = new AlertDialog.Builder(this);<br style="word-wrap:break-word;">
builder.setTitle("你好");<br style="word-wrap:break-word;">
builder.setPositiveButton("OK",this);<br style="word-wrap:break-word;">
builder.show()<br style="word-wrap:break-word;">
<p>需实现android.content.DialogInterface.OnClickListener接口</p>
<p> </p>
11 android ListView的使用<br style="word-wrap:break-word;">
ListView listView = new ListView(this);<br style="word-wrap:break-word;">
ArrayList<HashMap<String, Object>> list = new ArrayList<HashMap<String, Object>>();<br style="word-wrap:break-word;">