Android常用UI組件,androidui
TextView是Android裡面用的最多的UI組件,一般使用在需要顯示一些資訊的時候,其不能輸入,只能初始設定或者在程式中修改。
執行個體:TextViewDemo運行效果:
代碼清單:布局檔案:main.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" ><TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="這裡是TextView,你可以在這裡顯示一些文本資訊。" /></LinearLayout>
Java原始碼檔案:MainActivity.java
package com.rainsong.textviewdemo;import android.app.Activity;import android.os.Bundle;public class MainActivity extends Activity{ /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); }}
API知識點
Activitypublic classActivityextends ContextThemeWrapperimplements ComponentCallbacks2 KeyEvent.Callback LayoutInflater.Factory2 View.OnCreateContextMenuListener Window.Callback
Known Direct SubclassesAccountAuthenticatorActivity, ActivityGroup, AliasActivity, ExpandableListActivity, FragmentActivity, ListActivity, NativeActivity
Known Indirect SubclassesLauncherActivity, PreferenceActivity, TabActivity
void setContentView(int layoutResID)Set the activity content from a layout resource.
TextViewpublic classTextViewextends Viewimplements ViewTreeObserver.OnPreDrawListener
Known Direct SubclassesButton, CheckedTextView, Chronometer, DigitalClock, EditText, TextClock
Known Indirect SubclassesAutoCompleteTextView, CheckBox, CompoundButton, ExtractEditText, MultiAutoCompleteTextView, RadioButton, Switch, ToggleButton
Class OverviewDisplays text to the user and optionally allows them to edit it. A TextView is a complete text editor, however the basic class is configured to not allow editing; see EditText for a subclass that configures the text view for editing.
Public ConstructorsTextView(Context context)TextView(Context context, AttributeSet attrs)TextView(Context context, AttributeSet attrs, int defStyle)
有沒有人用過第三方開源的android UI組件介紹一下
樓主耐心地繼續學習吧,你對android瞭解的看起來太少了。不存在你描述的那個問題。耐心點。
一步一個腳印。
軌跡:簡單熟悉android系統提供的控制項--》熟練使用系統控制項,更改各種控制項樣式--》深入研究源碼,自訂自己的控制項--》。。。
有沒有人用過第三方開源的android UI組件介紹一下
雖然表現不一樣,但是一樣能生效啊, 你如果想自己做一個固定的UI介面,得用低級UI.