本章主要介绍基本的平常较多使用的控件,包括TextView、EditView、ImageView、Button等。本章将介绍相关控件基本属性的使用,为以后章节的进阶学习提供基础。案例中引用的LinearLayout布局,可先不必深究,后续章节将会详细介绍。
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="TextView" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableLeft="@drawable/tupiao"
android:gravity="center"
android:text="TextView_drawableLeft" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableRight="@drawable/tupiao"
android:gravity="center"
android:text="TextView_drawableRight" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableTop="@drawable/tupiao"
android:gravity="center"
android:text="TextView_drawableTop" />
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableBottom="@drawable/tupiao"
android:gravity="center"
android:text="TextView_drawableBottom" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:text="EditText" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:hint="please input your message! " />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableTop="@drawable/tupiao"
android:gravity="center"
android:hint="please input your message! " />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableTop="@drawable/tupiao"
android:gravity="center"
android:text="EditText" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:drawableLeft="@drawable/tupiao"
android:gravity="center"
android:password="true"
android:text="EditText" />
</LinearLayout>效果截图:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:src="@drawable/image" />
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:color/background_dark"
android:src="@drawable/image" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Button" />
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/button"
android:text="Button" />
<ImageButton
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@drawable/button_with_text" />
</LinearLayout>【ALearning】第三章 Android基本常见控件,布布扣,bubuko.com
原文地址:http://blog.csdn.net/mahoking/article/details/37515399