Android之UI编程(一):线性布局
package com.example.fk_layout; import android.app.Activity; import android.os.Bundle; public class LinearLayout extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.linear_layout); } }
linear_layout.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" android:gravity="top|center_horizontal"> <Button android:id="@+id/btn1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/btn1" /> <Button android:id="@+id/btn2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/btn2" /> <Button android:id="@+id/btn3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/btn3" /> <Button android:id="@+id/btn4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/btn4" /> </LinearLayout>
string.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <string name="app_name">fk_layout</string> <string name="hello_world">Hello world!</string> <string name="btn1">测试按钮1</string> <string name="btn2">测试按钮2</string> <string name="btn3">测试按钮3</string> <string name="btn4">测试按钮4</string> </resources>