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- <RelativeLayout android:layout_width="fill_parent"
- android:layout_height="fill_parent">
- <FrameLayout android:id="@+id/logoLayout"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content">
- -- some images
- </FrameLayout>
- <RelativeLayout android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:gravity="center"
- android:orientation="vertical"
- android:layout_below="@+id/logoLayout">
- Button 1
- Button 2
- Button 3
- Button 4
- </RelativeLayout>
- <RelativeLayout android:orientation="horizontal"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:layout_margin="5dip"
- android:layout_alignParentBottom="true">
- Button 5
- </RelativeLayout>
- <RelativeLayout>
- <?xml version="1.0" encoding="utf-8"?>
- <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- android:background="@drawable/background">
- <!--The header of the page-->
- <FrameLayout android:id="@+id/logoLayout"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content">
- <ImageView android:id="@+id/logoBackground"
- android:src="@drawable/logo_background_small"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"/>
- <ImageView android:id="@+id/logoImage"
- android:src="@drawable/logo_small"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_gravity="left"
- android:gravity="center"
- android:padding="3dip"/>
- <TextView android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:text="@string/tracks"
- android:layout_gravity="center"
- android:gravity="right"
- android:textSize="22dip"
- android:textColor="#ffffff"
- android:padding="3dip">
- </TextView>
- </FrameLayout>
- <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:gravity="center"
- android:orientation="vertical"
- android:layout_below="@+id/logoLayout">
- <Button android:id="@+id/btn1"
- android:layout_height="wrap_content"
- android:layout_width="250dip"
- android:drawableLeft="@drawable/img_small_btn_look_around"
- android:background="@drawable/main_long_menu_button"
- android:text="@string/btn1"
- android:textSize="18dip"
- android:textColor="#ffffff"
- android:layout_marginTop="20dip"
- android:onClick="btnMyTracksOnClick">
- </Button>
- <Button android:id="@+id/btn2"
- android:layout_height="wrap_content"
- android:layout_width="250dip"
- android:drawableLeft="@drawable/img_small_btn_look_around"
- android:background="@drawable/main_long_menu_button"
- android:text="@string/btn2"
- android:textSize="18dip"
- android:textColor="#ffffff"
- android:layout_marginTop="20dip"
- android:layout_below="@+id/btn1">
- </Button>
- <Button android:id="@+id/btn3"
- android:layout_height="wrap_content"
- android:layout_width="250dip"
- android:drawableLeft="@drawable/img_small_btn_look_around"
- android:background="@drawable/main_long_menu_button"
- android:text="@string/btn3"
- android:textSize="18dip"
- android:textColor="#ffffff"
- android:layout_marginTop="20dip"
- android:layout_below="@+id/btn2">
- </Button>
- <Button android:id="@+id/btn4"
- android:layout_height="wrap_content"
- android:layout_width="250dip"
- android:drawableLeft="@drawable/img_small_btn_look_around"
- android:background="@drawable/main_long_menu_button"
- android:text="@string/btn4"
- android:textSize="18dip"
- android:textColor="#ffffff"
- android:layout_marginTop="20dip"
- android:layout_below="@+id/bt3">
- </Button>
- </RelativeLayout>
- <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:orientation="horizontal"
- android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:layout_margin="5dip"
- android:layout_alignParentBottom="true">
- <Button android:layout_width="90dip"
- android:layout_height="wrap_content"
- android:textSize="20dip"
- android:textColor="#ffffff"
- android:layout_alignParentLeft="true"
- android:background="@drawable/sett_menu_button"
- android:text="@string/back"
- android:layout_marginLeft="3dip"/>
- </RelativeLayout>
- </RelativeLayout>
- <RelativeLayout android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:gravity="center"
- android:orientation="vertical"
- android:layout_below="@+id/logoLayout">
- Button 1
- Button 2
- Button 3
- Button 4
- </RelativeLayout>
- <LinearLayout android:layout_width="fill_parent"
- android:layout_height="wrap_content"
- android:gravity="center"
- android:orientation="vertical"
- android:layout_below="@+id/logoLayout">
- <!-- example button -->
- <Button android:layout_width="fill_parent"
- android:layout_height="wrap_content" android:layout_weight="1"></Button>
- </LinearLayout>
- ------- parent container top ------------
- |
- |
- |
- [label1 (auto expand)]
- |
- |
- |
- [label2 (fixed height)]
- ------- parent container bottom ------------
- package com.zhang.relodemo;
- import android.graphics.Color;
- import android.support.v7.app.AppCompatActivity;
- import android.os.Bundle;
- import android.view.Gravity;
- import android.view.View;
- import android.view.ViewGroup;
- import android.widget.RelativeLayout;
- import android.widget.TextView;
- public class MainActivity extends AppCompatActivity {
- // ---------------------------------------------------
- // Member Variables
- // ---------------------------------------------------
- RelativeLayout container;
- TextView label1;
- TextView label2;
- // ---------------------------------------------------
- // Property Methods
- // ---------------------------------------------------
- public RelativeLayout getContainer() {
- return container;
- }
- public void setContainer(RelativeLayout container) {
- this.container = container;
- }
- public TextView getLabel1() {
- return label1;
- }
- public void setLabel1(TextView label1) {
- this.label1 = label1;
- }
- public TextView getLabel2() {
- return label2;
- }
- public void setLabel2(TextView label2) {
- this.label2 = label2;
- }
- // ---------------------------------------------------
- // Methods
- // ---------------------------------------------------
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- initViews();
- initLayouts();
- addViews();
- }
- void initViews() {
- container = new RelativeLayout(this);
- label1 = new TextView(this);
- label1.setText("The quick brown fox jumped over the lazy dog.");
- label1.setBackgroundColor(Color.LTGRAY);
- label1.setGravity(Gravity.CENTER);
- label1.setTextSize(20);
- label2 = new TextView(this);
- label2.setText("Label 2 is a short label compared to label1.It has two lines but take up a fraction of the space.");
- label2.setBackgroundColor(Color.GRAY);
- label2.setTextSize(20);
- label2.setTextAlignment(View.TEXT_ALIGNMENT_CENTER);
- }
- void initLayouts() {
- container.setId(View.generateViewId());
- label1.setId(View.generateViewId());
- label2.setId(View.generateViewId());
- // ---------------------------------------------------
- // Parent Container Constraints
- // ---------------------------------------------------
- RelativeLayout.LayoutParams containerLayoutParams = new RelativeLayout.LayoutParams(
- ViewGroup.LayoutParams.MATCH_PARENT,
- ViewGroup.LayoutParams.MATCH_PARENT
- );
- container.setLayoutParams(containerLayoutParams);
- // ---------------------------------------------------
- // Label Constraints
- // ---------------------------------------------------
- RelativeLayout.LayoutParams label1LayoutParams = new RelativeLayout.LayoutParams(
- ViewGroup.LayoutParams.MATCH_PARENT,
- ViewGroup.LayoutParams.MATCH_PARENT
- );
- // --------------------------------------
- // THIS IS THE IMPORTANT STEP HERE
- //
- // It tells label1 to be above label2
- // while expanding vertically.
- // --------------------------------------
- label1LayoutParams.addRule(RelativeLayout.ABOVE, label2.getId());
- label1.setLayoutParams(label1LayoutParams);
- RelativeLayout.LayoutParams label2LayoutParams = new RelativeLayout.LayoutParams(
- ViewGroup.LayoutParams.MATCH_PARENT,
- ViewGroup.LayoutParams.WRAP_CONTENT
- );
- // ------------------------------------------
- // this pins label2 to the parent
- // container's bottom, preventing label1
- // from forcing label2 off bottom of screen
- // ------------------------------------------
- label2LayoutParams.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
- label2.setLayoutParams(label2LayoutParams);
- }
- void addViews() {
- getContainer().addView(getLabel1());
- getContainer().addView(getLabel2());
- this.setContentView(getContainer());
- }
- }
- <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- android:id="@+id/container">
- <TextView
- android:id="@+id/label1"
- android:text="The quick brown fox jumped over the lazy dog."
- android:background="#ccc"
- android:gravity="center"
- android:textSize="20sp"
- android:textAlignment="center"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- android:layout_above="@id/label2" />
- <TextView
- android:id="@+id/label2"
- android:text="Label 2 is a short label compared to label1.It has two lines but take up a fraction of the space."
- android:background="@android:color/darker_gray"
- android:textSize="20sp"
- android:textAlignment="center"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:layout_alignParentBottom="true"/>
- </RelativeLayout>
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