android - How to resolve problems with different screen sizes? -


i've designed interface when presented on device.

i found difference in size of device , size during presentation emulator.

what sizes suitable devices? see difference between 2 images:

screenshot 1, screenshot 2.

package com.examp.swap_items; import java.util.arraylist; import java.util.list;  import android.r.layout; import android.app.activity; import android.os.bundle; import android.view.menu; import android.view.menuitem; import android.view.view; import android.view.viewgroup; import android.widget.button; import android.widget.horizontalscrollview; import android.widget.tablelayout; import android.widget.tablerow; import android.widget.textview; import android.app.activity; import android.graphics.color; import android.os.bundle; import android.view.contextthemewrapper; import android.view.gravity; import android.widget.tablelayout; import android.widget.tablerow; import android.widget.tablerow.layoutparams; import android.widget.textview; import android.app.activity;  public class mainactivity extends activity {     private boolean showsummaries;      private tablelayout summarytable;     private tablelayout frozentable;     private tablelayout contenttable;     private button backbutton ;     private horizontalscrollview hor;     private textview recyclabletextview;      private string[] allcolors ;     @override     protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);            setcontentview(r.layout.activity_main);              color[] colors = {};               tablerow.layoutparams wrapwraptablerowparams = new tablerow.layoutparams(layoutparams.wrap_content, layoutparams.wrap_content);             int[] fixedcolumnwidths = new int[]{20,20, 20,20, 20, 20};               int[] scrollablecolumnwidths = new int[]{20,20, 20, 20, 20, 20};             int fixedrowheight = 50;             int fixedheaderheight = 60;             tablerow row = new tablerow(this);             //header (fixed vertically)             tablelayout header=(tablelayout)findviewbyid(r.id.table_header);             row.setlayoutparams(wrapwraptablerowparams);             row.setgravity(gravity.center);             row.setbackgroundcolor(color.white);             row.addview(maketablerowwithtext("col1",fixedcolumnwidths[0],fixedheaderheight));             row.addview(maketablerowwithtext("col2",fixedcolumnwidths[1],fixedheaderheight));             row.addview(maketablerowwithtext("col3",fixedcolumnwidths[2],fixedheaderheight));             row.addview(maketablerowwithtext("col4",fixedcolumnwidths[3],fixedheaderheight));             row.addview(maketablerowwithtext("col5",fixedcolumnwidths[4],fixedheaderheight));            // row.addview(maketablerowwithtext("col6", fixedcolumnwidths[5],fixedheaderheight));             header.addview(row);               hor = (horizontalscrollview)findviewbyid(r.id.scroller);             hor.postdelayed(new runnable(){                 public void run() {                     hor.fullscroll(horizontalscrollview.focus_right);                 }},1l);              tablelayout fixedcolumn = (tablelayout) findviewbyid(r.id.scrollable_part2);             //rest of table (within scroll view)             tablelayout scrollablepart = (tablelayout)findviewbyid(r.id.scrollable_part);             for(int = 0; < 10; i++) {                 textview fixedview = maketablerowwithtext("fixed number " + i, scrollablecolumnwidths[0], fixedrowheight);                 fixedview.setbackgroundcolor(color.green);                 fixedview.setgravity(gravity.right);                 fixedcolumn.addview(fixedview);                 row = new tablerow(this);                 row.setlayoutparams(wrapwraptablerowparams);                 row.setgravity(gravity.left);                 if(i==1)row.setbackgroundcolor(color.red);                 if(i==2)row.setbackgroundcolor(color.magenta);                 if(i==3)row.setbackgroundcolor(color.yellow);                 if(i==4)row.setbackgroundcolor(color.gray);                 if(i==5)row.setbackgroundcolor(color.ltgray);                 if(i==6)row.setbackgroundcolor(color.white);                 if(i==7)row.setbackgroundcolor(color.cyan);                 if(i==8)row.setbackgroundcolor(color.transparent);                 if(i==9)row.setbackgroundcolor(color.magenta);                 row.addview(maketablerowwithtext("scroll 1", scrollablecolumnwidths[1], fixedrowheight));                 row.addview(maketablerowwithtext("scroll 2", scrollablecolumnwidths[1], fixedrowheight));                 row.addview(maketablerowwithtext("scroll 3", scrollablecolumnwidths[2], fixedrowheight));                 row.addview(maketablerowwithtext("scroll 4", scrollablecolumnwidths[3], fixedrowheight));                 row.addview(maketablerowwithtext("scroll 5", scrollablecolumnwidths[4], fixedrowheight));                 row.addview(maketablerowwithtext("scroll 6", scrollablecolumnwidths[5], fixedrowheight));                 scrollablepart.addview(row);             }     }      public textview maketablerowwithtext(string text, int widthinpercentofscreenwidth, int fixedheightinpixels) {             int screenwidth = getresources().getdisplaymetrics().widthpixels;             recyclabletextview = new textview(this);             recyclabletextview.settext(text);             recyclabletextview.settextcolor(color.black);             recyclabletextview.settextsize(20);             recyclabletextview.setwidth(widthinpercentofscreenwidth * screenwidth / 100);             recyclabletextview.setheight(fixedheightinpixels);             return recyclabletextview;         }      @override     public boolean oncreateoptionsmenu(menu menu) {         // inflate menu; adds items action bar if present.         getmenuinflater().inflate(r.menu.main, menu);         return true;     }      @override     public boolean onoptionsitemselected(menuitem item) {         // handle action bar item clicks here. action bar         // automatically handle clicks on home/up button, long         // specify parent activity in androidmanifest.xml.         int id = item.getitemid();         if (id == r.id.action_settings) {             return true;         }         return super.onoptionsitemselected(item);     } }

and 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"     android:gravity="right"     android:id="@+id/fillable_area">     <tablelayout       android:gravity="right"       android:id="@+id/table_header"       android:layout_width="fill_parent"       android:layout_height="wrap_content"/>     <scrollview         android:layout_width="fill_parent"         android:layout_height="wrap_content">    <linearlayout android:orientation="horizontal"         android:layout_width="match_parent"         android:layout_height="match_parent">           <horizontalscrollview          android:id="@+id/scroller"          android:layout_width="0dp"          android:layout_weight="1"          android:layout_height="wrap_content">               <tablelayout                 android:id="@+id/scrollable_part"                 android:layout_width="fill_parent"                 android:layout_height="fill_parent"/>          </horizontalscrollview>           <tablelayout                 android:id="@+id/scrollable_part2"                 android:layout_width="wrap_content"                 android:layout_height="wrap_content"/>     </linearlayout>      </scrollview>  </linearlayout>

you assign weights instead of gravity? i'm not sure. maybe match_parent instead of fill_parent? not sure, still noob making apps , stuff. please vote.


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