i have piece of code shows static text, edit text search box , submit button submit query .
the code kind of looks :
public class myactivity extends activity { textview textview; private edittext edittext; button button; @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_mine); textview = (textview) findviewbyid(r.id.textview1); textview.settext("enter search string :"); addkeylistener(); addlisteneronbutton(); } //implement method public void addkeylistener() { // edit text component edittext = (edittext) findviewbyid(r.id.searchtext); // add key listener keep track user input edittext.setonkeylistener(new onkeylistener() { public boolean onkey(view v, int keycode, keyevent event) { // if key down , "enter" pressed if ((event.getaction() == keyevent.action_down) && (keycode == keyevent.keycode_enter)) { // display floating message toast.maketext(recipeactivity.this, edittext.gettext(), toast.length_long).show(); return true; } else if ((event.getaction() == keyevent.action_down) && (keycode == keyevent.keycode_9)) { // display floating message toast.maketext(recipeactivity.this, "aboriginal text!", toast.length_long).show(); return true; } return false; } }); } //implement button public void addlisteneronbutton() { button = (button) findviewbyid(r.id.button1); button.setonclicklistener(new onclicklistener() { @override public void onclick(view arg0) { /* capture search string here */ } }); } } the activity screen comes :
edit : xml layout:
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingbottom="@dimen/activity_vertical_margin" android:paddingleft="@dimen/activity_horizontal_margin" android:paddingright="@dimen/activity_horizontal_margin" android:paddingtop="@dimen/activity_vertical_margin" tools:context=".recipeactivity" > <textview android:id="@+id/textview1" android:layout_width="wrap_content" android:layout_height="wrap_content"> </textview> <edittext android:id="@+id/searchtext" android:layout_width="match_parent" android:layout_height="wrap_content" android:label="@string/search_label" android:hint="@string/search_hint" > <requestfocus /> </edittext> <button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="submit" /> </relativelayout> as can see submit button overlapping edit text search box. how can make button element come down ?
it better use linearlayout android:orientation="vertical" in xml layout because it's cheaper relativelayout render.
solution linearlayout
<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:id="@+id/textview1" android:layout_width="wrap_content" android:layout_height="wrap_content"/> <edittext android:id="@+id/searchtext" android:layout_width="match_parent" android:layout_height="wrap_content"/> <button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="submit" /> </linearlayout> if have use relativelayout:
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <textview android:id="@+id/textview1" android:layout_width="wrap_content" android:layout_height="wrap_content"/> <edittext android:id="@+id/searchtext" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@id/textview1"/> <button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@id/searchtext" android:text="submit" /> </relativelayout> see relativelayout documentation further informations.
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