java - Best way to make a 3x3 image button layout for android studio -


i looking make android version (i started learning how use android studio). have difficulties layout. want make 3x3 image button on main activity don't know how fix sizes fit screens. in xcode (ios), drag , resize , set constraints i'm having trouble doing in android studio.

can tell me how it? or @ least redirect me post or video me?

you can use gridview or can implement using linearlayout this. check out xml layout work you.

 <?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:card_view="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:background="#d3d3d3" tools:context=".ui.mainactivity">  <android.support.v7.widget.toolbar xmlns:android="http://schemas.android.com/apk/res/android"     android:id="@+id/toolbar"     android:layout_width="match_parent"     android:layout_height="wrap_content"     android:background="?attr/colorprimary" />  <linearlayout     android:layout_width="match_parent"     android:layout_height="match_parent"     android:orientation="vertical"     android:weightsum="3">      <linearlayout         android:layout_width="match_parent"         android:layout_height="0dp"         android:layout_weight="1"         android:layout_margin="2.5dp"         android:orientation="horizontal"         android:weightsum="3">          <linearlayout             android:id="@+id/l1"             android:layout_width="0dp"             android:layout_height="match_parent"             android:layout_weight="1"             android:layout_margin="5dp"             android:background="@android:color/white"             android:orientation="vertical"             >             <imageview                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:scaletype="fitcenter"                 android:src="@drawable/hath_back_icon" />          </linearlayout>          <linearlayout             android:id="@+id/l2"             android:layout_width="0dp"             android:layout_height="match_parent"             android:layout_weight="1"             android:background="@android:color/white"             android:layout_margin="5dp"             android:orientation="vertical"             >             <imageview                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:scaletype="fitcenter"                 android:src="@drawable/hath_back_icon" />         </linearlayout>          <linearlayout             android:id="@+id/l3"             android:layout_width="0dp"             android:layout_height="match_parent"             android:layout_weight="1"             android:layout_margin="5dp"             android:background="@android:color/white"             android:orientation="vertical"             >             <imageview                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:scaletype="fitcenter"                 android:src="@drawable/hath_back_icon" />         </linearlayout>      </linearlayout>      <linearlayout         android:layout_width="match_parent"         android:layout_height="0dp"         android:layout_weight="1"         android:layout_margin="2.5dp"         android:weightsum="3">          <linearlayout             android:id="@+id/l4"             android:layout_width="0dp"             android:layout_height="match_parent"             android:layout_weight="1"             android:layout_margin="5dp"             android:background="@android:color/white"             android:orientation="vertical"             >             <imageview                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:scaletype="fitcenter"                 android:src="@drawable/hath_back_icon" />         </linearlayout>          <linearlayout             android:id="@+id/l5"             android:layout_width="0dp"             android:layout_height="match_parent"             android:layout_weight="1"             android:background="@android:color/white"             android:layout_margin="5dp"             android:orientation="vertical"             >             <imageview                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:scaletype="fitcenter"                 android:src="@drawable/hath_back_icon" />         </linearlayout>          <linearlayout             android:id="@+id/l6"             android:layout_width="0dp"             android:layout_height="match_parent"             android:layout_weight="1"             android:layout_margin="5dp"             android:background="@android:color/white"             android:orientation="vertical"             >             <imageview                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:scaletype="fitcenter"                 android:src="@drawable/hath_back_icon" />         </linearlayout>      </linearlayout>      <linearlayout         android:layout_width="match_parent"         android:layout_height="0dp"         android:layout_weight="1"         android:layout_margin="2.5dp"         android:weightsum="3">          <linearlayout             android:id="@+id/l7"             android:layout_width="0dp"             android:layout_height="match_parent"             android:layout_weight="1"             android:layout_margin="5dp"             android:background="@android:color/white"             android:orientation="vertical"             >             <imageview                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:scaletype="fitcenter"                 android:src="@drawable/hath_back_icon" />         </linearlayout>          <linearlayout             android:id="@+id/l8"             android:layout_width="0dp"             android:layout_height="match_parent"             android:layout_weight="1"             android:background="@android:color/white"             android:layout_margin="5dp"             android:orientation="vertical"             >             <imageview                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:scaletype="fitcenter"                 android:src="@drawable/hath_back_icon" />         </linearlayout>          <linearlayout             android:id="@+id/l9"             android:layout_width="0dp"             android:layout_height="match_parent"             android:layout_weight="1"             android:layout_margin="5dp"             android:background="@android:color/white"             android:orientation="vertical"             >             <imageview                 android:layout_width="match_parent"                 android:layout_height="match_parent"                 android:scaletype="fitcenter"                 android:src="@drawable/hath_back_icon" />         </linearlayout>     </linearlayout>   </linearlayout>


-

Comments

Post a Comment

Popular posts from this blog

amazon web services - S3 Pre-signed POST validate file type? -

i know it's possible put limit on file size content-length-range header. possible validate file type? https://docs.aws.amazon.com/amazons3/latest/dev/httppostforms.html#policyconditions i see there content-type header, if set say, audio/mp3 allow mp3 files , return error if file not mp3? i found previous question answers mention validating file size: s3 direct upload restricting file size , type you can specify content-type @ post request. you can specify @ signature, post must done content-type: { "expiration": "2007-12-01t12:00:00.000z", "conditions": [ {"acl": "public-read" }, {"bucket": "johnsmith" }, {"content-type: "audio/mp3"} ] } creating html form (using aws signature version 4) edit: @ previous question found, checking content-type.
Read more

c# - Check Keyboard Input Winforms -

i wondering if instead of doing this protected override void onkeydown(keyeventargs e) { if (e.keycode == keys.a) console.writeline("the key down."); } i set bool method , this: if(keydown(keys.a)) // whatever here i've been sitting here ages trying figure out how it. can't wrap head around it. in case wondering, plan call bool inside different method, check input. since want perform action after pressing key, using keydown event enough. but in cases suppose want check if specific key down in middle of process, can use getkeystate method way: [dllimport("user32.dll", charset = charset.auto, exactspelling = true)] public static extern short getkeystate(int keycode); public const int key_pressed = 0x8000; public static bool iskeydown(keys key) { return convert.toboolean(getkeystate((int)key) & key_pressed); } you should know, each time check key state using example iskeydown(keys.a) method returns true if ke...
Read more