Tuesday, 20 January 2015

ImageView Example

Imageview Example i android




strings.xml
<?xmlversion="1.0"encoding="utf-8"?>
<resources>
<string name="app_name">ImageView</string>
<string name="action_settings">Settings</string>
<string name="name">See all Images</string>
<string name="next">NEXT</string>
<string name="back">BACK</string>
</resources>

activity_main.xml
<RelativeLayoutxmlns: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=".MainActivity">

<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:layout_marginTop="27dp"
android:text="@string/name"

android:textAppearance="?android:attr/textAppearanceMedium"/>

<Button
android:id="@+id/button_previous"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_marginBottom="19dp"
android:text="@string/back"/>

<Button
android:id="@+id/button_next"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_marginBottom="14dp"
android:layout_marginRight="17dp"
android:text="@string/next"/>

<ImageView
android:id="@+id/imageView"
android:layout_width="wrap_content"
android:layout_height="200dp"
android:layout_alignLeft="@+id/button_previous"
android:layout_below="@+id/textView1"
android:src="@drawable/kitkat"/>

</RelativeLayout>
MainActivity.java
package com.wavetronics.task2.imageview;

import android.app.Activity;
importandroid.opengl.Visibility;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;

publicclass MainActivity extends Activity {

       Button prevoius,next;
       ImageView image;
       @Override
       protectedvoid onCreate(Bundle savedInstanceState) {
              super.onCreate(savedInstanceState);
              setContentView(R.layout.activity_main);
             
              prevoius = (Button) findViewById(R.id.button_previous);
              next = (Button) findViewById(R.id.button_next);
              image = (ImageView) findViewById(R.id.imageView);
             
              prevoius.setEnabled(false);
             
              prevoius.setOnClickListener(new OnClickListener() {
                    
                     @Override
                     publicvoid onClick(View v) {
                           // TODO Auto-generated method stub
                     image.setImageResource(R.drawable.kitkat);
                     prevoius.setEnabled(false);
                     next.setEnabled(true);
                          
                     }
              });
next.setOnClickListener(new OnClickListener() {
                    
                     @Override
                     publicvoid onClick(View v) {
                           // TODO Auto-generated method stub
                     image.setImageResource(R.drawable.lolipopa);
                     next.setEnabled(false);
                     prevoius.setEnabled(true);
                     }
              });
             
       }



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