[Android]_ch3.3_ImageView元件介紹

[Android]_ch3.3_ImageView元件介紹

package com.derek.ch6_imageview;



import android.app.Activity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.ImageView;

import android.widget.Switch;

import android.widget.ToggleButton;





public class MainActivity extends Activity {

ImageView iv;

ToggleButton tb;

Switch sw;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        iv=(ImageView)findViewById(R.id.imageView1);

        tb=(ToggleButton)findViewById(R.id.toggleButton1);

        sw=(Switch)findViewById(R.id.switch1);

       

        tb.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

boolean state=tb.isChecked();

if(state)

iv.setImageResource(R.drawable.c2);

else

iv.setImageResource(R.drawable.c1);

}

});

        sw.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

boolean state=sw.isChecked();

if(state)

iv.setImageResource(R.drawable.c2);

else

iv.setImageResource(R.drawable.c1);

}

});

    }



}