android imageview方法,Android入门之ImageView的使用方法

效果图：

MainActivity.java

package com.jk.test;

import android.app.Activity;

import android.os.Bundle;

import android.view.Menu;

import android.widget.ImageView;

import android.widget.ImageView.ScaleType;

public class MainActivity extends Activity {

ImageView imageView1;

ImageView imageView2;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

imageView1 = (ImageView)findViewById(R.id.imageView1Id);

imageView2 = (ImageView)findViewById(R.id.imageView2Id);

imageView1.setScaleType(ScaleType.CENTER);

imageView2.setScaleType(ScaleType.FIT_CENTER);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

}

activity_main.xml

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical"

tools:context=".MainActivity" >

android:id="@+id/imageView1Id"

android:layout_width="100dp"

android:layout_height="100dp"

android:src="@drawable/boy"

android:background="#FF0000"

android:scaleType="centerCrop"/>

android:id="@+id/imageView2Id"

android:layout_width="100dp"

android:layout_height="100dp"

android:src="@drawable/ic_launcher"

android:background="#00FF00"

android:scaleType="centerCrop"/>