Android(安卓)选择控件

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:orientation="vertical">
<ImageView android:id="@+id/imageView1" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:src="@drawable/img01"
android:layout_gravity="center_horizontal" />
<ToggleButton android:id="@+id/tbutton01"
android:layout_width="wrap_content" android:layout_height="wrap_content"
android:layout_gravity="center_horizontal" />
<CheckBox android:id="@+id/checkbox01" android:layout_width="wrap_content"
android:text="切换图片" android:layout_height="wrap_content"
android:layout_gravity="center_horizontal" />
<RadioGroup android:id="@+id/radiogroup01"
android:layout_width="wrap_content" android:layout_height="wrap_content"
android:orientation="horizontal" android:layout_gravity="center_horizontal">
<RadioButton android:id="@+id/raidoOn"
android:layout_width="wrap_content" android:layout_height="wrap_content"
android:text="Image01" />
<RadioButton android:id="@+id/raidoOff"
android:layout_width="wrap_content" android:layout_height="wrap_content"
android:text="Image02" />

</RadioGroup>

添加事件：

iv=(ImageView) findViewById(R.id.imageView1);
tbutton=(ToggleButton) findViewById(R.id.tbutton01);
checkbox=(CheckBox) findViewById(R.id.checkbox01);
radioGroup=(RadioGroup) findViewById(R.id.radiogroup01);
radioOn=(RadioButton) findViewById(R.id.raidoOn);
radioOff = (RadioButton) findViewById(R.id.raidoOff);

tbutton.setOnCheckedChangeListener(new OnCheckedChangeListener(){

@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
setState(isChecked);
}
});

checkbox.setOnCheckedChangeListener(new OnCheckedChangeListener() {

@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// TODO Auto-generated method stub
setState(isChecked);
}
});

radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {

@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
// TODO Auto-generated method stub
boolean state;
if(checkedId==R.id.raidoOn){
state=true;
}else{
state=false;
}
setState(state);
}
});

// radioOn.setOnCheckedChangeListener(new
// RadioButton.OnCheckedChangeListener(){
//
// @Override
// public void onCheckedChanged(CompoundButton buttonView,
// boolean isChecked) {
// // TODO Auto-generated method stub
//
// }});
}

private void setState(boolean state) {
// TODO Auto-generated method stub
iv.setImageResource((state)?R.drawable.img01:R.drawable.img02);
tbutton.setChecked(state);
}

ImageView中常用成员方法：

setAlpha(int alpha)	设置透明度
setImageBitmap(Bitmap bm)	设置显示指定Bitmap对象
setImageDrawable(Drawable drawable)	设置为指定Drawable
setImageResource（int resId)	设置显示指定id的资源
setImageURI(Uri uri)	设置指定Uri
setSelected(boolean selected)	设置ImageView的选中状态

当在不同控件中选择时对图片进行切换：

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