Android 如何将多媒体资料设置为横向模式
我是android新手。在我的应用程序库中，小部件完全在纵向模式下运行，但在横向模式下无法正确显示。在这种情况下，我在创建方法中使用纵向和横向模式的开关盒 我的代码如下Android 如何将多媒体资料设置为横向模式,android,android-gallery,Android,Android Gallery,我是android新手。在我的应用程序库中，小部件完全在纵向模式下运行，但在横向模式下无法正确显示。在这种情况下，我在创建方法中使用纵向和横向模式的开关盒 我的代码如下 public class ViewAppGalleryActivity extends Activity { // take an array of integer type and set its value Integer[] mImageIds = { R.drawable.gallery_photo_19
public class ViewAppGalleryActivity extends Activity {
// take an array of integer type and set its value
Integer[] mImageIds = { R.drawable.gallery_photo_19, R.drawable.gallery_photo_20,
R.drawable.gallery_photo_21, R.drawable.gallery_photo_22, R.drawable.gallery_photo_23,
R.drawable.gallery_photo_24, R.drawable.gallery_photo_25,R.drawable.gallery_photo_15,R.drawable.gallery_photo_16,R.drawable.gallery_photo_18,
R.drawable.gallery_photo_9,R.drawable.gallery_photo_10,R.drawable.gallery_photo_11,R.drawable.gallery_photo_12,R.drawable.gallery_photo_26,
R.drawable.gallery_photo_27, R.drawable.gallery_photo_28,R.drawable.gallery_photo_29, R.drawable.gallery_photo_30
};
int lastOrientation = 0;
private int imageWidth;
private ImageView leftArrowImageView;
private int selectedImagePosition = 0;
private ImageView rightArrowImageView;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
switch (this.getResources().getConfiguration().orientation)
{
case Configuration.ORIENTATION_PORTRAIT:
setContentView(R.layout.main);
// take an instance of Gallery
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
final ExtendedGallery g = (ExtendedGallery)findViewById(R.id.gallery);
// g.setScrollingEnabled(false);
MarginLayoutParams mlp = (MarginLayoutParams)g.getLayoutParams();
mlp.setMargins(-(metrics.widthPixels/2 +60 ), mlp.topMargin,
mlp.rightMargin, mlp.bottomMargin);
// set adapter to gallery calling ImageAdapter class
g.setAdapter(new ImageAdapter(this, mImageIds));
// set onItemClickListener on gallery Object
g.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
ImageView imgView=(ImageView)findViewById(R.id.imageView1);
imgView.setImageResource(mImageIds [position]);
// TODO Auto-generated method stub
// onItemClick show Message
//selectedImagePosition =position;
if (selectedImagePosition > 0 && selectedImagePosition <mImageIds.length - 3) {
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_enabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_enabled));
}
else if (selectedImagePosition == 0)
{
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_disabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_enabled));
}
else if (selectedImagePosition == mImageIds.length - 3 || selectedImagePosition == mImageIds.length - 2 || selectedImagePosition == mImageIds.length - 1)
{
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_enabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_disabled));
}
}
});
g.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
selectedImagePosition = pos;
if (selectedImagePosition > 0 && selectedImagePosition <mImageIds.length - 3)
{
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_enabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_enabled));
}
else if (selectedImagePosition == 0)
{
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_disabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_enabled));
}
else if (selectedImagePosition == mImageIds.length - 3 || selectedImagePosition == mImageIds.length - 2 || selectedImagePosition == mImageIds.length - 1 )
{
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_enabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_disabled));
}
}
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
});
leftArrowImageView = (ImageView) findViewById(R.id.left_arrow_imageview);
rightArrowImageView = (ImageView) findViewById(R.id.right_arrow_imageview);
leftArrowImageView.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if (selectedImagePosition > 2) {
--selectedImagePosition;
--selectedImagePosition;
--selectedImagePosition;
}
else if(selectedImagePosition == 2)
{
--selectedImagePosition;
--selectedImagePosition;
}
else if(selectedImagePosition == 1)
{
--selectedImagePosition;
}
g.setSelection(selectedImagePosition, false);
//g.scrollBy(20, 0);
//leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_disabled));
}
});
rightArrowImageView.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if (selectedImagePosition < mImageIds.length-3 )
{
++selectedImagePosition;
++selectedImagePosition;
++selectedImagePosition;
}
g.setSelection(selectedImagePosition, false);
//rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_disabled));
}
});
break;
case Configuration.ORIENTATION_LANDSCAPE:
setContentView(R.layout.land);
//setContentView(R.layout.main);
// take an instance of Gallery
DisplayMetrics metrics1 = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics1);
final ExtendedGallery g1 = (ExtendedGallery)findViewById(R.id.gallery);
// g.setScrollingEnabled(false);
MarginLayoutParams mlp1 = (MarginLayoutParams)g1.getLayoutParams();
mlp1.setMargins(-(metrics1.widthPixels/2 +60 ), mlp1.topMargin,
mlp1.rightMargin, mlp1.bottomMargin);
// set adapter to gallery calling ImageAdapter class
g1.setAdapter(new GalleryImageAdapter1(this, mImageIds));
// set onItemClickListener on gallery Object
g1.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
ImageView imgView=(ImageView)findViewById(R.id.imageView1);
imgView.setImageResource(mImageIds [position]);
// TODO Auto-generated method stub
// onItemClick show Message
//selectedImagePosition =position;
if (selectedImagePosition > 0 && selectedImagePosition <mImageIds.length - 3) {
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_enabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_enabled));
}
else if (selectedImagePosition == 0)
{
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_disabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_enabled));
}
else if (selectedImagePosition == mImageIds.length - 3 || selectedImagePosition == mImageIds.length - 2 || selectedImagePosition == mImageIds.length - 1)
{
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_enabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_disabled));
}
}
});
g1.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
selectedImagePosition = pos;
if (selectedImagePosition > 0 && selectedImagePosition <mImageIds.length - 3)
{
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_enabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_enabled));
}
else if (selectedImagePosition == 0)
{
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_disabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_enabled));
}
else if (selectedImagePosition == mImageIds.length - 3 || selectedImagePosition == mImageIds.length - 2 || selectedImagePosition == mImageIds.length - 1 )
{
leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_enabled));
rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_disabled));
}
}
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}
});
leftArrowImageView = (ImageView) findViewById(R.id.left_arrow_imageview);
rightArrowImageView = (ImageView) findViewById(R.id.right_arrow_imageview);
leftArrowImageView.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if (selectedImagePosition > 2) {
--selectedImagePosition;
--selectedImagePosition;
--selectedImagePosition;
}
else if(selectedImagePosition == 2)
{
--selectedImagePosition;
--selectedImagePosition;
}
else if(selectedImagePosition == 1)
{
--selectedImagePosition;
}
g1.setSelection(selectedImagePosition, false);
//g.scrollBy(20, 0);
//leftArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_left_disabled));
}
});
rightArrowImageView.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
if (selectedImagePosition < mImageIds.length-3 )
{
++selectedImagePosition;
++selectedImagePosition;
++selectedImagePosition;
}
g1.setSelection(selectedImagePosition, false);
//rightArrowImageView.setImageDrawable(getResources().getDrawable(R.drawable.arrow_right_disabled));
}
});
break;
default:
try {
throw new Exception("Unexpected orientation enumeration returned");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
break;
}
}
public类ViewAppGalleryActivity扩展活动{
//获取整数类型的数组并设置其值
整数[]mImageIds={R.drawable.gallery_photo_19，R.drawable.gallery_photo_20，
R.drawable.gallery_photo_21，R.drawable.gallery_photo_22，R.drawable.gallery_photo_23，
R.drawable.gallery_photo_24，R.drawable.gallery_photo_25，R.drawable.gallery_photo_15，R.drawable.gallery_photo_16，R.drawable.gallery_photo_18，
可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深。可拉深，
R.drawable.gallery_photo_27，R.drawable.gallery_photo_28，R.drawable.gallery_photo_29，R.drawable.gallery_photo_30
};
int lastOrientation=0；
私有整数图像宽度；
私有图像视图左箭头图像视图；
private int selectedImagePosition=0；
private ImageView右箭头ImageView；
/**在首次创建活动时调用*/
@凌驾
创建时的公共void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
开关（this.getResources（）.getConfiguration（）.orientation）
{
案例配置。方向\u纵向：
setContentView（R.layout.main）；
//以画廊为例
DisplayMetrics=新的DisplayMetrics（）；
getWindowManager（）.getDefaultDisplay（）.getMetrics（度量）；
最终扩展画廊g=（扩展画廊）findViewById（R.id.gallery）；
//g.setScrollingEnabled（假）；
MarginLayoutParams mlp=（MarginLayoutParams）g.getLayoutParams（）；
mlp.setMargins（-（metrics.widthPixels/2+60），mlp.topMargin，
mlp.rightMargin，mlp.bottomMargin）；
//将适配器设置为gallery调用ImageAdapter类
g、 setAdapter（新的ImageAdapter（这个，mImageIds））；
//在库对象上设置McClickListener
g、 setOnItemClickListener（新的OnItemClickListener（）{
public void onItemClick（AdapterView父级、视图、，
内部位置，长id）{
ImageView imgView=（ImageView）findViewById（R.id.imageView1）；
imgView.setImageResource（mimageId[position]）；
//TODO自动生成的方法存根
//单击显示消息
//选择图像位置=位置；
如果（selectedImagePosition>0&&selectedImagePosition arg0）{
//TODO自动生成的方法存根
}
});
leftArrowImageView=（ImageView）findViewById（R.id.LeftArrow\u ImageView）；
rightArrowImageView=（ImageView）findViewById（R.id.right\u arrow\u ImageView）；
leftArrowImageView.setOnClickListener（新的OnClickListener（）{
公共void onClick（视图v）{
如果（选择图像位置>2）{
--选择图像位置；
--选择图像位置；
--选择图像位置；
}
else if（selectedImagePosition==2）
{
--选择图像位置；
--选择图像位置；
}
else if（selectedImagePosition==1）
{
--选择图像位置；
}
g、 设置选择（selectedImagePosition，false）；
//g、 scrollBy（20,0）；
//leftArrowImageView.setImageDrawable（getResources（）.getDrawable（R.drawable.arrow_left_disabled））；
}
});
setOnClickListener（新的OnClickListener（）{
公共void onClick（视图v）{
如果（选择图像位置