Android页面卷曲,图像从web流式传输?
所以,我正在使用这个项目来实现curl功能来创建一本书。但我想在直接从web流式传输图像时实现同样的效果,显然是以异步方式 但是,我需要一个Android页面卷曲,图像从web流式传输?,android,android-layout,opengl-es,Android,Android Layout,Opengl Es,所以,我正在使用这个项目来实现curl功能来创建一本书。但我想在直接从web流式传输图像时实现同样的效果,显然是以异步方式 但是,我需要一个OpenGL,进度条,来实现同样的功能。但是我没有任何OPENGL方面的知识,所以我如何调整代码并实现我想要的功能呢 另外,看看这个问题,更清楚地了解我想要实现的目标 包fi.harism.curl; 公共类活动扩展了活动{ 私有卷视图mCurlView; 按钮btn; 私人水渠; 可提取d=null; 文本视图多行文字; 列出数据; 媒体播放器mPlay
OpenGL,进度条
,来实现同样的功能。但是我没有任何OPENGL方面的知识,所以我如何调整代码并实现我想要的功能呢
另外,看看这个问题,更清楚地了解我想要实现的目标
包fi.harism.curl;
公共类活动扩展了活动{
私有卷视图mCurlView;
按钮btn;
私人水渠;
可提取d=null;
文本视图多行文字;
列出数据;
媒体播放器mPlayer;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
int指数=0;
如果(getLastNonConfigurationInstance()!=null){
索引=(整数)GetLastNonConfiguration实例();
}
mCurlView=(CurlView)findviewbyd(R.id.curl);
setPageProvider(新的PageProvider());
mCurlView.setSizeChangedObserver(新的SizeChangedObserver());
mCurlView.setCurrentIndex(索引);
mCurlView.setBackgroundColor(Color.GREEN);
}
@凌驾
公共无效暂停(){
super.onPause();
mCurlView.onPause();
}
@凌驾
恢复时公开作废(){
super.onResume();
mCurlView.onResume();
}
@凌驾
公共对象OnRetainOnConfiguration实例(){
返回mCurlView.getCurrentIndex();
}
/**
*位图提供程序。
*/
私有类PageProvider实现CurlView.PageProvider{
私有字符串[]mBitmapStrings={”http://myserver.com/image/img%20p1.png",
"http://myserver.com/image/img%20p2.png",
"http://myserver.com/image/img%20p3.png",
"http://myserver.com/image/img%20p4.png"};
@凌驾
public int getPageCount(){
返回mBitmapStrings.length;
}
私有位图loadBitmap(int-width、int-height、int-index)引发畸形的异常,IOException{
位图b=位图。创建位图(宽度、高度、,
位图.Config.ARGB_8888);
b、 擦除颜色(0xFFFFFF);
画布c=新画布(b);
if(索引==mBitmapStrings.length)
{
指数=0;
}
Drawable d=新的BitmapDrawable(可从url(mbitMapString[index])中提取);
整型裕度=7;
int-border=3;
Rect r=新的Rect(边距、边距、宽度-边距、高度-边距);
int imageWidth=r.width()-(边框*2);
int imageHeight=imageWidth*d.getIntrinsicHeight()
/d.getIntrinsicWidth();
如果(图像高度>r.高度()-(边框*2)){
图像高度=r.高度()-(边框*2);
imageWidth=imageHeight*d.getIntrinsicWidth()
/d.getIntrinsicHeight();
}
r、 左+=((r.width()-imageWidth)/2)-边框;
r、 右=右+图像宽度+边框+边框;
r、 顶部+=((r.高度()-图像高度)/2)-边框;
r、 底部=r.顶部+图像高度+边框+边框;
油漆p=新油漆();
p、 设置颜色(0xFFC0);
c、 drawRect(r,p);
r、 左+=边框;
r、 右-=边界;
r、 顶部+=边框;
r、 底部-=边框;
d、 立根(r);
d、 抽签(c);
返回b;
}
@凌驾
公共void updatePage(页面卷曲、整型宽度、整型高度、整型索引){
位图前端;
试一试{
前=加载位图(宽度、高度、索引);
页面设置结构(正面、卷曲页面、侧面和正面);
page.setColor(Color.rgb(180、180、180),CurlPage.SIDE_BACK);
}捕获(格式错误){
//TODO自动生成的捕捉块
e、 printStackTrace();
}捕获(IOE异常){
//TODO自动生成的捕捉块
e、 printStackTrace();
}
}
}
/**
*卷曲视图大小已更改。
*/
私有类SizeChangedObserver实现了CurlView.SizeChangedObserver{
@凌驾
尺寸更改后的公共空间(内部w、内部h){
/*如果(w>h){
mCurlView.setViewMode(CurlView.SHOW_两页);
mCurlView.setMargins(.1f、.05f、.1f、.05f);
}否则{*/
mCurlView.setViewMode(CurlView.SHOW_一页);
//mCurlView.setMargins(.1f、.1f、.1f、.1f);
mCurlView.setMargins(0,0,0,0);
//}
}
}
位图可绘制的\u from\u url(字符串url)引发java.net.MalformedURLException、java.io.IOException{
位图x;
HttpURLConnection连接=(HttpURLConnection)新URL(URL).openConnection();
setRequestProperty(“用户代理”、“Mozilla/4.0”);
connection.connect();
InputStream输入=连接。getInputStream();
x=BitmapFactory.decodeStream(输入);
返回x;
}
}
----编辑----
另外,我正在使用android查询库来处理异步图像/文件
加载。如果发生以下情况,将其用于本项目是否可行
从网络上传输图像。怎么做
“”,“”,“”,“”,“”此所有链接在浏览器中不显示图像。请检查您的浏览器。这只是为了测试,因为我无法填充
package fi.harism.curl;
public class CurlActivity extends Activity {
private CurlView mCurlView;
Button btn;
private AQuery aq;
Drawable d =null;
TextView mText;
List<String> data;
MediaPlayer mPlayer;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
int index = 0;
if (getLastNonConfigurationInstance() != null) {
index = (Integer) getLastNonConfigurationInstance();
}
mCurlView = (CurlView) findViewById(R.id.curl);
mCurlView.setPageProvider(new PageProvider());
mCurlView.setSizeChangedObserver(new SizeChangedObserver());
mCurlView.setCurrentIndex(index);
mCurlView.setBackgroundColor(Color.GREEN);
}
@Override
public void onPause() {
super.onPause();
mCurlView.onPause();
}
@Override
public void onResume() {
super.onResume();
mCurlView.onResume();
}
@Override
public Object onRetainNonConfigurationInstance() {
return mCurlView.getCurrentIndex();
}
/**
* Bitmap provider.
*/
private class PageProvider implements CurlView.PageProvider {
private String[] mBitmapStrings={"http://myserver.com/image/img%20p1.png",
"http://myserver.com/image/img%20p2.png",
"http://myserver.com/image/img%20p3.png",
"http://myserver.com/image/img%20p4.png"};
@Override
public int getPageCount() {
return mBitmapStrings.length;
}
private Bitmap loadBitmap(int width, int height, int index) throws MalformedURLException, IOException {
Bitmap b = Bitmap.createBitmap(width, height,
Bitmap.Config.ARGB_8888);
b.eraseColor(0xFFFFFFFF);
Canvas c = new Canvas(b);
if(index==mBitmapStrings.length)
{
index=0;
}
Drawable d = new BitmapDrawable(drawable_from_url(mBitmapStrings[index]));
int margin = 7;
int border = 3;
Rect r = new Rect(margin, margin, width - margin, height - margin);
int imageWidth = r.width() - (border * 2);
int imageHeight = imageWidth * d.getIntrinsicHeight()
/ d.getIntrinsicWidth();
if (imageHeight > r.height() - (border * 2)) {
imageHeight = r.height() - (border * 2);
imageWidth = imageHeight * d.getIntrinsicWidth()
/ d.getIntrinsicHeight();
}
r.left += ((r.width() - imageWidth) / 2) - border;
r.right = r.left + imageWidth + border + border;
r.top += ((r.height() - imageHeight) / 2) - border;
r.bottom = r.top + imageHeight + border + border;
Paint p = new Paint();
p.setColor(0xFFC0C0C0);
c.drawRect(r, p);
r.left += border;
r.right -= border;
r.top += border;
r.bottom -= border;
d.setBounds(r);
d.draw(c);
return b;
}
@Override
public void updatePage(CurlPage page, int width, int height, int index) {
Bitmap front;
try {
front = loadBitmap(width, height, index);
page.setTexture(front, CurlPage.SIDE_FRONT);
page.setColor(Color.rgb(180, 180, 180), CurlPage.SIDE_BACK);
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
/**
* CurlView size changed observer.
*/
private class SizeChangedObserver implements CurlView.SizeChangedObserver {
@Override
public void onSizeChanged(int w, int h) {
/*if (w > h) {
mCurlView.setViewMode(CurlView.SHOW_TWO_PAGES);
mCurlView.setMargins(.1f, .05f, .1f, .05f);
} else {*/
mCurlView.setViewMode(CurlView.SHOW_ONE_PAGE);
//mCurlView.setMargins(.1f, .1f, .1f, .1f);
mCurlView.setMargins(0,0,0,0);
//}
}
}
Bitmap drawable_from_url(String url) throws java.net.MalformedURLException, java.io.IOException {
Bitmap x;
HttpURLConnection connection = (HttpURLConnection)new URL(url) .openConnection();
connection.setRequestProperty("User-agent","Mozilla/4.0");
connection.connect();
InputStream input = connection.getInputStream();
x = BitmapFactory.decodeStream(input);
return x;
}
}
public class CurlActivity extends Activity {
private CurlView mCurlView;
Bitmap y;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
int index = 0;
if (getLastNonConfigurationInstance() != null) {
index = (Integer) getLastNonConfigurationInstance();
}
mCurlView = (CurlView) findViewById(R.id.curl);
mCurlView.setPageProvider(new PageProvider());
mCurlView.setSizeChangedObserver(new SizeChangedObserver());
mCurlView.setCurrentIndex(index);
mCurlView.setBackgroundColor(0xFF202830);
}
@Override
public void onPause() {
super.onPause();
mCurlView.onPause();
}
@Override
public void onResume() {
super.onResume();
mCurlView.onResume();
}
@Override
public Object onRetainNonConfigurationInstance() {
return mCurlView.getCurrentIndex();
}
/**
* Bitmap provider.
*/
private class PageProvider implements CurlView.PageProvider {
// Bitmap resources.
/*private int[] mBitmapIds = { R.drawable.obama, R.drawable.road_rage,
R.drawable.taipei_101, R.drawable.world };*/
private String[] mBitmapIds = {"your url","your url",
"your urlg", "your url" }; //your image url
@Override
public int getPageCount() {
return 5;
}
private Bitmap loadBitmap(int width, int height, int index) {
Bitmap b = Bitmap.createBitmap(width, height,
Bitmap.Config.ARGB_8888);
b.eraseColor(0xFFFFFFFF);
Canvas c = new Canvas(b);
//Uri url = Uri.parse("http://stackoverflow.com");
//Drawable d =getResources().getDrawable(url);
//Drawable d = getResources().getDrawable(mBitmapIds[index]);
try {
drawableFromUrl(mBitmapIds[index]);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Drawable d = new BitmapDrawable(getResources(),y);
//Drawable d = new BitmapDrawable(drawable_from_url(y));
int margin = 7;
int border = 3;
Rect r = new Rect(margin, margin, width - margin, height - margin);
int imageWidth = r.width() - (border * 2);
int imageHeight = imageWidth * d.getIntrinsicHeight()
/ d.getIntrinsicWidth();
if (imageHeight > r.height() - (border * 2)) {
imageHeight = r.height() - (border * 2);
imageWidth = imageHeight * d.getIntrinsicWidth()
/ d.getIntrinsicHeight();
}
r.left += ((r.width() - imageWidth) / 2) - border;
r.right = r.left + imageWidth + border + border;
r.top += ((r.height() - imageHeight) / 2) - border;
r.bottom = r.top + imageHeight + border + border;
Paint p = new Paint();
p.setColor(0xFFC0C0C0);
c.drawRect(r, p);
r.left += border;
r.right -= border;
r.top += border;
r.bottom -= border;
d.setBounds(r);
d.draw(c);
return b;
}
@Override
public void updatePage(CurlPage page, int width, int height, int index) {
switch (index) {
// First case is image on front side, solid colored back.
case 0: {
Bitmap front = loadBitmap(width, height, 0);
page.setTexture(front, CurlPage.SIDE_FRONT);
page.setColor(Color.rgb(180, 180, 180), CurlPage.SIDE_BACK);
break;
}
// Second case is image on back side, solid colored front.
case 1: {
Bitmap back = loadBitmap(width, height, 2);
page.setTexture(back, CurlPage.SIDE_BACK);
page.setColor(Color.rgb(127, 140, 180), CurlPage.SIDE_FRONT);
break;
}
// Third case is images on both sides.
case 2: {
Bitmap front = loadBitmap(width, height, 1);
Bitmap back = loadBitmap(width, height, 3);
page.setTexture(front, CurlPage.SIDE_FRONT);
page.setTexture(back, CurlPage.SIDE_BACK);
break;
}
// Fourth case is images on both sides - plus they are blend against
// separate colors.
case 3: {
Bitmap front = loadBitmap(width, height, 2);
Bitmap back = loadBitmap(width, height, 1);
page.setTexture(front, CurlPage.SIDE_FRONT);
page.setTexture(back, CurlPage.SIDE_BACK);
page.setColor(Color.argb(127, 170, 130, 255),
CurlPage.SIDE_FRONT);
page.setColor(Color.rgb(255, 190, 150), CurlPage.SIDE_BACK);
break;
}
// Fifth case is same image is assigned to front and back. In this
// scenario only one texture is used and shared for both sides.
case 4:
Bitmap front = loadBitmap(width, height, 0);
page.setTexture(front, CurlPage.SIDE_BOTH);
page.setColor(Color.argb(127, 255, 255, 255),
CurlPage.SIDE_BACK);
break;
}
}
}
/**
* CurlView size changed observer.
*/
private class SizeChangedObserver implements CurlView.SizeChangedObserver {
@Override
public void onSizeChanged(int w, int h) {
if (w > h) {
mCurlView.setViewMode(CurlView.SHOW_TWO_PAGES);
mCurlView.setMargins(.1f, .05f, .1f, .05f);
} else {
mCurlView.setViewMode(CurlView.SHOW_ONE_PAGE);
mCurlView.setMargins(.1f, .1f, .1f, .1f);
}
}
}
public void drawableFromUrl(String url) throws IOException {
HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
connection.connect();
InputStream input = connection.getInputStream();
y = BitmapFactory.decodeStream(input);
}
}