Java 将画廊图像(壁纸)保存到SD卡(已关闭)
我正试图找出如何使这段代码工作,但我对答案感到困惑。我的代码只是一个墙纸选择器,代码来自AOSP源代码 我正在添加一个按钮,可以将当前壁纸保存到sd卡。我有下面的代码,不知道如何解决这个问题。提前谢谢Java 将画廊图像(壁纸)保存到SD卡(已关闭),java,android,android-sdcard,wallpaper,fileoutputstream,Java,Android,Android Sdcard,Wallpaper,Fileoutputstream,我正试图找出如何使这段代码工作,但我对答案感到困惑。我的代码只是一个墙纸选择器,代码来自AOSP源代码 我正在添加一个按钮,可以将当前壁纸保存到sd卡。我有下面的代码,不知道如何解决这个问题。提前谢谢 View setButton2 = view.findViewById(R.id.savetosd); setButton2.setOnClickListener(new OnClickListener() { public void onClick(View v) {
View setButton2 = view.findViewById(R.id.savetosd);
setButton2.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
int i = gallery.getSelectedItemPosition();
String s = (new StringBuilder(String.valueOf(getResources().getStringArray(R.array.wallpapers)[i]))).append(".jpg").toString();
String s1 (new saveToSDCard(.getImage(gallery.getSelectedItemPosition()), s);
startMediaScanner(s1);
Toast.makeText(getActivity().getApplicationContext(), "Saved to SD Card", Toast.LENGTH_SHORT).show();
电流误差
The method getImage(int) is undefined for the type Gallery
代码的其余部分
private static final String SD = Environment.getExternalStorageDirectory().getAbsolutePath();
private boolean mEmbedded;
private Bitmap mBitmap = null;
private ArrayList<Integer> mThumbs;
private ArrayList<Integer> mImages;
private WallpaperLoader mLoader;
private WallpaperDrawable mWallpaperDrawable = new WallpaperDrawable();
...
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
findWallpapers();
if (mEmbedded) {
View view = inflater.inflate(R.layout.wallpaper_chooser, container, false);
view.setBackground(mWallpaperDrawable);
final Gallery gallery = (Gallery) view.findViewById(R.id.gallery);
gallery.setCallbackDuringFling(false);
gallery.setOnItemSelectedListener(this);
gallery.setAdapter(new ImageAdapter(getActivity()));
View setButton = view.findViewById(R.id.set);
setButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
selectWallpaper(gallery.getSelectedItemPosition());
}
});
View setButton2 = view.findViewById(R.id.savetosd);
setButton2.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
//selectWallpaper(gallery.getSelectedItemPosition());
int i = gallery.getSelectedItemPosition();
String s = (new StringBuilder(String.valueOf(getResources().getStringArray(R.array.wallpapers)[i]))).append(".jpg").toString();
String s1 (new saveToSDCard(.getImage(gallery.getSelectedItemPosition()), s);
startMediaScanner(s1);
Toast.makeText(getActivity().getApplicationContext(), "Saved to SD Card", Toast.LENGTH_SHORT).show();
}
});
return view;
}
return null;
}
private void selectWallpaper(int position) {
try {
WallpaperManager wpm = (WallpaperManager) getActivity().getSystemService(
Context.WALLPAPER_SERVICE);
wpm.setResource(mImages.get(position));
Activity activity = getActivity();
activity.setResult(Activity.RESULT_OK);
activity.finish();
} catch (IOException e) {
Log.e(TAG, "Failed to set wallpaper: " + e);
}
}
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
selectWallpaper(position);
}
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
if (mLoader != null && mLoader.getStatus() != WallpaperLoader.Status.FINISHED) {
mLoader.cancel();
}
mLoader = (WallpaperLoader) new WallpaperLoader().execute(position);
}
public void onNothingSelected(AdapterView<?> parent) {
}
private void addWallpapers(Resources resources, String packageName, int list) {
final String[] extras = resources.getStringArray(list);
for (String extra : extras) {
int res = resources.getIdentifier(extra, "drawable", packageName);
if (res != 0) {
final int thumbRes = resources.getIdentifier(extra + "_thumb",
"drawable", packageName);
if (thumbRes != 0) {
mThumbs.add(thumbRes);
mImages.add(res);
// Log.d(TAG, "add: [" + packageName + "]: " + extra + " (" + res + ")");
}
}
}
}
private class ImageAdapter extends BaseAdapter implements ListAdapter, SpinnerAdapter {
private LayoutInflater mLayoutInflater;
ImageAdapter(Activity activity) {
mLayoutInflater = activity.getLayoutInflater();
}
public int getCount() {
return mThumbs.size();
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
View view;
if (convertView == null) {
view = mLayoutInflater.inflate(R.layout.wallpaper_item, parent, false);
} else {
view = convertView;
}
ImageView image = (ImageView) view.findViewById(R.id.wallpaper_image);
int thumbRes = mThumbs.get(position);
image.setImageResource(thumbRes);
Drawable thumbDrawable = image.getDrawable();
if (thumbDrawable != null) {
thumbDrawable.setDither(true);
} else {
Log.e(TAG, "Error decoding thumbnail resId=" + thumbRes + " for wallpaper #"
+ position);
}
return view;
}
}
class WallpaperLoader extends AsyncTask<Integer, Void, Bitmap> {
BitmapFactory.Options mOptions;
WallpaperLoader() {
mOptions = new BitmapFactory.Options();
mOptions.inDither = false;
mOptions.inPreferredConfig = Bitmap.Config.ARGB_8888;
}
@Override
protected Bitmap doInBackground(Integer... params) {
if (isCancelled()) return null;
try {
return BitmapFactory.decodeResource(getResources(),
mImages.get(params[0]), mOptions);
} catch (OutOfMemoryError e) {
return null;
}
}
@Override
protected void onPostExecute(Bitmap b) {
if (b == null) return;
if (!isCancelled() && !mOptions.mCancel) {
// Help the GC
if (mBitmap != null) {
mBitmap.recycle();
}
View v = getView();
if (v != null) {
mBitmap = b;
mWallpaperDrawable.setBitmap(b);
v.postInvalidate();
} else {
mBitmap = null;
mWallpaperDrawable.setBitmap(null);
}
mLoader = null;
} else {
b.recycle();
}
}
void cancel() {
mOptions.requestCancelDecode();
super.cancel(true);
}
}
private String saveToSDCard(Bitmap bitmap, String s)
{
StringBuffer stringbuffer = new StringBuffer();
File file = new File ((new StringBuilder(String.valueOf(SD))).append("/JaisonBrooks|Development/GalaxyS3Wallpapers/").toString());
if(!file.exists())
file.mkdirs();
File file1 = new File(file, s);
if(file1.exists())
file1.delete();
ByteArrayOutputStream bytearrayoutputstream = new ByteArrayOutputStream();
bitmap.compress(android.graphics.Bitmap.CompressFormat.JPEG, 100, bytearrayoutputstream);
byte abtye0[] = bytearrayoutputstream.toByteArray();
try {
file1.createNewFile();
FileOutputStream fileoutputstream = new FileOutputStream(file1);
fileoutputstream.write(abtye0);
fileoutputstream.flush();
fileoutputstream.close();
stringbuffer.append(file1.getAbsolutePath());
}
catch (IOException ioexception)
{
ioexception.printStackTrace();
}
return stringbuffer.toString();
}
private static final String SD=Environment.getExternalStorageDirectory().getAbsolutePath();
私有布尔模化;
私有位图mBitmap=null;
私人ArrayList mThumbs;
私人阵列列表模拟图像;
私人壁纸装载机;
私有墙纸可绘制mWallpaperDrawable=新墙纸可绘制();
...
@凌驾
创建视图上的公共视图(布局、充气机、视图组容器、,
Bundle savedInstanceState){
findWallpapers();
如果(记忆的){
视图=充气机。充气(R.layout.wallpaper\u选择器,容器,false);
视图.立根台(mWallpaperDrawable);
final Gallery Gallery=(Gallery)view.findViewById(R.id.Gallery);
gallery.setCallbackDuringFling(假);
gallery.setOnItemSelectedListener(此);
setAdapter(新的ImageAdapter(getActivity());
视图设置按钮=View.findViewById(R.id.set);
setOnClickListener(新的OnClickListener(){
公共void onClick(视图v){
选择壁纸(gallery.getSelectedItemPosition());
}
});
View setButton2=View.findViewById(R.id.savetosd);
setButton2.setOnClickListener(新的OnClickListener(){
公共void onClick(视图v){
//选择壁纸(gallery.getSelectedItemPosition());
int i=gallery.getSelectedItemPosition();
字符串s=(新的StringBuilder(String.valueOf(getResources().getStringArray(R.array.wallpaps)[i])).append(“.jpg”).toString();
字符串s1(新的saveToSDCard(.getImage(gallery.getSelectedItemPosition()),s);
startMediaScanner(s1);
Toast.makeText(getActivity().getApplicationContext(),“保存到SD卡”,Toast.LENGTH\u SHORT.show();
}
});
返回视图;
}
返回null;
}
专用void selectWallpaper(内部位置){
试一试{
壁纸管理器wpm=(壁纸管理器)getActivity().getSystemService(
背景、壁纸和服务);
setResource(mImages.get(position));
Activity=getActivity();
activity.setResult(activity.RESULT_OK);
activity.finish();
}捕获(IOE异常){
Log.e(标签“未能设置壁纸:+e”);
}
}
public void onItemClick(AdapterView父对象、视图、整型位置、长id){
选择墙纸(位置);
}
已选择公共视图(AdapterView父视图、视图视图、整型位置、长id){
if(mLoader!=null&&mLoader.getStatus()!=wallploader.Status.FINISHED){
mLoader.cancel();
}
mLoader=(壁纸加载器)新壁纸加载器()。执行(位置);
}
未选择公共无效(AdapterView父级){
}
私有void addWallpapers(资源、字符串packageName、int列表){
最终字符串[]extras=resources.getStringArray(列表);
用于(字符串附加:附加){
int res=resources.getIdentifier(额外的“可绘制”,packageName);
如果(res!=0){
final int thumbRes=resources.getIdentifier(额外+“_thumb”,
“可牵引”,包装名称);
如果(thumbRes!=0){
mThumbs.add(拇指);
mImages.add(res);
//Log.d(标记“add:[“+packageName+”]:“+extra+”(“+res+”));
}
}
}
}
私有类ImageAdapter扩展BaseAdapter实现ListAdapter、SpinnerAdapter{
私人停车场平面布置;
ImageAdapter(活动){
mLayoutInflater=activity.getLayoutFlater();
}
public int getCount(){
返回mThumbs.size();
}
公共对象getItem(int位置){
返回位置;
}
公共长getItemId(int位置){
返回位置;
}
公共视图getView(int位置、视图转换视图、视图组父视图){
视图;
if(convertView==null){
视图=mLayoutFlater.充气(R.layout.wallpaper\u项目,父项,false);
}否则{
视图=转换视图;
}
ImageView image=(ImageView)view.findViewById(R.id.wallpaper\u image);
int thumbRes=mThumbs.get(位置);
image.setImageResource(thumbRes);
Drawable thumbDrawable=image.getDrawable();
如果(thumbDrawable!=null){
thumbDrawable.setDither(真);
}否则{
Log.e(标签,“解码缩略图剩余值时出错=“+thumbRes+”用于壁纸#”
+职位);
}
返回视图;
}
}
类装入器扩展异步任务{
BitmapFactory.Options选项;
壁纸加载器(){
mOptions=新的BitmapFactory.Options();
mOptions.inDither=false;
mOptions.inPreferredConfig=Bitmap.Config.ARGB_8888;
}
@凌驾
受保护位图doInBackground(整数…参数){
if(isCancelled())返回null;
试一试{
返回BitmapFactory.decodeResource(getResources(),
mImages.get(参数[0]),mOptions);
}捕获(OutOfMemory错误){
返回null;
}
}
@凌驾
受保护的void onPostExecute(位图b){
如果(b==null)返回;
如果(!isCancelled()&&!mOptions.mCancel){
//帮助GC
如果(mBitmap!=null){
mBitmap.recycle();
}
视图v=getView();
如果(v!=null){
mBitmap=b;
mWallpaperDrawable.setBitmap(b);
v、 后验证();
}否则{
private ImageAdapter mAdapter;
final Gallery gallery = (Gallery) view.findViewById(R.id.gallery);
gallery.setCallbackDuringFling(false);
gallery.setOnItemSelectedListener(this);
//gallery.setAdapter(new ImageAdapter(getActivity()));
mAdapter = new ImageAdapter(getActivity());
gallery.setAdapter(mAdapter);
View setButton = view.findViewById(R.id.set);
setButton.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
selectWallpaper(gallery.getSelectedItemPosition());
}
});
View setButton2 = view.findViewById(R.id.savetosd);
setButton2.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
//selectWallpaper(gallery.getSelectedItemPosition());
int i = gallery.getSelectedItemPosition();
String s = (new StringBuilder(String.valueOf(getResources().getStringArray(R.array.wallpapers)[i]))).append(".jpg").toString();
String s1 = saveToSDCard(mAdapter.getImage(gallery.getSelectedItemPosition()), s);
startMediaScanner(s1);
Toast.makeText(getActivity().getApplicationContext(), "Saved to SD Card", Toast.LENGTH_SHORT).show();
}
});
...
public Bitmap getImage(int i)
{
return getBitmap(((Integer)mImages.get(i)).intValue());
}
public Bitmap getItem(int i)
{
return getBitmap(((Integer)mImages.get(i)).intValue());
}