试图获取当前图像,并使用通用图像装载机设置为墙纸 [英] Attempting to get current image and set as wallpaper using Universal Image Loader
问题描述
我想实现的功能,为用户浏览我的应用程序,设置图像作为壁纸。我使用的通用图像装载机和除了当谈到时间设置为墙纸一切都很正常。我试图从#1和其他网站的几种不同的方法,但都没有成功。我使用的解决方案,从这里开始最后的尝试: 的Android组图片作为壁纸 的
实施后一切运行好,直到我选择按钮(setwallbtn)调用setWall点。在这一点上,我收到了一堆错误在我的logcat(下贴全logcat的错误,以后code)。
下面是pageview_item.xml和ImagePagerActivity.java
任何帮助,任何人都可以提供将大大AP preciated!
感谢您!
pageview_item.xml
< XML版本=1.0编码=UTF-8&GT?;
<的FrameLayout的xmlns:机器人=http://schemas.android.com/apk/res/android
机器人:layout_width =FILL_PARENT
机器人:layout_height =FILL_PARENT
机器人:填充=1dip>
< ImageView的
机器人:ID =@ + ID /图像
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_gravity =中心
机器人:adjustViewBounds =真
机器人:contentDescription =@字符串/ descr_image/>
<进度
机器人:ID =@ + ID /加载
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_gravity =中心
机器人:能见度=水涨船高/>
< ImageView的
机器人:ID =@ + ID / setwallbtn
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_gravity =底部|中心
机器人:adjustViewBounds =真
机器人:可点击=真
机器人:contentDescription =@字符串/ setwall
机器人:=了maxHeight55dp
机器人:的onClick =setWall
机器人:SRC =@可绘制/ setwallpaper/>
< /的FrameLayout>
imagepageractivity.java
进口java.io.IOException异常;
进口android.app.WallpaperManager;
进口android.graphics.Bitmap;
进口android.graphics.Canvas;
进口android.graphics.Color;
进口android.graphics.drawable.Drawable;
进口android.os.Bundle;
进口android.os.Parcelable;
进口android.support.v4.view.PagerAdapter;
进口android.support.v4.view.ViewPager;
进口android.view.LayoutInflater;
进口android.view.View;
进口android.view.ViewGroup;
进口android.widget.ImageView;
进口android.widget.ProgressBar;
进口android.widget.Toast;
进口com.nostra13.universalimageloader.core.DisplayImageOptions;
进口com.nostra13.universalimageloader.core.assist.FailReason;
进口com.nostra13.universalimageloader.core.assist.ImageScaleType;
进口com.nostra13.universalimageloader.core.assist.SimpleImageLoadingListener;
进口com.rwilco12.wallpapergallery.Constants.Extra;
/ **
* @original作者谢尔盖Tarasevich(nostra13 [在]的Gmail [点] com)
* /
公共类ImagePagerActivity扩展BaseActivity {
私有静态最后弦乐STATE_POSITION =STATE_POSITION;
DisplayImageOptions选项;
ViewPager寻呼机;
公共无效的onCreate(包savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.pageview);
束束= getIntent()getExtras()。
的String [] imageUrls = bundle.getStringArray(Extra.IMAGES);
INT pagerPosition = bundle.getInt(Extra.IMAGE_POSITION,0);
如果(savedInstanceState!= NULL){
pagerPosition = savedInstanceState.getInt(STATE_POSITION);
}
选项=新DisplayImageOptions.Builder()
.showImageForEmptyUri(R.drawable.error)
.showImageOnFail(R.drawable.error)
.resetViewBeforeLoading()
.cacheOnDisc()
.bitmapConfig(Bitmap.Config.RGB_565)
.resetViewBeforeLoading()
.imageScaleType(ImageScaleType.IN_SAMPLE_INT)
。建立();
寻呼机=(ViewPager)findViewById(R.id.pager);
pager.setAdapter(新ImagePagerAdapter(imageUrls));
pager.setCurrentItem(pagerPosition);
}
//开始code来源:http://stackoverflow.com/questions/11938182/android-set-image-as-wallpaper
//获取从视图中位图
公共静态位图getBitmapFromView(查看视图){
位图returnedBitmap = Bitmap.createBitmap(view.getWidth(),查看
.getHeight(),Bitmap.Config.ARGB_8888);
帆布油画=新的Canvas(returnedBitmap);
可绘制bgDrawable = view.getBackground();
如果(bgDrawable!= NULL)
bgDrawable.draw(画布);
其他
//如果我们无法获得绘制背景,然后我们将设置白色壁纸
canvas.drawColor(Color.WHITE);
view.draw(画布);
返回returnedBitmap;
}
公共无效setWall(int i)以{
WallpaperManager myWallpaperManager = WallpaperManager.getInstance(getApplicationContext());
尝试 {
//低于code线将设置你的当前可见寻呼机项目壁纸
//首先我们来从可见的视图位图,然后我们就可以把它传递给壁纸
myWallpaperManager.setBitmap(getBitmapFromView(pager.getChildAt(1)));
//低于code线将直接设置输入流数据,以壁纸
// myWallpaperManager.setStream(InputStream的数据);
//低于code线将设置这是在绘制文件夹中的任何图像
// myWallpaperManager.setResource(R.drawable.icon);
}赶上(IOException异常E){
e.printStackTrace();
}
}
http://stackoverflow.com/questions/11938182/android-set-image-as-wallpaper://结束$ C $从C
@覆盖
公共无效的onSaveInstanceState(包outState){
outState.putInt(STATE_POSITION,pager.getCurrentItem());
}
私有类ImagePagerAdapter扩展PagerAdapter {
私有String []的图像;
私人LayoutInflater充气;
ImagePagerAdapter(字符串[]的图像){
this.images =图像;
充气= getLayoutInflater();
}
@覆盖
公共无效destroyItem(ViewGroup中的容器,INT位置,Object对象){
((ViewPager)容器).removeView((查看)对象);
}
@覆盖
公共无效finishUpdate(View容器){
}
@覆盖
公众诠释getCount将(){
返回images.length;
}
@覆盖
公共对象instantiateItem(ViewGroup中认为,INT位置){
查看imageLayout = inflater.inflate(R.layout.pageview_item,查看,FALSE);
ImageView的ImageView的=(ImageView的)imageLayout.findViewById(R.id.image);
最终进度微调=(进度)imageLayout.findViewById(R.id.loading);
imageLoader.displayImage(图片[位置],ImageView的,选项,新SimpleImageLoadingListener(){
@覆盖
公共无效onLoadingStarted(字符串imageUri,查看查看){
spinner.setVisibility(View.VISIBLE);
}
@覆盖
公共无效onLoadingFailed(字符串imageUri,视图中查看,FailReason failReason){
字符串消息= NULL;
开关(failReason.getType()){
案例IO_ERROR:
消息=输入/输出错误;
打破;
案例DECODING_ERROR:
消息=图片不能去codeD;
打破;
案例NETWORK_DENIED:
消息=下载被拒绝;
打破;
案例OUT_OF_MEMORY:
消息=内存不足错误;
打破;
案例未知:
消息=未知错误;
打破;
}
Toast.makeText(ImagePagerActivity.this,消息,Toast.LENGTH_SHORT).show();
spinner.setVisibility(View.GONE);
}
@覆盖
公共无效onLoadingComplete(字符串imageUri,查看视图,位图loadedImage){
spinner.setVisibility(View.GONE);
}
});
((ViewPager)视图).addView(imageLayout,0);
返回imageLayout;
}
@覆盖
公共布尔isViewFromObject(查看视图,Object对象){
返回view.equals(对象);
}
@覆盖
公共无效restoreState(Parcelable状态,类加载器加载器){
}
@覆盖
公共Parcelable saveState和(){
返回null;
}
@覆盖
公共无效startUpdate(View容器){
}
}
logcat的错误
10月9日至28日:01:36.334:W / dalvikvm(26948):主题ID = 1:螺纹退出与未捕获的异常(组= 0x420772a0)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):致命异常:主要
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):java.lang.IllegalStateException:找不到在活动课com.rwilco12.wallpapergallery.ImagePagerActivity对视图类的android onclick处理方法setWall(查看)。 widget.ImageView ID为'setwallbtn
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在android.view.View $ 1.onClick(View.java:3686)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在android.view.View.performClick(View.java:4223)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在android.view.View $ PerformClick.run(View.java:17281)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在android.os.Handler.handleCallback(Handler.java:615)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在android.os.Handler.dispatchMessage(Handler.java:92)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在android.os.Looper.loop(Looper.java:137)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在android.app.ActivityThread.main(ActivityThread.java:4898)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在java.lang.reflect.Method.invokeNative(本机方法)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在java.lang.reflect.Method.invoke(Method.java:511)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:1008)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:775)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在de.robv.android.xposed.XposedBridge.main(XposedBridge.java:106)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在dalvik.system.NativeStart.main(本机方法)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):java.lang.NoSuchMethodException:产生的原因setWall [类android.view.View]
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在java.lang.Class.getConstructorOrMethod(Class.java:460)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在java.lang.Class.getMethod(Class.java:915)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):在android.view.View $ 1.onClick(View.java:3679)
一十月9日至28日:01:36.334:E / AndroidRuntime(26948):12 ...更多
尝试设置的onclick匹配lolcat想要什么
是这样的:
公共无效setWall(视图v){
WallpaperManager myWallpaperManager = WallpaperManager.getInstance(getApplicationContext());
尝试 {
//低于code线将设置你的当前可见寻呼机项目壁纸
//首先我们来从可见的视图位图,然后我们就可以把它传递给壁纸
myWallpaperManager.setBitmap(getBitmapFromView(ⅴ));
}赶上(IOException异常E){
e.printStackTrace();
}
}
I am trying to implement the ability for users browsing my app to set images as wallpapers. I am using Universal Image Loader and everything works great except for when it comes time to set the wallpaper. I have tried several different methods from Stackoverflow and other websites but have had no success. This last attempt I used the solution from here: Android set image as wallpaper
After implementing it everything runs okay up until the point I select the button (setwallbtn) that calls setWall. At that point I get a bunch of errors in my logcat (full logcat error posted below, after the code).
Below is the pageview_item.xml and the ImagePagerActivity.java.
Any help that anyone can offer would be greatly appreciated!
Thank you!
pageview_item.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="1dip" >
<ImageView
android:id="@+id/image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:adjustViewBounds="true"
android:contentDescription="@string/descr_image" />
<ProgressBar
android:id="@+id/loading"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:visibility="gone" />
<ImageView
android:id="@+id/setwallbtn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|center"
android:adjustViewBounds="true"
android:clickable="true"
android:contentDescription="@string/setwall"
android:maxHeight="55dp"
android:onClick="setWall"
android:src="@drawable/setwallpaper" />
</FrameLayout>
imagepageractivity.java
import java.io.IOException;
import android.app.WallpaperManager;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.Toast;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.assist.ImageScaleType;
import com.nostra13.universalimageloader.core.assist.SimpleImageLoadingListener;
import com.rwilco12.wallpapergallery.Constants.Extra;
/**
* @original author Sergey Tarasevich (nostra13[at]gmail[dot]com)
*/
public class ImagePagerActivity extends BaseActivity {
private static final String STATE_POSITION = "STATE_POSITION";
DisplayImageOptions options;
ViewPager pager;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.pageview);
Bundle bundle = getIntent().getExtras();
String[] imageUrls = bundle.getStringArray(Extra.IMAGES);
int pagerPosition = bundle.getInt(Extra.IMAGE_POSITION, 0);
if (savedInstanceState != null) {
pagerPosition = savedInstanceState.getInt(STATE_POSITION);
}
options = new DisplayImageOptions.Builder()
.showImageForEmptyUri(R.drawable.error)
.showImageOnFail(R.drawable.error)
.resetViewBeforeLoading()
.cacheOnDisc()
.bitmapConfig(Bitmap.Config.RGB_565)
.resetViewBeforeLoading()
.imageScaleType(ImageScaleType.IN_SAMPLE_INT)
.build();
pager = (ViewPager) findViewById(R.id.pager);
pager.setAdapter(new ImagePagerAdapter(imageUrls));
pager.setCurrentItem(pagerPosition);
}
//Begin code from: http://stackoverflow.com/questions/11938182/android-set-image-as-wallpaper
// fetch bitmap from view
public static Bitmap getBitmapFromView(View view) {
Bitmap returnedBitmap = Bitmap.createBitmap(view.getWidth(), view
.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(returnedBitmap);
Drawable bgDrawable = view.getBackground();
if (bgDrawable != null)
bgDrawable.draw(canvas);
else
// if we unable to get background drawable then we will set white color as wallpaper
canvas.drawColor(Color.WHITE);
view.draw(canvas);
return returnedBitmap;
}
public void setWall(int i) {
WallpaperManager myWallpaperManager = WallpaperManager.getInstance(getApplicationContext());
try {
// below line of code will set your current visible pager item to wallpaper
// first we have to fetch bitmap from visible view and then we can pass it to wallpaper
myWallpaperManager.setBitmap(getBitmapFromView(pager.getChildAt(1)));
// below line of code will set input stream data directly to wallpaper
// myWallpaperManager.setStream(InputStream Data);
// below line of code will set any image which is in the drawable folder
// myWallpaperManager.setResource(R.drawable.icon);
} catch (IOException e) {
e.printStackTrace();
}
}
//End code from: http://stackoverflow.com/questions/11938182/android-set-image-as-wallpaper
@Override
public void onSaveInstanceState(Bundle outState) {
outState.putInt(STATE_POSITION, pager.getCurrentItem());
}
private class ImagePagerAdapter extends PagerAdapter {
private String[] images;
private LayoutInflater inflater;
ImagePagerAdapter(String[] images) {
this.images = images;
inflater = getLayoutInflater();
}
@Override
public void destroyItem(ViewGroup container, int position, Object object) {
((ViewPager) container).removeView((View) object);
}
@Override
public void finishUpdate(View container) {
}
@Override
public int getCount() {
return images.length;
}
@Override
public Object instantiateItem(ViewGroup view, int position) {
View imageLayout = inflater.inflate(R.layout.pageview_item, view, false);
ImageView imageView = (ImageView) imageLayout.findViewById(R.id.image);
final ProgressBar spinner = (ProgressBar) imageLayout.findViewById(R.id.loading);
imageLoader.displayImage(images[position], imageView, options, new SimpleImageLoadingListener() {
@Override
public void onLoadingStarted(String imageUri, View view) {
spinner.setVisibility(View.VISIBLE);
}
@Override
public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
String message = null;
switch (failReason.getType()) {
case IO_ERROR:
message = "Input/Output error";
break;
case DECODING_ERROR:
message = "Image can't be decoded";
break;
case NETWORK_DENIED:
message = "Downloads are denied";
break;
case OUT_OF_MEMORY:
message = "Out Of Memory error";
break;
case UNKNOWN:
message = "Unknown error";
break;
}
Toast.makeText(ImagePagerActivity.this, message, Toast.LENGTH_SHORT).show();
spinner.setVisibility(View.GONE);
}
@Override
public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
spinner.setVisibility(View.GONE);
}
});
((ViewPager) view).addView(imageLayout, 0);
return imageLayout;
}
@Override
public boolean isViewFromObject(View view, Object object) {
return view.equals(object);
}
@Override
public void restoreState(Parcelable state, ClassLoader loader) {
}
@Override
public Parcelable saveState() {
return null;
}
@Override
public void startUpdate(View container) {
}
}
logcat error
09-28 10:01:36.334: W/dalvikvm(26948): threadid=1: thread exiting with uncaught exception (group=0x420772a0)
09-28 10:01:36.334: E/AndroidRuntime(26948): FATAL EXCEPTION: main
09-28 10:01:36.334: E/AndroidRuntime(26948): java.lang.IllegalStateException: Could not find a method setWall(View) in the activity class com.rwilco12.wallpapergallery.ImagePagerActivity for onClick handler on view class android.widget.ImageView with id 'setwallbtn'
09-28 10:01:36.334: E/AndroidRuntime(26948): at android.view.View$1.onClick(View.java:3686)
09-28 10:01:36.334: E/AndroidRuntime(26948): at android.view.View.performClick(View.java:4223)
09-28 10:01:36.334: E/AndroidRuntime(26948): at android.view.View$PerformClick.run(View.java:17281)
09-28 10:01:36.334: E/AndroidRuntime(26948): at android.os.Handler.handleCallback(Handler.java:615)
09-28 10:01:36.334: E/AndroidRuntime(26948): at android.os.Handler.dispatchMessage(Handler.java:92)
09-28 10:01:36.334: E/AndroidRuntime(26948): at android.os.Looper.loop(Looper.java:137)
09-28 10:01:36.334: E/AndroidRuntime(26948): at android.app.ActivityThread.main(ActivityThread.java:4898)
09-28 10:01:36.334: E/AndroidRuntime(26948): at java.lang.reflect.Method.invokeNative(Native Method)
09-28 10:01:36.334: E/AndroidRuntime(26948): at java.lang.reflect.Method.invoke(Method.java:511)
09-28 10:01:36.334: E/AndroidRuntime(26948): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1008)
09-28 10:01:36.334: E/AndroidRuntime(26948): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:775)
09-28 10:01:36.334: E/AndroidRuntime(26948): at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:106)
09-28 10:01:36.334: E/AndroidRuntime(26948): at dalvik.system.NativeStart.main(Native Method)
09-28 10:01:36.334: E/AndroidRuntime(26948): Caused by: java.lang.NoSuchMethodException: setWall [class android.view.View]
09-28 10:01:36.334: E/AndroidRuntime(26948): at java.lang.Class.getConstructorOrMethod(Class.java:460)
09-28 10:01:36.334: E/AndroidRuntime(26948): at java.lang.Class.getMethod(Class.java:915)
09-28 10:01:36.334: E/AndroidRuntime(26948): at android.view.View$1.onClick(View.java:3679)
09-28 10:01:36.334: E/AndroidRuntime(26948): ... 12 more
Try setting the onclick to match what the lolcat wants
something like this:
public void setWall(View v) {
WallpaperManager myWallpaperManager = WallpaperManager.getInstance(getApplicationContext());
try {
// below line of code will set your current visible pager item to wallpaper
// first we have to fetch bitmap from visible view and then we can pass it to wallpaper
myWallpaperManager.setBitmap(getBitmapFromView(v));
} catch (IOException e) {
e.printStackTrace();
}
}
这篇关于试图获取当前图像,并使用通用图像装载机设置为墙纸的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!