Android 从webview URL设置壁纸
我正在尝试设置一个应用程序,以便在Webview中加载URL,然后让该应用程序能够将单击的任何图像设置为墙纸 到目前为止,我能够加载的网址和显示画廊 我几乎被困在如何设置可点击的图像是壁纸上 任何帮助都将不胜感激 我的代码:Android 从webview URL设置壁纸,android,android-webview,Android,Android Webview,我正在尝试设置一个应用程序,以便在Webview中加载URL,然后让该应用程序能够将单击的任何图像设置为墙纸 到目前为止,我能够加载的网址和显示画廊 我几乎被困在如何设置可点击的图像是壁纸上 任何帮助都将不胜感激 我的代码: package com.dg.rWallpapers; import java.io.IOException; import java.net.URISyntaxException; import java.net.URL; import org.apache.
package com.dg.rWallpapers;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.entity.BufferedHttpEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import android.app.Activity;
import android.app.WallpaperManager;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.view.KeyEvent;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.RelativeLayout;
import android.widget.Toast;
import com.google.ads.AdRequest;
import com.google.ads.AdSize;
import com.google.ads.AdView;
public class rWallpapersActivity extends Activity {
WebView mWebView;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mWebView = (WebView) findViewById(R.id.webview);
mWebView.getSettings().setJavaScriptEnabled(true);
/* mWebView.getSettings().setBuiltInZoomControls(true); */ //Removed I do not want zooming.
mWebView.getSettings().setUseWideViewPort(true);
mWebView.loadUrl("http://wall.dg.net?wallId=5");
mWebView.setWebViewClient(new HelloWebViewClient(this));
// Lookup R.layout.main
RelativeLayout layout = (RelativeLayout)findViewById(R.id.ad);
AdView adView = new AdView(this, AdSize.BANNER, "xxxx");
// Add the adView to it
layout.addView(adView);
// Initiate a generic request to load it with an ad
AdRequest request = new AdRequest();
//request.setTesting(true);
adView.loadAd(request);
}
public class HelloWebViewClient extends WebViewClient {
private WallpaperManager mWallpaperManager;
private Context mContext;
public HelloWebViewClient(Context context) {
mContext = context;
mWallpaperManager = WallpaperManager.getInstance(context);
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url.endsWith(".png") || url.endsWith(".jpg")) {
try {
Bitmap b = downloadImage(url);
mWallpaperManager.setBitmap(b);
Toast.makeText(mContext, "Done!!", Toast.LENGTH_SHORT).show();
return true;
} catch (IOException e) {
e.printStackTrace();
}
}
return false;
}
private Bitmap downloadImage(String fileUrl) throws IOException {
try {
HttpGet httpRequest = new HttpGet(new URL(fileUrl).toURI());
HttpClient httpClient = new DefaultHttpClient();
HttpResponse response = (HttpResponse) httpClient.execute(httpRequest);
BufferedHttpEntity buffer = new BufferedHttpEntity(response.getEntity());
return BitmapFactory.decodeStream(buffer.getContent());
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (URISyntaxException e) {
e.printStackTrace();
}
return null;
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && mWebView.canGoBack()) {
mWebView.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}
}
您可以使用自定义并实现shouldOverrideUrlLoading()
方法来处理在活动中单击图像的操作。在那里,您可以下载图像并将其设置为壁纸
下面是这样一个WebViewClient
的示例:
public class MyWebViewClient extends WebViewClient {
private WallpaperManager mWallpaperManager;
private Context mContext;
public MyWebViewClient(Context context) {
mContext = context;
mWallpaperManager = WallpaperManager.getInstance(context);
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url.endsWith(".png") || url.endsWith(".jpg") || url.endsWith(".jpeg")) {
new AsyncTask<String, Void, Bitmap>() {
@Override
protected Bitmap doInBackground(String... params) {
try {
return downloadImage(params[0]);
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Bitmap result) {
if (result != null) {
try {
mWallpaperManager.setBitmap(result);
Toast.makeText(mContext, "Done!!", Toast.LENGTH_SHORT).show();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}.execute(url);
return true;
}
return false;
}
private Bitmap downloadImage(String fileUrl) throws IOException {
try {
HttpGet httpRequest = new HttpGet(new URL(fileUrl).toURI());
HttpClient httpClient = new DefaultHttpClient();
HttpResponse response = (HttpResponse) httpClient.execute(httpRequest);
BufferedHttpEntity buffer = new BufferedHttpEntity(response.getEntity());
return BitmapFactory.decodeStream(buffer.getContent());
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (URISyntaxException e) {
e.printStackTrace();
}
return null;
}
}
公共类MyWebViewClient扩展了WebViewClient{
私人墙纸经理;
私有上下文;
公共MyWebViewClient(上下文){
mContext=上下文;
mWallpaperManager=wallperManager.getInstance(上下文);
}
@凌驾
公共布尔值shouldOverrideUrlLoading(WebView视图,字符串url){
if(url.endsWith(“.png”)| url.endsWith(“.jpg”)| url.endsWith(“.jpeg”)){
新建异步任务(){
@凌驾
受保护位图doInBackground(字符串…参数){
试一试{
返回下载图像(参数[0]);
}捕获(IOE异常){
e、 printStackTrace();
}
返回null;
}
@凌驾
受保护的void onPostExecute(位图结果){
如果(结果!=null){
试一试{
mWallpaperManager.setBitmap(结果);
Toast.makeText(mContext,“Done!!”,Toast.LENGTH_SHORT.show();
}捕获(IOE异常){
e、 printStackTrace();
}
}
}
}.执行(url);
返回true;
}
返回false;
}
私有位图下载图像(字符串文件URL)引发IOException{
试一试{
HttpGet-httpRequest=newhttpget(newurl(fileUrl.toURI());
HttpClient HttpClient=新的DefaultHttpClient();
HttpResponse response=(HttpResponse)httpClient.execute(httpRequest);
BufferedHttpEntity buffer=新的BufferedHttpEntity(response.getEntity());
返回BitmapFactory.decodeStream(buffer.getContent());
}捕获(IllegalArgumentException e){
e、 printStackTrace();
}捕获(URISyntaxException e){
e、 printStackTrace();
}
返回null;
}
}
您可以在活动中通过setWebClient(新的MyWebViewClient(this))
将WebViewClient添加到您的WebView中。您可以使用自定义并实现shouldOverrideUrlLoading()
方法来处理在活动中单击图像的操作。在那里,您可以下载图像并将其设置为壁纸
下面是这样一个WebViewClient
的示例:
public class MyWebViewClient extends WebViewClient {
private WallpaperManager mWallpaperManager;
private Context mContext;
public MyWebViewClient(Context context) {
mContext = context;
mWallpaperManager = WallpaperManager.getInstance(context);
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (url.endsWith(".png") || url.endsWith(".jpg") || url.endsWith(".jpeg")) {
new AsyncTask<String, Void, Bitmap>() {
@Override
protected Bitmap doInBackground(String... params) {
try {
return downloadImage(params[0]);
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Bitmap result) {
if (result != null) {
try {
mWallpaperManager.setBitmap(result);
Toast.makeText(mContext, "Done!!", Toast.LENGTH_SHORT).show();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}.execute(url);
return true;
}
return false;
}
private Bitmap downloadImage(String fileUrl) throws IOException {
try {
HttpGet httpRequest = new HttpGet(new URL(fileUrl).toURI());
HttpClient httpClient = new DefaultHttpClient();
HttpResponse response = (HttpResponse) httpClient.execute(httpRequest);
BufferedHttpEntity buffer = new BufferedHttpEntity(response.getEntity());
return BitmapFactory.decodeStream(buffer.getContent());
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (URISyntaxException e) {
e.printStackTrace();
}
return null;
}
}
公共类MyWebViewClient扩展了WebViewClient{
私人墙纸经理;
私有上下文;
公共MyWebViewClient(上下文){
mContext=上下文;
mWallpaperManager=wallperManager.getInstance(上下文);
}
@凌驾
公共布尔值shouldOverrideUrlLoading(WebView视图,字符串url){
if(url.endsWith(“.png”)| url.endsWith(“.jpg”)| url.endsWith(“.jpeg”)){
新建异步任务(){
@凌驾
受保护位图doInBackground(字符串…参数){
试一试{
返回下载图像(参数[0]);
}捕获(IOE异常){
e、 printStackTrace();
}
返回null;
}
@凌驾
受保护的void onPostExecute(位图结果){
如果(结果!=null){
试一试{
mWallpaperManager.setBitmap(结果);
Toast.makeText(mContext,“Done!!”,Toast.LENGTH_SHORT.show();
}捕获(IOE异常){
e、 printStackTrace();
}
}
}
}.执行(url);
返回true;
}
返回false;
}
私有位图下载图像(字符串文件URL)引发IOException{
试一试{
HttpGet-httpRequest=newhttpget(newurl(fileUrl.toURI());
HttpClient HttpClient=新的DefaultHttpClient();
HttpResponse response=(HttpResponse)httpClient.execute(httpRequest);
BufferedHttpEntity buffer=新的BufferedHttpEntity(response.getEntity());
返回BitmapFactory.decodeStream(buffer.getContent());
}捕获(IllegalArgumentException e){
e、 printStackTrace();
}捕获(URISyntaxException e){
e、 printStackTrace();
}
返回null;
}
}
您可以通过活动中的
setWebClient(新的MyWebViewClient(this))
将WebViewClient添加到您的WebView中。您有示例或示例代码吗??我对安卓开发完全陌生。顺便说一句,我已经把它作为setWebClient()了,好的,我开始了:public void onLoadResource(WebView视图,字符串url){if(url.contains(.png”)| | url.contains(.jpg”)| | | url.contains(.jpeg”){//想做什么就做什么}
我很少出错。我做了一切,甚至导入了所有需要的文件。SDK 3.2=13。我把错误贴在上面了。我们是否可以交换skype或gtalk。我真的需要帮助。我已经添加了我的整个java文件。你有一个示例或示例代码吗??我对安卓开发完全陌生。顺便说一句,我已经有了