Java Android ImageView指向网站的链接
我想要一个图像链接到一个网站。我知道这是可能的,但我对Java的知识非常基础。其余的应用程序已经完成,我只需要这个来完成它。 我已经添加了权限Java Android ImageView指向网站的链接,java,android,eclipse,Java,Android,Eclipse,我想要一个图像链接到一个网站。我知道这是可能的,但我对Java的知识非常基础。其余的应用程序已经完成,我只需要这个来完成它。 我已经添加了权限 <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_heigh
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<ImageView
android:id="@+id/imageView1"
android:layout_width="200dp"
android:layout_height="200dp"
android:layout_centerHorizontal="true"
android:src="@drawable/uccw_skins_icon" />
<Button
android:id="@+id/buttonRepairSkin"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/imageView1"
android:layout_centerHorizontal="true"
android:layout_gravity="center|center_vertical"
android:layout_marginTop="8dp"
android:gravity="center|center_horizontal"
android:text="@string/install_skin" />
<ImageView
android:id="@+id/imageView2"
android:layout_width="200dp"
android:layout_height="71dp"
android:layout_alignLeft="@+id/imageView1"
android:layout_below="@+id/ad"
android:layout_marginTop="35dp"
android:src="@drawable/reclamebanners" />
//load code while onCreate calls
</RelativeLayout>
//在onCreate调用时加载代码
这是MainActivity.java:
package penhoat.design.gs5free;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.content.res.AssetManager;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Toast;
public class MainActivity extends Activity {
// change this to your apk skin name
private static final String UCCW_TEST_SKIN_APK = "gs5free.apk";
// Do not touch code that follows unless you know what you are doing
private Context context;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
context = this;
setContentView(R.layout.main);
findViewById(R.id.buttonRepairSkin).setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
showInstallableSkins();
}
});
}
private class RepairSkinAsyncTask extends AsyncTask<Void, Void, Void> {
private ProgressDialog mDialog;
@Override
protected void onPreExecute() {
mDialog = ProgressDialog.show(context, "", "Processing...", true);
}
@Override
protected Void doInBackground(Void... nothing) {
String SDCARD_MYAPK_APK = Environment.getExternalStorageDirectory()
.getPath() + File.separator + "my_temporary_skin_apk.apk";
deleteOldSkin(SDCARD_MYAPK_APK);
saveSkinToSdCard(SDCARD_MYAPK_APK);
startAppInstaller(SDCARD_MYAPK_APK);
return null;
}
@Override
protected void onPostExecute(Void result) {
mDialog.dismiss();
finish();
}
}
/**
*
*/
private void showInstallableSkins() {
if (isSDcardAvailable()) {
new RepairSkinAsyncTask().execute();
} else {
Toast.makeText(this, "SD card not available", Toast.LENGTH_LONG)
.show();
}
}
private void deleteOldSkin(String pathToSkin) {
File file = new File(pathToSkin);
if (file.exists()) {
file.delete();
}
}
/**
* @param assetManager
* @param in
* @param out
* @param pathToSkin
*/
private void saveSkinToSdCard(String pathToSkin) {
AssetManager assetManager = getAssets();
InputStream in = null;
OutputStream out = null;
try {
in = assetManager.open(UCCW_TEST_SKIN_APK);
try {
out = new FileOutputStream(pathToSkin);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
byte[] buffer = new byte[1024];
int read;
while ((read = in.read(buffer)) != -1) {
out.write(buffer, 0, read);
}
in.close();
in = null;
out.flush();
out.close();
out = null;
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* @param pathToSkin
*/
private void startAppInstaller(String pathToSkin) {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.fromFile(new File(pathToSkin)),
"application/vnd.android.package-archive");
startActivity(intent);
}
private boolean isSDcardAvailable() {
String state = Environment.getExternalStorageState();
return state.contentEquals(Environment.MEDIA_MOUNTED)
|| state.contentEquals(Environment.MEDIA_MOUNTED_READ_ONLY);
}
}
package penhoat.design.gs5free;
导入java.io.File;
导入java.io.FileNotFoundException;
导入java.io.FileOutputStream;
导入java.io.IOException;
导入java.io.InputStream;
导入java.io.OutputStream;
导入android.app.Activity;
导入android.app.ProgressDialog;
导入android.content.Context;
导入android.content.Intent;
导入android.content.res.AssetManager;
导入android.net.Uri;
导入android.os.AsyncTask;
导入android.os.Bundle;
导入android.os.Environment;
导入android.view.view;
导入android.view.view.OnClickListener;
导入android.widget.Toast;
公共类MainActivity扩展了活动{
//将此更改为您的apk皮肤名称
专用静态最终字符串UCCW_TEST_SKIN_APK=“gs5free.APK”;
//除非您知道自己在做什么,否则不要触摸下面的代码
私人语境;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
上下文=这个;
setContentView(R.layout.main);
findViewById(R.id.buttonRepairSkin).setOnClickListener(
新的OnClickListener(){
@凌驾
公共void onClick(视图v){
showInstallableSkins();
}
});
}
私有类RepairSkinAsyncTask扩展了AsyncTask{
私人住宅;
@凌驾
受保护的void onPreExecute(){
mDialog=ProgressDialog.show(上下文“,”处理…”,true);
}
@凌驾
受保护的Void doInBackground(Void…nothing){
字符串SDCARD\u MYAPK\u APK=Environment.getExternalStorageDirectory()
.getPath()+File.separator+“我的临时皮肤”\u apk.apk;
deleteOldSkin(SDCARD_MYAPK_APK);
saveSkinToSdCard(SDCARD\u MYAPK\u APK);
startAppInstaller(SDCARD_MYAPK_APK);
返回null;
}
@凌驾
受保护的void onPostExecute(void结果){
mDialog.discouse();
完成();
}
}
/**
*
*/
私有void showInstallableSkins(){
如果(isSDcardAvailable()){
新建RepairSkinAsyncTask().execute();
}否则{
Toast.makeText(此“SD卡不可用”,Toast.LENGTH\u LONG)
.show();
}
}
私有void deleteOldSkin(字符串pathToSkin){
文件文件=新文件(pathToSkin);
if(file.exists()){
delete();
}
}
/**
*@param assetManager
*@param-in
*@param out
*@param pathToSkin
*/
私有void saveSkinToSdCard(字符串pathToSkin){
AssetManager AssetManager=getAssets();
InputStream in=null;
OutputStream out=null;
试一试{
in=资产管理器打开(UCCW\U测试\U皮肤\U APK);
试一试{
out=新文件输出流(pathToSkin);
}catch(filenotfounde异常){
e、 printStackTrace();
}
字节[]缓冲区=新字节[1024];
int-read;
while((read=in.read(buffer))!=-1){
输出。写入(缓冲区,0,读取);
}
in.close();
in=null;
out.flush();
out.close();
out=null;
}捕获(IOE异常){
e、 printStackTrace();
}
}
/**
*@param pathToSkin
*/
私有void startAppInstaller(字符串pathToSkin){
意向意向=新意向(意向.行动\视图);
intent.setDataAndType(Uri.fromFile(新文件(pathToSkin)),
“application/vnd.android.package归档文件”);
星触觉(意向);
}
私有布尔值isSDcardAvailable(){
String state=Environment.getExternalStorageState();
返回状态.contentEquals(Environment.MEDIA_-MOUNTED)
||state.contentEquals(Environment.MEDIA\u MOUNTED\u READ\u只读);
}
}
我尝试添加代码,我发现有人问过类似的问题,但正如我所说的,我几乎不懂java,其余的都是用xml做的。我的ImageView2必须链接到网站。只需为imageview添加一个单击侦听器,然后粘贴以下行即可
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.google.com"));
startActivity(browserIntent);
并添加internet权限您可以执行以下操作:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
context = this;
setContentView(R.layout.main);
findViewById(R.id.buttonRepairSkin).setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
showInstallableSkins();
}
});
findViewById(R.id. imageView2).setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
Log.d(getClass().getSimpleName(), "in onClick");
Intent browserIntent = new Intent(Intent.ACTION_VIEW);
browserIntent.setData(Uri.parse(url_to_website));
startActivity(browserIntent);
}
});
}
请告诉我,我需要在Java代码中的什么地方添加这个。很抱歉,但每次我尝试时,我都会在活动代码的setContentView(R.layout.main)下面失败。如果您在运行应用程序时遇到编译问题或错误,请复制错误消息,以便我可以更好地指导您。你会到达那里的!;)问题:我在编译过程中没有错误,但是我在模拟器中测试了它,当我单击它时它什么也不做:/n您可以尝试将android:clickable=“true”添加到xml中的ImageView中。为了确保调用了onClickListener,在创建意图之前在onClick方法中添加一个日志,如:log.d(getClass().getSimpleName(),“in onClick”);并查看是否在您的日志中显示。`@Override protected void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);context=this;setContentView(R.layout.main);findViewById(R.id.imageView2)。setOnClickListener(new OnClickListener(){@Override public void onClick(View v){Intent browserIntent=newintent(Intent.ACTION_VIEW);browserIntent.setData(Uri.parse(“);startActivity(browserIntent);}}}`这就是我的.java现在我该如何添加它,在哪里?正如我所说的,我对java的知识非常基础