Java Android中监听器内的监听器按钮
我有以下代码。。。这个列表基本上是“监听”要点击的项目,一旦点击,它就会打开一个对话框,里面有一个按钮。 我不能让按钮听。。。即使我这样做了…应用程序也会崩溃。 eclipse并没有自动允许我“超越”onClick()Java Android中监听器内的监听器按钮,java,android,android-layout,android-arrayadapter,Java,Android,Android Layout,Android Arrayadapter,我有以下代码。。。这个列表基本上是“监听”要点击的项目,一旦点击,它就会打开一个对话框,里面有一个按钮。 我不能让按钮听。。。即使我这样做了…应用程序也会崩溃。 eclipse并没有自动允许我“超越”onClick() WeatherAdapter=新的WeatherAdapter(此,R.layout.listview\u标题行,weather\u数据); listView1=(ListView)FindView wByd(R.id.listView1); 视图标题=(视图)GetLayout
WeatherAdapter=新的WeatherAdapter(此,R.layout.listview\u标题行,weather\u数据);
listView1=(ListView)FindView wByd(R.id.listView1);
视图标题=(视图)GetLayoutFlater()。充气(R.layout.listview\u header\u行,空);
//listView1.addHeaderView(标题);
listView1.setAdapter(适配器);
listView1.setClickable(真);
listView1.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(适配器视图arg0、视图arg1、内部位置、长arg3){
Dialog Dialog=新建对话框(Activity2.this);
setContentView(R.layout.dialogxml);
对话框。可设置可取消(true);
ImageView dcover=(ImageView)dialog.findViewById(R.id.dimageView1);
TextView dtitle=(TextView)dialog.findViewById(R.id.dtextView1);
TextView-dyear=(TextView)dialog.findViewById(R.id.dtextView2);
TextView ddirector=(TextView)dialog.findViewById(R.id.dtextView3);
TextView拖动=(TextView)dialog.findViewById(R.id.dtextView4);
TextView len1=(TextView)dialog.findViewById(R.id.textView77);
按钮postbutton=(按钮)findViewById(R.id.buttonfb);
输入流为;
试一试{
is=(InputStream)新URL(完整的[position][0])。getContent();
Drawable dd=Drawable.createFromStream(是“src名称”);
数据覆盖设置图像可绘制(dd);
}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();
}
dtitle.setText(“名称:“+完整数据[位置][1]);
dyear.setText(“年份:+完整数据[位置][2]);
ddirector.setText(“董事:“+full_data[position][4]);
drating.setText(“评级:+完整数据[位置][3]+”/10”);
dialog.show();
//无法执行此操作!!postbutton.setOnClickListener(新视图。OnClickListener(){
@凌驾
公共void onClick(视图v){
}
});
}
捕获到错误
按钮postbutton=(按钮)findViewById(R.id.buttonfb);应为
按钮postbutton=(Button)dialog.findViewById(R.id.buttonfb);如果按钮在对话框中。-我认为
postbutton
在对话框中,如果是这样的话,您需要通过以下方式找到它的id
Button postbutton=(Button)对话框。findViewById(R.id.buttonfb);
用此替换您的代码
因为您的按钮位于对话框内,所以您需要使用对话框视图findviewbyid
WeatherAdapter adapter = new WeatherAdapter(this,R.layout.listview_header_row, weather_data);
listView1 = (ListView)findViewById(R.id.listView1);
View header = (View)getLayoutInflater().inflate(R.layout.listview_header_row, null);
//listView1.addHeaderView(header);
listView1.setAdapter(adapter);
listView1.setClickable(true);
listView1.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) {
Dialog dialog = new Dialog (Activity2.this);
dialog.setContentView(R.layout.dialogxml);
dialog.setCancelable(true);
ImageView dcover=(ImageView) dialog.findViewById(R.id.dimageView1);
TextView dtitle = (TextView) dialog.findViewById(R.id.dtextView1);
TextView dyear = (TextView) dialog.findViewById(R.id.dtextView2);
TextView ddirector = (TextView) dialog.findViewById(R.id.dtextView3);
TextView drating = (TextView) dialog.findViewById(R.id.dtextView4);
TextView len1 = (TextView) dialog.findViewById(R.id.textView77);
Button postbutton=(Button) dialog.findViewById(R.id.buttonfb);
InputStream is;
try {
is = (InputStream) new URL(full_data[position][0]).getContent();
Drawable dd = Drawable.createFromStream(is, "src name");
dcover.setImageDrawable(dd);
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
dtitle.setText("Name: "+full_data[position][1]);
dyear.setText("Year: "+full_data[position][2]);
ddirector.setText("Director: "+full_data[position][4]);
drating.setText("Rating: "+full_data[position][3]+"/10");
dialog.show();
postbutton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
}
WeatherAdapter=新的WeatherAdapter(此,R.layout.listview\u标题行,weather\u数据);
listView1=(ListView)findViewById(R.id.listView1);
视图标题=(视图)GetLayoutFlater()。充气(R.layout.listview\u header\u行,空);
//listView1.addHeaderView(标题);
listView1.setAdapter(适配器);
listView1.setClickable(真);
listView1.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(适配器视图arg0、视图arg1、内部位置、长arg3){
Dialog Dialog=新建对话框(Activity2.this);
setContentView(R.layout.dialogxml);
对话框。可设置可取消(true);
ImageView dcover=(ImageView)dialog.findViewById(R.id.dimageView1);
TextView dtitle=(TextView)dialog.findViewById(R.id.dtextView1);
TextView-dyear=(TextView)dialog.findViewById(R.id.dtextView2);
TextView ddirector=(TextView)dialog.findViewById(R.id.dtextView3);
TextView拖动=(TextView)dialog.findViewById(R.id.dtextView4);
TextView len1=(TextView)dialog.findViewById(R.id.textView77);
按钮postbutton=(按钮)dialog.findViewById(R.id.buttonfb);
输入流为;
试一试{
is=(InputStream)新URL(完整的[position][0])。getContent();
Drawable dd=Drawable.createFromStream(是“src名称”);
数据覆盖设置图像可绘制(dd);
}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();
}
dtitle.setText(“名称:“+完整数据[位置][1]);
dyear.setText(“年份:+完整数据[位置][2]);
ddirector.setText(“董事:“+full_data[position][4]);
drating.setText(“评级:+完整数据[位置][3]+”/10”);
dialog.show();
postbutton.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
}
});
}
WeatherAdapter adapter = new WeatherAdapter(this,R.layout.listview_header_row, weather_data);
listView1 = (ListView)findViewById(R.id.listView1);
View header = (View)getLayoutInflater().inflate(R.layout.listview_header_row, null);
//listView1.addHeaderView(header);
listView1.setAdapter(adapter);
listView1.setClickable(true);
listView1.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) {
Dialog dialog = new Dialog (Activity2.this);
dialog.setContentView(R.layout.dialogxml);
dialog.setCancelable(true);
ImageView dcover=(ImageView) dialog.findViewById(R.id.dimageView1);
TextView dtitle = (TextView) dialog.findViewById(R.id.dtextView1);
TextView dyear = (TextView) dialog.findViewById(R.id.dtextView2);
TextView ddirector = (TextView) dialog.findViewById(R.id.dtextView3);
TextView drating = (TextView) dialog.findViewById(R.id.dtextView4);
TextView len1 = (TextView) dialog.findViewById(R.id.textView77);
Button postbutton=(Button) dialog.findViewById(R.id.buttonfb);
InputStream is;
try {
is = (InputStream) new URL(full_data[position][0]).getContent();
Drawable dd = Drawable.createFromStream(is, "src name");
dcover.setImageDrawable(dd);
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
dtitle.setText("Name: "+full_data[position][1]);
dyear.setText("Year: "+full_data[position][2]);
ddirector.setText("Director: "+full_data[position][4]);
drating.setText("Rating: "+full_data[position][3]+"/10");
dialog.show();
postbutton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
}