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I am working on fragements of NAvigation Drawer .Andi copy the code of Activity to fragments to execute in fragment . I have done that , layout is visible , but none of the button action works under that Fragment Activity .
Can you tell me what i did wrong ?
FragmentTwo.java
public class FragmentTwo extends Fragment {
Button blog,fb,twitter,mail;
ImageView dateimg;
private boolean snet;
public FragmentTwo()
{
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view=inflater.inflate(R.layout.contact_lay,container, false);
System.out.println("Kaks7");
dateimg = (ImageView) getActivity().findViewById(R.id.img);
blog= (Button) getActivity().findViewById(R.id.btnGplus);
fb = (Button) getActivity().findViewById(R.id.btnFb);
twitter = (Button)getActivity().findViewById(R.id.btnTwitter);
mail = (Button)getActivity().findViewById(R.id.btnMail);
System.out.println("K17");
new LongOperation().execute();
return view;
}
private class LongOperation extends AsyncTask<Void, Void, Void> {
protected void onPreExecute() {
}
@Override
protected Void doInBackground(Void... params) {
// TODO Auto-generated method stub
return null;
}
@Override
protected void onPostExecute(Void result) {
try{
fb.setOnClickListener(new OnClickListener()
{
public void onClick(View vb)
{
try{
System.out.println("7");
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("fb://profile/10000003242252"));
startActivity(intent);
}catch(Exception e){
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("https://m.facebook.com/facebook")));
}
}
});
twitter.setOnClickListener(new OnClickListener()
{
public void onClick(View vc)
{
try {
Intent intent = new Intent(Intent.ACTION_VIEW,
Uri.parse("twitter://user?screen_name=dhoom"));
startActivity(intent);
}catch (Exception e) {
startActivity(new Intent(Intent.ACTION_VIEW,
Uri.parse("https://mobile.twitter.com/#!/dhoom")));
}
}
});
blog.setOnClickListener(new OnClickListener()
{
public void onClick(View va)
{ System.out.println("7s");
try {
System.out.println("5s");
String url = "http://google.com";
Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(Uri.parse(url));
startActivity(i);
}
catch(Exception e){
System.out.println("6s");
startActivity(new Intent(Intent.ACTION_VIEW,
Uri.parse("http://www.google.com")));
}
}
});
mail.setOnClickListener(new OnClickListener()
{
public void onClick(View va)
{
try {
Intent send = new Intent(Intent.ACTION_SENDTO);
String uriText = "mailto:" + Uri.encode("[email protected]") +
"?subject=" + Uri.encode("the subject") +
"&body=" + Uri.encode("the body of the message");
Uri uri = Uri.parse(uriText);
send.setData(uri);
startActivity(Intent.createChooser(send, "Send mail..."));
}
catch(Exception e){
Toast.makeText(getActivity().getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
// this.progressDialog.dismiss();
}
}
});
dateimg.setOnClickListener(new OnClickListener()
{
public void onClick(View va)
{
if(snet==false)
{
soundstart();
snet=true;
}
}
});
}
catch(Exception e){
//Toast.makeText(getApplicationContext(), e.toString(), Toast.LENGTH_LONG).show();
}
}
}
public void soundstart()
{
// TODO Auto-generated method stub
MediaPlayer mplayer =MediaPlayer.create(getActivity(),R.raw.contact_sound);
mplayer.start();
}
}
Activity
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity"
android:background="@drawable/abc">
<RelativeLayout
android:layout_width="wrap_content"
android:id="@+id/text"
android:orientation="vertical"
android:gravity="center"
android:layout_gravity="center"
android:layout_height="wrap_content" >
<TextView
android:id="@+id/textView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:gravity="center"
android:paddingTop="-30dp"
android:text="© iamrajkaran || Raj Karan"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#FFFFFF"
android:textSize="20sp"
android:textStyle="bold" />
</RelativeLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:background="@drawable/linearlayout_bg"
android:orientation="vertical"
android:layout_marginTop="30dp"
android:padding="7dp" >
<Button
android:id="@+id/btnGplus"
style="@style/ButtonText"
android:layout_width="fill_parent"
android:layout_height="48dp"
android:layout_margin="4dp"
android:background="@drawable/layers_blog_button_bg"
android:padding="10dp"
android:text="Know me on my blog" />
<Button
android:id="@+id/btnFb"
style="@style/ButtonText"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:background="@drawable/layers_fb_button_bg"
android:padding="10dp"
android:text="Join me on facebook" />
<Button
android:id="@+id/btnTwitter"
style="@style/ButtonText"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_margin="4dp"
android:background="@drawable/layers_twitter_button_bg"
android:padding="10dp"
android:text="Follow me on twitter" />
<Button
android:id="@+id/btnMail"
style="@style/ButtonText"
android:layout_width="match_parent"
android:layout_height="48dp"
android:layout_margin="4dp"
android:background="@drawable/layers_mail_button_bg"
android:padding="10dp"
android:text="Mail Your Feedback" />
</LinearLayout>
<RelativeLayout
android:layout_width="fill_parent"
android:id="@+id/texwt"
android:orientation="vertical"
android:gravity="bottom"
android:layout_gravity="center"
android:layout_marginTop="240dp"
android:layout_height="wrap_content" >
<ImageView
android:id="@+id/img"
android:layout_width="180dp"
android:layout_height="180dp"
android:layout_alignParentBottom="true"
android:layout_centerHorizontal="true"
android:gravity="center"
android:paddingLeft="30dp"
android:paddingRight="0dp"
android:src="@drawable/ic_form" />
</RelativeLayout>
<TextView
android:id="@+id/textView2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:gravity="center"
android:layout_marginTop="40dp"
android:text="Touch Me"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#FFFFFF"
android:textSize="22sp"
android:textStyle="bold" />
</RelativeLayout>**
805
setOnClickListener(this); means that you want to assign listener for your Button “on this instance” this instance represents OnClickListener and for this reason your class have to implement that interface. If you have more than one button click event, you can use switch case to identify which button is clicked.
You need to put the setOnClickListener in one of the activity callbacks. In your onCreate() method, move the button there and then setOnClickListener() . Save this answer.
OnClickListener and wires the listener to the button using setOnClickListener(View. OnClickListener) . As a result, the system executes the code you write in onClick(View) after the user presses the button. The system executes the code in onClick on the main thread.
In Android, TextView is a child class of View, and hence can use the method setOnClickListener() on the object of TextView. In this tutorial, we will learn how to set OnClickListener for TextView in Kotlin file, with the help of an example.
use the view instead of using the getactivity(),your get the view from inflate view,so use the view
dateimg = (ImageView) view.findViewById(R.id.img);
instead of using this,
dateimg = (ImageView) getActivity().findViewById(R.id.img);
change likewise for all widgets view.
107
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