Подскажите, почему OnSeekBarChangeListener не работает в PlaceholderFragment ?
Вроде как всё правильно сделал.
MainActivity.java
[syntax=java]package com.example.p0181_dynamiclayout3;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.os.Build;
public class MainActivity extends ActionBarActivity {
private static final String TAG = "myLogs";
@Override
protected void onCreate(Bundle savedInstanceState) {
Log.d(TAG,"MainActivity onCreate");
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState == null) {
getSupportFragmentManager().beginTransaction()
.add(R.id.container, new PlaceholderFragment()).commit();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* A placeholder fragment containing a simple view.
*/
public static class PlaceholderFragment extends Fragment
implements OnSeekBarChangeListener{
private static final String TAG = "myLogs";
SeekBar sbWeigth;
Button btn1, btn2;
LinearLayout.LayoutParams lParams1;
LinearLayout.LayoutParams lParams2;
public PlaceholderFragment() {
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_main, container,
false);
Log.d(TAG,"PlaceholderFragment onCreateView");
return rootView;
}
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
int leftValue = progress;
int rightValue = seekBar.getMax() - progress;
lParams1.weight = leftValue;
lParams2.weight = rightValue;
btn1.setText(String.valueOf(leftValue));
btn2.setText(String.valueOf(rightValue));
Log.d(TAG, "Exec change");
}
@Override
public void onStartTrackingTouch(SeekBar arg0) {
// TODO Auto-generated method stub
Log.d(TAG, "onStartTrackingTouch");
}
@Override
public void onStopTrackingTouch(SeekBar arg0) {
// TODO Auto-generated method stub
Log.d(TAG, "onStopTrackingTouch");
}
}
}
[/syntax]
fragment_main.xml
[syntax=xml]<LinearLayout xmlns:android="
http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<SeekBar
android:id="@+id/sbWeight"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="20dp"
android:max="100"
android:progress="50" >
</SeekBar>
<LinearLayout
android:id="@+id/linearLayout1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="30dp"
android:orientation="horizontal" >
<Button
android:id="@+id/btn1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button1" >
</Button>
<Button
android:id="@+id/btn2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="Button2" >
</Button>
</LinearLayout>
</LinearLayout>
[/syntax]
Тут должна быть подпись.