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這是我的第一個問題,所以我會嘗試b儘可能精確。我正在嘗試使用片段活動,片段列表和查看傳呼器來創建應用程序。當活動默認加載時,片段列表應該顯示在左側,視圖分頁器顯示在右側(詳細視圖)。當我點擊其中一個片段列表按鈕時,我想在詳細視圖(右側)中加載web視圖。ViewPager和片段活動中的FragmentList
我已經使用Fragment List實現了片段活動。現在怎麼查看傳呼機添加到這一點,以便它顯示了應用程序加載的時候了..
public class MainActivity extends FragmentActivity implements McDonaldsListener {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
McDonaldsFragment countries
=(McDonaldsFragment)getSupportFragmentManager()
.findFragmentById(R.id.countries);
countries.setCountryListener(this);
Fragment f=getSupportFragmentManager().findFragmentById(R.id.details);
countries.enablePersistentSelection();
}
@Override
public void onCountrySelected(McDonalds c) {
String url=getString(c.url);
((DetailsFragment)getSupportFragmentManager()
.findFragmentById(R.id.details))
.loadUrl(url);
}
}
還有其他支持類,其是否有必要,我將它張貼。
希望有人能爲我提供一些解決方案。
編輯: 這就是我想實現,但dosent工作....給出了實例化異常:(
public class ViewPagerExample extends android.support.v4.app.FragmentActivity implements McDonaldsListener {
private MyAdapter mAdapter;
private ViewPager mPager;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mAdapter = new MyAdapter(getSupportFragmentManager());
mPager = (ViewPager) findViewById(R.id.pager);
mPager.setAdapter(mAdapter);
McDonaldsFragment mc
=(McDonaldsFragment)getSupportFragmentManager()
.findFragmentById(R.id.countries);
mc.setCountryListener(this);
Fragment f=getSupportFragmentManager().findFragmentById(R.id.details);
mc.enablePersistentSelection();
}
public void onCountrySelected(McDonalds c) {
String url=getString(c.url);
((DetailsFragment)getSupportFragmentManager()
.findFragmentById(R.id.details))
.loadUrl(url);
}
public static class MyAdapter extends FragmentPagerAdapter {
public MyAdapter(FragmentManager fm) {
super(fm);
}
@Override
public int getCount() {
return 3;
}
@Override
public Fragment getItem(int position) {
switch (position) {
case 0:
return new DetailFragment();
case 1:
return new ImageFragment(R.drawable.ic_launcher);
case 2:
return new ImageFragment(R.drawable.ic_launcher);
default:
return null;
}
}
}
}
thanx的答覆。 ....好,這給了我viewpager ....但我如何將它與我目前的代碼? – LeXeR
終於設法讓它運行.... – LeXeR