Fragment----静态创建碎片

import android.os.Bundle;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.view.Menu;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;

/**
 * 
 * 有3个fragment，当点击按钮时，显示第二个fragment的textView的内容
 * @author qq
 *
 */
public class MainActivity extends Activity {

    private FragmentManager manager;//fragment管理器
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
    
    public void showInfo(View v)
    {
        //获取碎片管理器----可以直接在 activity获取到
        manager = getFragmentManager();
        
        //使用碎片管理器得到需要的碎片对象
        Fragment fragment = manager.findFragmentById(R.id.fragment1);
        
        //得到碎片对象中的布局对象
        View view = fragment.getView();
        
        TextView textView = (TextView)view;
        
        Toast.makeText(this, textView.getText(), Toast.LENGTH_SHORT).show();
        
    }



}

import com.example.gp08_day23_fragment2.R;

import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;


public class TestFragment extends Fragment {

    
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        
        return  inflater.inflate(R.layout.fragment_layout, null);
    }

}