实现效果
2. 实现步奏
主 activity布局
import com.chencheng.meituan.fragment.SingupStep1Fragment;
import com.chencheng.meituan.fragment.SingupStep2Fragment;
import com.chencheng.meituan.fragment.SingupStep3Fragment;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
public class UserRegistActivity extends FragmentActivity implements OnClickListener {
private Fragment myFragment;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.fragment_signup);
addFragment();
findViewById(R.id.step1).setOnClickListener(this);
findViewById(R.id.step2).setOnClickListener(this);
findViewById(R.id.step3).setOnClickListener(this);
setFragment(myFragment);
}
private void setFragment(Fragment myFragment2) {
// 替换
FragmentManager fm = getSupportFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
ft.replace(R.id.container, myFragment);
ft.commit();
}
private void addFragment() {
// 添加
FragmentManager fm = getSupportFragmentManager();
FragmentTransaction ft = fm.beginTransaction();
myFragment = new SingupStep1Fragment();
ft.replace(R.id.container, myFragment);
ft.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.user_regist, 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);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.step1:
myFragment = new SingupStep1Fragment();
setFragment(myFragment);
break;
case R.id.step2:
myFragment = new SingupStep2Fragment();
setFragment(myFragment);
break;
case R.id.step3:
myFragment = new SingupStep3Fragment();
setFragment(myFragment);
break;
default:
break;
}
}
}