Android动态添加碎片代码实例

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="这是碎片1"/>
</LinearLayout>

public class Fragment1 extends Fragment {
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
View view=inflater.inflate(R.layout.fragment_questions1,container,false);
Log.d("questionMain1","碎片1加载");
return view;
}
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="这是碎片3"/>
<fragment
android:id="@+id/fragment1"
android:name="com.example.fragment1"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</LinearLayout>

package com.xiaobu.xiaoyan1.question;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.View;
import android.widget.TextView;
import com.xiaobu.xiaoyan1.R;
import com.xiaobu.xiaoyan1.base.BaseActivity;
public class QuestionsMain extends BaseActivity implements TextView.OnClickListener{
private TextView fragment1;
private TextView fragment2;
private TextView fragment3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_question_main);
initView();
}
private void initView(){
((TextView)findViewById(R.id.question_text)).setTextColor(getResources().getColor(R.color.colorTextChecked));
fragment1=(TextView)findViewById(R.id.quiz_text_view);
fragment2=(TextView)findViewById(R.id.answer_text_view);
fragment3=(TextView)findViewById(R.id.chosen_text_view);
fragment1.setOnClickListener(this);
fragment2.setOnClickListener(this);
fragment3.setOnClickListener(this);
changeFragment(new QuestionsMain1());
checkedChange(fragment1);
}
@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.quiz_text_view:
changeFragment(new QuestionsMain1());
break;
case R.id.answer_text_view:
changeFragment(new QuestionsMain2());
break;
case R.id.chosen_text_view:
changeFragment(new QuestionsMain3());
break;
default:
break;
}
}
private void changeFragment(Fragment fragment){
FragmentManager fragmentManager=getSupportFragmentManager();
FragmentTransaction transaction=fragmentManager.beginTransaction();
transaction.replace(R.id.main_view,fragment);//第一个参数表示容器的id，第二个参数为碎片实例。
transaction.commit();
}
}