FragmentApp界面（2）

FragmentApp界面（2）

效果图：

代码如下：

package com.example.fragmentapp;import android.app.Activity;import android.app.Fragment;import android.app.FragmentManager;import android.app.FragmentTransaction;import android.graphics.Color;import android.os.Bundle;import android.view.View;import android.widget.TextView;public class MainActivity extends Activity {private staticint POSITION=-1;privateTextView[] texts=new TextView[3];privateFragment[] fragments=new Fragment[3];privateTextView title;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);title = (TextView) findViewById(R.id.title);texts[0]=(TextView) findViewById(R.id.message);texts[1]=(TextView) findViewById(R.id.contact);texts[2]=(TextView) findViewById(R.id.start);fragments[0] = new MessageFragment();fragments[1]= new ContactFragment();fragments[2] = new StartFragment();choose(0);addTextViewListener(texts[0], 0);addTextViewListener(texts[1], 1);addTextViewListener(texts[2], 2);}private void addTextViewListener(TextView text, final int pos) {text.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {choose(pos);}});}//messageText.setOnClickListener(new View.OnClickListener() {////@Override//public void onClick(View v) {//choose(0);//}//});////contactText.setOnClickListener(new View.OnClickListener() {////@Override//public void onClick(View v) {//choose(1);//}//});////startText.setOnClickListener(new View.OnClickListener() {////@Override//public void onClick(View v) {//choose(2);//}//});//}private void choose(int pos) {//重复的点击if(pos == POSITION)return;for(int i=0;i<texts.length;i++){//选中if(pos == i){texts[i].setTextColor(Color.RED);texts[i].setBackgroundColor(Color.LTGRAY);title.setText(texts[i].getText() + "");loadFragment(fragments[i]);}//未被选中else{texts[i].setTextColor(Color.DKGRAY);texts[i].setBackgroundColor(Color.WHITE);}}POSITION = pos;}//if (pos == 0) {//messageText.setTextColor(Color.RED);//messageText.setBackgroundColor(Color.LTGRAY);////contactText.setTextColor(Color.DKGRAY);//contactText.setBackgroundColor(Color.WHITE);////startText.setTextColor(Color.DKGRAY);//startText.setBackgroundColor(Color.WHITE);////loadFragment(messageFragment);////}//if (pos == 1) {//contactText.setTextColor(Color.RED);//contactText.setBackgroundColor(Color.LTGRAY);////messageText.setTextColor(Color.DKGRAY);//messageText.setBackgroundColor(Color.WHITE);////startText.setTextColor(Color.DKGRAY);//startText.setBackgroundColor(Color.WHITE);////loadFragment(contactFragment);//}////if (pos == 2) {//startText.setTextColor(Color.RED);//startText.setBackgroundColor(Color.LTGRAY);////messageText.setTextColor(Color.DKGRAY);//messageText.setBackgroundColor(Color.WHITE);////contactText.setTextColor(Color.DKGRAY);//contactText.setBackgroundColor(Color.WHITE);////loadFragment(startFragment);//}private void loadFragment(Fragment f) {FragmentManager fm = this.getFragmentManager();FragmentTransaction ft = fm.beginTransaction();ft.replace(R.id.content, f);ft.commit();}}

package com.example.fragmentapp;import android.app.Fragment;import android.graphics.Color;import android.os.Bundle;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.TextView;public class MessageFragment extends Fragment{@Overridepublic View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {View view = inflater.inflate(android.R.layout.simple_list_item_1,null);return view;}@Overridepublic void onViewCreated(View view, Bundle savedInstanceState) {TextView text = (TextView) view.findViewById(android.R.id.text1);text.setText("消息界面");text.setBackgroundColor(Color.YELLOW);}}

package com.example.fragmentapp;//import android.app.Fragment;import android.app.ListFragment;//import android.graphics.Color;import android.os.Bundle;//import android.view.LayoutInflater;//import android.view.View;//import android.view.ViewGroup;import android.widget.ArrayAdapter;//import android.widget.TextView;public class ContactFragment extends ListFragment{@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);String[] data=new String[66];for(int i=0;i<data.length;i++){data[i]="联系人："+i;}ArrayAdapter adapter=new ArrayAdapter(getActivity(),android.R.layout.simple_list_item_1,data);this.setListAdapter(adapter);}//@Override//public View onCreateView(LayoutInflater inflater, ViewGroup container,//Bundle savedInstanceState) {////View view=inflater.inflate(android.R.layout.simple_list_item_1,null);//TextView text=(TextView) view.findViewById(android.R.id.text1);//text.setText("联系人界面");//text.setBackgroundColor(Color.GREEN);////returnview;//}}

package com.example.fragmentapp;import android.app.Fragment;import android.graphics.Color;import android.os.Bundle;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.TextView;public class StartFragment extends Fragment {@Overridepublic View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {View view=inflater.inflate(android.R.layout.simple_list_item_1,null);returnview;}@Overridepublic void onViewCreated(View view, Bundle savedInstanceState) {TextView text=(TextView) view.findViewById(android.R.id.text1);text.setText("动态界面");text.setBackgroundColor(Color.RED);}}

xml布局：

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical"    tools:context="com.example.fragmentapp.MainActivity" >    <TextView        android:id="@+id/title"        android:layout_width="match_parent"        android:layout_height="0dip"        android:gravity="center"        android:textSize="24sp"        android:padding="10dip"        android:layout_weight="1"        android:text="标题" />       <FrameLayout        android:id="@+id/content"        android:layout_width="match_parent"        android:layout_height="0dip"        android:layout_weight="8" />        <LinearLayout        android:layout_width="match_parent"        android:layout_height="0dip"                android:layout_weight="1"        android:orientation="horizontal" >        <TextView            android:id="@+id/message"            android:layout_width="wrap_content"            android:layout_height="match_parent"            android:layout_weight="1"            android:gravity="center"            android:textSize="25sp"            android:text="消息" />        <TextView            android:id="@+id/contact"            android:layout_width="wrap_content"            android:layout_height="match_parent"            android:layout_weight="1"            android:gravity="center"            android:textSize="25sp"            android:text="联系人" />                <TextView            android:id="@+id/start"            android:layout_width="wrap_content"            android:layout_height="match_parent"            android:layout_weight="1"            android:gravity="center"            android:textSize="25sp"            android:text="动态" />          </LinearLayout></LinearLayout>