帧布局

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package com.example.myapplication;import android.graphics.Color;import android.os.Bundle;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentTransaction;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.TextView;import fragments.Sy;import fragments.Wd;import fragments.Wtt;import fragments.Xg;public class MainActivity extends AppCompatActivity {    private TextView shouye;    private TextView xigua;    private TextView wtt;    private TextView wode;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);//查找控件        shouye = (TextView) findViewById(R.id.shouye);        xigua = (TextView) findViewById(R.id.xigua);        wtt = (TextView) findViewById(R.id.wtt);        wode = (TextView) findViewById(R.id.wode);//展示第一个视图        FragmentManager manager=getSupportFragmentManager();        FragmentTransaction transaction = manager.beginTransaction();        transaction.replace(R.id.fl,new Sy());        transaction.commit();        shouye.setTextColor(Color.RED);        xigua.setTextColor(Color.GRAY);        wtt.setTextColor(Color.GRAY);        wode.setTextColor(Color.GRAY);        //点击事件        shouye.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                FragmentManager manager=getSupportFragmentManager();                FragmentTransaction transaction = manager.beginTransaction();                transaction.replace(R.id.fl,new Sy());                transaction.commit();                shouye.setTextColor(Color.RED);                xigua.setTextColor(Color.GRAY);                wtt.setTextColor(Color.GRAY);                wode.setTextColor(Color.GRAY);            }        });        xigua.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                FragmentManager manager=getSupportFragmentManager();                FragmentTransaction transaction = manager.beginTransaction();                transaction.replace(R.id.fl,new Xg());                transaction.commit();                shouye.setTextColor(Color.GRAY);                xigua.setTextColor(Color.RED);                wtt.setTextColor(Color.GRAY);                wode.setTextColor(Color.GRAY);            }        });        wtt.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                FragmentManager manager=getSupportFragmentManager();                FragmentTransaction transaction = manager.beginTransaction();                transaction.replace(R.id.fl,new Wtt());                transaction.commit();                shouye.setTextColor(Color.GRAY);                xigua.setTextColor(Color.GRAY);                wtt.setTextColor(Color.RED);                wode.setTextColor(Color.GRAY);            }        });        wode.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                FragmentManager manager=getSupportFragmentManager();                FragmentTransaction transaction = manager.beginTransaction();                transaction.replace(R.id.fl,new Wd());                transaction.commit();                shouye.setTextColor(Color.GRAY);                xigua.setTextColor(Color.GRAY);                wtt.setTextColor(Color.GRAY);                wode.setTextColor(Color.RED);            }        });    }}

//布局<FrameLayout    android:layout_width="match_parent"    android:layout_height="match_parent"    android:layout_above="@+id/ll"    android:id="@+id/fl"></FrameLayout>
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