[移动开发] 移动开发课程-作业1

作业内容：?完成类微信的门户页面框架设计，APP最少必须包含4个tab页面。

功能说明：展示出四个可切换界面：微信、消息、通讯录，设置

? ? ? ? ? ? ? ? ??四个Fragment?分别对应4个页面的内容：微信、朋友、通讯录、设置

制作底部界面：下面的button分成四块，每块由一个图标和一段文本构成。

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/linear_bottom"
    android:layout_width="match_parent"
    android:layout_gravity="bottom"
    android:background="@color/blue"
    android:layout_height="55dp">
 
    <LinearLayout
        android:id="@+id/wx_linear"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:orientation="vertical">
 
        <ImageView
            android:id="@+id/imageView"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            app:srcCompat="@drawable/p1" />
 
        <TextView
            android:id="@+id/textView"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="2"
            android:gravity="center"
            android:textColor="#fff"
 
            android:text="目录" />
 
    </LinearLayout>
 
    <LinearLayout
        android:id="@+id/txl_linear"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:orientation="vertical">
 
        <ImageView
            android:id="@+id/imageView2"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
 
            app:srcCompat="@drawable/p2" />
 
        <TextView
            android:id="@+id/textView2"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="2"
            android:gravity="center"
            android:text="消息"
            android:textColor="#fff" />
 
    </LinearLayout>
 
    <LinearLayout
        android:id="@+id/fx_linear"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:orientation="vertical">
 
        <ImageView
            android:id="@+id/imageView3"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            app:srcCompat="@drawable/p3" />
 
        <TextView
            android:id="@+id/textView3"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="2"
            android:gravity="center"
            android:textColor="#fff"
            android:text="设置" />
 
    </LinearLayout>
 
    <LinearLayout
        android:id="@+id/w_linear"
        android:layout_width="0dp"
        android:layout_height="match_parent"
        android:layout_weight="1"
        android:orientation="vertical">
 
        <ImageView
            android:id="@+id/imageView4"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            app:srcCompat="@drawable/p4" />
 
        <TextView
            android:id="@+id/textView4"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="2"
            android:gravity="center"
            android:textColor="#fff"
            android:text="微信" />
 
    </LinearLayout>
</LinearLayout>

制作主页面

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity" >
 
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">
 
        <include
            layout="@layout/top"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />
 
        <FrameLayout
            android:id="@+id/id_content"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1">
 
        </FrameLayout>
 
        <include
            layout="@layout/button1"
            android:layout_width="match_parent"
            android:layout_height="wrap_content" />
 
    </LinearLayout>
 
 
</LinearLayout>

在与MainActivity.java相同的目录下新建四个Fragment，每个代表不同图标的界面

private Fragment mTab01 = new weixinFragment();
    private Fragment mTab02 = new frdFragment();
    private Fragment mTab03 = new contactFragment();
    private Fragment mTab04 = new settingFragment();

    private FragmentManager fm;
    private void initFragment() {
        fm = getSupportFragmentManager();
        FragmentTransaction transaction = fm.beginTransaction();
        transaction.add(R.id.id_content,mTab01);
        transaction.add(R.id.id_content,mTab02);
        transaction.add(R.id.id_content,mTab03);
        transaction.add(R.id.id_content,mTab04);
        transaction.commit();
    }

initView()函数，其中上面四个参数用来存储四个bottom图片底下的文字，下面四个参数用来存储四个图片

    private void initView(){
        mTabWeixin = (LinearLayout)findViewById(R.id.id_tab_weixin);
        mTabFrd = (LinearLayout)findViewById(R.id.id_tab_frd);
        mTabAddress = (LinearLayout)findViewById(R.id.id_tab_contact);
        mTabSettings = (LinearLayout)findViewById(R.id.id_tab_settings);

        mImgWeixin = (ImageButton)findViewById(R.id.id_tab_weixin_img);
        mImgFrd = (ImageButton)findViewById(R.id.id_tab_frd_img);
        mImgAddress = (ImageButton)findViewById(R.id.id_tab_contact_img);
        mImgSettings = (ImageButton)findViewById(R.id.id_tab_settings_img);
    }

对4个按钮进行监听

    @Override
    public void onClick(View v) {

        resetimg();

        switch (v.getId()){
            case id.id_tab_weixin_img:
                setSelect(0);
                break;
            case id.id_tab_frd_img:
                setSelect(1);
                break;
            case id.id_tab_contact_img:
                setSelect(2);
                break;
            case id.id_tab_settings_img:
                setSelect(3);
                break;
            default:
                break;
        }
    }

mainactivitiy.java文件

package com.example.homework1_xc;
 
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
 
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
 
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    private LinearLayout linearWx,linearMF,linearBM,linearS;
    private ImageView imgWx,imgTxl,imgBM,imgW,imgCur;
    private TextView textWx,textTxl,textFx,textW,textCur;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        supportRequestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(R.layout.activity_main);
 
        initFun();
        addFragment(new SetFlagment());
        imgWx.setSelected(true);
        textWx.setSelected(true);
    }
    private void initFun(){
        linearWx = findViewById(R.id.wx_linear);
        linearWx.setOnClickListener(this);
        linearMF = findViewById(R.id.txl_linear);
        linearMF.setOnClickListener(this);
        linearBM = findViewById(R.id.fx_linear);
        linearBM.setOnClickListener(this);
        linearS = findViewById(R.id.w_linear);
        linearS.setOnClickListener(this);
 
        imgWx = findViewById(R.id.imageView);
        imgTxl = findViewById(R.id.imageView2);
        imgBM = findViewById(R.id.imageView3);
        imgW = findViewById(R.id.imageView4);
        imgCur = findViewById(R.id.imageView);
 
        textWx = findViewById(R.id.textView);
        textTxl = findViewById(R.id.textView2);
        textFx = findViewById(R.id.textView3);
        textW = findViewById(R.id.textView4);
        textCur = findViewById(R.id.textView);
    }
 
 
    @Override
    public void onClick(View view) {
        switch (view.getId()){
            case R.id.wx_linear:
                changeFragment(new BookmarkFragment());
                colorChange(1);
                break;
            case R.id.txl_linear:
                changeFragment(new MessageFlagment());
                colorChange(2);
                break;
            case R.id.fx_linear:
                changeFragment(new WechatFlagment());
                colorChange(3);
                break;
            case R.id.w_linear:
                changeFragment(new SetFlagment());
                colorChange(4);
                break;
            default:
                break;
        }
 
    }
 
    private void colorChange(int id){
        textCur.setSelected(false);
        imgCur.setSelected(false);
        switch (id){
            case 1:
                imgWx.setSelected(true);
                imgCur=imgWx;
                textWx.setSelected(true);
                textCur=textWx;
                break;
            case 2:
                imgTxl.setSelected(true);
                imgCur=imgTxl;
                textTxl.setSelected(true);
                textCur=textTxl;
                break;
            case 3:
                imgBM.setSelected(true);
                imgCur=imgBM;
                textFx.setSelected(true);
                textCur=textFx;
                break;
            case 4:
                imgW.setSelected(true);
                imgCur=imgW;
                textW.setSelected(true);
                textCur=textW;
                break;
            default:
                break;
 
        }
    }
 
    private void changeFragment(Fragment fragment){
        FragmentManager fragmentManager = getSupportFragmentManager();
        FragmentTransaction transaction = fragmentManager.beginTransaction();
        transaction.replace(R.id.body, fragment);
        transaction.commit();
    }
 
    private void addFragment(Fragment fragment){
        FragmentManager fragmentManager = getSupportFragmentManager();
        FragmentTransaction transaction = fragmentManager.beginTransaction();
        transaction.add(R.id.body, fragment);
        transaction.commit();
    }
}

运行截图

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[移动开发]移动开发课程-作业1