UIandroid之基础学习攻克Android

Android 高效开发之-Activity的简化写法

2020-08-20  本文已影响0人  可乐_JS
实例图
1.activity_base.xml
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <!--显示区域-->
    <LinearLayout
        android:id="@+id/act_root_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@android:color/transparent"
        android:orientation="vertical">

        <!--标题-->
        <include layout="@layout/title_bar" />

        <!--内容区域-->
        <FrameLayout
            android:id="@+id/act_content_fl"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/color_FFFFFF" />
    </LinearLayout>

    <!--无网络视图-->
    <ViewStub
        android:id="@+id/no_net_work_vs"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:inflatedId="@+id/no_net_work_vs_inflated_id"
        android:layout="@layout/layout_no_net_work" />
</FrameLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/titleBar_base_root_ll"
    android:layout_width="match_parent"
    android:layout_height="@dimen/dp_50"
    android:orientation="vertical">

    <!--标题栏-->
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="@dimen/dp_0"
        android:layout_weight="1"
        android:orientation="horizontal">

        <!--返回-->
        <LinearLayout
            android:id="@+id/titleBar_base_back_ll"
            android:layout_width="@dimen/dp_0"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:gravity="center_vertical">

            <ImageView
                android:id="@+id/titleBar_base_back_iv"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:paddingHorizontal="@dimen/dp_16"
                android:src="@drawable/ic_title_bar_back" />
        </LinearLayout>

        <!--中间标题-->
        <LinearLayout
            android:layout_width="@dimen/dp_0"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:gravity="center">

            <TextView
                android:id="@+id/titleBar_base_title_tv"
                android:layout_width="@dimen/dp_0"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:ellipsize="end"
                android:gravity="center"
                android:singleLine="true"
                android:textColor="@color/color_000000_85"
                android:textSize="@dimen/sp_18"
                tools:text="我是标题" />
        </LinearLayout>

        <!--右侧部分-->
        <LinearLayout
            android:id="@+id/titleBar_base_right_ll"
            android:layout_width="@dimen/dp_0"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:gravity="right|center_vertical"
            android:paddingHorizontal="@dimen/dp_15">

            <TextView
                android:id="@+id/titleBar_base_right_tv"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                tools:text="我是右侧文字" />

            <ImageView
                android:id="@+id/titleBar_base_right_iv"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" />
        </LinearLayout>
    </LinearLayout>

    <View
        android:layout_width="match_parent"
        android:layout_height="@dimen/dp_0_5"
        android:layout_gravity="bottom"
        android:background="@color/color_EEEEEE" />
</LinearLayout>
2.BaseActivity.java
/**
 * @Description:
 * @Author: kele
 * @email: 984127585@qq.com
 * @Date: 2020/6/19 0019
 */
public abstract class BaseActivity<T extends IBaseP> extends AppCompatActivity implements View.OnClickListener {

    protected T mPresenter;
    /**
     * 返回图标
     */
    private ImageView ivBack;
    /**
     * 标题
     */
    private TextView tvTitle;
    /**
     * 左侧文字
     */
    private TextView tvRight;
    /**
     * 返回布局
     */
    private View llBack;
    /**
     * 右侧布局
     */
    private View llRight;
    /**
     * 中间主体布局
     */
    private View contentView;
    private View llTitleBarBaseRoot;
    private View llRootView;
    /**
     * 右边图标
     */
    private ImageView ivRight;
    /**
     * 内容布局
     */
    private FrameLayout flContent;
    /**
     * 无网络布局
     */
    private ViewStub vsNoNetWork;
    private View noNetWork;
    protected boolean isNeedCheckNetWork = true;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        BarUtil.getInstance().setTranslucentStatus(this);
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_base);
        initBaseView();
        initBaseData();
        initBaseListener();
        mPresenter = createPresenter();
        initViews();
        initData();
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (isNeedCheckNetWork) {
            checkNetWork();
        }
    }

    /**
     * 效验网络连接状态
     */
    private boolean checkNetWork() {
        if (null != noNetWork) {
            noNetWork.setVisibility(View.GONE);
        }
        boolean isNetConnected = NetworkUtils.isConnected();
        if (!isNetConnected) {
            if (null != noNetWork) {
                noNetWork.setVisibility(View.VISIBLE);
            } else {
                initNoNetWorkViews();
            }
        }
        return isNetConnected;
    }

    /**
     * 初始化监听
     */
    private void initBaseListener() {
        if (null != ivBack) {
            ivBack.setOnClickListener(this);
        }
        if (null != tvRight) {
            tvRight.setOnClickListener(this);
        }
    }

    /**
     * 初始化数据
     */
    private void initBaseData() {
        if (null != ivBack) {
            ivBack.setImageDrawable(getDrawable(R.drawable.ic_title_bar_back));
        }
    }

    /**
     * 初始化视图
     */
    private void initBaseView() {
        llRootView = findViewById(R.id.act_root_view);
        llTitleBarBaseRoot = findViewById(R.id.titleBar_base_root_ll);
        ivBack = findViewById(R.id.titleBar_base_back_iv);
        tvTitle = findViewById(R.id.titleBar_base_title_tv);
        tvRight = findViewById(R.id.titleBar_base_right_tv);
        ivRight = findViewById(R.id.titleBar_base_right_iv);
        llBack = findViewById(R.id.titleBar_base_back_ll);
        llRight = findViewById(R.id.titleBar_base_right_ll);
        flContent = findViewById(R.id.act_content_fl);
        createContentView();
        //添加主体布局
        flContent.removeAllViews();
        flContent.addView(contentView);
        //无网络布局
        vsNoNetWork = findViewById(R.id.no_net_work_vs);
    }

    /**
     * 初始化无网络布局
     */
    private void initNoNetWorkViews() {
        if (null == vsNoNetWork) {
            return;
        }
        noNetWork = vsNoNetWork.inflate();
        View tvTryAgainBtn = noNetWork.findViewById(R.id.try_again_btn_tv);
        if (null == tvTryAgainBtn) {
            return;
        }
        tvTryAgainBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (checkNetWork()) {
                    initData();
                }
            }
        });
    }

    /**
     * 创建主体布局
     */
    private void createContentView() {
        contentView = LayoutInflater.from(this).inflate(getContentViewID(), null);
    }

    /**
     * 设置背景颜色
     *
     * @param colorId
     */
    public void setRootViewBgColor(int colorId) {
        if (null == llRootView) {
            return;
        }
        llRootView.setBackgroundColor(colorId);
    }

    public void setContentViewBgColor(int colorId) {
        if (null == flContent) {
            return;
        }
        flContent.setBackgroundColor(colorId);
    }

    /**
     * 设置背景图片
     *
     * @param imgId
     */
    public void setRootViewBgImg(int imgId) {
        if (null == llRootView) {
            return;
        }
        llRootView.setBackgroundResource(imgId);
    }

    public void setIvBackVisible(boolean visible) {
        if (null == ivBack) {
            return;
        }
        ivBack.setVisibility(visible ? View.VISIBLE : View.GONE);
    }

    /**
     * 设置标题栏可见状态
     *
     * @param visible
     */
    public void setTitleBarVisible(boolean visible) {
        if (null == llTitleBarBaseRoot) {
            return;
        }
        llTitleBarBaseRoot.setVisibility(visible ? View.VISIBLE : View.GONE);
    }

    public void setTitleBarBg(int drawableBg) {
        if (null == llTitleBarBaseRoot) {
            return;
        }
        llTitleBarBaseRoot.setBackground(getDrawable(drawableBg));
    }

    /**
     * 设置标题
     *
     * @param title
     */
    protected void setTvTitle(String title) {
        if (null != tvTitle) {
            tvTitle.setText(title);
        }
    }

    public void setTvTitleColor(int colorId) {
        if (null == tvTitle) {
            return;
        }
        tvTitle.setTextColor(AppCompatResources.getColorStateList(this, colorId));
    }

    public void setTvTitleSize(int size) {
        if (null == tvTitle) {
            return;
        }
        tvTitle.setTextSize(size);
    }

    public void setIvRightBg(int drawableBg) {
        if (null == ivRight) {
            return;
        }
        ivRight.setBackground(getDrawable(drawableBg));
    }

    public void setIvRightVisible(boolean visible) {
        if (null == ivRight) {
            return;
        }
        ivRight.setVisibility(visible ? View.VISIBLE : View.GONE);
    }

    public void setIvRightClickListener(View.OnClickListener listener) {
        if (null == ivRight) {
            return;
        }
        ivRight.setOnClickListener(listener);
    }

    public void setLlBackListener(View.OnClickListener listener) {
        if (null == llBack) {
            return;
        }
        llBack.setOnClickListener(listener);
    }

    @Override
    public void onClick(View v) {
        int id = v.getId();
        if (id == R.id.titleBar_base_back_iv) {
            onBackPressed();
        } else if (id == R.id.titleBar_base_right_tv) {
        }
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if (null != mPresenter) {
            mPresenter.onVDestroy();
        }
    }

    /**
     * 显示加载弹层
     */
    protected void showLoading() {

    }

    /**
     * 隐藏加载弹层
     */
    protected void hideLoading() {

    }

    /**
     * 初始化Presenter
     *
     * @return
     */
    protected abstract T createPresenter();

    /**
     * 初始化布局
     *
     * @return
     */
    protected abstract int getContentViewID();

    /**
     * 初始化view
     */
    protected abstract void initViews();

    /**
     * 初始化数据
     */
    protected abstract void initData();
}
3.activity_login.xml
<?xml version="1.0" encoding="utf-8"?>
<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:background="@android:color/transparent"
    android:orientation="vertical"
    android:paddingHorizontal="@dimen/dp_15">

    //画自己的布局-也就是上面效果图中的红色区域的布局
    ……
</LinearLayout>
4.LoginActivity.java
/**
 * Des: 登录界面
 * Created by kele on 2020/7/17.
 * E-mail:984127585@qq.com
 */
public class LoginActivity extends BaseActivity<LoginP> implements LoginControl.V {

    public static void launch(Activity act) {
        if (null == act) {
            return;
        }
        Intent intent = new Intent(act, LoginActivity.class);
        act.startActivity(intent);
    }

    @Override
    protected LoginP createPresenter() {
        return new LoginP(this);
    }

    @Override
    protected int getContentViewID() {
        return R.layout.activity_login;
    }

    @Override
    protected void initViews() {
       
    }

    @Override
    protected void initData() {

    }
}
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