功能模块大部分

Linjiajia

2023-04-24 fcdddf8b9b34f9930bec454b5fffe41c0e33ba3c

 app_base/src/main/java/com/android/app_base/base/view/BaseActivity.java

@@ -1,18 +1,31 @@
package com.android.app_base.base.view;


import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.inputmethod.InputMethodManager;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.databinding.DataBindingUtil;
import androidx.databinding.ViewDataBinding;
import androidx.drawerlayout.widget.DrawerLayout;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProvider;
import androidx.lifecycle.ViewModelStoreOwner;

import com.android.app_base.action.TitleBarAction;
import com.android.app_base.base.action.ClickAction;
import com.android.app_base.base.viewmodel.BaseViewModel;
import com.android.app_base.base.StateViewEnum;
import com.blankj.utilcode.util.ToastUtils;
import com.gyf.immersionbar.ImmersionBar;
import com.hjq.bar.TitleBar;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
@@ -20,28 +33,34 @@
/**
 *  Activity基类,所有的 Activity 都要继承此类
 */
public abstract class BaseActivity<V extends ViewDataBinding,VM extends BaseViewModel> extends AppCompatActivity {
    protected V binding;
public abstract class BaseActivity<VDB extends ViewDataBinding,VM extends BaseViewModel> extends AppCompatActivity implements TitleBarAction, ClickAction {
    protected VDB binding;
    protected VM viewModel;
    private int viewModelId;

    /**
     * 标题栏对象
     */
    private TitleBar mTitleBar;
    /**
     * 状态栏沉浸
     */
    private ImmersionBar mImmersionBar;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        //绑定 ViewDataBinding 和 ViewModel
        initViewDataBindingAndViewModel();
        //初始化状态视图
        initStateView();
        //Layout初始化
        initLayout();
        //页面参数初始化方法
        initParam();
        //页面view初始化方法
        initView();
        //页面数据初始化方法
        initData();
        //页面事件监听的方法，用于ViewModel层转到View层的事件注册
        initLiveDataObserve();
        //页面数据初始化方法
        initData();
    }


    @Override
    protected void onDestroy() {
@@ -54,28 +73,51 @@
        }
    }

    /**
     * 初始化布局
     */
    protected void initLayout(){
        //绑定 ViewDataBinding 和 ViewModel
        initViewDataBindingAndViewModel();
        //初始化状态视图
        initStateView();
        //初始化沉浸式状态栏和 titleBar
        initStatusBar();
        initSoftKeyboard();
    }

    /**
     *  ViewDataBinding和 ViewModel的获取及相关绑定
     */
    private void initViewDataBindingAndViewModel() {
        binding = DataBindingUtil.setContentView(this, getLayoutId());
    protected void initViewDataBindingAndViewModel() {
        if (getLayoutId() > 0) {
            binding = initViewBinding();
        }
        viewModelId = getVariableId();
        viewModel = initViewModel();
        //关联ViewModel
        binding.setVariable(viewModelId, viewModel);
        //支持LiveData绑定xml，数据改变，UI自动会更新
        binding.setLifecycleOwner(this);
        //让ViewModel拥有View的生命周期感应
        getLifecycle().addObserver(viewModel);

        if (binding != null){
            //关联ViewModel
            if (viewModelId > 0){
                binding.setVariable(viewModelId, viewModel);
            }
            //支持LiveData绑定xml，数据改变，UI自动会更新
            binding.setLifecycleOwner(this);
            //让ViewModel拥有View的生命周期感应
            getLifecycle().addObserver(viewModel);
        }
    }

    /**
     * 初始化ViewBinding
     */
    protected VDB initViewBinding() {
        return DataBindingUtil.setContentView(this, getLayoutId());
    }
    /**
     * 初始化ViewModel
     * @return 返回一个ViewModel
     */
    private VM initViewModel() {
    protected VM initViewModel() {
        Class<VM> vmClass;
        Type type = getClass().getGenericSuperclass();
        if (type instanceof ParameterizedType){
@@ -87,10 +129,11 @@
        return new ViewModelProvider(this, (ViewModelProvider.Factory) ViewModelProvider.AndroidViewModelFactory.getInstance(getApplication())).get(vmClass);
    }


    /**
     * 对状态视图liveData进行观察监听
     */
    private void initStateView() {
    protected void initStateView() {
        viewModel.getStateViewLiveData().observe(this, new Observer<StateViewEnum>() {
            @Override
            public void onChanged(StateViewEnum stateViewEnum) {
@@ -103,6 +146,9 @@
                        break;
                    case DATA_LOADING:
                        dataLoading();
                        break;
                    case DATA_FINISH:
                        dataFinish();
                        break;
                    case DATA_ERROR:
                        dataError();
@@ -121,7 +167,16 @@
                }
            }
        });
        viewModel.getMessageLivaData().observe(this, new Observer<String>() {
            @Override
            public void onChanged(String message) {
                ToastUtils.showShort(message);
            }
        });
    }



    /**
     * 缺省页等状态视图的更新
     * 有需求的，在子类选择重写
@@ -132,6 +187,8 @@
    }
    protected void dataLoading() {
    }
    protected void dataFinish() {
    }
    protected void dataError() {
    }
    protected void dataNull() {
@@ -139,6 +196,59 @@
    protected void netError() {
    }
    protected void hide() {
    }

    /**
     * 初始化沉浸式状态栏
     */
    protected void initStatusBar(){
        if (isStatusBarImmersionEnabled()) {
            getImmersionBarConfig().init();
            // 设置标题栏沉浸()
            if (getTitleBar() != null) {
                ImmersionBar.setTitleBar(this, getTitleBar());
                getTitleBar().setOnTitleBarListener(this);
            }
        }
    }
    /**
     * 是否使用沉浸式状态栏,可以子类重写指定
     */
    protected boolean isStatusBarImmersionEnabled() {
        return true;
    }
    /**
     * 获取状态栏沉浸的配置对象
     */
    @NonNull
    public ImmersionBar getImmersionBarConfig() {
        if (mImmersionBar == null) {
            mImmersionBar = createStatusBarConfig();
        }
        return mImmersionBar;
    }
    /**
     * 创建状态栏沉浸的配置对象
     */
    @NonNull
    protected ImmersionBar createStatusBarConfig() {
        return ImmersionBar.with(this)
                // 默认状态栏字体颜色为黑色
                .statusBarDarkFont(isStatusBarDarkFont(),0.2f);//不写默认为亮色
    }
    /**
     * 状态栏字体深色模式
     */
    protected boolean isStatusBarDarkFont() {
        return true;
    }
    @Override
    @Nullable
    public TitleBar getTitleBar() {
        if (mTitleBar == null) {
            mTitleBar = obtainTitleBar(findViewById(Window.ID_ANDROID_CONTENT));
        }
        return mTitleBar;
    }

    /**
@@ -174,4 +284,51 @@
     */
    public abstract void initLiveDataObserve();

    @Override
    public void finish() {
        hideSoftKeyboard();
        super.finish();
    }

    /**
     * 隐藏软键盘
     */
    protected void hideSoftKeyboard() {
        // 隐藏软键盘，避免软键盘引发的内存泄露
        View view = getCurrentFocus();
        if (view != null) {
            InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
            if (manager != null && manager.isActive(view)) {
                manager.hideSoftInputFromWindow(view.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
                view.clearFocus();
            }
        }
    }

    /**
     * 初始化软键盘
     */
    protected void initSoftKeyboard() {
        // 点击外部隐藏软键盘，提升用户体验
        getContentView().setOnClickListener(v -> hideSoftKeyboard());
    }

    public ViewGroup getContentView() {
        return findViewById(Window.ID_ANDROID_CONTENT);
    }

    public Activity getSelfActivity() {
        return this;
    }

    /**
     * 如果当前的 Activity（singleTop 启动模式） 被复用时会回调
     */
    @Override
    protected void onNewIntent(Intent intent) {
        super.onNewIntent(intent);
        // 设置为当前的 Intent，避免 Activity 被杀死后重启 Intent 还是最原先的那个
        setIntent(intent);
    }

}