efunboxReader-android/app/src/main/java/com/edufound/reader/base/BaseActivity.java

package com.edufound.reader.base;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Build;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.animation.LinearInterpolator;
import android.widget.FrameLayout;

import com.edufound.reader.R;
import com.edufound.reader.annotation.BindView;
import com.edufound.reader.application.EApplication;
import com.edufound.reader.receiver.HomeKeyEventReceiver;
import com.edufound.reader.receiver.NetworkChangeReceiver;
import com.edufound.reader.util.Consts;
import com.edufound.reader.util.EfunboxUtil;
import com.edufound.reader.util.LiuHaiScreenUtil;
import com.edufound.reader.util.PermissionsUtil;
import com.google.gson.Gson;
import com.jakewharton.rxbinding4.view.RxView;

import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.concurrent.TimeUnit;

import androidx.appcompat.app.AppCompatActivity;
import io.reactivex.rxjava3.annotations.Nullable;
import io.reactivex.rxjava3.disposables.CompositeDisposable;
import io.reactivex.rxjava3.disposables.Disposable;
import io.reactivex.rxjava3.functions.Consumer;

public abstract class BaseActivity extends AppCompatActivity {

    public CompositeDisposable mCompositeDisposable;
    //按home键的receiver
    HomeKeyEventReceiver mHomeReceiver;
    //登录广播action
    private final String LOGIN_SUCCESS_ACTION = "efunbox.login.success";
    //Gson
    Gson mGson;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
//        EfunboxUtil.setCustomDensity(this, Consts.getmApplicAtion());
        EApplication.mActivityList.add(this);
        EfunboxUtil.initDesignSize(this);
        setContentView(this.getLayoutId());
        initBase();
        bindViews(this);
        initView();
    }

    void initBase() {
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
            LiuHaiScreenUtil.openFullScreenModel(this);
        }
        mGson = new Gson();
        //获取录音权限
        PermissionsUtil.verifyAudioPermissions(this);
        if (Consts.getScreenSize() == null) {
            DisplayMetrics outMetrics = new DisplayMetrics();
            getWindowManager().getDefaultDisplay().getMetrics(outMetrics);
            int widthPixels = outMetrics.widthPixels;
            int heightPixels = outMetrics.heightPixels;
            int arr[] = {widthPixels, heightPixels};
            Consts.setScreenSize(arr);
        }
        mCompositeDisposable = new CompositeDisposable();
        mHomeReceiver = new HomeKeyEventReceiver();
        //注册home广播
        registerReceiver(mHomeReceiver, new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS));
        // 注册网络广播
        NetworkChangeReceiver.registerReceiver(this);
        NetworkChangeReceiver.registerObserver(NetStateChangeObserver);
        //注册登录广播
        registerReceiver(loginReceiver, new IntentFilter(LOGIN_SUCCESS_ACTION));
    }


    @Override
    protected void onDestroy() {
        super.onDestroy();
        clearDisposable();
        unregisterReceiver(mHomeReceiver);
        NetworkChangeReceiver.unRegisterReceiver(this);
    }

    /**
     * 设置布局
     *
     * @return
     */
    public abstract int getLayoutId();

    /**
     * 初始化视图
     */
    public abstract void initView();


    public static void bindViews(Activity activity) {
        Class<? extends Activity> activityClass = activity.getClass();//获取activity的class
        Field[] fields = activityClass.getDeclaredFields();//获取activity的字段
        //遍历所有的字段
        for (Field field : fields) {
            //获取该字段的注解
            BindView bindView = field.getAnnotation(BindView.class);
            //!=null 说明该字段有注解并且是指定的注解
            if (bindView != null) {
                //获取到注解总传入的数值value
                int viewId = bindView.id();
                if (viewId != -1) {
                    try {
                        //获取到activity中findViewById的方法
                        Method findViewByIdMethod = activityClass.getMethod("findViewById", int.class);
                        try {
                            //执行findViewById方法
                            Object resView = findViewByIdMethod.invoke(activity, viewId);
                            //允许通过反射访问私有变量
                            field.setAccessible(true);
                            //把字段的值设置该view的实例
                            field.set(activity, resView);
                        } catch (IllegalAccessException e) {
                            e.printStackTrace();
                        } catch (InvocationTargetException e) {
                            e.printStackTrace();
                        }
                    } catch (NoSuchMethodException e) {
                        e.printStackTrace();
                    }
                }
            }
        }
    }


    /**
     * 添加订阅
     */
    public void addDisposable(Disposable mDisposable) {
        if (mCompositeDisposable == null) {
            mCompositeDisposable = new CompositeDisposable();
        }
        mCompositeDisposable.add(mDisposable);
    }

    /**
     * 取消所有订阅
     */
    public void clearDisposable() {
        if (mCompositeDisposable != null) {
            mCompositeDisposable.clear();
        }
    }


    @SuppressLint("AutoDispose")
    public void addUiClickListener(View view, Consumer onNext) {
        addDisposable(RxView.clicks(view).throttleFirst(2, TimeUnit.SECONDS).subscribe(onNext));
    }

    public abstract void onGetDisconnect();

    public abstract void onGetMobileConnect();

    public abstract void onGetWifiConnect();

    NetworkChangeReceiver.NetStateChangeObserver NetStateChangeObserver = new NetworkChangeReceiver.NetStateChangeObserver() {
        @Override
        public void onDisconnect() {
            //断网了
            onGetDisconnect();
        }

        @Override
        public void onMobileConnect() {
            //有网了(移动网络)
            onGetMobileConnect();
        }

        @Override
        public void onWifiConnect() {
            //有网了(wifi)
            onGetWifiConnect();
        }
    };


    protected void onLoginSuccess() {
    }


    BroadcastReceiver loginReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            onLoginSuccess();
        }
    };


    public ViewGroup getRootView() {
        return findViewById(android.R.id.content);
    }


    public void showFollowCountAnim() {
        View mFollowView = LayoutInflater.from(this).inflate(R.layout.anim_getfollow, null);
        FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        params.gravity = Gravity.CENTER;
        mFollowView.setLayoutParams(params);
        ObjectAnimator mRotationImgAnim = ObjectAnimator.ofFloat(mFollowView, "translationY", 0, -150);
        mRotationImgAnim.setDuration(1500);
        LinearInterpolator interpolator = new LinearInterpolator();
        mRotationImgAnim.setInterpolator(interpolator); //设置匀速旋转，不卡顿 icon_anim.start();
        ObjectAnimator alphaAnim = ObjectAnimator.ofFloat(mFollowView, "alpha", 1f, 0f);
        alphaAnim.setDuration(1500);
        getRootView().addView(mFollowView);
        AnimatorSet animatorSet = new AnimatorSet();
        animatorSet.play(mRotationImgAnim).with(alphaAnim);
        animatorSet.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                super.onAnimationEnd(animation);
                getRootView().removeView(mFollowView);
            }
        });
        animatorSet.start();
//
    }

    public Gson getGson() {
        return mGson;
    }

    public void toNextActivity(Class clazz) {
        Intent intent = new Intent(this, clazz);
        startActivity(intent);
    }

    public void toNextActivity(Class clazz, Bundle bundle) {
        Intent intent = new Intent(this, clazz);
        intent.putExtra("params_bundle", bundle);
        startActivity(intent);
    }

    public void toNextActivityForResult(Class clazz, Bundle bundle, int resultCode) {
        Intent intent = new Intent(this, clazz);
        intent.putExtra("params_bundle", bundle);
        startActivityForResult(intent, resultCode);
    }

}