BaseActivity封装

package com.*.*.activity;

import android.content.Context;
import android.content.Intent;
import android.databinding.DataBindingUtil;
import android.databinding.ViewDataBinding;
import android.os.Bundle;
import android.os.IBinder;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;

import com.czb.czbpos.dialog.LoadingDialog;
import com.czb.czbpos.utils.StatusBarUtil;
import com.czb.czbpos.utils.eventbus.Event;
import com.czb.czbpos.utils.eventbus.EventBusUtil;
import com.czb.czbpos.utils.toast.MyToast;

import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;

/**
 * Created by Administrator on 2017/5/20.
 */
public abstract class BaseActivity<T extends ViewDataBinding> extends AppCompatActivity {
    private LoadingDialog loadingDialog;

    /**
     * binding ,用于子类继承
     */
    protected T mBinding;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mBinding = DataBindingUtil.setContentView(this, getContentLayoutId());
        initLoadingDialog();
        initData();
        if (isRegisterEventBus()) {
            EventBusUtil.register(this);
        }

    }

    /**
     * 返回子类的 layoutId
     *
     * @return
     */
    protected abstract int getContentLayoutId();


    public void configImmerssive(ViewGroup viewGroup) {
        StatusBarUtil.immersive(this);
        StatusBarUtil.setHeightAndPadding(this,viewGroup);
    }

    /**
     * 初始化数据
     */
    protected abstract void initData();



    //初始化读取的dialog
    private void initLoadingDialog() {
        loadingDialog = new LoadingDialog(this);
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        if (ev.getAction() == MotionEvent.ACTION_DOWN) {
            View v = getCurrentFocus();
            if (isShouldHideKeyboard(v, ev)) {
                hideKeyboard(v.getWindowToken());
            }
        }
        return super.dispatchTouchEvent(ev);
    }

    /**
     * 展示读取的 dialog
     */
    public void showLoadingDialog() {
        showLoadingDialog(null);
    }

    /**
     * 展示读取的 dialog
     */
    public void showLoadingDialog(String message) {
        if (loadingDialog != null) {
            if (!TextUtils.isEmpty(message)) {
                loadingDialog.setMessage(message);
            }
            loadingDialog.show();
        }
    }

    /**
     * 隐藏读取的 dialog
     */
    public void dismissLoadingDialog() {
        if (loadingDialog != null) {
            loadingDialog.dismiss();
        }
    }

    /**
     * 根据EditText所在坐标和用户点击的坐标相对比，来判断是否隐藏键盘，因为当用户点击EditText时则不能隐藏
     * 这是默认的处理, 但是如果有些需求不需要 隐藏软键盘的化可以重写 {@link BaseActivity#hideKeyboard(IBinder)}
     * 进行空实现即可
     *
     * @param v
     * @param event
     * @return
     */
    protected boolean isShouldHideKeyboard(View v, MotionEvent event) {
        if (v != null && (v instanceof EditText)) {
            int[] l = {0, 0};
            v.getLocationInWindow(l);
            int left = l[0],
                    top = l[1],
                    bottom = top + v.getHeight(),
                    right = left + v.getWidth();
            if (event.getX() > left && event.getX() < right
                    && event.getY() > top && event.getY() < bottom) {
                // 点击EditText的事件，忽略它。
                return false;
            } else {
                return true;
            }
        }
        // 如果焦点不是EditText则忽略，这个发生在视图刚绘制完，第一个焦点不在EditText上，和用户用轨迹球选择其他的焦点
        return false;
    }

    /**
     * 获取InputMethodManager，隐藏软键盘
     * 这是隐藏键盘的处理, 但是如果有些需求不需要隐藏软键盘可以重写该方法并空实现
     *
     * @param token
     */
    protected void hideKeyboard(IBinder token) {
        if (token != null) {
            InputMethodManager im = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
            im.hideSoftInputFromWindow(token, InputMethodManager.HIDE_NOT_ALWAYS);
        }
    }

    public void showToast(String str) {
        MyToast.showContentToast(this, str);
    }

    public void showToastInfo(String str) {
        MyToast.showInfo(this, str);
    }

    public void showToastWarning(String str) {
        MyToast.showWarning(this, str);
    }

    public void showToastError(String str) {
        MyToast.showError(this, str);
    }

    public void showToastErrorLong(String str) {
        MyToast.showErrorLong(this, str);
    }

    public void showToastSuccess(String str) {
        MyToast.showSuccess(this, str);
    }

    //无参跳转
    public void startActivity(Class<?> clazz) {
        Intent intent = new Intent(this, clazz);
        startActivity(intent);
    }

    //待遇有参数跳转
    public void startActivityWithExtras(Class<?> clazz, Bundle extras) {
        Intent intent = new Intent(this, clazz);
        intent.putExtras(extras);
        startActivity(intent);
    }

    /**
     * 设置view是否可以点击
     *
     * @param view
     * @param canClick
     */
    protected void setClickAble(View view, boolean canClick) {
        view.setClickable(canClick);
    }


    // 是否注册事件分发@return true绑定EventBus事件分发，默认不绑定，子类需要绑定的话复写此方法返回true.
    protected boolean isRegisterEventBus() {
        return false;
    }


    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onEventBusCome(Event event) {
        if (event != null) {
            receiveEvent(event);
        }

    }

    @Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
    public void onStickyEventBusCome(Event event) {
        if (event != null) {
            receiveStickyEvent(event);
        }
    }

    //接收到分发到事件
    protected void receiveEvent(Event event) {

    }

    /**
     * 接受到分发的粘性事件
     *
     * @param event 粘性事件
     */
    protected void receiveStickyEvent(Event event) {

    }

/**
     * 请求权限
     *
     * @param permissions 请求的权限
     * @param requestCode 请求权限的请求码
     */
    public void requestPermission(String[] permissions, int requestCode) {
        this.REQUEST_CODE_PERMISSION = requestCode;
        if (checkPermissions(permissions)) {
            permissionSuccess(REQUEST_CODE_PERMISSION);
        } else {
            permissionFail(requestCode);
            List<String> needPermissions = getDeniedPermissions(permissions);
            ActivityCompat.requestPermissions(this, needPermissions.toArray(new String[needPermissions.size()]), REQUEST_CODE_PERMISSION);
        }
    }

    //    /**
//     * 检测所有的权限是否都已授权
//     *
//     * @param permissions
//     * @return
//     */
    private boolean checkPermissions(String[] permissions) {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            return true;
        }
//
//
        for (String permission : permissions) {
            if (ContextCompat.checkSelfPermission(this, permission) !=
                    PackageManager.PERMISSION_GRANTED) {
                return false;
            }
        }
        return true;
    }


    //
//    /**
//     * 获取权限集中需要申请权限的列表
//     *
//     * @param permissions
//     * @return
//     */
    private List<String> getDeniedPermissions(String[] permissions) {
        List<String> needRequestPermissionList = new ArrayList<>();
        for (String permission : permissions) {
            if (ContextCompat.checkSelfPermission(this, permission) !=
                    PackageManager.PERMISSION_GRANTED ||
                    ActivityCompat.shouldShowRequestPermissionRationale(this, permission)) {
                needRequestPermissionList.add(permission);
            }
        }
        return needRequestPermissionList;
    }

    //
//    /**
//     * 系统请求权限回调
//     *
//     * @param requestCode
//     * @param permissions
//     * @param grantResults
//     */
//    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (requestCode == REQUEST_CODE_PERMISSION) {
            if (verifyPermissions(grantResults)) {//获取权限成功
                permissionSuccess(REQUEST_CODE_PERMISSION);
            } else {//获取权限失败
                permissionFail(REQUEST_CODE_PERMISSION);
            }
        }
    }

    //
//    /**
//     * 确认所有的权限是否都已授权
//     *
//     * @param grantResults
//     * @return
//     */
    private boolean verifyPermissions(int[] grantResults) {
        for (int grantResult : grantResults) {
            if (grantResult != PackageManager.PERMISSION_GRANTED) {
                return false;
            }
        }
        return true;
    }

    // 获取权限成功
    public void permissionSuccess(int requestCode) {
        Log.d(TAG, "获取权限成功=" + requestCode);

    }

    //权限获取失败
    public void permissionFail(int requestCode) {
        Log.d(TAG, "获取权限失败=" + requestCode);
//        showMissingPermissionDialog();
    }

@Override
    protected void onDestroy() {
        super.onDestroy();
        if (isRegisterEventBus()) {
            EventBusUtil.unregister(this);
        }
    }
}