BaseActivity.java

package com.example.qyh.joe.base;

import android.content.Context;
import android.content.pm.ActivityInfo;
import android.net.ConnectivityManager;
import android.os.Build;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.View;
import android.widget.Toast;

import com.example.qyh.joe.theme.base.BaseSkinActivity;

/**
 * 此项目功能比较简单，故没有过多抽取
 * Created by qyh on 2016/10/27.
 */
public abstract class BaseActivity extends BaseSkinActivity implements View.OnClickListener {
    protected Context mContext;
    private ConnectivityManager manager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);// 锁定竖屏
        // setTheme(R.style.AnimationActivity);//设置切换动画
        mContext = getActivityContext();
        initView();


        initdata();

    }
    /**
     * 初始activity方法
     */
    private void initView() {
        loadViewLayout();
    }
    private void initdata(){
        findViewById();
        setListener();
        processLogic();
    }
    @Override
    protected void onResume() {
        // TODO Auto-generated method stub
        super.onResume();

    }
    @Override
    protected void onPause() {
        // TODO Auto-generated method stub
        super.onPause();

    }

    @Override
    protected void onDestroy() {
        // TODO Auto-generated method stub
        super.onDestroy();

    }
    /**
     * 加载页面layout
     */
    protected abstract void loadViewLayout();

    /**
     * 加载页面元素
     */
    protected abstract void findViewById();

    /**
     * 设置各种事件的监听器
     */
    protected abstract void setListener();

    /**
     * 业务逻辑处理，主要与后端交互
     */
    protected abstract void processLogic();


    /**
     * Activity.this
     */
    protected abstract Context getActivityContext();

    /**
     * 弹出Toast
     *
     * @param text
     */
    public void showToast(String text) {
        Toast toast = Toast.makeText(this, text, Toast.LENGTH_SHORT);
        toast.setGravity(Gravity.CENTER, 0, 0);
        toast.show();
    }
    /**
     * 获取屏幕宽度(px)
     *
     * @param
     * @return
     */
    public int getMobileWidth() {
        DisplayMetrics dm = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);
        int width = dm.widthPixels;
        return width;
    }

    /**
     * 获取屏幕高度(px)
     *
     * @param
     * @return
     */
    public int getMobileHeight() {
        DisplayMetrics dm = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);
        int height = dm.heightPixels;
        return height;
    }

    /**
     * 获取状态栏高度
     * @return
     */
    public int getStatusBarHeight() {
        int result = 0;
        int resourceId = getResources().getIdentifier("status_bar_height", "dimen", "android");
        if (resourceId > 0) {
            result = getResources().getDimensionPixelSize(resourceId);
        }
        return result;
    }

    public boolean checkNetworkState() {
        boolean flag = false;
        //得到网络连接信息
        manager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
        //去进行判断网络是否连接
        if (manager.getActiveNetworkInfo() != null) {
            flag = manager.getActiveNetworkInfo().isAvailable();
        }
        return flag;
    }

    //沉浸式状态栏
    @Override
    public void onWindowFocusChanged(boolean hasFocus){
        super.onWindowFocusChanged(hasFocus);
        if (hasFocus && Build.VERSION.SDK_INT >= 19) {
            View decorView = getWindow().getDecorView();
            decorView.setSystemUiVisibility(
                    View.SYSTEM_UI_FLAG_LAYOUT_STABLE
                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                            | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                            | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
                            | View.SYSTEM_UI_FLAG_FULLSCREEN
                            | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
        }
    }
}