BaseActivity的简单方法

不做过多的解释，直接上代码

这里先唠叨一句（初级的开发工程师，写代码一定要规范，注释要简洁，命名一定要规范，因为以后可能维护的项目不是你本人，你要对自己曾经写的代码负责，让继承者有一个舒适感，维护起来也很 easy）。

package com.hfga.myapplication.Base;

import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.support.annotation.LayoutRes;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Toast;

import com.hfga.myapplication.R;
import com.hfga.myapplication.activity.MainActivity;

import butterknife.ButterKnife;
import butterknife.OnClick;

/**
 * Created by pengwei on 2018/8/3 14:04
 * email:[email protected]
 */

public abstract class BaseActivity extends AppCompatActivity {

    /** 是否禁止旋转屏幕 **/
    private boolean isAllowScreenRoate = true;
    /** 当前Activity渲染的视图View **/
    private View mContextView = null;
    /***是否显示标题栏*/
    private  boolean isshowtitle = false;
    /***是否隐藏状态栏*/
    private  boolean isshowstate = false;
    /***封装toast对象**/
    private static Toast toast;
    /***获取TAG的activity名称**/
    protected final String TAG = this.getClass().getSimpleName();

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.d(TAG, "BaseActivity-->onCreate()");
        Bundle bundle = getIntent().getExtras();
        //
        initParms(bundle);
        View mView = bindView();
        if (null == mView) {
            mContextView = LayoutInflater.from(this)
                    .inflate(bindLayout(), null);
        } else
            mContextView = mView;

        if(!isshowtitle){
            requestWindowFeature(Window.FEATURE_NO_TITLE);
        }

        if(isshowstate){
            getWindow().setFlags(WindowManager.LayoutParams. FLAG_FULLSCREEN ,
                    WindowManager.LayoutParams. FLAG_FULLSCREEN);
        }
        //设置布局
        setContentView(mContextView);

        if (isAllowScreenRoate) {
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        }

        //必须在 setContentView 之后调用
        ButterKnife.bind(this);
        //初始化控件
        initView(mContextView);
//        setListener();
        //操作逻辑
        doBusiness(this);
    }



    /**
     * [初始化参数]
     *
     * @param parms
     */
    public abstract void initParms(Bundle parms);

    /**
     * [绑定视图]
     *
     * @return
     */
    public abstract View bindView();

    /**
     * [绑定布局]
     *
     * @return
     */
    public abstract int bindLayout();


    /**
     * [初始化控件]
     *
     * @param view
     */
    public abstract void initView(final View view);


    /**
     * [绑定控件]
     *
     * @param resId
     *
     * @return
     */
    protected    <T extends View> T $(int resId) {
        return (T) super.findViewById(resId);
    }

    /**
     * [设置监听]
     */
//    public abstract void setListener();

    /**
     * [业务操作]
     *
     * @param mContext
     */
    public abstract void doBusiness(Context mContext);

    /**
     * 是否设置标题栏
     *
     * @return
     */
    public void setTitle(boolean ishow) {
        isshowtitle = ishow;
    }

    /**
     * 设置是否显示状态栏
     * @param ishow
     */
    public void setState(boolean ishow) {
        isshowstate=ishow;
    }

    /**
     * [页面跳转]
     *
     * @param clz
     */
    public void startActivity(Class<?> clz) {
        startActivity(new Intent(BaseActivity.this,clz));
    }

    /**
     * [携带数据的页面跳转]
     *
     * @param clz
     * @param bundle
     */
    public void startActivity(Class<?> clz, Bundle bundle) {
        Intent intent = new Intent();
        intent.setClass(this, clz);
        if (bundle != null) {
            intent.putExtras(bundle);
        }
        startActivity(intent);
    }

    /**
     * [含有Bundle通过Class打开编辑界面]
     *
     * @param cls
     * @param bundle
     * @param requestCode
     */
    public void startActivityForResult(Class<?> cls, Bundle bundle,
                                       int requestCode) {
        Intent intent = new Intent();
        intent.setClass(this, cls);
        if (bundle != null) {
            intent.putExtras(bundle);
        }
        startActivityForResult(intent, requestCode);
    }

    @Override
    protected void onRestart() {
        super.onRestart();
        Log.d(TAG, "onRestart()");
    }

    @Override
    protected void onStart() {
        super.onStart();
        Log.d(TAG, "onStart()");
    }

    @Override
    protected void onResume() {
        super.onResume();
        Log.d(TAG, "onResume()");
    }

    @Override
    protected void onPause() {
        super.onPause();
        Log.d(TAG, "onPause()");
    }

    @Override
    protected void onStop() {
        super.onStop();
        Log.d(TAG, "onStop()");
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        Log.d(TAG, "onDestroy()");
    }




    /**
     * 显示长toast
     * @param msg
     */
    public void toastLong(Context context , String msg){
        if (null == toast) {
            toast = Toast.makeText(context, "", Toast.LENGTH_LONG);
            toast.setText(msg);
            toast.show();
        } else {
            toast.setText(msg);
            toast.show();
        }
    }

    /**
     * 显示短toast
     * @param msg
     */
    public void toastShort(Context context , String msg){
        if (null == toast) {
            toast = Toast.makeText(context, "", Toast.LENGTH_SHORT);
            toast.setText(msg);
            toast.show();
        } else {
            toast.setText(msg);
            toast.show();
        }
    }


    /**
     * [是否允许屏幕旋转]
     *
     * @param isAllowScreenRoate
     */
    public void setScreenRoate(boolean isAllowScreenRoate) {
        this.isAllowScreenRoate = isAllowScreenRoate;
    }


}
activity的用法

package com.hfga.myapplication.activity;

import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;

import com.hfga.myapplication.Base.BaseActivity;
import com.hfga.myapplication.R;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;

public class MainActivity extends BaseActivity {

    @BindView(R.id.tv_back)
    TextView tvBack;
    @BindView(R.id.tv_intos)
    TextView tvIntos;
    private TextView tv_backs;
    private TextView tv_intoss;

    @Override
    public void initParms(Bundle parms) {
        setState(true); //设置是否隐藏状态栏
        setScreenRoate(true);
    }

    @Override
    public View bindView() {
        return null;
    }

    @Override
    public int bindLayout() {
        return R.layout.activity_main;
    }


    @Override
    public void initView(View view) {
    }

    @Override
    public void doBusiness(Context mContext) {

    }


    @Override
    public void onPointerCaptureChanged(boolean hasCapture) {
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // TODO: add setContentView(...) invocation
        ButterKnife.bind(this);
    }

    @OnClick({R.id.tv_back, R.id.tv_intos})
    public void onViewClicked(View view) {
        switch (view.getId()) {
            case R.id.tv_back:
                toastLong(MainActivity.this,"退出舞台。");
                finish();
                break;
            case R.id.tv_intos:
                toastLong(MainActivity.this,"开始show。");
                startActivity(DetialActivity.class);
                break;
        }
    }
}