做微信公众号海报的网站,南山区做网站,网站建设上海哪家公司好,网站备案进度查询版权声明#xff1a;本文为HaiyuKing原创文章#xff0c;转载请注明出处#xff01; 概述 这里简单记录下Activity、Fragment、Dialog基类中的常规写法#xff0c;后续根据项目需求进行相应的扩展。 BaseActivity.java package com.why.project.myapptemplet.activity;impo…版权声明本文为HaiyuKing原创文章转载请注明出处 概述 这里简单记录下Activity、Fragment、Dialog基类中的常规写法后续根据项目需求进行相应的扩展。 BaseActivity.java package com.why.project.myapptemplet.activity;import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Window;/*** Created by HaiyuKing* Used*/
public class BaseActivity extends AppCompatActivity {private static final String TAG BaseActivity.class.getSimpleName();public static int screenWidth;//屏幕宽度public static int screenHeight;//屏幕高度public static int screenDendity;//屏幕密度比例public static int screenDendityDpi;//屏幕密度
Overrideprotected void onCreate(Bundle savedInstanceState) {// 去掉标题栏this.requestWindowFeature(Window.FEATURE_NO_TITLE);//保持屏幕为横屏或者竖屏禁止旋转setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);//竖屏//setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);//横屏//将Acitivity 中的Window 的背景图设置为空,解决Android Activity切换时出现白屏问题getWindow().setBackgroundDrawable(null);//打印当前活动的activityLog.d(TAG, getClass().getSimpleName());// 知晓当前是在哪一个活动//3、获取屏幕宽和高DisplayMetrics metric new DisplayMetrics();getWindowManager().getDefaultDisplay().getMetrics(metric);screenWidth metric.widthPixels;// 屏幕宽度像素screenHeight metric.heightPixels;//屏幕高度像素
screenDendity (int) metric.density;//屏幕密度比例3screenDendityDpi metric.densityDpi;//屏幕密度480super.onCreate(savedInstanceState);}
} BaseFragment.java package com.why.project.myapptemplet.fragment;import android.os.Bundle;
import android.support.v4.app.Fragment;/*** Used 基础碎片类*/
public class BaseFragment extends Fragment {//传递过来的参数Bundle供子类使用protected Bundle args;/*** 创建fragment的静态方法方便传递参数* param args 传递的参数* return*/public static T extends FragmentT getInstance(Class clazz, Bundle args) {T mFragmentnull;try {mFragment (T) clazz.newInstance();} catch (java.lang.InstantiationException e) {e.printStackTrace();} catch (IllegalAccessException e) {e.printStackTrace();}mFragment.setArguments(args);return mFragment;}/*** 初始创建Fragment对象时调用* param savedInstanceState*/Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);args getArguments();}
} BaseDialogFragment.java package com.why.project.myapptemplet.dialog;import android.support.v4.app.DialogFragment;/*** Created by HaiyuKing* Used*/public class BaseDialogFragment extends DialogFragment {} 参考资料 暂时空缺 项目demo下载地址 https://github.com/haiyuKing/MyAppTemplet转载于:https://www.cnblogs.com/whycxb/p/9739399.html
