使用BaseActivity可以封装一些重复代码例如设置标题栏颜色，封装一些工具类...

主要功能：

1. 封装Toast

新建一个BaseActivity继承自Activity

package com.onepilltest;import android.app.Activity;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.EditText;
import android.widget.Toast;import com.onepilltest.util.KeyboardUtils;
import com.onepilltest.util.StatusBarUtil;/*** 封装Activity用于管理所有Activity*/public abstract class BaseActivity extends Activity {/***是否显示标题栏*/private  boolean isshowtitle = true;/***是否显示标题栏*/private  boolean isshowstate = true;/***封装toast对象**/private static Toast toast;/***获取TAG的activity名称**/protected final String TAG = this.getClass().getSimpleName();@Overrideprotected void onCreate(@Nullable Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(intiLayout());//初始化状态栏{//当FitsSystemWindows设置 true 时，会在屏幕最上方预留出状态栏高度的 paddingStatusBarUtil.setRootViewFitsSystemWindows(this,true);//设置状态栏透明StatusBarUtil.setTranslucentStatus(this);//一般的手机的状态栏文字和图标都是白色的, 可如果你的应用也是纯白色的, 或导致状态栏文字看不清//所以如果你是这种情况,请使用以下代码, 设置状态使用深色文字图标风格, 否则你可以选择性注释掉这个if内容if (!StatusBarUtil.setStatusBarDarkTheme(this, true)) {//如果不支持设置深色风格 为了兼容总不能让状态栏白白的看不清, 于是设置一个状态栏颜色为半透明,//这样半透明+白=灰, 状态栏的文字能看得清StatusBarUtil.setStatusBarColor(this,0x55000000);}}//初始化控件initView();//设置数据initData();}/*** 设置布局** @return*/public abstract int intiLayout();/*** 初始化布局*/public abstract void initView();/*** 设置数据*/public abstract void initData();public static String Help(){String str = "\n-->\n";str += "丨------------------------------\n";str += "丨设置屏幕横竖屏切换:setScreenRoate(Boolean screenRoate) true  竖屏  false  横屏"+"\n";str += "丨显示长toast:toastLong(String msg) String msg"+"\n";str += "丨显示短toast:toastShort(String msg)"+"\n";str += "丨页面跳转:startActivity(Class<?> clz)"+"\n";str += "丨携带数据的页面跳转:startActivity(Class<?> clz, Bundle bundle)"+"\n";str += "丨* * *设置EditView和Activity的互动* * *"+"\n";str += "丨传入EditText的Id:重写hideSoftByEditViewIds()"+"\n";str += "丨传入要过滤的View:filterViewByIds()"+"\n";str += "丨* * * * * * * * * * * * * * * * * * *"+"\n";str += "丨-----------------------------\n";Log.e("BaseActivity_Help",str);return str;}/*** 设置屏幕横竖屏切换* @param screenRoate true  竖屏     false  横屏*/private void setScreenRoate(Boolean screenRoate) {if (screenRoate) {setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);//设置竖屏模式} else {setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);}}/*** 显示长toast* @param msg*/public void toastLong(String msg){if (null == toast) {toast = new Toast(this);toast.setDuration(Toast.LENGTH_LONG);toast.setText(msg);toast.show();} else {toast.setText(msg);toast.show();}}/*** 显示短toast* @param msg*/public void toastShort(String msg){if (null == toast) {toast = new Toast(this);toast.setDuration(Toast.LENGTH_SHORT);toast.setText(msg);toast.show();} else {toast.setText(msg);toast.show();}}/*** [页面跳转]* @param clz*/public void startActivity(Class<?> clz) {startActivity(clz, null);}/*** [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);}/*** 以下是关于软键盘的处理*//*** 清除editText的焦点** @param v   焦点所在View* @param ids 输入框*/public void clearViewFocus(View v, int... ids) {if (null != v && null != ids && ids.length > 0) {for (int id : ids) {if (v.getId() == id) {v.clearFocus();break;}}}}/*** 隐藏键盘** @param v   焦点所在View* @param ids 输入框* @return true代表焦点在edit上*/public boolean isFocusEditText(View v, int... ids) {if (v instanceof EditText) {EditText et = (EditText) v;for (int id : ids) {if (et.getId() == id) {return true;}}}return false;}//是否触摸在指定view上面,对某个控件过滤public boolean isTouchView(View[] views, MotionEvent ev) {if (views == null || views.length == 0) {return false;}int[] location = new int[2];for (View view : views) {view.getLocationOnScreen(location);int x = location[0];int y = location[1];if (ev.getX() > x && ev.getX() < (x + view.getWidth())&& ev.getY() > y && ev.getY() < (y + view.getHeight())) {return true;}}return false;}@Overridepublic boolean dispatchTouchEvent(MotionEvent ev) {if (ev.getAction() == MotionEvent.ACTION_DOWN) {if (isTouchView(filterViewByIds(), ev)) {return super.dispatchTouchEvent(ev);}if (hideSoftByEditViewIds() == null || hideSoftByEditViewIds().length == 0) {return super.dispatchTouchEvent(ev);}View v = getCurrentFocus();if (isFocusEditText(v, hideSoftByEditViewIds())) {KeyboardUtils.hideInputForce(this);clearViewFocus(v, hideSoftByEditViewIds());}}return super.dispatchTouchEvent(ev);}/*** 传入EditText的Id* 没有传入的EditText不做处理** @return id 数组*/public int[] hideSoftByEditViewIds() {return null;}/*** 传入要过滤的View* 过滤之后点击将不会有隐藏软键盘的操作** @return id 数组*/public View[] filterViewByIds() {return null;}/*实现案例===============================================================================================*///    @Override
//    public int[] hideSoftByEditViewIds() {
//        int[] ids = {R.id.et_company_name, R.id.et_address};
//        return ids;
//    }
//
//    @Override
//    public View[] filterViewByIds() {
//        View[] views = {mEtCompanyName, mEtAddress};
//        return views;
//    }}

工具类KeyboardUtils

package com.onepilltest.util;import android.app.Activity;
import android.content.Context;
import android.util.Log;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.EditText;import com.onepilltest.BaseActivity;
import com.onepilltest.R;import static android.content.Context.INPUT_METHOD_SERVICE;/*** @author sunyaxi* @date 2016/11/17.*/
public class KeyboardUtils {/*** 动态隐藏软键盘*/public static void hideSoftInput(Activity activity) {View view = activity.getWindow().peekDecorView();if (view != null) {InputMethodManager inputManger = (InputMethodManager) activity.getSystemService(INPUT_METHOD_SERVICE);inputManger.hideSoftInputFromWindow(view.getWindowToken(), 0);}}/*** 动态隐藏软键盘*/public static void hideSoftInput(Context context, View view) {view.clearFocus();InputMethodManager inputManger = (InputMethodManager) context.getSystemService(INPUT_METHOD_SERVICE);inputManger.hideSoftInputFromWindow(view.getWindowToken(), 0);}/*** 动态显示软键盘*/public static void showSoftInput(Context context, EditText edit) {edit.setFocusable(true);edit.setFocusableInTouchMode(true);edit.requestFocus();InputMethodManager inputManager = (InputMethodManager) context.getSystemService(INPUT_METHOD_SERVICE);inputManager.showSoftInput(edit, 0);}/*** 切换键盘显示与否状态*/public static void toggleSoftInput(Context context, EditText edit) {edit.setFocusable(true);edit.setFocusableInTouchMode(true);edit.requestFocus();InputMethodManager inputManager = (InputMethodManager) context.getSystemService(INPUT_METHOD_SERVICE);inputManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0);}/*** 点击屏幕空白区域隐藏软键盘（方法1）* 在onTouch中处理，未获焦点则隐藏* 参照以下注释代码*/public static void clickBlankArea2HideSoftInput0() {Log.i("tips", "U should copy the following code.");/*@Overridepublic boolean onTouchEvent (MotionEvent event){if (null != this.getCurrentFocus()) {InputMethodManager mInputMethodManager = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);return mInputMethodManager.hideSoftInputFromWindow(this.getCurrentFocus().getWindowToken(), 0);}return super.onTouchEvent(event);}*/}/*** 点击屏幕空白区域隐藏软键盘（方法2）* 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* 需重写dispatchTouchEvent* 参照以下注释代码*/public static void clickBlankArea2HideSoftInput1() {Log.i("tips", "U should copy the following code.");/*@Overridepublic boolean dispatchTouchEvent(MotionEvent ev) {if (ev.getAction() == MotionEvent.ACTION_DOWN) {View v = getCurrentFocus();if (isShouldHideKeyboard(v, ev)) {hideKeyboard(v.getWindowToken());}}return super.dispatchTouchEvent(ev);}// 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private 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();return !(event.getX() > left && event.getX() < right&& event.getY() > top && event.getY() < bottom);}return false;}// 获取InputMethodManager，隐藏软键盘private void hideKeyboard(IBinder token) {if (token != null) {InputMethodManager im = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);im.hideSoftInputFromWindow(token, InputMethodManager.HIDE_NOT_ALWAYS);}}*/}/*** des:隐藏软键盘,这种方式参数为activity** @param activity*/public static void hideInputForce(Activity activity) {if (activity == null || activity.getCurrentFocus() == null)return;((InputMethodManager) activity.getSystemService(INPUT_METHOD_SERVICE)).hideSoftInputFromWindow(activity.getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);}
}

将自己的Activity继承BaseActivity

public class SettingActivity extends BaseActivity {