Activity的各种功能封装

Activity全屏、隐藏系统标题栏、设置屏幕方向、Activity跳转等功能

/**
 * Copyright (C) 2012 TookitForAndroid Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package chen.android.toolkit.system;
 
import java.util.Map;
 
import org.apache.http.NameValuePair;
 
import android.app.Activity;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Toast;
 
/**
 * </br><b>name : </b>        ActivityUtil
 * </br><b>description :</b>Activity特性辅助工具
 * </br>@author :             桥下一粒砂
 * </br><b>e-mail : </b>  chenyoca@gmail.com
 * </br><b>weibo : </b>       @桥下一粒砂
 * </br><b>date : </b>        2012-7-8
 *
 */
public class ActivityUtil {
 
    /**
     * </br><b>title : </b>       设置Activity全屏显示
     * </br><b>description :</b>设置Activity全屏显示。
     * @param activity Activity引用
     * @param isFull true为全屏，false为非全屏
     */
    public static void setFullScreen(Activity activity,boolean isFull){
        Window window = activity.getWindow();
        WindowManager.LayoutParams params = window.getAttributes();
        if (isFull) {
            params.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
            window.setAttributes(params);
            window.addFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
        } else {
            params.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
            window.setAttributes(params);
            window.clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
        }
    }
     
    /**
     * </br><b>title : </b>       隐藏系统标题栏
     * </br><b>description :</b>隐藏Activity的系统默认标题栏
     * @param activity Activity对象
     */
    public static void hideTitleBar(Activity activity){
        activity.requestWindowFeature(Window.FEATURE_NO_TITLE);
    }
     
    /**
     * </br><b>title : </b>       设置Activity的显示方向为垂直方向
     * </br><b>description :</b>强制设置Actiity的显示方向为垂直方向。
     * @param activity Activity对象
     */
    public static void setScreenVertical(Activity activity){
        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
    }
     
    /**
     * </br><b>title : </b>       设置Activity的显示方向为横向
     * </br><b>description :</b>强制设置Actiity的显示方向为横向。
     * @param activity Activity对象
     */
    public static void setScreenHorizontal(Activity activity){
        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
    }
     
    /**
     * </br><b>title : </b>     隐藏软件输入法
     * </br><b>description :</b>隐藏软件输入法
     * </br><b>time :</b>       2012-7-12 下午7:20:00
     * @param activity
     */
    public static void hideSoftInput(Activity activity){
        activity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
    }
     
    /**
     * </br><b>title : </b>       使UI适配输入法
     * </br><b>description :</b>使UI适配输入法
     * </br><b>time :</b>     2012-7-17 下午10:21:26
     * @param activity
     */
    public static void adjustSoftInput(Activity activity) {
        activity.getWindow().setSoftInputMode(
                WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
    }
     
    /**
     * </br><b>title : </b>       跳转到某个Activity。
     * </br><b>description :</b>跳转到某个Activity
     * </br><b>time :</b>     2012-7-8 下午3:20:00
     * @param activity          本Activity
     * @param targetActivity    目标Activity的Class
     */
    public static void switchTo(Activity activity,Class<? extends Activity> targetActivity){
        switchTo(activity, new Intent(activity,targetActivity));
    }
     
    /**
     * </br><b>title : </b>       根据给定的Intent进行Activity跳转
     * </br><b>description :</b>根据给定的Intent进行Activity跳转
     * </br><b>time :</b>     2012-7-8 下午3:22:23
     * @param activity          Activity对象
     * @param intent            要传递的Intent对象
     */
    public static void switchTo(Activity activity,Intent intent){
        activity.startActivity(intent);
    }
     
    /**
     * </br><b>title : </b>       带参数进行Activity跳转
     * </br><b>description :</b>带参数进行Activity跳转
     * </br><b>time :</b>     2012-7-8 下午3:24:54
     * @param activity          Activity对象
     * @param targetActivity    目标Activity的Class
     * @param params            跳转所带的参数
     */
    public static void switchTo(Activity activity,Class<? extends Activity> targetActivity,Map<String,Object> params){
        if( null != params ){
            Intent intent = new Intent(activity,targetActivity);
            for(Map.Entry<String, Object> entry : params.entrySet()){
                setValueToIntent(intent, entry.getKey(), entry.getValue());
            }
            switchTo(activity, intent);
        }
    }
     
    /**
     * </br><b>title : </b>       带参数进行Activity跳转
     * </br><b>description :</b>带参数进行Activity跳转
     * </br><b>time :</b>     2012-7-17 下午10:22:58
     * @param activity
     * @param target
     * @param params
     */
    public static void switchTo(Activity activity,Class<? extends Activity> target,NameValuePair...params){
        if( null != params ){
            Intent intent = new Intent(activity,target);
            for(NameValuePair param : params){
                setValueToIntent(intent, param.getName(), param.getValue());
            }
            switchTo(activity, intent);
        }
    }
     
     
    /**
     * </br><b>title : </b>       显示Toast消息。
     * </br><b>description :</b>显示Toast消息，并保证运行在UI线程中
     * </br><b>time :</b>     2012-7-10 下午08:36:02
     * @param activity
     * @param message
     */
    public static void toastShow(final Activity activity,final String message){
        activity.runOnUiThread(new Runnable() {
            public void run() {
                Toast.makeText(activity, message, Toast.LENGTH_SHORT).show();
            }
        });
    }
     
    /**
     * </br><b>title : </b>       将值设置到Intent里
     * </br><b>description :</b>将值设置到Intent里
     * </br><b>time :</b>     2012-7-8 下午3:31:17
     * @param intent            Inent对象
     * @param key               Key
     * @param val               Value
     */
    public static void setValueToIntent(Intent intent, String key, Object val) {
        if (val instanceof Boolean)
            intent.putExtra(key, (Boolean) val);
        else if (val instanceof Boolean[])
            intent.putExtra(key, (Boolean[]) val);
        else if (val instanceof String)
            intent.putExtra(key, (String) val);
        else if (val instanceof String[])
            intent.putExtra(key, (String[]) val);
        else if (val instanceof Integer)
            intent.putExtra(key, (Integer) val);
        else if (val instanceof Integer[])
            intent.putExtra(key, (Integer[]) val);
        else if (val instanceof Long)
            intent.putExtra(key, (Long) val);
        else if (val instanceof Long[])
            intent.putExtra(key, (Long[]) val);
        else if (val instanceof Double)
            intent.putExtra(key, (Double) val);
        else if (val instanceof Double[])
            intent.putExtra(key, (Double[]) val);
        else if (val instanceof Float)
            intent.putExtra(key, (Float) val);
        else if (val instanceof Float[])
            intent.putExtra(key, (Float[]) val);
    }
 }