从本地相册中动态添加image

标签：动态添加image

<pre name="code" class="java">实体类：
package com.example.showgetpic;

import android.R.integer;

class ImageBean {
	public String path;
	private int  rightMargin;
	private int  bottomMargin;
	public int getRightMargin() {
		return rightMargin;
	}

	public void setRightMargin(int rightMargin) {
		this.rightMargin = rightMargin;
	}

	public int getBottomMargin() {
		return bottomMargin;
	}

	public void setBottomMargin(int bottomMargin) {
		this.bottomMargin = bottomMargin;
	}

	public String getPath() {
		return path;
	}
	
	public void setPath(String path) {
		this.path = path;
	}
}
BaseActivity:
/**
 * Copyright (C) 2013-2014 EaseMob Technologies. All rights reserved.
 *
 * 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 com.example.showgetpic;

import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.View;

public class BaseActivity extends FragmentActivity {

    @Override
    protected void onCreate(Bundle arg0) {
        super.onCreate(arg0);
    }

    @Override
    protected void onResume() {
        super.onResume();
        // onresume时，取消notification显示
//        HXSDKHelper.getInstance().getNotifier().reset();
        
        // umeng
//        MobclickAgent.onResume(this);
    }

    @Override
    protected void onStart() {
        super.onStart();
        // umeng
//        MobclickAgent.onPause(this);
    }


    /**
     * 返回
     * 
     * @param view
     */
    public void back(View view) {
        finish();
    }
}

布局：
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    tools:context=".MainActivity" >

    <LinearLayout
        android:id="@+id/ly_list"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical" >
    </LinearLayout>

    <ImageView
        android:id="@+id/btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/topic_plus_pressed" >
    </ImageView>

</LinearLayout>

Application类：
package com.example.showgetpic;

import android.app.Application;
import android.content.Context;
import android.util.DisplayMetrics;
import android.view.WindowManager;

public class IApplication extends Application {
	//获取屏幕宽度
	public static int getScreenWidth(Context context) {
		WindowManager wm = (WindowManager) context
				.getSystemService(Context.WINDOW_SERVICE);
		DisplayMetrics outMetrics = new DisplayMetrics();
		wm.getDefaultDisplay().getMetrics(outMetrics);
		int width = outMetrics.widthPixels;
		return width;
	}
	//获取屏幕密度
	public static float getScreenDensity(Context context) {
		WindowManager wm = (WindowManager) context
				.getSystemService(Context.WINDOW_SERVICE);
		DisplayMetrics outMetrics = new DisplayMetrics();
		wm.getDefaultDisplay().getMetrics(outMetrics);
		float density = outMetrics.density;
		return density;
	}

	/**
	 * 获得屏幕高度
	 */
	public static int getScreenHeight(Context context) {
		WindowManager wm = (WindowManager) context
				.getSystemService(Context.WINDOW_SERVICE);
		DisplayMetrics outMetrics = new DisplayMetrics();
		wm.getDefaultDisplay().getMetrics(outMetrics);
		int height = outMetrics.heightPixels;
		return height;
	}

	/**
	 * 获得状态栏的高度
	 */
	public static int getStatusHeight(Context context) {

		int statusHeight = -1;
		try {
			Class<?> clazz = Class.forName("com.android.internal.R$dimen");
			Object object = clazz.newInstance();
			int height = Integer.parseInt(clazz.getField("status_bar_height")
					.get(object).toString());
			statusHeight = context.getResources().getDimensionPixelSize(height);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return statusHeight;
	}

}

从本地相册中动态添加image

标签：动态添加image

原文地址：http://blog.csdn.net/wuxin782515516/article/details/46331949