java头像选择系统_Android+超高仿微信图片选择器（头像选择）

【实例简介】

【实例截图】

【核心代码】

头像选择

package com.zhy.utils;

import java.util.List;

import android.content.Context;

import android.graphics.drawable.BitmapDrawable;

import android.view.MotionEvent;

import android.view.View;

import android.view.View.OnTouchListener;

import android.widget.PopupWindow;

public abstract class BasePopupWindowForListView extends PopupWindow

{

/**

* 布局文件的最外层View

*/

protected View mContentView;

protected Context context;

/**

* ListView的数据集

*/

protected List mDatas;

public BasePopupWindowForListView(View contentView, int width, int height,

boolean focusable)

{

this(contentView, width, height, focusable, null);

}

public BasePopupWindowForListView(View contentView, int width, int height,

boolean focusable, List mDatas)

{

this(contentView, width, height, focusable, mDatas, new Object[0]);

}

public BasePopupWindowForListView(View contentView, int width, int height,

boolean focusable, List mDatas, Object... params)

{

super(contentView, width, height, focusable);

this.mContentView = contentView;

context = contentView.getContext();

if (mDatas != null)

this.mDatas = mDatas;

if (params != null && params.length > 0)

{

beforeInitWeNeedSomeParams(params);

}

setBackgroundDrawable(new BitmapDrawable());

setTouchable(true);

setOutsideTouchable(true);

setTouchInterceptor(new OnTouchListener()

{

@Override

public boolean onTouch(View v, MotionEvent event)

{

if (event.getAction() == MotionEvent.ACTION_OUTSIDE)

{

dismiss();

return true;

}

return false;

}

});

initViews();

initEvents();

init();

}

protected abstract void beforeInitWeNeedSomeParams(Object... params);

public abstract void initViews();

public abstract void initEvents();

public abstract void init();

public View findViewById(int id)

{

return mContentView.findViewById(id);

}

protected static int dpToPx(Context context, int dp)

{

return (int) (context.getResources().getDisplayMetrics().density * dp 0.5f);

}

}

总结

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