package com.example.filebrowser.activity;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.net.URI;
import java.util.ArrayList;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.AnimationUtils;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ImageView.ScaleType;
import com.example.filebrowser.R;
import com.example.filebrowser.application.IApplication;
import com.example.filebrowser.beans.FileBean;
import com.example.filebrowser.beans.ImageBean;
import com.example.filebrowser.file.ExDialog;
public class MainActivity extends BaseActivity implements OnClickListener {
Context context;
private LinearLayout ly_main;
private ImageView iv_toAdd;
private PopupWindow popupWindow = null;
// ?????
private static final int SEL_PIC = 1;
private static int count = 1;
private LinearLayout linearLayout = null;
private ArrayList<ImageBean> imageBeans;
// ???????
private static final String TAG = "AddFile";
private static final int REQUEST_EX = 2;
private ArrayList<FileBean> fileBeans;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();
setListener();
}
private void initView() {
// TODO Auto-generated method stub
context = this;
ly_main = (LinearLayout) findViewById(R.id.ly_main);
iv_toAdd = (ImageView) findViewById(R.id.iv_toAdd);
imageBeans = new ArrayList();
fileBeans = new ArrayList();
linearLayout = (LinearLayout) findViewById(R.id.ly_addFile);
}
private void setListener() {
// TODO Auto-generated method stub
iv_toAdd.setOnClickListener(this);
}
@Override
public void onClick(View view) {
// TODO Auto-generated method stub
switch (view.getId()) {
case R.id.iv_toAdd:
new PopupWindowSex(context, ly_main);
break;
default:
break;
}
}
public class PopupWindowSex extends PopupWindow {
public PopupWindowSex(final Context mContext, View parent) {
super(mContext);
try {
View view = View.inflate(mContext, R.layout.pop_select, null);
view.startAnimation(AnimationUtils.loadAnimation(mContext,
R.anim.fade_ins));
setWidth(LayoutParams.FILL_PARENT);
setHeight(LayoutParams.WRAP_CONTENT);
setBackgroundDrawable(new BitmapDrawable());
// setFocusable(true);
setOutsideTouchable(true);
setContentView(view);
showAtLocation(parent, Gravity.BOTTOM, 0, 0);
update();
LinearLayout ly_photo = (LinearLayout) view
.findViewById(R.id.ly_photo);// ????
LinearLayout ly_file = (LinearLayout) view
.findViewById(R.id.ly_file);// ???
LinearLayout ly_pop_del = (LinearLayout) view
.findViewById(R.id.ly_pop_del);// ???
/**
* ?????
*/
ly_photo.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// ?????????
if (count > 5) {
Toast.makeText(context, "??????5??",
Toast.LENGTH_SHORT).show();
return;
} else {
count++;
Intent intent = new Intent(
Intent.ACTION_GET_CONTENT); // "android.intent.action.GET_CONTENT"
// intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/*");
startActivityForResult(intent, SEL_PIC);
}
dismiss();
}
});
/**
* ??????
*/
ly_file.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent();
intent.putExtra("explorer_title",
getString(R.string.dialog_read_from_dir));
intent.setDataAndType(
Uri.fromFile(new File("/sdcard")), "*/*");
intent.setClass(MainActivity.this, ExDialog.class);
startActivityForResult(intent, REQUEST_EX);
dismiss();
}
});
/**
* ???
*/
ly_pop_del.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
dismiss();
}
});
} catch (Exception e) {
// TODO: handle exception
}
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
String path = "";
if (resultCode == RESULT_OK) {
if (requestCode == SEL_PIC) {
Uri uri = data.getData();
String[] proj = { MediaStore.Images.Media.DATA };
Cursor cursor = managedQuery(uri, proj, null, null, null);
// ?????????? ????????û??????????????
int column_index = cursor
.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
// ???????????? ??????????????С??????????????
cursor.moveToFirst();
// ???????????????·??
path = cursor.getString(column_index);
ImageBean bean = new ImageBean();
bean.setPath(path);
imageBeans.add(bean);
updateLayout();
}
if (requestCode == REQUEST_EX) {
Uri uri = data.getData();
//String[] proj = new String[]{MediaStore.Files.};
Cursor cursor = managedQuery(uri, proj, null, null, null);
// ?????????? ????????û???????????????
int column_index = cursor
.getColumnIndexOrThrow("_data");
// ???????????? ??????????????С??????????????
cursor.moveToFirst();
// ????????????????·??
path = cursor.getString(column_index);
Log.e("MainActivity", path);
FileBean fileBean = new FileBean();
fileBean.setPath(path);
fileBeans.add(fileBean);
updateLayout2();
}
}
}
/**
* ??????????
*/
private void updateLayout() {
LinearLayout ll_horizontal = null;
linearLayout.removeAllViews();
for (int i = 0; i < imageBeans.size(); i++) {
if (i % 4 == 0) {
ll_horizontal = new LinearLayout(context);
ll_horizontal.setOrientation(LinearLayout.HORIZONTAL);
linearLayout.addView(ll_horizontal);
}
ImageView img = new ImageView(context);
setImgLayoutParams(img);
setImageBitmap(img, imageBeans.get(i).getPath());
ll_horizontal.addView(img);
}
}
/**
* ??????????
*/
private void updateLayout2() {
LinearLayout ll_horizontal = null;
linearLayout.removeAllViews();
for (int i = 0; i < fileBeans.size(); i++) {
if (i % 4 == 0) {
ll_horizontal = new LinearLayout(context);
ll_horizontal.setOrientation(LinearLayout.HORIZONTAL);
linearLayout.addView(ll_horizontal);
}
ImageView img = new ImageView(context);
setImgLayoutParams(img);
setImageBitmap(img, fileBeans.get(i).getPath());
ll_horizontal.addView(img);
}
}
/**
* ????imageview????
*/
private void setImgLayoutParams(ImageView img) {
ViewGroup.LayoutParams lps = new android.view.ViewGroup.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT);
lps.width = (int) ((IApplication.getScreenWidth(context) - 20
* IApplication.getScreenDensity(context) - 3 * 5 * IApplication
.getScreenDensity(context)) / 4);
lps.height = lps.width;
img.setLayoutParams(lps);
img.setScaleType(ScaleType.CENTER_CROP);
}
/**
* ?imageview??????
*/
private void setImageBitmap(ImageView img, String url) {
try {
FileInputStream fis = new FileInputStream(url);
img.setImageBitmap(BitmapFactory.decodeStream(fis));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
}
原文地址：http://blog.csdn.net/wuxin782515516/article/details/46367517
