Android模仿发说说 完美版 无bug 可以本地获取相机，相册 删除，点击进入滑动 ui更新

先上效果：

上效果






现在直接贴代码，这个demo代码很少，2个activity之间的回调跳转时必须的，图中的小图标怎么找了，这个是最直接的功能，希望能帮助到和我一样的小白：

property_repair.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
tools:ignore="MergeRootFrame" >

<Button
android:id="@+id/button1"
android:layout_width="100dp"
android:layout_height="30dp"
android:text="提交问题"
android:gravity="center"
android:textColor="#1Eb2ff"
android:background="@null"
android:textSize="16sp"
android:layout_alignParentRight="true"
/>

<RelativeLayout
android:id="@+id/Content_Layout"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_below="@id/button1"
android:gravity="center">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#ffffff"
android:layout_alignParentBottom="true" >

<EditText
android:id="@+id/editText1"
android:layout_height="120dp"
android:layout_width="fill_parent"
android:textColor="#1eb2ff"
android:gravity="top"
android:textSize="15sp"
android:hint="请说明你的问题..."
android:maxLength="500"
android:singleLine="false"
android:background="#ffffff"
/>
<GridView
android:id="@+id/Scrollgridview"
android:layout_width="fill_parent"
android:layout_height="180dp"
android:layout_marginLeft="28dp"
android:columnWidth="90dp"
android:gravity="center"
android:background="#ffffff"
android:horizontalSpacing="5dp"
android:listSelector="@android:color/transparent"
android:numColumns="3"
android:scrollbars="none"
android:stretchMode="columnWidth"
android:verticalSpacing="10dp" />

</LinearLayout>
</RelativeLayout>

</RelativeLayout>

activity_photo.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >

<LinearLayout
android:id="@+id/linear_layout_fanhui"
android:layout_width="match_parent"
android:layout_marginTop="20dp"
android:layout_height="23dp"

>

<Button
android:id="@+id/fanhui"
android:layout_width="20dp"
android:layout_marginLeft="30dp"
android:layout_height="match_parent"
android:layout_gravity="center_vertical"
android:background="@drawable/back"
android:paddingLeft="5dp"
android:textSize="15sp" />
</LinearLayout>

<android.support.v4.view.ViewPager
android:id="@+id/viewpager"
android:layout_width="match_parent"
android:layout_height="500dp" >
</android.support.v4.view.ViewPager>

<Button
android:id="@+id/deldete"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_gravity="center_horizontal"
android:background="@drawable/delet"
/>

</LinearLayout>

activity_selectimg.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#ffffff"
android:orientation="vertical" >

<HorizontalScrollView
android:id="@+id/selectimg_horizontalScrollView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingLeft="10dp"
android:paddingRight="10dp" >

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal" >

<GridView
android:id="@+id/noScrollgridview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:fastScrollEnabled="true"
android:focusable="true"
android:gravity="center"
android:horizontalSpacing="0dp"
android:scrollbars="none"
android:scrollingCache="false"
android:stretchMode="spacingWidthUniform"
android:verticalSpacing="1dp" >
</GridView>
</LinearLayout>
</HorizontalScrollView>

</LinearLayout>

item_popupwindows.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<LinearLayout
android:id="@+id/ll_popup"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:background="#ffffff"
android:orientation="vertical" >

<TextView
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#ff495a" />

<LinearLayout
android:layout_width="match_parent"
android:layout_height="55dp"
android:orientation="horizontal" >

<Button
android:id="@+id/item_popupwindows_camera"
android:layout_width="match_parent"
android:layout_height="55dp"
android:background="@drawable/bt_nobgd_top_button_left_right_11"
android:text="拍照"
android:textColor="#585858"
android:textSize="18sp" />
</LinearLayout>

<TextView
android:layout_width="match_parent"
android:layout_height="1px"
android:layout_marginLeft="80dp"
android:background="#f2f2f2" />

<LinearLayout
android:layout_width="match_parent"
android:layout_height="55dp"
android:orientation="horizontal" >

<Button
android:id="@+id/item_popupwindows_Photo"
android:layout_width="match_parent"
android:layout_height="55dp"
android:background="@drawable/bt_nobgd_top_button_left_right_11"
android:text="从相册中选取"
android:textColor="#585858"
android:textSize="18sp" />
</LinearLayout>

<TextView
android:layout_width="match_parent"
android:layout_height="2dp"
android:background="#f3f3f3" />

<Button
android:id="@+id/item_popupwindows_cancel"
android:layout_width="match_parent"
android:layout_height="55dp"
android:background="@drawable/bt_nobgd_top_button_left_right_11"
android:text="取消"
android:textColor="#585858"
android:textSize="18sp" />
</LinearLayout>

</RelativeLayout>

item_published_grida.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<ImageView
android:id="@+id/item_grida_image"
android:layout_width="80dp"
android:layout_height="80dp"
android:scaleType="fitXY"
/>

</RelativeLayout>

当然权限是少不了的：

<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />

下面是程序：

PhotoActivity.java

package com.dynamic;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.ImageView;

public class PhotoActivity extends Activity {
public  List<Bitmap> bitmap = new ArrayList<Bitmap>();
private ArrayList<View> listViews ;
private ViewPager pager;
private MyPageAdapter adapter;
private Button fanhui;
private Button deldete;
private int index = 0;
private MainActivity property_repair;

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_photo);
deldete=(Button) findViewById(R.id. deldete);
/**
* 删除照片
*/
deldete.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {

if (listViews.size() > 0) {
listViews.remove(index);
MainActivity.bmp.remove(index);
adapter.notifyDataSetChanged();
}
}
});

fanhui=(Button) findViewById(R.id.fanhui);
fanhui.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
finish();
}
});
pager = (ViewPager) findViewById(R.id.viewpager);
pager.setOnPageChangeListener(pageChangeListener);

for (int i = 0; i < property_repair.bmp.size(); i++) {
initListViews(property_repair.bmp.get(i));
}
adapter = new MyPageAdapter(listViews);// 构造adapter
pager.setAdapter(adapter); //设置适配器
Intent intent = getIntent();
int id = intent.getIntExtra("ID", 0);
pager.setCurrentItem(id);
}

private void initListViews(Bitmap bm) {

if (listViews == null)
listViews = new ArrayList<View>();
final ImageView img = new ImageView(this);// 构造textView对象

img.setImageBitmap(bm);
img.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT));

// 添加view
listViews.add(img);

}

private OnPageChangeListener pageChangeListener = new OnPageChangeListener() {

public void onPageSelected(int arg0) {
// 页面选择响应函数
index = arg0;
}

public void onPageScrolled(int arg0, float arg1, int arg2) {// 滑动中。。。

}

public void onPageScrollStateChanged(int arg0) {// 滑动状态改变

}
};

class MyPageAdapter extends PagerAdapter {

private ArrayList<View> listViews;// content

private int size;// 页数

public MyPageAdapter(ArrayList<View> listViews) {// 构造函数
// 初始化viewpager的时候给的一个页面
this.listViews = listViews;
size = listViews == null ? 0 : listViews.size();
}

public void setListViews(ArrayList<View> listViews) {// 自己写的一个方法用来添加数据
this.listViews = listViews;
size = listViews == null ? 0 : listViews.size();
}

public int getCount() {// 返回数量
if (listViews != null && listViews.size() > 0) {
return listViews.size();
} else {
return 0;
}
}

public int getItemPosition(Object object) {
return POSITION_NONE;
}

public void destroyItem(ViewGroup container, int position, Object object) {
container.removeView((View) object);
if(listViews.size()==0){

finish();
}
}

public void finishUpdate(View arg0) {
}

public Object instantiateItem(ViewGroup container, int position) {
container.addView(listViews.get(position));
return listViews.get(position);
}

public boolean isViewFromObject(View arg0, Object arg1) {
return arg0 == arg1;
}

}

}

MainActivity.java

package com.dynamic;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.WindowManager.LayoutParams;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.Toast;

public class MainActivity extends Activity implements OnItemClickListener {

private GridView gridview;
private GridAdapter adapter;
private float dp;
public  static List<Bitmap> bmp = new ArrayList<Bitmap>();
public  static List<String> drr = new ArrayList<String>();
private 	LinearLayout ll_popup ;
private Button button1;// 发布按钮

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.property_repair);
Init();

final EditText editText1 = (EditText) findViewById(R.id.editText1);
button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (editText1.getText().toString().length() == 0) {
Toast.makeText(MainActivity.this, "请简述详情",
Toast.LENGTH_SHORT).show();
} else
{
Toast.makeText(MainActivity.this, "提交成功",Toast.LENGTH_SHORT).show();
finish();
}
}
});
}
List<String> urList = new ArrayList<String>();
public void Init() {
dp = getResources().getDimension(R.dimen.dp);
gridview = (GridView) findViewById(R.id.Scrollgridview);
gridviewInit();
}

public void gridviewInit() {

adapter = new GridAdapter(this,bmp);
adapter.setSelectedPosition(0);
gridview.setAdapter(adapter);
adapter.notifyDataSetChanged();
gridview.setOnItemClickListener(this);

}

protected void onPause() {
super.onPause();
}

private class GridAdapter extends BaseAdapter {
private LayoutInflater listContainer;
private int selectedPosition = -1;
private   List<Bitmap> bmps=new ArrayList<Bitmap>();
private class ViewHolder {
public ImageView image;
}
private GridAdapter(Context context, List<Bitmap> bmp) {
listContainer = LayoutInflater.from(context);
bmps=bmp;
}

public int getCount() {
return bmps.size() + 1;
}

public Object getItem(int arg0) {
return null;
}
public long getItemId(int arg0) {
return 0;
}
public void setSelectedPosition(int position) {
selectedPosition = position;
}
public int getSelectedPosition() {
return selectedPosition;
}
public View getView(int position, View convertView, ViewGroup parent) {
final int sign = position;
ViewHolder holder = null;
if (convertView == null) {
holder = new ViewHolder();
convertView = listContainer.inflate(
R.layout.item_published_grida, null);
holder.image = (ImageView) convertView
.findViewById(R.id.item_grida_image);

convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}

if (position == bmps.size()) {
holder.image.setImageBitmap(BitmapFactory.decodeResource(
getResources(), R.drawable.icon_addpic_unfocused));
if (position == 6) {
holder.image.setVisibility(View.GONE);
}
} else {
holder.image.setImageBitmap(bmps.get(position));
}
return convertView;
}
}
private class PopupWindows extends PopupWindow {

private PopupWindows(Context mContext, View parent) {

View view = View.inflate(mContext, R.layout.item_popupwindows, null);
ll_popup = (LinearLayout) view.findViewById(R.id.ll_popup);
setWidth(LayoutParams.FILL_PARENT);
setHeight(LayoutParams.FILL_PARENT);
setFocusable(true);
setOutsideTouchable(true);
setContentView(view);
showAtLocation(parent, Gravity.BOTTOM, 0, 0);
update();

Button bt1 = (Button) view.findViewById(R.id.item_popupwindows_camera);
Button bt2 = (Button) view.findViewById(R.id.item_popupwindows_Photo);

Button bt3 = (Button) view.findViewById(R.id.item_popupwindows_cancel);

bt1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
photo();
dismiss();
}
});
bt2.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Intent i = new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, RESULT_LOAD_IMAGE);
dismiss();
}
});

bt3.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
dismiss();
}
});
}
}
private static final int TAKE_PICTURE = 0;
private static final int RESULT_LOAD_IMAGE = 1;
private static final int UI=2;
private String path = "";
private Uri mOutPutFileUri;
String picturePath;
private void photo() {

Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
//文件夹aaaa
String path = Environment.getExternalStorageDirectory().toString()+"/elife/img";
File path1 = new File(path);
if(!path1.exists()){
path1.mkdirs();
}
File file = new File(path1,System.currentTimeMillis()+".jpg");
mOutPutFileUri = Uri.fromFile(file);
picturePath=file.getAbsolutePath();
intent.putExtra(MediaStore.EXTRA_OUTPUT, mOutPutFileUri);
startActivityForResult(intent, TAKE_PICTURE);
}
private void photoview()
{
Intent pc=new Intent(Intent.ACTION_PICK,android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(pc, RESULT_LOAD_IMAGE);
}
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
// 拍照
case TAKE_PICTURE:
if (resultCode==RESULT_OK) {
startPhotoZoom(picturePath);
}

break;
// 相册
case RESULT_LOAD_IMAGE:
if (resultCode==RESULT_OK) {

Uri uri=data.getData();
String[] files={MediaStore.Images.Media.DATA};
Cursor c=this.getContentResolver().query(uri, files, null, null, null);
c.moveToFirst();
int ii=c.getColumnIndex(files[0]);
path=c.getString(ii);
c.close();
startPhotoZoom(path);

}

break;

}
}
private Bitmap getLoacalBitmap(String url) {
try {
FileInputStream fis = new FileInputStream(url);
return BitmapFactory.decodeStream(fis); // /把流转化为Bitmap图片

} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
}
}
private  Bitmap createFramedPhoto(int x, int y, Bitmap image, float outerRadiusRat) {
Drawable imageDrawable = new BitmapDrawable(image);
Bitmap output = Bitmap.createBitmap(x, y, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(output);
RectF outerRect = new RectF(0, 0, x, y);
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
paint.setColor(Color.RED);
canvas.drawRoundRect(outerRect, outerRadiusRat, outerRadiusRat, paint);
//		paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
imageDrawable.setBounds(0, 0, x, y);
canvas.saveLayer(outerRect, paint, Canvas.ALL_SAVE_FLAG);
imageDrawable.draw(canvas);
canvas.restore();

return output;
}
private void startPhotoZoom(String uri) {
drr.add(uri);
Bitmap bitmap =getLoacalBitmap(drr.get(drr.size()-1 ));
bmp.add(bitmap);
gridviewInit();

}
protected void onDestroy() {
bmp.clear();
drr.clear();
super.onDestroy();
}

@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
((InputMethodManager) getSystemService(INPUT_METHOD_SERVICE)).

hideSoftInputFromWindow(MainActivity.this.getCurrentFocus().getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);

if (arg2 == bmp.size()) {
String sdcardState = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(sdcardState)) {
if(bmp.size()<5){
new PopupWindows(MainActivity.this, gridview);
}
else{
Toast.makeText(getApplicationContext(), "一次只能传5张", Toast.LENGTH_LONG).show();
}
}

else {
Toast.makeText(getApplicationContext(), "sdcard已拔出，不能选择照片",	Toast.LENGTH_SHORT).show();
}
}

else
{
Intent intent = new Intent(MainActivity.this,PhotoActivity.class);
intent.putExtra("ID", arg2);
startActivity(intent);
}

}
@Override
protected void onResume()
{
adapter.notifyDataSetChanged();
super.onResume();
}

}

好了 以上是整个项目的程序 大家拷贝下来就可以运行了，祝各位程序小白更上一层楼