android拍照并给照片添加备注，以GridView显示

附完整代码，此代码只实现功能，美观及其它不考虑(*^__^*) 

java代码：

import java.util.ArrayList;

import java.util.List;

import android.os.Bundle;

import android.provider.MediaStore;

import android.app.Activity;

import android.app.AlertDialog;

import android.app.AlertDialog.Builder;

import android.content.Intent;

import android.graphics.Bitmap;

import android.text.TextUtils;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.Button;

import android.widget.EditText;

import android.widget.GridView;

import android.widget.ImageView;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity {

private ImageView iv_img;

private TextView tv_remark;

private AlertDialog dialog;

private EditText et_remark;

private List<Bitmap> lb = new ArrayList<Bitmap>();

private List<String> ls = new ArrayList<String>();

private GridView gv;

private MyAdapter adapter;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

initView();

initData();

}

private void initView() {

gv = (GridView) findViewById(R.id.gv_show);

}

private void initData() {

adapter = new MyAdapter();

gv.setAdapter(adapter);

}

private class MyAdapter extends BaseAdapter {

@Override

public int getCount() {

return lb.size();

}

@Override

public Object getItem(int position) {

return null;

}

@Override

public long getItemId(int position) {

return 0;

}

@Override

public View getView(int position, View convertView, ViewGroup parent) {

View view = View.inflate(getApplicationContext(), R.layout.gv_item,

null);

iv_img = (ImageView) view.findViewById(R.id.iv_img);

tv_remark = (TextView) view.findViewById(R.id.tv_remark);

Bitmap bm = lb.get(position);

String remark = ls.get(position);

iv_img.setImageBitmap(bm);

tv_remark.setText(remark);

return view;

}

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

@Override

public boolean onOptionsItemSelected(MenuItem item) {

switch (item.getItemId()) {

case R.id.action_paizhao:

onRemark();

break;

default:

break;

}

return super.onOptionsItemSelected(item);

}

@Override

protected void onActivityResult(int requestCode, int resultCode, Intent data) {

if (requestCode == 1 && resultCode == Activity.RESULT_OK) {

// 拍照Activity保存图像数据的key是data，返回的数据类型是Bitmap对象

Bitmap cameraBitmap = data.getExtras().getParcelable("data");

// 将拍到的照片存放于集合中

lb.add(cameraBitmap);

initData();

}

super.onActivityResult(requestCode, resultCode, data);

}

/**

* 给照片添加备注信息

*/

public void onRemark() {

AlertDialog.Builder builder = new Builder(MainActivity.this);

dialog = builder.create();

View view = View

.inflate(getApplicationContext(), R.layout.dialog_remark, null);

et_remark = (EditText) view.findViewById(R.id.et_remark);

Button bt_ok = (Button) view.findViewById(R.id.bt_ok);

Button bt_no = (Button) view.findViewById(R.id.bt_no);

bt_ok.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

String remark = et_remark.getText().toString().trim();

if (TextUtils.isEmpty(remark)) {

Toast.makeText(getApplicationContext(), "添点备注吧~~~⊙﹏⊙‖∣",

2000).show();

} else {

// 将备注信息添加到集合中

ls.add(remark);

// 调用系统照相机

Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

startActivityForResult(intent, 1);

dialog.dismiss();

}

}

});

bt_no.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

dialog.dismiss();

}

});

dialog.setView(view, 0, 0, 0, 0);

dialog.show();

}

}

activity_main.xml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="vertical" >

    <GridView

        android:id="@+id/gv_show"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:numColumns="2" />

</LinearLayout>

dialog_remark.xml布局：

<?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:gravity="center"

    android:orientation="vertical" >

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="@string/beizhu"

        android:textColor="@android:color/black"

        android:textSize="18dip" />

    <EditText

        android:id="@+id/et_remark"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:layout_marginTop="20dip"

        android:textColor="@android:color/black" />

    <LinearLayout

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:orientation="horizontal" >

        <RelativeLayout

            android:layout_width="fill_parent"

            android:layout_height="wrap_content" >

            <Button

                android:id="@+id/bt_ok"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_alignParentLeft="true"

                android:layout_marginLeft="20dip"

                android:text="@string/ok" />

            <Button

                android:id="@+id/bt_no"

                android:layout_width="wrap_content"

                android:layout_height="wrap_content"

                android:layout_alignParentRight="true"

                android:layout_marginRight="20dip"

                android:text="@string/no" />

        </RelativeLayout>

    </LinearLayout>

</LinearLayout>

gv_item.xml布局：

<?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:gravity="center"

    android:orientation="vertical" >

    <ImageView

        android:id="@+id/iv_img"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content" />

    <TextView

        android:id="@+id/tv_remark"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"/>

</LinearLayout>

menu文件下的main.xml布局：

<menu xmlns:android="http://schemas.android.com/apk/res/android" >

    <item

        android:id="@+id/action_paizhao"

        android:orderInCategory="100"

        android:showAsAction="ifRoom|withText" 

        android:icon="@android:drawable/ic_menu_add"/>

</menu>

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