相关疑难解决方法(0)

在我的应用程序中,我有一个调用摄像头的button1,在捕获图像后,它必须保存到设备库中.当我点击button2时,它必须打开图库,并要求选择图片.选中后,必须在这些按钮下方的imageView上显示.

这是我的代码:

package com.android.imageuploading;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

public class ImageUploadingActivity extends Activity {
    private static final int REQUEST_CODE = 1;
    private Bitmap bitmap;
    private ImageView imageView;
    private Button button_1;
    public int TAKE_PICTURE = 1;
    private Button button_2;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) …