Android_通过Intent调用系统相机和相册回传bitmap

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main.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:orientation="vertical" >    <ImageView         android:id="@+id/takePhoto_imageView"        android:layout_margin="50dp"        android:layout_width="200dp"        android:layout_height="200dp"        android:layout_gravity="center"        android:src="@drawable/ic_launcher"/>    <Button         android:layout_marginTop="90px"        android:id="@+id/takePhoto_bt1"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:textSize="20sp"        android:textStyle="bold"        android:text="拍照"/>    <Button         android:id="@+id/takePhoto_bt2"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_gravity="center"        android:textSize="20sp"        android:textStyle="bold"        android:text="从相册选择照片"/></LinearLayout>

MainActivity.java

package com.lxf;import java.io.FileNotFoundException;import android.app.Activity;import android.content.ContentResolver;import android.content.Intent;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.ImageView;/** * @address BeiJing * @author LiXufei * @function  拍照取图相册取图 */public class cTakePhoto extends Activity{    private ImageView imageView;    private int TAKE_PHOTO=1;   //拍照    private int GET_PHOTO=2;    //取照片    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.android_takephoto);        //获取ImageView控件        imageView = (ImageView) findViewById(R.id.takePhoto_imageView);        /*         * 拍照取图         */        findViewById(R.id.takePhoto_bt1).setOnClickListener(new View.OnClickListener() {            public void onClick(View v) {                //设置拍照意图                Intent mIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);                startActivityForResult(mIntent, TAKE_PHOTO);            }        });        /*         * 相册取图         */        findViewById(R.id.takePhoto_bt2).setOnClickListener(new View.OnClickListener() {            public void onClick(View v) {                Intent intent = new Intent(Intent.ACTION_GET_CONTENT);                intent.setType("image/*");                startActivityForResult(intent, GET_PHOTO);            }        });    }    //接受回传值    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        super.onActivityResult(requestCode, resultCode, data);        if (resultCode == RESULT_OK) {  //回传值接受成功            if (requestCode == TAKE_PHOTO) {    //拍照取图                Bundle bundle = data.getExtras();   //获取data数据集合                Bitmap bitmap = (Bitmap) bundle.get("data");        //获得data数据                Log.i("TAG", "拍照回传bitmap："+bitmap);                imageView.setImageBitmap(bitmap);            }            if (requestCode == GET_PHOTO) {     //相册取图                ContentResolver contentResolver = getContentResolver();                try {                    Bitmap bitmap = BitmapFactory.decodeStream(contentResolver.openInputStream(data.getData()));                    Log.i("TAG", "从相册回传bitmap："+bitmap);                    imageView.setImageBitmap(bitmap);                } catch (FileNotFoundException e) {                    e.printStackTrace();                }            }        }    }}

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