Android 調用相冊 拍照 實現系統控件縮放 切割圖片

 

 android 下如果做處理圖片的軟件 可以調用系統的控件 實現縮放切割圖片 非常好的效果 今天寫了一個demo分享給大家 嘿嘿。

 

 

package cn.m15.test;

import java.io.ByteArrayOutputStream;
import java.io.File;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;

public class testActivity extends Activity {

    public static final int NONE = 0;
    public static final int PHOTOHRAPH = 1;// 拍照
    public static final int PHOTOZOOM = 2; // 縮放
    public static final int PHOTORESOULT = 3;// 結果

    public static final String IMAGE_UNSPECIFIED = "image/*";
    ImageView imageView = null;
    Button button0 = null;
    Button button1 = null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        imageView = (ImageView) findViewById(R.id.imageID);
        button0 = (Button) findViewById(R.id.btn_01);
        button1 = (Button) findViewById(R.id.btn_02);

        button0.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Intent.ACTION_PICK, null);
                intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_UNSPECIFIED);
                startActivityForResult(intent, PHOTOZOOM);
            }
        });

        button1.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "temp.jpg")));
                startActivityForResult(intent, PHOTOHRAPH);
            }
        });
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (resultCode == NONE)
            return;
        // 拍照
        if (requestCode == PHOTOHRAPH) {
            //設置文件保存路徑這裏放在跟目錄下
            File picture = new File(Environment.getExternalStorageDirectory() + "/temp.jpg");
            startPhotoZoom(Uri.fromFile(picture));
        }

        if (data == null)
            return;

        // 讀取相冊縮放圖片
        if (requestCode == PHOTOZOOM) {
            startPhotoZoom(data.getData());
        }
        // 處理結果
        if (requestCode == PHOTORESOULT) {
            Bundle extras = data.getExtras();
            if (extras != null) {
                Bitmap photo = extras.getParcelable("data");
                ByteArrayOutputStream stream = new ByteArrayOutputStream();
                photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 - 100)壓縮文件
                imageView.setImageBitmap(photo);
            }

        }

        super.onActivityResult(requestCode, resultCode, data);
    }

    public void startPhotoZoom(Uri uri) {
        Intent intent = new Intent("com.android.camera.action.CROP");
        intent.setDataAndType(uri, IMAGE_UNSPECIFIED);
        intent.putExtra("crop", "true");
        // aspectX aspectY 是寬高的比例
        intent.putExtra("aspectX", 1);
        intent.putExtra("aspectY", 1);
        // outputX outputY 是裁剪圖片寬高
        intent.putExtra("outputX", 64);
        intent.putExtra("outputY", 64);
        intent.putExtra("return-data", true);
        startActivityForResult(intent, PHOTORESOULT);
    }
}

package cn.m15.test; import java.io.ByteArrayOutputStream; import java.io.File; import android.app.Activity; import android.content.Intent; import android.graphics.Bitmap; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.provider.MediaStore; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.ImageView; public class testActivity extends Activity { public static final int NONE = 0; public static final int PHOTOHRAPH = 1;// 拍照 public static final int PHOTOZOOM = 2; // 縮放 public static final int PHOTORESOULT = 3;// 結果 public static final String IMAGE_UNSPECIFIED = "image/*"; ImageView imageView = null; Button button0 = null; Button button1 = null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); imageView = (ImageView) findViewById(R.id.imageID); button0 = (Button) findViewById(R.id.btn_01); button1 = (Button) findViewById(R.id.btn_02); button0.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(Intent.ACTION_PICK, null); intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_UNSPECIFIED); startActivityForResult(intent, PHOTOZOOM); } }); button1.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "temp.jpg"))); startActivityForResult(intent, PHOTOHRAPH); } }); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (resultCode == NONE) return; // 拍照 if (requestCode == PHOTOHRAPH) { //設置文件保存路徑這裏放在跟目錄下 File picture = new File(Environment.getExternalStorageDirectory() + "/temp.jpg"); startPhotoZoom(Uri.fromFile(picture)); } if (data == null) return; // 讀取相冊縮放圖片 if (requestCode == PHOTOZOOM) { startPhotoZoom(data.getData()); } // 處理結果 if (requestCode == PHOTORESOULT) { Bundle extras = data.getExtras(); if (extras != null) { Bitmap photo = extras.getParcelable("data"); ByteArrayOutputStream stream = new ByteArrayOutputStream(); photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 - 100)壓縮文件 imageView.setImageBitmap(photo); } } super.onActivityResult(requestCode, resultCode, data); } public void startPhotoZoom(Uri uri) { Intent intent = new Intent("com.android.camera.action.CROP"); intent.setDataAndType(uri, IMAGE_UNSPECIFIED); intent.putExtra("crop", "true"); // aspectX aspectY 是寬高的比例 intent.putExtra("aspectX", 1); intent.putExtra("aspectY", 1); // outputX outputY 是裁剪圖片寬高 intent.putExtra("outputX", 64); intent.putExtra("outputY", 64); intent.putExtra("return-data", true); startActivityForResult(intent, PHOTORESOULT); } }

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    <TextView android:layout_width="fill_parent"
        android:layout_height="wrap_content" android:text="@string/hello" />
    <ImageView android:id="@+id/imageID"
        android:adjustViewBounds="true" android:maxWidth="50dip"
        android:maxHeight="50dip" android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
    <Button android:id="@+id/btn_01" android:layout_height="50dip"
            android:text="相冊" android:layout_width="150dip"/>
    <Button android:id="@+id/btn_02" android:layout_height="50dip"
            android:text="拍照" android:layout_width="150dip"/>
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <ImageView android:id="@+id/imageID" android:adjustViewBounds="true" android:maxWidth="50dip" android:maxHeight="50dip" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <Button android:id="@+id/btn_01" android:layout_height="50dip" android:text="相冊" android:layout_width="150dip"/> <Button android:id="@+id/btn_02" android:layout_height="50dip" android:text="拍照" android:layout_width="150dip"/> </LinearLayout>

 

出自：http://blog.csdn.net/xys289187120/article/details/6575830