Android拍照，獲取相冊並剪裁+水印

下面是點擊一個按鈕彈出一個popupwindow，popupwindow中有拍照，從相冊獲取並設置到imagerview上的一個小小demo

 

1.popopwindow的xml佈局

<?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">

    <Button
        android:id="@+id/button"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:text="拍照" />

    <Button
        android:id="@+id/button2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/button"
        android:text="從相冊獲取" />

    <Button
        android:id="@+id/button3"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/button2"
        android:text="取消" />
</RelativeLayout>

2.MainActivity的詳碼

package com.example.app1;

import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.os.StrictMode;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.PopupWindow;

import com.bumptech.glide.Glide;
import com.bumptech.glide.request.RequestOptions;

import java.io.ByteArrayOutputStream;
import java.io.File;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    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/*";

    private Button touch;
    private ImageView imageView;
    private PopupWindow popupWindow;
    private View inflate;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //adndroid7.0s適配
     //   StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder();
    //    StrictMode.setVmPolicy(builder.build());
    //    builder.detectFileUriExposure();

        initView();
        initPop();
    }


    private void initPop() {
        popupWindow = new PopupWindow(MainActivity.this);
        inflate = LayoutInflater.from(MainActivity.this).inflate(R.layout.pop, null);
        popupWindow.setContentView(inflate);
        popupWindow.setOutsideTouchable(true);
        popupWindow.setWidth(500);
        popupWindow.setWidth(ViewGroup.LayoutParams.MATCH_PARENT);
        popupWindow.setHeight(ViewGroup.LayoutParams.WRAP_CONTENT);
        Button button = inflate.findViewById(R.id.button);
        Button button2 = inflate.findViewById(R.id.button2);
        Button button3 = inflate.findViewById(R.id.button3);

        //拍照
        button.setOnClickListener(new View.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);

            }
        });
        //從相冊獲取
        button2.setOnClickListener(new View.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);

            }
        });
        //取消
        button3.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                popupWindow.dismiss();
            }
        });
    }

    private void initView() {
        touch = (Button) findViewById(R.id.touch);
        imageView = (ImageView) findViewById(R.id.imageView);

        touch.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.touch:
               popupWindow.showAtLocation(inflate, Gravity.BOTTOM, 0, 0);

                break;
        }
    }


    @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);
        //設置水印
         Bitmap bitmap = createWatermark(photo, "歐多克" + "http://blog.csdn.net/new_one_object");
                Glide.with(this).load(bitmap).apply(RequestOptions.circleCropTransform()).into(imgMine);


         //Glide.with(this).load(photo).apply(RequestOptions.circleCropTransform()).into(imageView);
            }

        }

        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", 100);
        intent.putExtra("outputY", 100);
        intent.putExtra("return-data", true);
        startActivityForResult(intent, PHOTORESOULT);
    }




    //圖片加水印
    private Bitmap createWatermark(Bitmap bitmap, String mark) {
        int w = bitmap.getWidth();
        int h = bitmap.getHeight();
        Bitmap bmp = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bmp);
        Paint p = new Paint();
        // 水印顏色
        p.setColor(Color.parseColor("#cccccc"));
        // 水印字體大小
        p.setTextSize(20);
        //抗鋸齒
        p.setAntiAlias(true);
        //繪製圖像
        canvas.drawBitmap(bitmap, 0, 0, p);
        //繪製文字
        canvas.drawText(mark, 0, h / 2, p);
        canvas.save(Canvas.ALL_SAVE_FLAG);
        canvas.restore();
        return bmp;
    }



}

3.MainActivity的xml佈局

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
    <Button
        android:id="@+id/touch"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:text="點擊" />

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="51dp" />
</RelativeLayout>

如有不妥。請聯繫歐啦解決哈！！！！！！