Android设置拍照或者上传本地图片

效果如下：

看代码：

MainActivity类中：

package com.example.ceshidemo;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.FileOutputStream;import java.util.Calendar;import android.app.Activity;import android.app.AlertDialog;import android.content.Context;import android.content.DialogInterface;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.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.Toast;public class MainActivity extends Activity {private static final int PHOTO_REQUEST_CAREMA = 1;private static final int PHOTO_REQUEST_GALLERY = 2;private static final int PHOTO_REQUEST_CUT = 3;private static final String PHOTO_FILE_NAME = "temp_photo.jpg";private File tempFile;private CircleImageView headIcon;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);initView();}private void initView() {headIcon = (CircleImageView) findViewById(R.id.headIcon);headIcon.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubchangeHeadIcon();}});changeTheme();File file = new File(MainActivity.this.getFilesDir(), "_head_icon.jpg");if (file.exists()) {headIcon.setImageURI(Uri.fromFile(file));}}private void changeTheme() {Calendar c = Calendar.getInstance();System.out.println(c.get(Calendar.HOUR_OF_DAY));if (c.get(Calendar.HOUR_OF_DAY) < 18 && c.get(Calendar.HOUR_OF_DAY) >= 6) {headIcon.setImageResource(R.drawable.ic_hehe);} else {headIcon.setImageResource(R.drawable.ic_launcher);}}private void changeHeadIcon() {final CharSequence[] items = { "相册", "拍照" };AlertDialog dlg = new AlertDialog.Builder(MainActivity.this).setTitle("选择图片").setItems(items, new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int item) {// 这里item是根据选择的方式，if (item == 0) {Intent intent = new Intent(Intent.ACTION_PICK);intent.setType("image/*");startActivityForResult(intent,PHOTO_REQUEST_GALLERY);} else {Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {tempFile = new File(Environment.getExternalStorageDirectory(),PHOTO_FILE_NAME);Uri uri = Uri.fromFile(tempFile);intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);startActivityForResult(intent,PHOTO_REQUEST_CAREMA);} else {Toast.makeText(MainActivity.this, "未找到存储卡，无法存储照片！",Toast.LENGTH_SHORT).show();}}}}).create();dlg.show();}@Overridepublic void onActivityResult(int requestCode, int resultCode, Intent data) {super.onActivityResult(requestCode, resultCode, data);if (requestCode == PHOTO_REQUEST_GALLERY) {if (data != null) {Uri uri = data.getData();Log.e("图片路径？？", data.getData() + "");crop(uri);}} else if (requestCode == PHOTO_REQUEST_CAREMA) {if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {crop(Uri.fromFile(tempFile));} else {Toast.makeText(MainActivity.this, "未找到存储卡，无法存储照片！",Toast.LENGTH_SHORT).show();}} else if (requestCode == PHOTO_REQUEST_CUT) {if (data != null) {final Bitmap bitmap = data.getParcelableExtra("data");headIcon.setImageBitmap(bitmap);// 保存图片到internal storageFileOutputStream outputStream;try {ByteArrayOutputStream out = new ByteArrayOutputStream();bitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);out.flush();// out.close();// final byte[] buffer = out.toByteArray();// outputStream.write(buffer);outputStream = MainActivity.this.openFileOutput("_head_icon.jpg",Context.MODE_PRIVATE);out.writeTo(outputStream);out.close();outputStream.close();} catch (Exception e) {e.printStackTrace();}}try {if (tempFile != null && tempFile.exists())tempFile.delete();} catch (Exception e) {e.printStackTrace();}}}private void crop(Uri uri) {Intent intent = new Intent("com.android.camera.action.CROP");intent.setDataAndType(uri, "image/*");intent.putExtra("crop", "true");intent.putExtra("aspectX", 1);intent.putExtra("aspectY", 1);intent.putExtra("outputX", 250);intent.putExtra("outputY", 250);intent.putExtra("outputFormat", "JPEG");intent.putExtra("noFaceDetection", true);intent.putExtra("return-data", true);startActivityForResult(intent, PHOTO_REQUEST_CUT);}}

在这里自定了一个圆形的View：CircleImageView

package com.example.ceshidemo;import android.content.Context;import android.content.res.TypedArray;import android.graphics.Bitmap;import android.graphics.BitmapShader;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Matrix;import android.graphics.Paint;import android.graphics.RectF;import android.graphics.Shader;import android.graphics.drawable.BitmapDrawable;import android.graphics.drawable.ColorDrawable;import android.graphics.drawable.Drawable;import android.net.Uri;import android.util.AttributeSet;import android.widget.ImageView;public class CircleImageView extends ImageView{    private static final ScaleType SCALE_TYPE = ScaleType.CENTER_CROP;    private static final Bitmap.Config BITMAP_CONFIG = Bitmap.Config.ARGB_8888;    private static final int COLORDRAWABLE_DIMENSION = 1;    private static final int DEFAULT_BORDER_WIDTH = 0;    private static final int DEFAULT_BORDER_COLOR = Color.BLACK;    private final RectF mDrawableRect = new RectF();    private final RectF mBorderRect = new RectF();    private final Matrix mShaderMatrix = new Matrix();    private final Paint mBitmapPaint = new Paint();    private final Paint mBorderPaint = new Paint();    private int mBorderColor = DEFAULT_BORDER_COLOR;    private int mBorderWidth = DEFAULT_BORDER_WIDTH;    private Bitmap mBitmap;    private BitmapShader mBitmapShader;    private int mBitmapWidth;    private int mBitmapHeight;    private float mDrawableRadius;    private float mBorderRadius;    private boolean mReady;    private boolean mSetupPending;    public CircleImageView(Context context) {        super(context);        init();    }    public CircleImageView(Context context, AttributeSet attrs) {        this(context, attrs, 0);    }    public CircleImageView(Context context, AttributeSet attrs, int defStyle) {        super(context, attrs, defStyle);        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.CircleImageView, defStyle, 0);        mBorderWidth = a.getDimensionPixelSize(R.styleable.CircleImageView_border_width, DEFAULT_BORDER_WIDTH);        mBorderColor = a.getColor(R.styleable.CircleImageView_border_color, DEFAULT_BORDER_COLOR);        a.recycle();        init();    }    private void init() {        super.setScaleType(SCALE_TYPE);        mReady = true;        if (mSetupPending) {            setup();            mSetupPending = false;        }    }    @Override    public ScaleType getScaleType() {        return SCALE_TYPE;    }    @Override    public void setScaleType(ScaleType scaleType) {        if (scaleType != SCALE_TYPE) {            throw new IllegalArgumentException(String.format("ScaleType %s not supported.", scaleType));        }    }    @Override    protected void onDraw(Canvas canvas) {        if (getDrawable() == null) {            return;        }        canvas.drawCircle(getWidth() / 2, getHeight() / 2, mDrawableRadius, mBitmapPaint);        if (mBorderWidth != 0) {            canvas.drawCircle(getWidth() / 2, getHeight() / 2, mBorderRadius, mBorderPaint);        }    }    @Override    protected void onSizeChanged(int w, int h, int oldw, int oldh) {        super.onSizeChanged(w, h, oldw, oldh);        setup();    }    public int getBorderColor() {        return mBorderColor;    }    public void setBorderColor(int borderColor) {        if (borderColor == mBorderColor) {            return;        }        mBorderColor = borderColor;        mBorderPaint.setColor(mBorderColor);        invalidate();    }    public int getBorderWidth() {        return mBorderWidth;    }    public void setBorderWidth(int borderWidth) {        if (borderWidth == mBorderWidth) {            return;        }        mBorderWidth = borderWidth;        setup();    }    @Override    public void setImageBitmap(Bitmap bm) {        super.setImageBitmap(bm);        mBitmap = bm;        setup();    }    @Override    public void setImageDrawable(Drawable drawable) {        super.setImageDrawable(drawable);        mBitmap = getBitmapFromDrawable(drawable);        setup();    }    @Override    public void setImageResource(int resId) {        super.setImageResource(resId);        mBitmap = getBitmapFromDrawable(getDrawable());        setup();    }    @Override    public void setImageURI(Uri uri) {        super.setImageURI(uri);        mBitmap = getBitmapFromDrawable(getDrawable());        setup();    }    private Bitmap getBitmapFromDrawable(Drawable drawable) {        if (drawable == null) {            return null;        }        if (drawable instanceof BitmapDrawable) {            return ((BitmapDrawable) drawable).getBitmap();        }        try {            Bitmap bitmap;            if (drawable instanceof ColorDrawable) {                bitmap = Bitmap.createBitmap(COLORDRAWABLE_DIMENSION, COLORDRAWABLE_DIMENSION, BITMAP_CONFIG);            } else {                bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), BITMAP_CONFIG);            }            Canvas canvas = new Canvas(bitmap);            drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());            drawable.draw(canvas);            return bitmap;        } catch (OutOfMemoryError e) {            return null;        }    }    private void setup() {        if (!mReady) {            mSetupPending = true;            return;        }        if (mBitmap == null) {            return;        }        mBitmapShader = new BitmapShader(mBitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);        mBitmapPaint.setAntiAlias(true);        mBitmapPaint.setShader(mBitmapShader);        mBorderPaint.setStyle(Paint.Style.STROKE);        mBorderPaint.setAntiAlias(true);        mBorderPaint.setColor(mBorderColor);        mBorderPaint.setStrokeWidth(mBorderWidth);        mBitmapHeight = mBitmap.getHeight();        mBitmapWidth = mBitmap.getWidth();        mBorderRect.set(0, 0, getWidth(), getHeight());        mBorderRadius = Math.min((mBorderRect.height() - mBorderWidth) / 2, (mBorderRect.width() - mBorderWidth) / 2);        mDrawableRect.set(mBorderWidth, mBorderWidth, mBorderRect.width() - mBorderWidth, mBorderRect.height() - mBorderWidth);        mDrawableRadius = Math.min(mDrawableRect.height() / 2, mDrawableRect.width() / 2);        updateShaderMatrix();        invalidate();    }    private void updateShaderMatrix() {        float scale;        float dx = 0;        float dy = 0;        mShaderMatrix.set(null);        if (mBitmapWidth * mDrawableRect.height() > mDrawableRect.width() * mBitmapHeight) {            scale = mDrawableRect.height() / (float) mBitmapHeight;            dx = (mDrawableRect.width() - mBitmapWidth * scale) * 0.5f;        } else {            scale = mDrawableRect.width() / (float) mBitmapWidth;            dy = (mDrawableRect.height() - mBitmapHeight * scale) * 0.5f;        }        mShaderMatrix.setScale(scale, scale);        mShaderMatrix.postTranslate((int) (dx + 0.5f) + mBorderWidth, (int) (dy + 0.5f) + mBorderWidth);        mBitmapShader.setLocalMatrix(mShaderMatrix);    }}

main_activity.xml文件：

<?xml version="1.0" encoding="utf-8"?>

自定义圆形的属性文件：

<?xml version="1.0" encoding="utf-8"?>

上面所有代码，点击demo下载测试：http://download.csdn.net/detail/onceing/8884045

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