Android设置拍照或者上传本地图片

效果例如以下：



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;

@Override
public 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() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
changeHeadIcon();
}
});
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 = { "相冊", "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是依据选择的方式。
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();
}

@Override
public 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 storage
FileOutputStream 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"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:circleimageView="http://schemas.android.com/apk/res/com.example.ceshidemo"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >

<TextView
android:id="@+id/bt_photo"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="拍照或者选择图片" >
</TextView>

<com.example.ceshidemo.CircleImageView
android:id="@+id/headIcon"
android:layout_width="65dp"
android:layout_height="65dp"
android:layout_gravity="center"
android:layout_marginBottom="8dp"
circleimageView:border_color="#ffffff"
circleimageView:border_width="1dp" />

</LinearLayout>

自己定义圆形的属性文件：

<?xml version="1.0" encoding="utf-8"?>
<resources>
<declare-styleable name="DonutProgress">
<attr name="donut_progress" format="integer"/>
<attr name="donut_max" format="integer"/>

<attr name="donut_unfinished_color" format="color"/>
<attr name="donut_finished_color" format="color"/>

<attr name="donut_finished_stroke_width" format="dimension"/>
<attr name="donut_unfinished_stroke_width" format="dimension"/>

<attr name="donut_text_size" format="dimension"/>
<attr name="donut_text_color" format="color"/>

<attr name="donut_prefix_text" format="string"/>
<attr name="donut_suffix_text" format="string"/>

<attr name="donut_background_color" format="color"/>
</declare-styleable>
<declare-styleable name="CircleImageView">
<attr name="border_width" format="dimension" />
<attr name="border_color" format="color" />
</declare-styleable>
</resources>

上面全部代码，点击demo下载測试 ：http://download.csdn.net/detail/onceing/8884045