Android设置拍照或者上传本地图片
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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：CircleImageViewpackage 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>
上面所有代码，点击demo下载测试 ：http://download.csdn.net/detail/onceing/8884045
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