介绍本地照片的读取显示 拍照
package com.gaoqy.imagetext.activity;
import java.io.File;
import java.io.FileNotFoundException;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.MimeTypeMap;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
import com.gaoqy.imagetext.R;
import com.gaoqy.imagetext.utils.SDCardHelper;
public class CameraActivity extends Activity {
private Button mStartBtn;
private ImageView mViewIv;
private static final int CAMERA = 1001;
private String path = SDCardHelper.getSDCardDir() File.separator "my" File.separator
"firstimg.jpg";
private File file = new File(path);
private Uri imageUri = Uri.fromFile(file);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_camera_layout);
mStartBtn = (Button) findViewById(R.id.start);
mViewIv = (ImageView) findViewById(R.id.image);
mStartBtn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
getCamera();
}
});
}
private void getCamera() {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.putExtra("return-data", false);
intent.putExtra("crop", "true");
intent.putExtra("aspectX", 1);
intent.putExtra("aspectY", 1);
intent.putExtra("outputX", 1000);
intent.putExtra("outputY", 1000);
intent.putExtra("scale", true);
intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
intent.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString());
intent.putExtra("noFaceDetection", true);
startActivityForResult(intent, CAMERA);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == CAMERA) {
if (imageUri != null) {
try {
Bitmap bitmap = BitmapFactory
.decodeStream(getContentResolver().openInputStream(
imageUri));
mViewIv.setImageBitmap(bitmap);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}
}
super.onActivityResult(requestCode, resultCode, data);
}
private void setScaleImage(Bitmap photo, int scale) {
if (photo != null) {
Matrix matrix = new Matrix();
matrix.postScale(2, 2);
Bitmap bitmap = Bitmap.createBitmap(photo, 0, 0, photo.getWidth(),
photo.getHeight(), matrix, true);
mViewIv.setImageBitmap(bitmap);
photo.recycle();
// Toast.makeText(CameraActivity.this,
// "OK!!!",Toast.LENGTH_LONG).show();
} else {
Toast.makeText(CameraActivity.this, "!---no", Toast.LENGTH_LONG)
.show();
}
}
}
资源文件列表
ImageText/.classpath , 475
ImageText/.project , 845
ImageText/.settings/org.eclipse.jdt.core.prefs , 177
ImageText/AndroidManifest.xml , 1394
ImageText/bin/AndroidManifest.xml , 1394
ImageText/bin/classes.dex , 708756
ImageText/bin/classes/com/gaoqy/imagetext/activity/CameraActivity$1.class , 863
ImageText/bin/classes/com/gaoqy/imagetext/activity/CameraActivity.class , 4487
ImageText/bin/classes/com/gaoqy/imagetext/activity/CompareActivity.class , 5027
ImageText/bin/classes/com/gaoqy/imagetext/activity/CropActivity.class , 4391
ImageText/bin/classes/com/gaoqy/imagetext/activity/PhotoActivity$1.class , 860
ImageText/bin/classes/com/gaoqy/imagetext/activity/PhotoActivity.class , 5008
ImageText/bin/classes/com/gaoqy/imagetext/BuildConfig.class , 347
ImageText/bin/classes/com/gaoqy/imagetext/MainActivity.class , 1897
ImageText/bin/classes/com/gaoqy/imagetext/R$attr.class , 343
ImageText/bin/classes/com/gaoqy/imagetext/R$dimen.class , 464
ImageText/bin/classes/com/gaoqy/imagetext/R$drawable.class , 410
ImageText/bin/classes/com/gaoqy/imagetext/R$id.class , 873
ImageText/bin/classes/com/gaoqy/imagetext/R$layout.class , 593
ImageText/bin/classes/com/gaoqy/imagetext/R$menu.class , 391
ImageText/bin/classes/com/gaoqy/imagetext/R$string.class , 475
ImageText/bin/classes/com/gaoqy/imagetext/R$style.class , 434
ImageText/bin/classes/com/gaoqy/imagetext/R.class , 683
ImageText/bin/classes/com/gaoqy/imagetext/utils/SDCardHelper.class , 4135
ImageText/bin/dexedLibs/android-support-v4-17f4ceb7b17d578d20153395afa7406f.jar , 234431
ImageText/bin/ImageText.apk , 288284
ImageText/bin/jarlist.cache , 120
ImageText/bin/resources.ap_ , 44267
ImageText/bin/res/crunch/drawable-hdpi/ic_launcher.png , 5964
ImageText/bin/res/crunch/drawable-mdpi/ic_launcher.png , 3112
ImageText/bin/res/crunch/drawable-xhdpi/ic_launcher.png , 9355
ImageText/bin/res/crunch/drawable-xxhdpi/ic_launcher.png , 17889
ImageText/gen/com/gaoqy/imagetext/BuildConfig.java , 161
ImageText/gen/com/gaoqy/imagetext/R.java , 3682
ImageText/ic_launcher-web.png , 51394
ImageText/libs/android-support-v4.jar , 627582
ImageText/proguard-project.txt , 781
ImageText/project.properties , 563
ImageText/res/drawable-hdpi/ic_launcher.png , 7658
ImageText/res/drawable-mdpi/ic_launcher.png , 3777
ImageText/res/drawable-xhdpi/ic_launcher.png , 12516
ImageText/res/drawable-xxhdpi/ic_launcher.png , 24777
ImageText/res/layout/activity_camera_corp_layout.xml , 655
ImageText/res/layout/activity_camera_layout.xml , 646
ImageText/res/layout/activity_image_layout.xml , 1657
ImageText/res/layout/activity_main.xml , 958
ImageText/res/layout/activity_photo_layout.xml , 664
ImageText/res/menu/main.xml , 369
ImageText/res/values-v11/styles.xml , 334
ImageText/res/values-v14/styles.xml , 391
ImageText/res/values-w820dp/dimens.xml , 381
ImageText/res/values/dimens.xml , 220
ImageText/res/values/strings.xml , 226
ImageText/res/values/styles.xml , 697
ImageText/src/com/gaoqy/imagetext/activity/CameraActivity.java , 2990
ImageText/src/com/gaoqy/imagetext/activity/CompareActivity.java , 3824
ImageText/src/com/gaoqy/imagetext/activity/CropActivity.java , 3222
ImageText/src/com/gaoqy/imagetext/activity/PhotoActivity.java , 3920
ImageText/src/com/gaoqy/imagetext/MainActivity.java , 1699
ImageText/src/com/gaoqy/imagetext/utils/SDCardHelper.java , 4051