31/07/2012
Trong 1 bài viết trước mình đã demo 1 chuong trình quay video, và trong bài viết này mình sẽ demo tiếp 1 chương trình chụp ảnh sữ dụng Camera của thiết bị để chụp ảnh.
1/ Tạo Project :
Project name: CaptureImageWithIntent
Build Target: Android 2.3.3
Application name: CaptureImageWithIntent
Package name: com.dac.Image
Create Activity: MainActivity
2/ File layout main.java được thiết kế đơn giản như sau:
PHP Code
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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<Button android:id="@+id/btn"
android:text="Take Picture"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="captureImage" />
</LinearLayout>
3/ File MainActivity.java :
PHP Code:
package com.dac.Image
import java.io.File;
import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.provider.MediaStore.Images.Media;
import android.util.Log;
import android.view.View;
public class MainActivity extends Activity {
private static final String TAG = "CameraWithIntent";
Uri myPicture = null;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
}
public void captureImage(View view)
{
ContentValues values = new ContentValues();
values.put(Media.TITLE, "My demo image");
values.put(Media.DESCRIPTION, "Image Captured by Camera via an Intent");
myPicture = getContentResolver().insert(Media.EXTERNAL_CONTENT_URI, values);
Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
i.putExtra(MediaStore.EXTRA_OUTPUT, myPicture);
startActivityForResult(i, 0);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if(requestCode==0 && resultCode==Activity.RESULT_OK)
{
Intent inn = new Intent(Intent.ACTION_VIEW);
Log.v(TAG, "myPicture is " + myPicture.toString());
inn.setData(myPicture);
startActivity(inn);
}
}
}
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Khi bấm vào button:
Sưu tầm 