1-Android
manifest file
<?xml version="1.0"
encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.camera.demo"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="8"
/>
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:label="@string/app_name"
android:name=".CameraDemoActivity" >
<intent-filter >
<action android:name="android.intent.action.MAIN"
/>
<category android:name="android.intent.category.LAUNCHER"
/>
</intent-filter>
</activity>
</application>
</manifest>
2- CameraDemoActivity.java
package com.camera.demo;
import
android.app.Activity;
import
android.content.ActivityNotFoundException;
import
android.content.Intent;
import
android.graphics.Bitmap;
import android.os.Bundle;
import
android.provider.MediaStore;
import android.view.View;
import
android.view.View.OnClickListener;
import
android.widget.Button;
import
android.widget.ImageView;
public class CameraDemoActivity extends Activity {
protected static final int CAMERA_REQUEST = 1;
ImageView
imgView;
Button
btnCamera;
/** Called when the
activity is first created. */
@Override
public void onCreate(Bundle
savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
imgView = (ImageView)
findViewById(R.id.imageView1);
btnCamera = (Button)
findViewById(R.id.btn_camera);
btnCamera.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated
method stub
// ******** code
for take image
Intent
intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
intent.putExtra(MediaStore.EXTRA_OUTPUT,
MediaStore.Images.Media.EXTERNAL_CONTENT_URI.toString());
try {
intent.putExtra("return-data", true);
startActivityForResult(intent,
CAMERA_REQUEST);
}
catch
(ActivityNotFoundException e) {
// Do nothing for
now
}
}
});
}
protected void onActivityResult(int requestCode, int resultCode, Intent
data) {
if (requestCode == CAMERA_REQUEST) {
Bundle
extras = data.getExtras();
if (extras != null) {
Bitmap
photo = extras.getParcelable("data");
// display image in
ImageView.
imgView.setImageBitmap(photo);
//
saveBitmapToFile("/sdcard/crop/cropped_img.jpg", photo);
}
}
}
}
3-main.xml
<?xml version="1.0"
encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<Button
android:id="@+id/btn_camera"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="Take image" />
<ImageView
android:id="@+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center" />
</LinearLayout>
can u please post the explanation
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