android-camera-app

android-camera-app

android-camera-app/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.hmkcode.android"
+    android:versionCode="1"
+    android:versionName="1.0" >
+
+    <uses-sdk
+        android:minSdkVersion="8"
+        android:targetSdkVersion="17" />
+
+    <uses-feature android:name="android.hardware.camera" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
+    
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme" >
+        <activity
+            android:name="com.hmkcode.android.MainActivity"
+            android:label="@string/app_name" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

android-camera-app/res/layout/activity_main.xml

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+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_margin="10dp"
+    tools:context=".MainActivity"
+    android:orientation="vertical" >
+
+    <TextView
+        android:id="@+id/tvHasCamera"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"      
+		android:background="#FF0000"
+		android:textColor="#FFF"
+		android:textSize="18dp" 
+		android:layout_marginBottom="5dp"
+        android:text="Has Camera? " />
+
+    <TextView
+        android:id="@+id/tvHasCameraApp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal" 
+        android:background="#FF0000"
+		android:textColor="#FFF"    
+		android:textSize="18dp" 
+        android:text="Has Camera App?" />
+
+    <ImageView
+        android:id="@+id/ivThumbnailPhoto"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"      
+        android:src="@drawable/ic_launcher" />
+    
+    <Button
+        android:id="@+id/btnTakePic"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"      
+        android:text="Take a Picture" />
+
+</LinearLayout>

android-camera-app/res/menu/main.xml

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+<menu xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <item
+        android:id="@+id/action_settings"
+        android:orderInCategory="100"
+        android:showAsAction="never"
+        android:title="@string/action_settings"/>
+
+</menu>

android-camera-app/res/values/dimens.xml

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+<resources>
+
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+
+</resources>

android-camera-app/res/values/strings.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <string name="app_name">Camera App</string>
+    <string name="action_settings">Settings</string>
+    <string name="hello_world">Hello world!</string>
+
+</resources>

android-camera-app/res/values/styles.xml

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+<resources>
+
+    <!--
+        Base application theme, dependent on API level. This theme is replaced
+        by AppBaseTheme from res/values-vXX/styles.xml on newer devices.
+    -->
+    <style name="AppBaseTheme" parent="android:Theme.Light">
+        <!--
+            Theme customizations available in newer API levels can go in
+            res/values-vXX/styles.xml, while customizations related to
+            backward-compatibility can go here.
+        -->
+    </style>
+
+    <!-- Application theme. -->
+    <style name="AppTheme" parent="AppBaseTheme">
+        <!-- All customizations that are NOT specific to a particular API-level can go here. -->
+    </style>
+
+</resources>

android-camera-app/src/com/hmkcode/android/MainActivity.java

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+package com.hmkcode.android;
+
+import java.io.File;
+import java.util.List;
+
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Environment;
+import android.provider.MediaStore;
+import android.app.Activity;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.graphics.Bitmap;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+public class MainActivity extends Activity implements OnClickListener {
+
+	Button btnTackPic;
+	TextView tvHasCamera, tvHasCameraApp;
+	ImageView ivThumbnailPhoto;
+	Bitmap bitMap;
+	static int TAKE_PICTURE = 1;
+	
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_main);
+	
+		// Get reference to views
+		tvHasCamera = (TextView) findViewById(R.id.tvHasCamera);
+		tvHasCameraApp = (TextView) findViewById(R.id.tvHasCameraApp);
+		btnTackPic = (Button) findViewById(R.id.btnTakePic);
+		ivThumbnailPhoto = (ImageView) findViewById(R.id.ivThumbnailPhoto);
+
+		// Does your device have a camera?
+		if(hasCamera()){
+			tvHasCamera.setBackgroundColor(0xFF00CC00);
+			tvHasCamera.setText("You have Camera");
+		}
+		
+		// Do you have Camera Apps?
+		if(hasDefualtCameraApp(MediaStore.ACTION_IMAGE_CAPTURE)){
+			tvHasCameraApp.setBackgroundColor(0xFF00CC00);
+			tvHasCameraApp.setText("You have Camera Apps");
+		}
+		
+		// add onclick listener to the button
+		btnTackPic.setOnClickListener(this);
+		
+	}
+	
+	// on button "btnTackPic" is clicked
+	@Override
+	public void onClick(View view) {
+		
+		// create intent with ACTION_IMAGE_CAPTURE action 
+		Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+		
+		// to save picture remove comment
+		/*File file = new File(Environment.getExternalStorageDirectory(),
+		"my-photo.jpg");
+		Uri photoPath = Uri.fromFile(file);
+		intent.putExtra(MediaStore.EXTRA_OUTPUT, photoPath); */
+		
+		// start camera activity
+	    startActivityForResult(intent, TAKE_PICTURE);
+
+	}
+	
+	// The Android Camera application encodes the photo in the return Intent delivered to onActivityResult() 
+	// as a small Bitmap in the extras, under the key "data"
+	@Override
+	protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
+		
+		if (requestCode == TAKE_PICTURE && resultCode== RESULT_OK && intent != null){
+			// get bundle
+			Bundle extras = intent.getExtras();
+			
+			// get 
+			bitMap = (Bitmap) extras.get("data");
+			ivThumbnailPhoto.setImageBitmap(bitMap);
+			
+		}
+	}
+
+	// method to check you have a Camera
+	private boolean hasCamera(){
+		return getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA);
+	}
+	
+	// method to check you have Camera Apps
+	private boolean hasDefualtCameraApp(String action){
+		final PackageManager packageManager = getPackageManager();
+	    final Intent intent = new Intent(action);
+	    List<ResolveInfo> list = packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
+	    
+	    return list.size() > 0;
+
+	}
+}