custom view

custom view

android-custom-view/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.views"
+    android:versionCode="1"
+    android:versionName="1.0" >
+
+    <uses-sdk
+        android:minSdkVersion="8"
+        android:targetSdkVersion="19" />
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/ic_launcher"
+        android:label="@string/app_name"
+        android:theme="@style/AppTheme" >
+        <activity
+            android:name=".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-custom-view/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"
+    xmlns:customviews="http://schemas.android.com/apk/res/com.hmkcode.views"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:orientation="vertical"
+    tools:context="com.hmkcode.views.MainActivity" 
+    >
+
+    <com.hmkcode.views.SimpleView
+            android:id="@+id/simpleViewCircle"
+            android:layout_width="140dp"
+            android:layout_height="150dp"
+            customviews:shape="circle"
+            customviews:dim="70dp"
+            android:layout_gravity="center_horizontal"
+         />
+    
+     <com.hmkcode.views.SimpleView
+            android:id="@+id/simpleViewSquare"
+            android:layout_width="140dp"
+            android:layout_height="140dp"
+            customviews:shape="square"
+            customviews:dim="140dp"
+            android:layout_gravity="center_horizontal"
+         />
+
+     <TextView 
+         android:id="@+id/tv"
+         android:layout_width="wrap_content"
+         android:layout_height="wrap_content"
+         android:layout_gravity="center_horizontal"
+         />
+</LinearLayout>

android-custom-view/res/values/attrs.xml

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+<resources>
+    <declare-styleable name="SimpleView">
+        <attr name="shape" format="enum">
+            <enum name="circle" value="0"/>
+            <enum name="square" value="1"/>
+        </attr>
+        <attr name="dim" format="dimension"/>
+    </declare-styleable>
+</resources>

android-custom-view/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-custom-view/res/values/strings.xml

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

android-custom-view/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="Theme.AppCompat.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-custom-view/src/com/hmkcode/views/MainActivity.java

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+package com.hmkcode.views;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.TextView;
+
+
+public class MainActivity extends Activity implements OnClickListener {
+
+	SimpleView svCircle;
+	SimpleView svSquare;
+	TextView tv;
+	
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.activity_main);
+		
+		svCircle = (SimpleView) findViewById(R.id.simpleViewCircle);
+		svSquare = (SimpleView) findViewById(R.id.simpleViewSquare);
+		tv = (TextView) findViewById(R.id.tv);
+		
+		svCircle.setOnClickListener(this);
+		svSquare.setOnClickListener(this);
+
+	}
+
+
+	@Override
+	public void onClick(View view) {
+	
+		switch(view.getId()){
+			case R.id.simpleViewCircle:
+				tv.setText("Circle");
+				break;
+			case R.id.simpleViewSquare:
+				tv.setText("Square");
+				break;
+			
+		}
+		
+	}
+	
+	
+
+}

android-custom-view/src/com/hmkcode/views/SimpleView.java

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+package com.hmkcode.views;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.CornerPathEffect;
+import android.graphics.Paint;
+import android.util.AttributeSet;
+import android.view.View;
+
+public class SimpleView extends View {
+
+	float dim;
+	int shape;
+	Paint paint;
+	
+	public static final int CIRCLE = 0;
+	public static final int SQUARE = 1;
+	public SimpleView(Context context, AttributeSet attrs) {
+		super(context, attrs);
+		
+		TypedArray a = context.getTheme().obtainStyledAttributes(
+                attrs,
+                R.styleable.SimpleView,
+                0, 0
+        );
+		
+		try {
+            dim = a.getDimension(R.styleable.SimpleView_dim, 20f);
+            shape = a.getInteger(R.styleable.SimpleView_shape, 0);
+        } finally {
+            a.recycle();
+        }
+		
+		paint = new Paint();
+		paint.setColor(0xfffed325); // yellow 
+	}
+	
+	@Override
+	protected void onDraw(Canvas canvas) {
+		super.onDraw(canvas);
+		
+		// draw circle
+		switch(shape){
+			case CIRCLE:
+				canvas.drawCircle(dim, dim, dim, paint);
+				break;
+			case SQUARE:
+				canvas.drawRect(0, 0, dim, dim, paint);
+				break;
+
+		}
+
+	}
+	
+
+}