Day 6 - Holo Color Picker

1
dependencies {
2
    compile 'com.larswerkman:HoloColorPicker:1.4'
3
}

1
<?xml version="1.0" encoding="utf-8"?>
2

3
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
4
              android:orientation="vertical"
5
              android:id="@+id/linear_layout"
6
              android:gravity="center"
7
              android:layout_width="match_parent"
8
              android:layout_height="match_parent">
9

10
    <Button
11
        android:id="@+id/button_pick_color"
12
        android:layout_width="wrap_content"
13
        android:layout_height="wrap_content"
14
        android:padding="24dp"
15
        android:text="@string/pick_color"/>
16

17

18
</LinearLayout>

1
<?xml version="1.0" encoding="utf-8"?>
2

3
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
4
              android:orientation="vertical"
5
              android:gravity="center"
6
              android:layout_width="match_parent"
7
              android:layout_height="match_parent">
8

9
    <com.larswerkman.holocolorpicker.ColorPicker
10
        android:id="@+id/picker"
11
        android:layout_width="wrap_content"
12
        android:layout_height="wrap_content"/>
13

14
    <com.larswerkman.holocolorpicker.SVBar
15
        android:id="@+id/svbar"
16
        android:layout_width="wrap_content"
17
        android:layout_height="wrap_content"/>
18

19
    <com.larswerkman.holocolorpicker.OpacityBar
20
        android:id="@+id/opacitybar"
21
        android:layout_width="wrap_content"
22
        android:layout_height="wrap_content"/>
23

24
</LinearLayout>

1
package com.devahoy.learn30androidlibraries.day6;
2

3
import android.os.Bundle;
4
import android.support.v7.app.ActionBarActivity;
5

6
import com.devahoy.learn30androidlibraries.R;
7

8
public class HoloColorPickerActivity extends ActionBarActivity {
9

10
    @Override
11
    protected void onCreate(Bundle savedInstanceState) {
12
        super.onCreate(savedInstanceState);
13
        setContentView(R.layout.day6_activity_holo_color);
14
    }
15
}

1
button.setOnClickListener(new View.OnClickListener() {
2
    @Override
3
    public void onClick(View v) {
4
        openDialog();
5
    }
6
});

1
private void openDialog() {
2
    AlertDialog.Builder builder =
3
            new AlertDialog.Builder(this);
4
    LayoutInflater inflater = getLayoutInflater();
5

6
    final View view = inflater.inflate(R.layout.day6_dialog, null);
7
    builder.setView(view);
8

9
    // Color picker go here.
10

11
    builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
12
        @Override
13
        public void onClick(DialogInterface dialog, int which) {
14

15
        }
16
    });
17
    builder.setNegativeButton("Cancel", null);
18
    builder.show();
19
}

1
final ColorPicker picker = (ColorPicker) view.findViewById(R.id.picker);
2
SVBar svBar = (SVBar) view.findViewById(R.id.svbar);
3
OpacityBar opacityBar = (OpacityBar) view.findViewById(R.id.opacitybar);
4

5
picker.addOpacityBar(opacityBar);
6
picker.addSVBar(svBar);
7

8
picker.setOnColorChangedListener(new ColorPicker.OnColorChangedListener() {
9
    @Override
10
    public void onColorChanged(int i) {
11
        mLinearLayout.setBackgroundColor(picker.getColor());
12
    }
13
});

1
private LinearLayout mLinearLayout;
2

3
@Override
4
protected void onCreate(Bundle savedInstanceState) {
5
    ...
6
    mLinearLayout = (LinearLayout) findViewById(R.id.linear_layout);
7
    ...
8
}