Android Create Stepper Dot
1. Project Structure
2. Gradle
plugins {
id 'com.android.application'
}
android {
compileSdkVersion 30
buildToolsVersion "30.0.3"
defaultConfig {
applicationId "com.stepper.dot"
minSdkVersion 19
targetSdkVersion 30
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation 'com.balysv:material-ripple:1.0.2'
implementation 'androidx.appcompat:appcompat:1.3.0'
implementation 'com.google.android.material:material:1.4.0'
implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
implementation 'com.crystal:crystalrangeseekbar:1.1.3'
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.3'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
}
3. Main Activity
package com.stepper.dot;
import android.graphics.PorterDuff;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
import com.stepper.dot.utils.Tools;
import com.stepper.dot.utils.ViewAnimation;
public class MainActivity extends AppCompatActivity {
private static final int MAX_STEP = 6;
private int current_step = 1;
private TextView status;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_stepper_dots);
initToolbar();
initComponent();
}
private void initToolbar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
toolbar.setNavigationIcon(R.drawable.ic_menu);
setSupportActionBar(toolbar);
getSupportActionBar().setTitle("Dots");
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
Tools.setSystemBarColor(this);
}
private void initComponent() {
status = (TextView) findViewById(R.id.status);
((LinearLayout) findViewById(R.id.lyt_back)).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
backStep(current_step);
bottomProgressDots(current_step);
}
});
((LinearLayout) findViewById(R.id.lyt_next)).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
nextStep(current_step);
bottomProgressDots(current_step);
}
});
String str_progress = String.format(getString(R.string.step_of), current_step, MAX_STEP);
status.setText(str_progress);
bottomProgressDots(current_step);
}
private void nextStep(int progress) {
if (progress < MAX_STEP) {
progress++;
current_step = progress;
ViewAnimation.fadeOutIn(status);
}
String str_progress = String.format(getString(R.string.step_of), current_step, MAX_STEP);
status.setText(str_progress);
}
private void backStep(int progress) {
if (progress > 1) {
progress--;
current_step = progress;
ViewAnimation.fadeOutIn(status);
}
String str_progress = String.format(getString(R.string.step_of), current_step, MAX_STEP);
status.setText(str_progress);
}
private void bottomProgressDots(int current_index) {
current_index--;
LinearLayout dotsLayout = (LinearLayout) findViewById(R.id.layoutDots);
ImageView[] dots = new ImageView[MAX_STEP];
dotsLayout.removeAllViews();
for (int i = 0; i < dots.length; i++) {
dots[i] = new ImageView(this);
int width_height = 15;
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(new ViewGroup.LayoutParams(width_height, width_height));
params.setMargins(10, 10, 10, 10);
dots[i].setLayoutParams(params);
dots[i].setImageResource(R.drawable.shape_circle);
dots[i].setColorFilter(getResources().getColor(R.color.grey_20), PorterDuff.Mode.SRC_IN);
dotsLayout.addView(dots[i]);
}
if (dots.length > 0) {
dots[current_index].setImageResource(R.drawable.shape_circle);
dots[current_index].setColorFilter(getResources().getColor(R.color.colorPrimary), PorterDuff.Mode.SRC_IN);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu_search_setting, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == android.R.id.home) {
finish();
} else {
Toast.makeText(getApplicationContext(), item.getTitle(), Toast.LENGTH_SHORT).show();
}
return super.onOptionsItemSelected(item);
}
}
4. Layout
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/grey_20"
android:orientation="vertical">
<com.google.android.material.appbar.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<include layout="@layout/toolbar" />
</com.google.android.material.appbar.AppBarLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<TextView
android:id="@+id/status"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:paddingBottom="?android:attr/actionBarSize"
android:text="Step 1 of 5"
android:textAppearance="@style/TextAppearance.AppCompat.Display1"
android:textColor="@color/grey_60"
android:textStyle="bold" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="?android:attr/actionBarSize"
android:layout_alignParentBottom="true"
android:background="@color/grey_3"
android:orientation="horizontal">
<LinearLayout
android:id="@+id/lyt_back"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="?attr/selectableItemBackground"
android:clickable="true"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="@dimen/spacing_middle">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:tint="@color/grey_60"
app:srcCompat="@drawable/ic_chevron_left" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/BACK"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Subhead"
android:textColor="@color/grey_60"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:id="@+id/layoutDots"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:orientation="horizontal" />
<LinearLayout
android:id="@+id/lyt_next"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="?attr/selectableItemBackground"
android:clickable="true"
android:gravity="center_vertical"
android:orientation="horizontal"
android:padding="@dimen/spacing_middle">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/NEXT"
android:textAppearance="@style/Base.TextAppearance.AppCompat.Subhead"
android:textColor="@color/grey_60"
android:textStyle="bold" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:tint="@color/grey_60"
app:srcCompat="@drawable/ic_chevron_right" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
</LinearLayout>
5. Value
<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:ns1="urn:oasis:names:tc:xliff:document:1.2">
<style name="TextAppearance.AppCompat.Display1" parent="Base.TextAppearance.AppCompat.Display1"/>
<style name="Base.TextAppearance.AppCompat.Subhead">
<item name="android:textSize">@dimen/abc_text_size_subhead_material</item>
<item name="android:textColor">?android:textColorPrimary</item>
</style>
<color name="grey_3">#f7f7f7</color>
<color name="grey_5">#f2f2f2</color>
<color name="grey_10">#e6e6e6</color>
<color name="grey_20">#cccccc</color>
<color name="grey_40">#999999</color>
<color name="grey_60">#666666</color>
<color name="grey_80">#37474F</color>
<color name="grey_90">#263238</color>
<color name="grey_95">#1a1a1a</color>
<color name="grey_100_">#0d0d0d</color>
</resources>