How to make android app’s background image repeat

Ok, here’s what I’ve got in my app. It includes a hack to prevent ListViews from going black while scrolling. drawable/app_background.xml:

<?xml version="1.0" encoding="utf-8"?>
    <bitmap xmlns:android="http://schemas.android.com/apk/res/android"
        android:src="@drawable/actual_pattern_image"
        android:tileMode="repeat" />

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

<bitmap xmlns:android="http://schemas.android.com/apk/res/android"

android:src="@drawable/actual_pattern_image"

android:tileMode="repeat" />

values/styles.xml:

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

  <style name="app_theme" parent="android:Theme">
    <item name="android:windowBackground">@drawable/app_background</item>
    <item name="android:listViewStyle">@style/TransparentListView</item>
    <item name="android:expandableListViewStyle">@style/TransparentExpandableListView</item>
  </style>

  <style name="TransparentListView" parent="@android:style/Widget.ListView">
    <item name="android:cacheColorHint">@android:color/transparent</item>
  </style>

  <style name="TransparentExpandableListView" parent="@android:style/Widget.ExpandableListView">
    <item name="android:cacheColorHint">@android:color/transparent</item>
  </style>

</resources>

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

<item name="android:windowBackground">@drawable/app_background</item>

<item name="android:listViewStyle">@style/TransparentListView</item>

<item name="android:expandableListViewStyle">@style/TransparentExpandableListView</item>

</style>

<item name="android:cacheColorHint">@android:color/transparent</item>

</style>

<item name="android:cacheColorHint">@android:color/transparent</item>

</style>

</resources>

AndroidManifest.xml:

<application android:theme="@style/app_theme">

1	<application android:theme="@style/app_theme">

shubham sharma December 29, 2016 Read More

Transprent Colors

for (double i = 1; i >= 0; i -= 0.01) {
    i = Math.round(i * 100) / 100.0d;
    int alpha = (int) Math.round(i * 255);
    String hex = Integer.toHexString(alpha).toUpperCase();
    if (hex.length() == 1) hex = "0" + hex;
    int percent = (int) (i * 100);
    System.out.println(String.format("%d%% — %s", percent, hex));
}

for (double i = 1; i >= 0; i -= 0.01) {

i = Math.round(i * 100) / 100.0d;

int alpha = (int) Math.round(i * 255);

String hex = Integer.toHexString(alpha).toUpperCase();

if (hex.length() == 1) hex = "0" + hex;

int percent = (int) (i * 100);

System.out.println(String.format("%d%% — %s", percent, hex));

}

100% — FF 99% — FC 98% — FA 97% — F7 96% — F5 95% — F2 94% — F0 93% — ED 92% — EB 91% — E8 90% — E6 89% — E3 88% — E0 87% — DE 86% — DB 85% — D9 84% — D6 83% — D4 […]

shubham sharma December 21, 2016 Read More

Create Custom TextView with custom fonts

public class MyTextView extends TextView {

    public MyTextView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init();
    }

    public MyTextView(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public MyTextView(Context context) {
        super(context);
        init();
    }

    private void init() {
        if (!isInEditMode()) {
            Typeface tf = Typeface.createFromAsset(getContext().getAssets(), "fonts/Lato-Regular.ttf");
            setTypeface(tf);
        }
    }

}

public class MyTextView extends TextView {

public MyTextView(Context context, AttributeSet attrs, int defStyle) {

super(context, attrs, defStyle);

init();

}

public MyTextView(Context context, AttributeSet attrs) {

super(context, attrs);

init();

}

public MyTextView(Context context) {

super(context);

init();

}

private void init() {

if (!isInEditMode()) {

Typeface tf = Typeface.createFromAsset(getContext().getAssets(), "fonts/Lato-Regular.ttf");

setTypeface(tf);

}

in xml file

 <customfonts.MyTextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="16dp"
                    android:gravity="center"
                    android:text="Stories to read"
                    android:textColor="#757575"
                    android:textSize="16dp" />

<customfonts.MyTextView

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_marginTop="16dp"

android:gravity="center"

android:text="Stories to read"

android:textColor="#757575"

android:textSize="16dp" />

where “customfonts.MyTextView” is package and class name

shubham sharma December 16, 2016 Read More

New Dev Point

Some problems explained

Android XML

How to make android app’s background image repeat

Transprent Colors

Create Custom TextView with custom fonts