drawable

问题 ALL, As suggested here I need to make a drawable out of my bitmap. But when I tried to use: Drawable d = new Drawable( my_bmp); it shows that this constructor is deprecated in favour of: Drawable(Bitmap bmp, int resourceId) How else I can make a drawable out of bitmap? Thank you. 回答1: You can use Drawable d = new BitmapDrawable(getResources(), my_bmp); A Drawable that wraps a bitmap and can be tiled, stretched, or aligned. You can create a BitmapDrawable from a file path, an input stream,

问题 I am trying to change the remote view background in runtime, I am using drawable xml to show customize notification. custom_notification.xml android:background="@drawable/layout_bg" android:layout_height="65sp" android:padding="10dp" > <ImageView android:id="@+id/image" android:layout_width="wrap_content" android:layout_height="fill_parent" android:layout_alignParentLeft="true" android:drawableLeft="@id/layout" android:layout_marginRight="10dp" /> <TextView android:id="@+id/title" android

问题 I have looked everywhere but cannot find an example of programmatically setting a background resource from a string value? As an example: Drawable a = getResources().getDrawable( R.drawable.a ); Drawable b = getResources().getDrawable( R.drawable.b ); Drawable c = getResources().getDrawable( R.drawable.c ); abc.setBackgroundResource("b"); Is this possible or would I have to do it as a big switch statement? 回答1: you have getResources().getIdentifier for this purpose. It returns the id of the

问题 I want to check if two imageViews match or not , by getting their background from the Drawable . i did use this way : if (imgView1.getBackground().getConstantState() .equals(ContextCompat.getDrawable(getApplicationContext(),R.drawable.myImage) .getConstantState()) && imgView2.getBackground().getConstantState() .equals(ContextCompat.getDrawable(getApplicationContext(),R.drawable.myImage) .getConstantState())) { // do something } it works great on API 23 and API 24 , but not working with API 21

问题 I have a project that I have to design an array of coins and work with it. My GUI looks like this - http://i.imgur.com/eRzN3Sb.png I want to be able to load the appropriate image from the coinArray for each coin. basically i want to be able to say coinView.setBackgroundResource(coinArray[x].image) i assume i need to somehow use a drawable object and i was hoping its possible to include it in my enum class. the enum class looks like public enum Currency { Penny(1), Nickel(5), Dime(10), Quarter

问题 I have a drawable that I have resized to the appropriate desired height (25dp), and the width is scaled proportionally. However, I want an image that is square, with a width of 25dp as well. However, I do not want to distort the image, so I am looking to to crop equal portions of the right and left of the drawable to give me the center 25dpx25dp. Is this possible? How? I have been trying for the past two hours and I'm about ready to throw in the towel... 回答1: Bitmap target= Bitmap

问题 When I define a style, it can be inherited from a parent style, e.g: <style name="DialogNoTitle" parent="@android:style/Theme.Dialog"> <item name="android:windowNoTitle">true</item> </style> Now I want to do the same with drawable resources, something like this: <shape xmlns:android="http://schemas.android.com/apk/res/android" name="ChildDrawable" parent="@drawable/ParentDrawable"> <solid android:color="@android:color/white"/> <corners android:radius="6dp"/> </shape> Is there a way to

问题 Can i create text-shape in drawable resource? I was googling much but found nothing... Here is my drawable file: <?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item> <shape android:shape="oval"> <stroke android:width="3dp" android:color="#QQffQQ"/> <size android:width="120dp" android:height="120dp"/> </shape> </item> <item android:right="59dp" android:left="59dp"> <shape android:shape="rectangle"> <solid android:color="£22££20"/

问题 I get this crash only on API 22 and 23 devices. (android.content.res.Resources$NotFoundException: File res/drawable/show_empty_state.xml from drawable resource ID #0x7f080156 at android.content.res.Resources.loadDrawableForCookie(Resources.java:2640) at android.content.res.Resources.loadDrawable(Resources.java:2540) at android.content.res.Resources.getDrawable(Resources.java:806) at android.content.Context.getDrawable(Context.java:458) at android.support.v4.content.ContextCompat.getDrawable

问题 What would be the drawable folders for low density,medium screen low density,large screen low density,Xlarge screen medium density,small screen medium density,large screen medium density,Xlarge screen and for tablets? 回答1: low density,medium screen drawable-ldpi low density,large screen drawable-large-ldpi low density,Xlarge screen drawable-xlarge-ldpi medium density,small screen drawable-small-mdpi medium density,large screen drawable-large-mdpi medium density,Xlarge screen drawable-xlarge