我是Android的初學者。我的小應用程序工作正常,但它的UI看起來很醜。你能幫我改好嗎?例如:它的圖像看起來很大,我們可以使它變小一些。用戶界面看起來不太好
這是代碼片段。
MainActivity.java
package com.example.hacback17.listviewwithimagesadvanced;
import android.content.Context;
import android.content.res.Resources;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
ListView list;
String[] memeTitle;
String[] memeDescription;
// getting ids of images from drawable
int[] images = {R.drawable.number_one,R.drawable.number_two, R.drawable.number_three, R.drawable.number_four, R.drawable.number_five,
R.drawable.number_six, R.drawable.number_seven, R.drawable.number_eight, R.drawable.number_nine, R.drawable.number_ten};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Resources resources = getResources();
memeTitle = resources.getStringArray(R.array.titles);
memeDescription = resources.getStringArray(R.array.titles);
// Getting the reference of the ListView
list = (ListView) findViewById(R.id.listView);
MyAdapter adapter = new MyAdapter(this, memeTitle, images, memeDescription);
list.setAdapter(adapter);
}
}
// Custom ArrayAdapter
class MyAdapter extends ArrayAdapter<String>
{
Context context;
int[] images; // getting the reference of images.
String[] titleArray; // getting the reference of titles array
String[] descriptionArray; // getting the reference of description array
public MyAdapter(Context context, String[] titles, int[] img, String[] description) {
super(context, R.layout.single_row, R.id.textView, titles);
this.context = context;
this.images = img;
this.titleArray = titles;
this.descriptionArray = description;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// Let's get the reference of LayoutInflater to get the XML into Java code.
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View row = inflater.inflate(R.layout.single_row, parent, false);
ImageView myImage = (ImageView) row.findViewById(R.id.imageView);
TextView myTitle = (TextView) row.findViewById(R.id.textView);
TextView myDescription = (TextView) row.findViewById(R.id.textView2);
myImage.setImageResource(images[position]);
myTitle.setText(titleArray[position]);
myDescription.setText(descriptionArray[position]);
return row;
}
}
activity_main.xml中
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
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"
tools:context="com.example.hacback17.listviewwithimagesadvanced.MainActivity">
<ListView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/listView"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true" />
</RelativeLayout>
single_row.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:src="@drawable/number_one"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/imageView"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true"
android:layout_margin="10dp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceLarge"
android:text="Large Text"
android:id="@+id/textView"
android:layout_alignTop="@+id/imageView"
android:layout_alignParentEnd="true"
android:layout_toEndOf="@+id/imageView" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textAppearance="?android:attr/textAppearanceSmall"
android:text="Small Text"
android:id="@+id/textView2"
android:layout_alignEnd="@+id/textView"
android:layout_alignStart="@+id/textView"
android:layout_below="@+id/textView" />
</RelativeLayout>
您需要具體說明您需要什麼。 「好」和「更好」並不具體。 – ThomasW
不是一個編程問題... – Rohan
@ThomasW我想使它很好。 –