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利用GridView实现手机菜单功能 android教程
来源:互联网   发布日期:2015-10-03 10:52:40   浏览:1707次  

导读:最近刚学习Andrioid 开发,昨日看到大牛级网友hellgv写的关于《Android入门第八篇之GridView(九宫图)》之后想到做一个模仿手机菜单界面的布局,于是有 了今天下面的入门级作品,这个作品与大牛级网友hellgv写的......

最近刚学习Andrioid 开发,昨日看到大牛级网友hellgv写的关于《Android入门第八篇之GridView(九宫图)》之后想到做一个模仿手机菜单界面的布局,于是有 了今天下面的入门级作品,这个作品与大牛级网友hellgv写的作品最大的区别就是在菜单图片下面添加了不同文字,希望大家能多提建议,看怎么实现布局更 加精美,共同勉励,共同进步,废话少说,先看效果图:

public class AndroidTest2_3_3 extends Activity {

private static final String TAG = "AndroidTest2_3_3";

private Bitmap bit;

private String textArray1[] = {"婺源", "丹霞山", "周庄"};

private String textArray2[] = {"油菜花盛开的地方", "红绿之间,雄壮与温柔", "梦中的水乡"};

/** Called when the activity is first created。 */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R。layout。main);

String imagepath = Environment。getExternalStorageDirectory() + "/abc。jpg";

bit = BitmapFactory。decodeFile(imagepath);

GridView gv=(GridView)this。findViewById(R。id。GridView01);

Log。d(TAG, "+++++++++++1");

ImageAdapter ia = new ImageAdapter(this);

gv。setAdapter(ia);//为GridView设置数据适配器

}

/**

* GridView适配器类,创建单元格view

* @author ameyume

*

*/

public class ImageAdapter extends BaseAdapter {

private Context mContext;

public ImageAdapter(Context context) {

Log。d(TAG, "ImageAdapter 1");

mContext = context;

}

public int getCount() {

return textArray1。length;

}

public Object getItem(int position) {

return position;

}

public long getItemId(int position) {

return position;

}

public View getView(int position, View convertView, ViewGroup parent) {

Log。d(TAG, "000000000000000");

View view = View。inflate(AndroidTest2_3_3。this, R。layout。grid_row, null);

RelativeLayout rl = (RelativeLayout)view。findViewById(R。id。rlGridRow);

ImageView image = (ImageView)rl。findViewById(R。id。imageView01);

image。setImageBitmap(bit);

TextView tv1 = (TextView)rl。findViewById(R。id。txtLink1);

tv1。setText(textArray1[position]);

TextView tv2 = (TextView)rl。findViewById(R。id。txtLink2);

tv2。setText(textArray2[position]);

return rl;

}

package cn.com.blog;

import android.app.Activity;

import android.content.Context;

import android.os.Bundle;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.BaseAdapter;

import android.widget.GridView;

import android.widget.ImageView;

import android.widget.TextView;

public class MenuPanelActivity extends Activity {

private GridView gridView;

private int[] mImageIds =

{

R.drawable.calculator,

R.drawable.camera,

R.drawable.compass,

R.drawable.ebook,

R.drawable.email,

R.drawable.games,

R.drawable.map,

R.drawable.message,

R.drawable.multimedia,

R.drawable.music,

R.drawable.phone,

R.drawable.radio,

R.drawable.video,

};

private int[] TitleTexts={

R.string.calculator,

R.string.camera,

R.string.compass,

R.string.ebook,

R.string.email,

R.string.games,

R.string.map,

R.string.message,

R.string.multimedia,

R.string.music,

R.string.phone,

R.string.radio,

R.string.video,

};

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

gridView =(GridView)this.findViewById(R.id.GridViewId);

gridView.setAdapter(new gridViewAdapter(mImageIds,TitleTexts));

}

public class gridViewAdapter extends BaseAdapter {

private View[] itemViews;

public gridViewAdapter(int[] mImageIds, int[] TitleTexts) {

itemViews = new View[mImageIds.length];

for (int i = 0; i < itemViews.length; i++) {

itemViews = makeItemView(mImageIds,TitleTexts);

}

}

public int getCount() {

return itemViews.length;

}

public View getItem(int position) {

return itemViews[position];

}

public long getItemId(int position) {

return position;

}

private View makeItemView(int strmImageIds, int strTitleTexts) {

LayoutInflater inflater = (LayoutInflater) MenuPanelActivity.this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);

View itemView = inflater.inflate(R.layout.menuitem, null);

TextView title = (TextView) itemView.findViewById(R.id.TextItemId);

title.setText(strTitleTexts);

ImageView image = (ImageView) itemView.findViewById(R.id.ImageItemId);

image.setImageResource(strmImageIds);

image.setScaleType(ImageView.ScaleType.FIT_CENTER);

return itemView;

}

public View getView(int position, View convertView, ViewGroup parent) {

if (convertView == null)

return itemViews[position];

return convertView;

}

}

}

main.xml代码如下:

<GridView

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

android:id="@+id/GridViewId"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:numColumns="auto_fit"

android:verticalSpacing="10dip"

android:horizontalSpacing="10dip"

android:paddingRight="5dip"

android:columnWidth="90dip"

android:stretchMode="columnWidth"

android:gravity="center"

/>

menuitem.xml代码如下:

?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="wrap_content">

<ImageView

android:layout_height="wrap_content"

android:id="@+id/ImageItemId"

android:layout_width="wrap_content"

android:layout_centerHorizontal="true">

</ImageView>

<TextView

android:layout_width="wrap_content"

android:layout_below="@+id/ImageItemId"

android:layout_height="wrap_content"

android:text="TextView"

android:layout_centerHorizontal="true"

android:id="@+id/TextItemId">

</TextView>

</RelativeLayout>

strings.xml代码如下:

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

<resources>

<string name="app_name">MenuPanel</string>

<string name="calculator">calculator</string>

<string name="camera">camera</string>

<string name="compass">compass</string>

<string name="ebook">ebook</string>

<string name="email">email</string>

<string name="games">games</string>

<string name="map">map</string>

<string name="message">message</string>

<string name="multimedia">multimedia</string>

<string name="music">music</string>

<string name="phone">phone</string>

<string name="radio">radio</string>

<string name="video">video</string>

</resources>

}

}

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相关热词: GridView 菜单

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