我是编码新手,以前从未使用过它!我们正在使用 Android 和 Java eclipse,这是一个学校项目。现在我正在使用一个乐队应用程序,我应该创建画廊。这是我管理的,但要创建一个功能是用户可以将图像设置为壁纸,我不能。我需要一些帮助!我相信我找到了很好的代码,但我不知道如何在我的工作中实现它。
有谁知道我应该如何将它们相互连接?真的很感谢帮忙
桑德拉
我的画廊代码:
package com.Lavin;
import com.Lavin.R;
import java.io.IOException;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.animation.AnimationUtils;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.Gallery;
import android.widget.Gallery.LayoutParams;
import android.widget.ImageSwitcher;
import android.widget.ImageView;
import android.widget.ViewSwitcher;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.app.WallpaperManager;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
public class Lavin extends Activity implements
AdapterView.OnItemSelectedListener, ViewSwitcher.ViewFactory {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.main);
mSwitcher = (ImageSwitcher) findViewById(R.id.switcher);
mSwitcher.setFactory(this);
mSwitcher.setInAnimation(AnimationUtils.loadAnimation(this,
android.R.anim.fade_in));
mSwitcher.setOutAnimation(AnimationUtils.loadAnimation(this,
android.R.anim.fade_out));
Gallery g = (Gallery) findViewById(R.id.gallery);
g.setAdapter(new ImageAdapter(this));
g.setOnItemSelectedListener(this);
}
public void onItemSelected(AdapterView parent, View v, int position, long id) {
mSwitcher.setImageResource(mImageIds[position]);
}
public void onNothingSelected(AdapterView parent) {
}
public View makeView() {
ImageView i = new ImageView(this);
i.setBackgroundColor(0xFF000000);
i.setScaleType(ImageView.ScaleType.FIT_CENTER);
i.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.MATCH_PARENT,
LayoutParams.MATCH_PARENT));
return i;
}
private ImageSwitcher mSwitcher;
public class ImageAdapter extends BaseAdapter {
public ImageAdapter(Context c) {
mContext = c;
}
public int getCount() {
return mThumbIds.length;
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
ImageView i = new ImageView(mContext);
i.setImageResource(mThumbIds[position]);
i.setAdjustViewBounds(true);
i.setLayoutParams(new Gallery.LayoutParams(
LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
i.setBackgroundResource(R.drawable.picture_frame);
return i;
}
private Context mContext;
}
private Integer[] mThumbIds = {
R.drawable.lavin_thumb_0, R.drawable.lavin_thumb_1,
R.drawable.lavin_thumb_2, R.drawable.lavin_thumb_3,
R.drawable.lavin_thumb_4, R.drawable.lavin_thumb_5,
R.drawable.lavin_thumb_6, R.drawable.lavin_thumb_7,
R.drawable.lavin_thumb_8, R.drawable.lavin_thumb_9,
R.drawable.lavin_thumb_10, R.drawable.lavin_thumb_11,
R.drawable.lavin_thumb_12};
private Integer[] mImageIds = {
R.drawable.lavin_0, R.drawable.lavin_1, R.drawable.lavin_2,
R.drawable.lavin_3, R.drawable.lavin_4, R.drawable.lavin_5,
R.drawable.lavin_6, R.drawable.lavin_7, R.drawable.lavin_8,
R.drawable.lavin_9, R.drawable.lavin_10,
R.drawable.lavin_11, R.drawable.lavin_12};
}
我的壁纸代码:
package com.Lavin;
import android.app.Activity;
import android.os.Bundle;
import java.io.IOException;
import android.app.Activity;
import android.app.WallpaperManager;
import android.graphics.Color;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
public class Wallpaper extends Activity {
final static private int[] mColors =
{Color.BLUE, Color.GREEN, Color.RED, Color.LTGRAY, Color.MAGENTA, Color.CYAN,
Color.YELLOW, Color.WHITE};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final WallpaperManager wallpaperManager = WallpaperManager.getInstance(this);
final Drawable wallpaperDrawable = wallpaperManager.getDrawable();
final ImageView imageView = (ImageView) findViewById(R.id.imageview);
imageView.setDrawingCacheEnabled(true);
imageView.setImageDrawable(wallpaperDrawable);
Button randomize = (Button) findViewById(R.id.randomize);
randomize.setOnClickListener(new OnClickListener() {
public void onClick(View view) {
int mColor = (int) Math.floor(Math.random() * mColors.length);
wallpaperDrawable.setColorFilter(mColors[mColor], PorterDuff.Mode.MULTIPLY);
imageView.setImageDrawable(wallpaperDrawable);
imageView.invalidate();
}
});
Button setWallpaper = (Button) findViewById(R.id.setwallpaper);
setWallpaper.setOnClickListener(new OnClickListener() {
public void onClick(View view) {
try {
wallpaperManager.setBitmap(imageView.getDrawingCache());
finish();
} catch (IOException e) {
e.printStackTrace();
}
}
});
}
}