Nobody knows?
On Apr 2, 1:07 pm, "[email protected]" <[email protected]>
wrote:
> Hi all,
> I'm learning how to show pictures now, and following the example
> "ApiDemos" given by sdk.I want to add the zoom function to the
> ImageSwitcher, but I didn't find useful code in sdk. Can anyone give
> me some code to help me about zooming the picture in ImageSwitcher?
> Here is the code of "ApiDemos" which I followed:
> /*
> * Copyright (C) 2007 The Android Open Source Project
> *
> * Licensed under the Apache License, Version 2.0 (the "License");
> * you may not use this file except in compliance with the License.
> * You may obtain a copy of the License at
> *
> * http://www.apache.org/licenses/LICENSE-2.0
> *
> * Unless required by applicable law or agreed to in writing, software
> * distributed under the License is distributed on an "AS IS" BASIS,
> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
> implied.
> * See the License for the specific language governing permissions and
> * limitations under the License.
> */
>
> package com.example.android.apis.view;
>
> import com.example.android.apis.R;
>
> import android.app.Activity;
> import android.content.Context;
> import android.os.Bundle;
> 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;
>
> public class ImageSwitcher1 extends Activity implements
> AdapterView.OnItemSelectedListener, ViewSwitcher.ViewFactory {
>
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> requestWindowFeature(Window.FEATURE_NO_TITLE);
>
> setContentView(R.layout.image_switcher_1);
>
> 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.FILL_PARENT,
> LayoutParams.FILL_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.sample_thumb_0, R.drawable.sample_thumb_1,
> R.drawable.sample_thumb_2, R.drawable.sample_thumb_3,
> R.drawable.sample_thumb_4, R.drawable.sample_thumb_5,
> R.drawable.sample_thumb_6, R.drawable.sample_thumb_7};
>
> private Integer[] mImageIds = {
> R.drawable.sample_0, R.drawable.sample_1,
> R.drawable.sample_2,
> R.drawable.sample_3, R.drawable.sample_4,
> R.drawable.sample_5,
> R.drawable.sample_6, R.drawable.sample_7};
>
>
>
> }- Hide quoted text -
>
> - Show quoted text -
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