在这里，我需要将图像传递到画廊。
在一个类中，我有 10 个按钮，在这里，当单击 1 个按钮时，我需要将 1 个按钮相关图像传递到图库中，当单击 2 个按钮时，我需要将 2 个按钮相关图像传递到图库中。
我尝试使用下面的代码，但是当单击 1 按钮时，它工作正常意味着图像显示在画廊中，但是当我单击 2,3 ...按钮时，我得到了黑屏。
请任何人建议我如何将不同的数组传递到相同的活动中。
HomeDemo.class:
public class HomeDemo extends Activity implements OnTouchListener{
Button home1,home2,home3,home4;
ImageButton back;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.homedemo);
home1=(Button)findViewById(R.id.button1);
home2=(Button)findViewById(R.id.button2);
home3=(Button)findViewById(R.id.button3);
home4=(Button)findViewById(R.id.button4);
home1.setOnTouchListener(this);
home2.setOnTouchListener(this);
home3.setOnTouchListener(this);
home4.setOnTouchListener(this);
}
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
if(v==home1)
{
Intent i=new Intent(HomeDemo.this,Home1.class);
i.putExtra("k1", 1);
startActivity(i);
}
if(v==home2)
{
Intent i=new Intent(HomeDemo.this,Home1.class);
i.putExtra("k2", 2);
startActivity(i);
}
if(v==home3)
{
Intent i=new Intent(HomeDemo.this,Home1.class);
i.putExtra("k3", 3);
startActivity(i);
}
if(v==home4)
{
Intent i=new Intent(HomeDemo.this,Home1.class);
i.putExtra("k4", 4);
startActivity(i);
}
return false;
}
}
Home1 .class
public class Home1 extends Activity implements
AdapterView.OnItemSelectedListener, ViewSwitcher.ViewFactory{
private TextSwitcher mSwitcher;
ImageButton home,sound;
Gallery g;
static int nextbtn = 0;
static int prebtn = 0;
ImageAdapter iadapter;
int galpos;
int countk1=0;
int countk2=0;
int countk3=0;
int countk4=0;
public int ht;
public int wt;
public static int motiongal = 3000;
RelativeLayout l1,l2;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.home1);
home=(ImageButton)findViewById(R.id.homeimage);
home.setOnTouchListener(new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
Intent i=new Intent(Home1.this,HomeDemo.class);
startActivity(i);
return false;
}
});
sound=(ImageButton)findViewById(R.id.soundimage);
sound.setOnTouchListener(new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
return false;
}
});
DisplayMetrics displaymetrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);
ht = displaymetrics.heightPixels;
wt = displaymetrics.widthPixels;
l1=(RelativeLayout)findViewById(R.id.linear);
l2=(RelativeLayout)findViewById(R.id.linear1);
l1.setVisibility(View.INVISIBLE);
l2.setOnTouchListener(new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
// TODO Auto-generated method stub
l1.setVisibility(View.VISIBLE);
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
public void run() {
//Do something after 100ms
l1.setVisibility(View.INVISIBLE);
}
}, 1500);
return false;
}
});
mSwitcher = (TextSwitcher) 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));
mSwitcher.startLayoutAnimation();
try
{
g = (Gallery) findViewById(R.id.gallery);
g.setAdapter(new ImageAdapter(this));
g.setHorizontalScrollBarEnabled(false);
Bundle bundle = getIntent().getExtras();
galpos = bundle.getInt("GALPOS");
countk1 = getIntent().getIntExtra("k1", 0);
countk2 = getIntent().getIntExtra("k2", 0);
countk3 = getIntent().getIntExtra("k3", 0);
countk4 = getIntent().getIntExtra("k4", 0);
g.setSelection(galpos);
g.setAnimationDuration(motiongal);
} catch(Exception e){
}
g.setOnItemSelectedListener(this);
ImageButton nextButton = (ImageButton) findViewById(R.id.nextimage);
nextButton.setOnClickListener(nextButtonOnClick);
ImageButton preButton = (ImageButton) findViewById(R.id.preimage);
preButton.setOnClickListener(preButtonOnClick);
g.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
//Toast.makeText(GalleryActivity.this, "" + mTextNames[position] , Toast.LENGTH_SHORT).show();
if(position==12)
{
Intent i=new Intent(Home1.this, HomeDemo.class);
startActivity(i);
}
l1.setVisibility(View.VISIBLE);
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
public void run() {
//Do something after 100ms
l1.setVisibility(View.INVISIBLE);
}
}, 1500);
}
});
}
public void onItemSelected(AdapterView<?> parent, View v, int position, long id) {
mSwitcher.setText(mTextNames[position]);
nextbtn = position;
}
public OnClickListener nextButtonOnClick = new OnClickListener(){
public void onClick(View v) {
if(nextbtn < (mTextNames.length-1))
{
try
{
mSwitcher.setText(mTextNames[nextbtn+1]);
mSwitcher.startLayoutAnimation();
mSwitcher.getDrawingTime();
g.setSelection(nextbtn+1);
Thread.sleep(300);
g.scheduleLayoutAnimation();
g.startLayoutAnimation();
Thread.sleep(300);
g.setAnimationDuration(motiongal);
}
catch(Exception e)
{}
}else
{
try
{
mSwitcher.setText(mTextNames[0]);
mSwitcher.startLayoutAnimation();
mSwitcher.getDrawingTime();
g.setSelection(0);
Thread.sleep(300);
g.scheduleLayoutAnimation();
g.startLayoutAnimation();
Thread.sleep(300);
g.setAnimationDuration(motiongal);
}
catch(Exception e)
{}
}
}
};
public OnClickListener preButtonOnClick = new OnClickListener(){
public void onClick(View v) {
if(nextbtn > 0)
{
try
{
mSwitcher.startLayoutAnimation();
mSwitcher.getDrawingTime();
g.setSelection(nextbtn-1);
Thread.sleep(300);
g.scheduleLayoutAnimation();
g.startLayoutAnimation();
Thread.sleep(300);
g.setAnimationDuration(motiongal);
}
catch(Exception e)
{}
}else
{
try
{
mSwitcher.setText(mTextNames[mTextNames.length-1]);
mSwitcher.startLayoutAnimation();
mSwitcher.getDrawingTime();
g.setSelection(mTextNames.length-1);
Thread.sleep(300);
g.scheduleLayoutAnimation();
g.startLayoutAnimation();
Thread.sleep(300);
g.setAnimationDuration(motiongal);
}
catch(Exception e)
{}
}
}
};
public void onNothingSelected(AdapterView<?> parent) {
}
public View makeView() {
TextView i = new TextView(this);
i.setTextSize(18);
i.setGravity(1);
return i;
}
public class ImageAdapter extends BaseAdapter {
public ImageAdapter(Context c) {
mContext = c;
}
public int getView() {
// TODO Auto-generated method stub
return 0;
}
public int getCount() {
return mPhotos.size();
}
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);
if(countk1==1)
{
i.setImageResource(mPhotos.get(position));
}
if(countk2==1)
{
i.setImageResource(mPhotos1.get(position));
}
if(countk2==3)
{
i.setImageResource(mPhotos1.get(position));
}
if(countk2==4)
{
i.setImageResource(mPhotos1.get(position));
}
i.setScaleType(ImageView.ScaleType.FIT_XY);
i.setLayoutParams(new Gallery.LayoutParams(
LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT));
return i;
}
private Context mContext;
}
private boolean isScrollingLeft(MotionEvent e1, MotionEvent e2){
return e2.getX() > e1.getX();
}
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY){
int kEvent;
if(isScrollingLeft(e1, e2)){ //Check if scrolling left
kEvent = KeyEvent.KEYCODE_DPAD_LEFT;
}
else{ //Otherwise scrolling right
kEvent = KeyEvent.KEYCODE_DPAD_RIGHT;
}
onKeyDown(kEvent, null);
return true;
}
private Integer[] mImageIds = {
R.drawable.bokstavslottet01,
R.drawable.bokstavslottet02,
R.drawable.bokstavslottet03,
R.drawable.bokstavslottet04,
R.drawable.bokstavslottet05,
R.drawable.bokstavslottet06,
R.drawable.bokstavslottet07,
R.drawable.bokstavslottet08,
R.drawable.bokstavslottet09,
R.drawable.bokstavslottet10,
R.drawable.bokstavslottet11,
R.drawable.bokstavslottet12,
R.drawable.bokstavslottet13
};
private Integer[] mImageIds1 = {
R.drawable.i1,
R.drawable.i2,
R.drawable.i3,
R.drawable.i4,
R.drawable.i5,
R.drawable.i6,
R.drawable.i7,
R.drawable.i8,
R.drawable.i9,
R.drawable.i10,
R.drawable.i11,
R.drawable.i12,
R.drawable.i13
};
private static String[] mTextNames = {
"BOOKSTOVEN1", "BOOKSTOVEN2", "BOOKSTOVEN3", "BOOKSTOVEN4", "BOOKSTOVEN5", "BOOKSTOVEN6", "BOOKSTOVEN7", "BOOKSTOVEN8", "BOOKSTOVEN9", "BOOKSTOVEN10", "BOOKSTOVEN11", "BOOKSTOVEN12", "BOOKSTOVEN13"};
private ArrayList<Integer> mPhotos = new ArrayList<Integer>(Arrays.asList(mImageIds));
private ArrayList<Integer> mPhotos1 = new ArrayList<Integer>(Arrays.asList(mImageIds1));
}