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在我的課程應用程序中，我列出了包含子課程的課程列表。課程顯示在自定義列表中。一旦用戶點擊課程名稱，特別課程活動將隨課程的詳細信息打開。在該活動的「課程內容」文本視圖中單擊監聽器。用戶單擊該文本查看具有特定課程的子課程的自定義列表將被打開。我試圖在每門課程的所有子課程中使用相同的自定義列表。而不是爲每門課程創建單獨的自定義列表。我試圖通過將課程活動的圖像數組和課程標題數組通過Intent發送到自定義列表活動來實現此目的。但同時單擊課程內容文本查看自定義列表活動停止unfortunately.Here錯誤重複使用所有活動中的自定義列表
BigdataActivity（當然活動）
public class BigdataActivity extends Activity {
ImageView logo;
Button phone,mail,whatsapp;
TextView course;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_bigdata);
logo=(ImageView) findViewById(R.id.imageView1);
LayoutParams params = (LayoutParams) logo.getLayoutParams();
params.width = 350; params.height=150; params.leftMargin=150;
logo.setLayoutParams(params);
course=(TextView) findViewById(R.id.course);
phone=(Button) findViewById(R.id.button1);
mail=(Button) findViewById(R.id.button2);
whatsapp=(Button) findViewById(R.id.button3);
course.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
//MyAlert alert=new MyAlert();
//alert.show(getFragmentManager(), "Fill the Form");
int activity=1;
Resources res=getResources();
String[] courseTitle=res.getStringArray(R.array.BigData);
int image[] =
{
R.drawable.bigdatahad,
R.drawable.hadoopadmin,R.drawable.bigdataanalytics,
R.drawable.testing
};
Intent intent=new
Intent(BigdataActivity.this,BDataDialog.class);
intent.putExtra("img", image);
intent.putExtra("course", courseTitle);
intent.putExtra("activity", activity);
startActivity(intent);
}
});
phone.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String no="+9187";
Intent callintent =new Intent(Intent.ACTION_CALL);
callintent.setData(Uri.parse("tel:"+no));
startActivity(callintent);
}
});
mail.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent mailintent= new Intent(Intent.ACTION_SEND);
mailintent.setData(Uri.parse("mailto:"));
String[] toadd={"[email protected]"};
mailintent.putExtra(Intent.EXTRA_EMAIL,toadd);
mailintent.setType("message/rfc822");
Intent chooser = mailintent.createChooser(mailintent, "Send
Email");
startActivity(chooser);
}
});
whatsapp.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String cont="7290";
openWhatsappContact(cont);
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.bigdata, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// TODO Auto-generated method stub
int id = item.getItemId();
if(id==R.id.action_settings){
startActivityForResult(new
Intent(android.provider.Settings.ACTION_SETTINGS), 0);
}
return super.onOptionsItemSelected(item);
}
void openWhatsappContact(String number) {
Uri uri = Uri.parse("smsto:" + number);
Intent i = new Intent(Intent.ACTION_SENDTO, uri);
i.setPackage("com.whatsapp");
startActivity(Intent.createChooser(i, ""));
}
}
自定義列表活動列出子課程
公共類BDataDialog延伸活動{
ImageView logoview;
ListView list;
String[] courseTitle=getIntent().getStringArrayExtra("course");
int image[]=getIntent().getIntArrayExtra("img");
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_bdata_dialog);
//logoview=(ImageView) findViewById(R.id.imageView1);
list=(ListView) findViewById(R.id.listView1);
// list.setVisibility(View.INVISIBLE);
/* Resources res=getResources();
courseTitle=res.getStringArray(R.array.BData);*/
CourseAdapter listAdapter =new CourseAdapter(this, courseTitle, image);
list.setAdapter(listAdapter);
list.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> adapter, View arg1, int position,
long id) {
// TODO Auto-generated method stub
String value = (String)adapter.getItemAtPosition(position);
int activity =getIntent().getIntExtra("activity", 0);
if (value == courseTitle[0]){
switch(activity){
case 1:
Uri uriUrl = Uri.parse("http://www.jpasolutions.net/coursedetails.php?cat_id=1&crs_id=1&sub_id=1");
Intent launchBrowser = new Intent(Intent.ACTION_VIEW, uriUrl);
startActivity(launchBrowser);
finish();
break;
case 2:
Uri uriUrl1 = Uri.parse("http://www.jpasolutions.net/coursedetails.php?cat_id=1&crs_id=24&sub_id=1");
Intent launchBrowser1 = new Intent(Intent.ACTION_VIEW, uriUrl1);
startActivity(launchBrowser1);
finish();
break;
}
}
else{
Uri uriUrl = Uri.parse("http://www.jpasolutions.net/coursedetails.php?cat_id=1&crs_id=32&sub_id=1");
Intent launchBrowser = new Intent(Intent.ACTION_VIEW, uriUrl);
startActivity(launchBrowser);
finish();
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.bdata_dialog, menu);
return true;
}
}
類CourseAdapter擴展ArrayAdapter {
Context context; int images[];String titleArray[];
CourseAdapter(Context ctx,String[] courseTitle, int imgs[])
{
super(ctx,R.layout.courseslist,R.id.textView1,courseTitle);
this.context=ctx;
this.images=imgs;
this.titleArray=courseTitle;
}
public View getView(int position, View convertView, ViewGroup parent)
{
// TODO Auto-generated method stub
LayoutInflater inflater=(LayoutInflater)
context.getSystemService(context.LAYOUT_INFLATER_SERVICE);
View row=inflater.inflate(R.layout.courseslist, parent, false);
ImageView myimage=(ImageView) row.findViewById(R.id.imageView1);
TextView textview=(TextView) row.findViewById(R.id.textView1);
myimage.setImageResource(images[position]);
textview.setText(titleArray[position]);
return row;
}
}
請幫我解決這個問題。
其工作。謝謝... – mani