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90 changes: 90 additions & 0 deletions
90
lab2/app/src/main/java/com/example/mainactivity/custom/CustomAdapter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package com.example.mainactivity.custom; | ||
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| import android.content.Context; | ||
| import android.view.LayoutInflater; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.widget.BaseAdapter; | ||
| import android.widget.CheckBox; | ||
| import android.widget.ImageView; | ||
| import android.widget.TextView; | ||
| import android.widget.Toast; | ||
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| import com.example.mainactivity.R; | ||
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| class Item{ | ||
| TextView text1; | ||
| TextView text2; | ||
| ImageView image1; | ||
| CheckBox checkbox1; | ||
| } | ||
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| public class CustomAdapter extends BaseAdapter { | ||
| String[] titles; | ||
| String[] subtitles; | ||
| boolean[] checked; | ||
| LayoutInflater inf=null; | ||
| Context context; | ||
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| public CustomAdapter(String[] titles, String[] subtitles,Context ctx){ | ||
| super(); | ||
| this.titles=titles; | ||
| this.subtitles=subtitles; | ||
| this.checked=new boolean[titles.length]; | ||
| inf=(LayoutInflater) ctx.getSystemService(Context.LAYOUT_INFLATER_SERVICE); | ||
| context=ctx; | ||
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| } | ||
| @Override | ||
| public int getCount() { | ||
| return titles.length; | ||
| } | ||
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| @Override | ||
| public Object getItem(int position) { | ||
| return position; | ||
| } | ||
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| @Override | ||
| public long getItemId(int position) { | ||
| return position; | ||
| } | ||
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| @Override | ||
| public View getView(int position, View view, ViewGroup parent) { | ||
| Item item1 =new Item(); | ||
| if(view==null){ | ||
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| view=inf.inflate(R.layout.list_row,null); | ||
| item1.checkbox1=(CheckBox) view.findViewById((R.id.myCheckBox)); | ||
| item1.text1=(TextView)view.findViewById(R.id.row_tv1); | ||
| item1.text2=(TextView)view.findViewById(R.id.row_tv2); | ||
| item1.image1=(ImageView)view.findViewById(R.id.row_image); | ||
| view.setTag(item1); | ||
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| }else{ | ||
| item1=(Item)view.getTag(); | ||
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| } | ||
| item1.text1.setText((titles[position])); | ||
| item1.text2.setText((subtitles[position])); | ||
| item1.checkbox1.setChecked(checked[position]); | ||
| item1.checkbox1.setOnClickListener(new View.OnClickListener() { | ||
| @Override | ||
| public void onClick(View v) { | ||
| if(((CheckBox)v ).isChecked()){ | ||
| checked[position]=true; | ||
| }else{ | ||
| checked[position]=false; | ||
| } | ||
| Toast.makeText(context.getApplicationContext(), "Checkbox clicked", Toast.LENGTH_SHORT).show(); | ||
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| } | ||
| }); | ||
| return view; | ||
| } | ||
| } |
57 changes: 57 additions & 0 deletions
57
lab2/app/src/main/java/com/example/mainactivity/custom/GridImageAdapter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package com.example.mainactivity.custom; | ||
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| import android.content.Context; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.widget.BaseAdapter; | ||
| import android.widget.GridView; | ||
| import android.widget.ImageView; | ||
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| import com.example.mainactivity.R; | ||
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| public class GridImageAdapter extends BaseAdapter { | ||
| private Context context; | ||
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| public Integer[] images={ | ||
| R.drawable.img1,R.drawable.img2,R.drawable.img3, | ||
| R.drawable.img2,R.drawable.img3,R.drawable.img1, | ||
| R.drawable.img3,R.drawable.img1,R.drawable.img2, | ||
| }; | ||
| public GridImageAdapter(Context c){ | ||
| context=c; | ||
| } | ||
| @Override | ||
| public int getCount() { | ||
| return images.length; | ||
| } | ||
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| @Override | ||
| public Object getItem(int position) { | ||
| return null; | ||
| } | ||
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| @Override | ||
| public long getItemId(int position) { | ||
| return 0; | ||
| } | ||
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| @Override | ||
| public View getView(int position, View convertView, ViewGroup parent) { | ||
| ImageView view; | ||
| if(convertView==null){ | ||
| view=new ImageView(context); | ||
| view.setLayoutParams(new ViewGroup.LayoutParams(200,200)); | ||
| view.setScaleType(ImageView.ScaleType.CENTER_CROP); | ||
| view.setPadding(8,8,8,8); | ||
| //create new image | ||
| }else{ | ||
| view=(ImageView) convertView; | ||
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| } | ||
| view.setImageResource(images[position]); | ||
| return view; | ||
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| } | ||
| } |
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