Luk*_*eva 5 android click textview
我根据从数据库中检索到的记录动态创建可点击的textview,就像这样.
DBAdapter db = new DBAdapter(this);
db.open();
Cursor c = db.getAllProfiles();
if(c.moveToFirst())
{
do{
TextView tv = new TextView(this);
tv.setText(c.getString(1));
tv.setTextSize(18);
tv.setTextColor(Color.BLACK);
tv.setClickable(true);
tv.setPadding(0, 10, 0, 0);
tv.setGravity(Gravity.CENTER);
mainLayout.addView(tv);
tv.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
Toast.makeText(getBaseContext(), tv.getText().toString(), Toast.LENGTH_LONG).show();
}
});
}while(c.moveToNext());
}
else
Toast.makeText(getBaseContext(), "No Profiles", Toast.LENGTH_LONG).show();
db.close();
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如何在每个texview上单独设置点击事件?在我看到它的路上,如果我在循环上创建一个click事件,click事件可能会被所有textview触发.
*更新尝试在每个循环中添加事件但是出现此错误:
"不能引用在不同方法中定义的内部类中的非final变量".
更改代码以将OnClickListener添加到TextView
TextView tv;
if(c.moveToFirst())
{
do{
tv = new TextView(this);
tv.setText(c.getString(1));
tv.setTextSize(18);
tv.setTextColor(Color.BLACK);
tv.setClickable(true);
tv.setPadding(0, 10, 0, 0);
tv.setGravity(Gravity.CENTER);
tv.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// do you work here
}
});
mainLayout.addView(tv);
}while(c.moveToNext());
}
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