在我的代碼中,我以編程方式創建按鈕2如何設置以編程方式將位置設置爲屏幕中心?這是我的屏幕圖像https://imgur.com/7wdyVc6提交按鈕(button2)創建正下方forloop按鈕我如何設置位置爲屏幕中心?如何以編程方式設置按鈕位置?
ScrollView scroll = new ScrollView(MainActivity1.this);
scroll.setLayoutParams(new
LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT));
btnLO = new LinearLayout(MainActivity1.this);
LinearLayout.LayoutParams paramsLO = new
LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
// button margins
paramsLO.setMargins(0, 0, 0, 0);
// button height/width *pixels*
paramsLO.height = 75;
paramsLO.width = 75;
btnLO.setOrientation(LinearLayout.VERTICAL);
btnLO.setBackgroundColor(5); // not working correctly
//buttons
for (i = 0;i < reqdata.length;i++)
{
LinearLayout li=new LinearLayout(this);
li.setOrientation(LinearLayout.HORIZONTAL);
final Button b1 = new Button(MainActivity1.this);
final ImageView imageView = new ImageView(MainActivity1.this);
li.addView(b1, paramsLO);
li.addView(imageView, paramsLO);
btnLO.addView(li);
b1.setText(reqdata[i].getSpinnerText());
b1.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
imageView1 = imageView;
Intent pictureActionIntent = new
Intent(MediaStore.ACTION_IMAGE_CAPTURE);
pictureActionIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new
File(SDCARD_ROOT_PATH + SAVE_PATH_IN_SDCARD,IMAGE_CAPTURE_NAME)));
startActivityForResult(pictureActionIntent,CAMERA_PICTURE);
b1.setClickable(false);
}
});
}
final Button b2 = new Button(MainActivity1.this);
b2.setText("Submit");
b2.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
long visitID = dbConnector.saveVisit();
for (i =0;i <reqdata.length;i++)
{
dbConnector.saveVisitDetail(listByte.get(i),visitID,Long.valueOf(reqdata[i]
.getValue()).longValue());
}
}
});
btnLO.addView(b2, paramsLO);
btnLO.setGravity(Gravity.LEFT | Gravity.CENTER_HORIZONTAL);
scroll.addView(btnLO);
this.addContentView(scroll, new LayoutParams());
}
使用相對佈局。 – Anukool 2013-03-07 10:33:04
我怎麼只用於按鈕2 ??幫助我PLZ – 2013-03-07 10:35:22
這裏是滾動視圖上的androids文檔「A ScrollView是一個FrameLayout,這意味着你應該放置一個包含整個內容的孩子滾動」......在你的情況下,孩子是線性佈局。您剩下兩個選項:(1)使用相對佈局而不是線性佈局和位置按鈕(2)使用相對佈局,僅添加按鈕2並在原始線性佈局中添加此相對佈局。我會建議選項1.你是否希望我發佈任何這些選項的代碼? – drulabs 2013-03-07 10:46:28