[英]Android LinearLayout Spacing
我在為android編寫一段代碼時遇到了問題。 我正在使用eclipse開發環境。 我想要完成的是讓一周中的幾天在表格的第一行(六行)上均勻分布。 我無法弄清楚如何使它實際上擴散出來,而不僅僅是在一個組中。 (是的,我嘗試過使用重量)。 我的代碼如下。 我提前為問題中的任何拼寫錯誤或代碼中的評論道歉。
package A3.cal;
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.TableLayout;
import android.widget.TableRow;
public class A3Activity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); //it works dont touch it...
setContentView(R.layout.main); //old Content View
MonthView(); //setup the initial view
}
public void MonthView(){
TableRow[] tableRows = new TableRow[6]; //create table rows for the table
LinearLayout[] dayHeaderFrames = new LinearLayout[7]; //create the frame layouts for the table headers
TextView[] days = new TextView[7]; //create new text views array
days = populateDays(0); //make the textviews say the proper days (this can be faster by manipulating the strings and then adding to textview)
TableLayout monthView = (TableLayout) findViewById(R.id.monthView); //find month View in the xml file
LinearLayout headerLayout = new LinearLayout(this); //create the linear layout that will hold the frame layouts for the text views**
headerLayout.setBackgroundColor(Color.WHITE); //make the linear layouts white
LinearLayout.LayoutParams ll = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT, 1f); //create the layout perameters for childeren
for(int i = 0; i < 6; i++){ //create the table rows
tableRows[i] = new TableRow(this); //create the new rows
}
tableRows[0].addView(headerLayout); //add the header layout to the first row
tableRows[0].setBackgroundColor(Color.RED); //set the background table row (only the first one which I am concentrating on) to red
monthView.setBackgroundColor(Color.BLUE); // make the table blue
for(int i = 0; i < 7; i++){ //add the headers to the month day header row
dayHeaderFrames[i] = new LinearLayout(this); //create new frames
headerLayout.addView(dayHeaderFrames[i], ll); //add the frames to the first row in the table
dayHeaderFrames[i].addView(days[i]); //add the textview objects to the frames (the text view objects already have the correct text from when populate days was called)
}
for(int i = 0; i < 6; i++){ //add the rows to the month view
monthView.addView(tableRows[i]); //add the new rows to the table
}
}
public TextView[] populateDays(int startDay){
TextView[] daysTextViewArr = new TextView[7]; //create a textview array
String[] days = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"}; //days of the week
for(int i = 0; i < 7; i++){ //put the days into the order based upon the start day
daysTextViewArr[i] = new TextView(this); //create a new text view object
//the following logic puts the days into order
int day = i + startDay;
if(day > 6){ //if the day will exceed the array put it back to the begining
day = day - 7;
}
daysTextViewArr[i].setText(days[i]); //set the text in the text view to the propper day
}
return daysTextViewArr;
}
}
而主要的XML布局
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/ll"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<TableLayout
android:id="@+id/monthView"
android:layout_width="match_parent"
android:layout_height="match_parent">
</TableLayout>
回顧一下代碼的工作原理,除了間隔線性布局/文本視圖
我想提前感謝你們幫助我解決這個(以及其他許多)問題。
此致
里德
解決方案很簡單。 您需要使用android:stretchColumns屬性。 將以下示例翻譯成您的代碼
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/ll"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TableLayout
android:id="@+id/monthView"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:stretchColumns="0,1,2,3,4,5">
</TableLayout>
</LinearLayout>
Java代碼
public class MainActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
getView();
}
public TextView[] populateDays(int startDay) {
TextView[] daysTextViewArr = new TextView[7];
String[] days = { "Sunday", "Monday", "Tuesday", "Wednesday",
"Thursday", "Friday", "Saturday" };
for (int i = 0; i < 7; i++) {
daysTextViewArr[i] = new TextView(this);
int day = i + startDay;
if (day > 6) {
day = day - 7;
}
daysTextViewArr[i].setText(days[i]);
}
return daysTextViewArr;
}
public void getView() {
TableRow[] tableRows = new TableRow[6];
TextView[] days = new TextView[7];
days = populateDays(0);
TableLayout monthView = (TableLayout) findViewById(R.id.monthView);
LinearLayout headerLayout = new LinearLayout(this);
headerLayout.setBackgroundColor(Color.WHITE);
LinearLayout.LayoutParams ll = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT, 1f); // create the
for (int i = 0; i < 6; i++) {
tableRows[i] = new TableRow(this);
}
for (int i = 0; i < 6; i++) {
tableRows[0].addView(days[i]);
}
monthView.setBackgroundColor(Color.BLUE);
for (int i = 0; i < 6; i++) {
monthView.addView(tableRows[i]);
}
}
}
你想要這樣嗎?
public TextView[] populateDays(int startDay) {
...
for(int i = 0; i < 7; i++){
...
daysTextViewArr[i] = new TextView(this);
daysTextViewArr[i].setPadding(10, 0, 5, 0);
...
}
...
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