[英]How can I properly align a TextView and EditText in a horizontal LinearLayout?
[英]How to align the TextView and EditText into horizontal LinearLayout programmatically?
這是我所擁有的:
LinearLayout horizontalLL = new LinearLayout(thisActivity);
horizontalLL.setOrientation(LinearLayout.HORIZONTAL);
horizontalLL.setLayoutParams(new LinearLayoutCompat.LayoutParams(LinearLayoutCompat.LayoutParams.MATCH_PARENT, LinearLayoutCompat.LayoutParams.WRAP_CONTENT,1));
TextView captionTV = new TextView(thisActivity);
captionTV.setText(element.description);
captionTV.setLayoutParams(new LinearLayoutCompat.LayoutParams(LinearLayoutCompat.LayoutParams.WRAP_CONTENT, LinearLayoutCompat.LayoutParams.WRAP_CONTENT));
editText.setLayoutParams(new LinearLayoutCompat.LayoutParams(LinearLayoutCompat.LayoutParams.WRAP_CONTENT, LinearLayoutCompat.LayoutParams.WRAP_CONTENT,0.6f));
horizontalLL.addView(captionTV);
horizontalLL.addView(editText);
LL.addView(horizontalLL);
但是結果很糟糕:editText仍然很短,無法填充水平線性布局。 我也嘗試為captionTV設置權重,但仍然沒有結果。
請按以下方式進行更改
editText.setLayoutParams(new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT,0.6f));
您可以在此處使用LinearLayout.LayoutParams.MATCH_PARENT
或LinearLayout.LayoutParams.WRAP_CONTENT
代替0
。
如果可能,將所有LinearLayoutCompat
替換為LinearLayout
。
如果您希望您的EditText自動覆蓋剩余空間 ,請嘗試以下代碼:
LinearLayout horizontalLL = new LinearLayout(this);
horizontalLL.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
horizontalLL.setOrientation(LinearLayout.HORIZONTAL);
TextView captionTV = new TextView(this);
captionTV.setText("element.description");
captionTV.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT));
editText.setLayoutParams(new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.WRAP_CONTENT , 1));
horizontalLL.addView(captionTV);
horizontalLL.addView(editText);
LL.addView(horizontalLL);
您需要使用以下代碼:
LinearLayout ll1 = (LinearLayout)findViewById(R.id.ll1);
android.widget.LinearLayout horizontalLL = new android.widget.LinearLayout(this);
horizontalLL.setOrientation(android.widget.LinearLayout.HORIZONTAL);
horizontalLL.setLayoutParams(new android.widget.LinearLayout.LayoutParams(android.widget.LinearLayout.LayoutParams.MATCH_PARENT, 150,1f));
TextView captionTV = new TextView(this);
captionTV.setText("Hello textview ");
captionTV.setTextColor(Color.BLUE);
captionTV.setLayoutParams(new android.widget.LinearLayout.LayoutParams(0, android.widget.LinearLayout.LayoutParams.WRAP_CONTENT,0.4f));
horizontalLL.addView(captionTV);
EditText editText = new EditText(this);
editText.setText("Hello edittext ");
editText.setTextColor(Color.BLUE);
editText.setLayoutParams(new android.widget.LinearLayout.LayoutParams(0, android.widget.LinearLayout.LayoutParams.WRAP_CONTENT,0.6f));
horizontalLL.addView(editText);
ll1.addView(horizontalLL);
因為在XML權重中定義如下:
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:weightSum="1.0">
<TextView
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="0.40"
android:text="test"/>
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.60"
android:text="test"/>
</LinearLayout>
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