我制作了一个自定义 TextView,它为每一行文本绘制线条。
此自定义 TextView 与其他标准 TextView 和 ImageView 一起放置在 LinearLayout 中。
每当我点击正常的TextViews、ImageViews 或自定义TextView 之外,点击都会被拦截。
但是,如果我单击自定义 TextView,则不会拦截单击。
请帮忙!!!
图片:
正常状态(最小化)
最大化状态
此处未检测到单击
代码:
NoteTextView.java
package harsha.notes.view;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.widget.TextView;
public class NoteTextView extends TextView {
boolean isMaximized = false;
public NoteTextView(Context canvas, AttributeSet attributeSet) {
super(canvas, attributeSet);
}
@Override
protected void onDraw(Canvas canvas) {
int width = getWidth();//var2.getDefaultDisplay().getWidth();
int height = getHeight();//var2.getDefaultDisplay().getHeight();
int paddingLeft = getPaddingLeft();
int paddingTop = getPaddingTop();
int paddingBottom = getPaddingBottom();
int scrollY = getScrollY();
int scrollX = getScrollX();
int lineHeight = getLineHeight();
int grossWidth = width + scrollX;
int grossHeight = height + scrollY;
int netViewHeight = lineHeight + (grossHeight - paddingTop - paddingBottom);
Paint paint = new Paint();
paint.setStyle(Paint.Style.FILL);
//paint.setColor(1722066084);
paint.setColor(1711276032);
float fontAdjustment = 15.826172F - (paint.getFontMetrics().bottom - paint.getFontMetrics().top);
float baseline = (float)(scrollY + lineHeight - scrollY % lineHeight) - fontAdjustment;
float linePadding;
if(width != 800 && height != 480) {
linePadding = 2;
} else {
linePadding = 4;
}
while(baseline < (float)netViewHeight) {
canvas.drawLine((float)paddingLeft, baseline + (float)paddingTop + linePadding, (float)grossWidth, baseline + (float)paddingTop + linePadding, paint);
baseline += (float)lineHeight;
}
super.onDraw(canvas);
}
public boolean isMaximized(){
return isMaximized;
}
public void setMaximized(boolean maximized){
isMaximized = maximized;
if(!isMaximized){
setLines(1);
}else{
setSingleLine(false);
}
}
}
NoteListAdapter.java
package harsha.notes.Items;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.*;
import harsha.notes.DB.NotesProvider;
import harsha.notes.NoteEditActivity;
import harsha.notes.R;
import harsha.notes.view.NoteTextView;
import harsha.notes.view.ViewUtils;
import java.util.ArrayList;
public class NoteListAdapter extends ArrayAdapter<Note> {
ArrayList<Note> mNotes;
final Context mContext;
public NoteListAdapter(Context context, ArrayList<Note> notes) {
super(context, R.layout.note_item, notes);
mContext = context;
mNotes = new ArrayList<Note>();
mNotes = notes;
}
public class NoteViewHolder {
public LinearLayout preview_layout;
public TextView position;
public TextView date;
public TextView time;
//public CheckBox check;
public ImageView edit;
public ImageView delete;
public NoteTextView content;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
NoteViewHolder noteViewHolder = null;
if (convertView == null) {
convertView = LayoutInflater.from(mContext).inflate(R.layout.note_item, null);
noteViewHolder = new NoteViewHolder();
noteViewHolder.preview_layout = (LinearLayout) convertView.findViewById(R.id.preview);
noteViewHolder.position = (TextView) convertView.findViewById(R.id.position);
noteViewHolder.date = (TextView) convertView.findViewById(R.id.date);
noteViewHolder.time = (TextView) convertView.findViewById(R.id.time);
noteViewHolder.edit = (ImageView) convertView.findViewById(R.id.menu_edit);
noteViewHolder.delete = (ImageView) convertView.findViewById(R.id.menu_delete);
//noteViewHolder.check = (CheckBox) convertView.findViewById(R.id.check);
noteViewHolder.content = (NoteTextView) convertView.findViewById(R.id.preview_text);
}else{
noteViewHolder = (NoteViewHolder) convertView.getTag();
}
Note note = mNotes.get(position);
noteViewHolder.content.setMaximized(note.getChecked());
noteViewHolder.content.setNextFocusUpId(R.id.preview);
noteViewHolder.preview_layout.setBackgroundResource(ViewUtils.getBackground(note.getColor(), noteViewHolder.content.isMaximized()));
noteViewHolder.content.setText(note.getText());
//noteViewHolder.check.setVisibility(View.GONE);
noteViewHolder.date.setText(note.getDate());
noteViewHolder.time.setText(note.getTime());
convertView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view){
LinearLayout preview_layout = (LinearLayout) view.findViewById(R.id.preview);
NoteTextView content = (NoteTextView) view.findViewById(R.id.preview_text);
Note note = (Note) preview_layout.getTag();
content.setMaximized(!note.getChecked());
preview_layout.setBackgroundResource(ViewUtils.getBackground(note.getColor(), !note.getChecked()));
note.setChecked(!note.getChecked());
}
});
noteViewHolder.edit.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
LinearLayout preview_layout = (LinearLayout) view.getRootView().findViewById(R.id.preview);
Note note = (Note) preview_layout.getTag();
Intent intent = new Intent(mContext, NoteEditActivity.class);
intent.setData(Uri.withAppendedPath(NotesProvider.CONTENT_URI, Uri.encode(String.valueOf(note.getNoteID()))));
mContext.startActivity(intent);
}
});
noteViewHolder.delete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
LinearLayout preview_layout = (LinearLayout) view.findViewById(R.id.preview);
Note note = (Note) preview_layout.getTag();
}
});
noteViewHolder.position.setText(String.valueOf(position+1));
noteViewHolder.preview_layout.setTag(note);
convertView.setTag(noteViewHolder);
return convertView;
}
}
note_item.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:id="@id/preview_parent" xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" android:background="#ff4A4A4A" android:padding="5dip" android:measureWithLargestChild="false"
android:clickable="true" android:focusable="true">
<LinearLayout android:id="@id/preview" android:focusable="true" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" android:background="@drawable/note_yellow_min"
android:focusableInTouchMode="true">
<LinearLayout android:layout_width="fill_parent" android:layout_height="40dip" android:layout_marginRight="0dp" android:layout_marginBottom="1dip" android:gravity="center_vertical" android:focusable="false"
android:layout_marginTop="1dip">
<ImageView android:id="@id/menu_edit" android:layout_width="37dip" android:layout_height="37dip" android:src="@drawable/menu_edit" android:contentDescription="@string/color_yellow"
android:clickable="true" android:layout_marginLeft="2dip"/>
<TextView android:id="@id/position" android:textSize="15.0dip" android:typeface="sans" android:textStyle="bold" android:textColor="#ff000000" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="MMM" android:layout_gravity="center" android:layout_marginLeft="5dip" android:gravity="right"
android:focusable="false"/>
<TextView android:id="@id/date" android:textSize="17.0dip" android:typeface="sans" android:textStyle="bold" android:textColor="#ff000000" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="16 AUG 2001" android:layout_weight="1" android:layout_gravity="center" android:layout_marginLeft="8dip"
android:textIsSelectable="false" android:focusable="false"/>
<TextView android:id="@id/time" android:textSize="17.0dip" android:typeface="sans" android:textStyle="bold" android:textColor="#ff000000" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="20:11" android:layout_gravity="center" android:layout_marginLeft="8dip" android:layout_marginRight="8dip"
android:textIsSelectable="false" android:focusable="false"/>
<ImageView android:id="@id/menu_delete" android:layout_width="37dip" android:layout_height="37dip" android:src="@drawable/menu_delete" android:contentDescription="@string/color_yellow"
android:clickable="true" android:layout_marginLeft="2dip" android:layout_marginRight="3dip"
android:visibility="visible"/>
<ImageView android:id="@id/check" android:layout_width="37dip" android:layout_height="37dip" android:src="@drawable/menu_check" android:contentDescription="@string/color_yellow"
android:clickable="true" android:layout_marginLeft="0dp" android:layout_marginRight="3dip"
android:visibility="gone"/>
</LinearLayout>
<View android:layout_width="fill_parent" android:layout_height="1dip" android:background="#77000000" android:focusable="false"/>
<harsha.notes.view.NoteTextView android:scrollbarStyle="outsideOverlay" android:autoLink="all" android:capitalize="sentences" android:lineSpacingExtra="4.0dip" android:text="123" android:textColor="#ff000000" android:minLines="1" android:id="@id/preview_text" android:layout_width="match_parent" android:layout_height="wrap_content" android:textSize="22dp" android:layout_marginLeft="20dp" android:layout_marginRight="25dip" android:layout_marginTop="3dip" android:layout_marginBottom="28dip" android:clickable="true"
android:typeface="sans" android:visibility="visible" android:focusable="false"
android:background="@android:color/transparent" android:linksClickable="true"
android:focusableInTouchMode="false" android:longClickable="true"
android:enabled="true"/>
</LinearLayout>
</LinearLayout>