自定义组合控件
package .day09.two;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import .day09.R;
public class TwoLayout extends LinearLayout {
public TextView textView;
public EditText editText;
public TwoLiu twoLiu;
public LinearLayout linearLayout;
public TwoLayout(Context context) {
super(context);
}
public TwoLayout(final Context context, AttributeSet attrs) {
super(context, attrs);
View view = LayoutInflater.from(context).inflate(R.layout.twolayout , this);
textView = view.findViewById(R.id.two_text_id);
editText = view.findViewById(R.id.two_ed_id);
twoLiu = view.findViewById(R.id.two_liu_id);
linearLayout = view.findViewById(R.id.two_layout_id);
textView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String string = editText.getText().toString();
Log.e("tag" , "textView ====="+string );
final TextView textView = new TextView(context);
textView.setTag(string);
textView.setText(string);
textView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Log.e("tag" , "textView =====" + textView.getTag().toString());
}
});
twoLiu.addView(textView);
linearLayout.requestLayout();
}
});
}
public TwoLayout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
}
xmlns:android="/apk/res/android" android:layout_width="match_parent"
android:layout_height="match_parent">
android:id="@+id/two_layout_id"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
>
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>
android:id="@+id/two_ed_id"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
/>
android:id="@+id/two_text_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="搜索"
android:textSize="20sp"
android:background="#4ff"
/>
android:id="@+id/two_liu_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#ccc">
activity
package .day09.two;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import .day09.R;
public class TwoActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_two);
}
}
xmlns:app="/apk/res-auto"
xmlns:tools="/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".two.TwoActivity">
android:layout_width="match_parent"
android:layout_height="match_parent">
流式布局
package .day09.two;
import android.content.Context;
import android.util.AttributeSet;
import android.util.Log;
import android.view.ViewGroup;
public class TwoLiu extends ViewGroup {
public int mLeftMargin = 20;
public int mTopMargin = 20;
public TwoLiu(Context context) {
super(context);
}
public TwoLiu(Context context, AttributeSet attrs) {
super(context, attrs);
}
public TwoLiu(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
Log.e("tag" , "onMeasure");
measureChildren(widthMeasureSpec ,heightMeasureSpec);
int leftMargin = mLeftMargin;
int topMargin = mTopMargin;
int sizeWidth = MeasureSpec.getSize(widthMeasureSpec);
int modelWidth = MeasureSpec.getMode(widthMeasureSpec);
int sizeHeigth = MeasureSpec.getSize(heightMeasureSpec);
int modelHeigth = MeasureSpec.getMode(heightMeasureSpec);
switch (modelHeigth){
case MeasureSpec.AT_MOST:
int measuredHeight = 0 ;
for (int j = 0 ; j < getChildCount() ; j ++){
int measuredWidth = getChildAt(j).getMeasuredWidth();
measuredHeight = getChildAt(j).getMeasuredHeight();
if (leftMargin + measuredWidth + mLeftMargin > getMeasuredWidth()){
leftMargin = mLeftMargin;
topMargin += measuredHeight + mTopMargin;
}
leftMargin += measuredWidth + mLeftMargin;
}
topMargin += measuredHeight + mTopMargin;
break;
}
setMeasuredDimension(sizeWidth , topMargin);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
Log.e("tag" , "onLayout");
int leftMargin = mLeftMargin;
int topmargin = mTopMargin;
for (int j = 0 ; j < getChildCount() ; j ++){
int measuredHeight = getChildAt(j).getMeasuredHeight();
int measuredWidth = getChildAt(j).getMeasuredWidth();
if (leftMargin + measuredWidth + mLeftMargin > getWidth()){
leftMargin = mLeftMargin;
topmargin += measuredHeight + mTopMargin;
getChildAt(j).layout(leftMargin , topmargin , measuredWidth + leftMargin , measuredHeight + topmargin );
}else {
getChildAt(j).layout(leftMargin , topmargin , measuredWidth + leftMargin ,measuredHeight + topmargin );
}
leftMargin += measuredWidth + mLeftMargin;
}
}
}
标签：控件,自定义,int,context,import,Android,leftMargin,public,android
来源： /qq_42886907/article/details/89064858
