Android自定义顶部标题栏

<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"   android:id="@+id/layout_titlebar"   android:layout_width="match_parent"   android:layout_height="52dp"   android:background="#ed4255" >    <TextView     android:id="@+id/text_title"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:ellipsize="marquee"     android:gravity="center_horizontal|center"     android:singleLine="true"     android:text="标题栏"     android:textColor="#ffffffff"     android:textSize="20dp" />    <Button     android:id="@+id/button_backward"     android:layout_width="60dp"     android:layout_height="match_parent"     android:background="@drawable/title_button_selector"     android:drawableLeft="@drawable/back_arrow"     android:drawablePadding="6dp"     android:ellipsize="end"     android:gravity="center"     android:onClick="onClick"     android:paddingLeft="5dp"     android:singleLine="true"     android:text="返回"     android:textColor="#ffffffff"     android:textSize="18dp"     android:visibility="invisible" />    <Button     android:id="@+id/button_forward"     android:layout_width="60dp"     android:layout_height="match_parent"     android:layout_alignParentRight="true"     android:background="@drawable/title_button_selector"     android:drawablePadding="6dp"     android:ellipsize="end"     android:gravity="center"     android:onClick="onClick"     android:paddingLeft="5dp"     android:singleLine="true"     android:text="提交"     android:textColor="#ffffffff"     android:textSize="18dp"     android:visibility="invisible" />  </RelativeLayout> 

 <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"   android:layout_width="match_parent"   android:layout_height="match_parent"   android:orientation="vertical" >    <!-- Title -->    <include layout="@layout/layout_titlebar" />    <FrameLayout     android:id="@+id/layout_content"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:background="#fff" >   </FrameLayout>  </LinearLayout> 

package org.gaochun.widget;  import org.gaochun.ui.R;  import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup.LayoutParams; import android.widget.Button; import android.widget.FrameLayout; import android.widget.TextView; import android.widget.Toast;   /**  * @author gao_chun  * 自定义标题栏  */ public class TitleActivity extends Activity implements OnClickListener{    //private RelativeLayout mLayoutTitleBar;   private TextView mTitleTextView;   private Button mBackwardbButton;   private Button mForwardButton;   private FrameLayout mContentLayout;     @Override   protected void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setupViews();  //加载 activity_title 布局 ，并获取标题及两侧按钮   }     private void setupViews() {     super.setContentView(R.layout.activity_title);     mTitleTextView = (TextView) findViewById(R.id.text_title);     mContentLayout = (FrameLayout) findViewById(R.id.layout_content);     mBackwardbButton = (Button) findViewById(R.id.button_backward);     mForwardButton = (Button) findViewById(R.id.button_forward);   }    /**    * 是否显示返回按钮    * @param backwardResid 文字    * @param show true则显示    */   protected void showBackwardView(int backwardResid, boolean show) {     if (mBackwardbButton != null) {       if (show) {         mBackwardbButton.setText(backwardResid);         mBackwardbButton.setVisibility(View.VISIBLE);       } else {         mBackwardbButton.setVisibility(View.INVISIBLE);       }     } // else ignored   }    /**    * 提供是否显示提交按钮    * @param forwardResId 文字    * @param show true则显示    */   protected void showForwardView(int forwardResId, boolean show) {     if (mForwardButton != null) {       if (show) {         mForwardButton.setVisibility(View.VISIBLE);         mForwardButton.setText(forwardResId);       } else {         mForwardButton.setVisibility(View.INVISIBLE);       }     } // else ignored   }    /**    * 返回按钮点击后触发    * @param backwardView    */   protected void onBackward(View backwardView) {     Toast.makeText(this, "点击返回，可在此处调用finish()", Toast.LENGTH_LONG).show();     //finish();   }    /**    * 提交按钮点击后触发    * @param forwardView    */   protected void onForward(View forwardView) {     Toast.makeText(this, "点击提交", Toast.LENGTH_LONG).show();   }     //设置标题内容   @Override   public void setTitle(int titleId) {     mTitleTextView.setText(titleId);   }    //设置标题内容   @Override   public void setTitle(CharSequence title) {     mTitleTextView.setText(title);   }    //设置标题文字颜色   @Override   public void setTitleColor(int textColor) {     mTitleTextView.setTextColor(textColor);   }     //取出FrameLayout并调用父类removeAllViews()方法   @Override   public void setContentView(int layoutResID) {     mContentLayout.removeAllViews();     View.inflate(this, layoutResID, mContentLayout);     onContentChanged();   }    @Override   public void setContentView(View view) {     mContentLayout.removeAllViews();     mContentLayout.addView(view);     onContentChanged();   }    /* (non-Javadoc)    * @see android.app.Activity#setContentView(android.view.View, android.view.ViewGroup.LayoutParams)    */   @Override   public void setContentView(View view, LayoutParams params) {     mContentLayout.removeAllViews();     mContentLayout.addView(view, params);     onContentChanged();   }     /* (non-Javadoc)    * @see android.view.View.OnClickListener#onClick(android.view.View)    * 按钮点击调用的方法    */   @Override   public void onClick(View v) {      switch (v.getId()) {       case R.id.button_backward:         onBackward(v);         break;        case R.id.button_forward:         onForward(v);         break;        default:         break;     }   } }