android studio中ToolBar實現標題欄
阿新 • • 發佈:2018-11-23
首先注意將values中的style類中改成NoActionBar
<!-- Base application theme. --> <style name="AppTheme" parent="Theme.AppCompat.Light**.NoActionBar**"> <!-- Customize your theme here. --> <item name="colorPrimary">@color/colorPrimary</item> <item name="colorPrimaryDark">@color/colorPrimaryDark</item> <item name="colorAccent">@color/colorAccent</item> </style>
主佈局中新增Toolbar標題欄目
<android.support.v7.widget.Toolbar android:id="@+id/toolbar" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="#ff0" > <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="主題"/> </android.support.v7.widget.Toolbar>
主Actvity主類中找到控制元件以及設定點選事件返回
package com.qianjiu.qgs.choujiang;
import android.graphics.Color;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
public class MainActivity extends AppCompatActivity {
private Toolbar mToolbar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mToolbar = findViewById(R.id.toolbar);
setSupportActionBar(mToolbar);
getSupportActionBar().setDisplayShowTitleEnabled(true);
/*getSupportActionBar().setTitle("第一個");
mToolbar.setTitleTextColor(Color.RED);
mToolbar.setSubtitle("2");
mToolbar.setSubtitleTextColor(Color.BLACK);*/
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
mToolbar.setNavigationOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
MainActivity.this.finish();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu,menu);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
return super.onPrepareOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
return super.onOptionsItemSelected(item);
}
@Override
public void onPanelClosed(int featureId, Menu menu) {
super.onPanelClosed(featureId, menu);
}
@Override
public boolean onMenuOpened(int featureId, Menu menu) {
return super.onMenuOpened(featureId, menu);
}
}