0
我無法讓我的setOnClickListener按鈕功能正常工作。Android按鈕OnClickListener不工作
我使用viewPager。按鈕在一個片段內。當我點擊它時，viewPager和Button都無法獲得焦點。
下面是相關的代碼：
MainActivity：
package com.paradroid.paradroidalarm;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.paradroid.adapter.TabsAdapter;
public class MainActivity extends SherlockFragmentActivity {
private ViewPager mViewPager;
private TabsAdapter mTabsAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mViewPager = new ViewPager(this);
mViewPager.setId(R.id.pager);
setContentView(mViewPager);
Fragment_1.ma = this;
ActionBar bar = getSupportActionBar();
bar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
mTabsAdapter = new TabsAdapter(this, mViewPager);
mTabsAdapter.addTab(bar.newTab().setText("Fragment 1"), Fragment_1.class, null);
mTabsAdapter.addTab(bar.newTab().setText("Fragment 2"), Fragment_2.class, null);
mTabsAdapter.addTab(bar.newTab().setText("Fragment 3"), Fragment_3.class, null);
mTabsAdapter.addTab(bar.newTab().setText("Fragment 4"), Fragment_4.class, null);
}
}
Fragment_1：
add_alarm = (Button)v.findViewById(R.id.add_alarm);
add_alarm.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
Fragment_1.loadTimer();
}
});
activity_main.xml中：
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="fill_parent"
android:layout_height="match_parent"
android:background="#FFFFFF"
tools:context=".MainActivity" >
<android.support.v4.view.ViewPager
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/pager" />
</RelativeLayout>
fragment_1.xml：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/root_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ImageView
android:id="@+id/alarm_face"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:adjustViewBounds="true"
android:src="@drawable/final_icon_smile" />
<Button
android:id="@+id/add_alarm"
android:layout_width="60dp"
android:layout_height="40dp"
android:layout_margin="5dp"
android:background="#F0F0F0"
android:text="caca"
android:textColor="#000000"
android:textSize="13sp" />
<TextView
android:id="@+id/instructions_text"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="5dp"
android:background="@drawable/rounded_edges_in"
android:gravity="center"
android:padding="5dp"
android:text="@string/instructions1"
android:textColor="#FFFFFF"
android:textSize="15sp"
android:textStyle="bold"
android:typeface="serif" >
</TextView>
<ListView
android:id="@+id/listAlarm"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_margin="4dp"
android:background="@drawable/rounded_edges_lv"
android:cacheColorHint="@android:color/transparent"
android:divider="#808080"
android:dividerHeight="1px" >
</ListView>
</LinearLayout>
正如我所說，我第一次懷疑viewPager截取所有的水龍頭之前，它下降到後代的觀點，但事實證明，它不是。我無法檢測到任何水龍頭。
編輯： TabsAdapter：
package com.paradroid.adapter;
import java.util.ArrayList;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.widget.Toast;
import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.app.ActionBar.Tab;
import com.actionbarsherlock.app.SherlockFragmentActivity;
public class TabsAdapter extends FragmentPagerAdapter implements ActionBar.TabListener , ViewPager.OnPageChangeListener{
private final Context mContext;
private final ActionBar mActionBar;
private final ViewPager mViewPager;
private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();
private final String TAG = "21st Polling:";
static final class TabInfo{
private final Class<?> clss;
private final Bundle args;
TabInfo(Class<?> _class, Bundle _args){
clss = _class;
args = _args;
}
}
public TabsAdapter(SherlockFragmentActivity fa, ViewPager pager) {
super(fa.getSupportFragmentManager());
mContext = fa;
mActionBar = fa.getSupportActionBar();
mViewPager = pager;
mViewPager.setAdapter(this);
mViewPager.setOnPageChangeListener(this);
}
public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args){
TabInfo info = new TabInfo(clss, args);
tab.setTag(info);
tab.setTabListener(this);
mTabs.add(info);
mActionBar.addTab(tab);
notifyDataSetChanged();
}
@Override
public void onPageScrollStateChanged(int state) {
}
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
mActionBar.setSelectedNavigationItem(position);
}
@Override
public void onTabSelected(Tab tab, FragmentTransaction ft) {
mViewPager.setCurrentItem(tab.getPosition());
Log.v(TAG, "clicked");
Object tag = tab.getTag();
for (int i = 0; i<mTabs.size(); i++){
if (mTabs.get(i) == tag){
mViewPager.setCurrentItem(i);
}
}
}
@Override
public void onTabUnselected(Tab tab, FragmentTransaction ft) {
Toast.makeText(mContext, "You've deselected a tab", Toast.LENGTH_SHORT).show();
}
@Override
public void onTabReselected(Tab tab, FragmentTransaction ft) {
}
@Override
public Fragment getItem(int position) {
TabInfo info = mTabs.get(position);
return Fragment.instantiate(mContext, info.clss.getName(), info.args);
}
@Override
public int getCount() {
return mTabs.size();
}
}
但是你必須在''ViewPager'中設置'adapter'？ –
使用適配器編輯。 –