Examples with FragmentTransaction android.support.v4.app.FragmentTransaction used on opensource projects

Example 86 with FragmentTransaction

use of android.support.v4.app.FragmentTransaction in project DesignLibrary by StylingAndroid.

the class ArticleViewPagerAdapter method destroyItem.

@Override
public void destroyItem(ViewGroup container, int position, Object object) {
    FragmentManager manager = ((Fragment) object).getFragmentManager();
    FragmentTransaction trans = manager.beginTransaction();
    trans.remove((Fragment) object);
    trans.commit();
    super.destroyItem(container, position, object);
}

Example 87 with FragmentTransaction

use of android.support.v4.app.FragmentTransaction in project GT by Tencent.

the class GTMainActivity method setTabSelection.

/**
	 * 根据传入的index参数来设置选中的tab页。
	 * 
	 * @param index
	 *            每个tab页对应的下标。
	 */
private synchronized void setTabSelection(int index) {
    // 每次选中之前先清楚掉上次的选中状态
    clearSelection();
    // 开启一个Fragment事务
    FragmentManager fragmentManager = getSupportFragmentManager();
    FragmentTransaction transaction = fragmentManager.beginTransaction();
    // 先隐藏掉所有的Fragment，以防止有多个Fragment显示在界面上的情况
    //TODO
    hideFragments(transaction);
    switch(index) {
        case 0:
            // 当点击了AUT tab时，改变控件的图片和文字颜色
            autImage.setImageResource(R.drawable.tab_selected_border);
            autText.setTextColor(Color.WHITE);
            if (autFragment == null) {
                autFragment = new GTAUTFragment();
                transaction.add(R.id.content, autFragment, "a");
            } else {
                transaction.show(autFragment);
            }
            break;
        case 1:
            // 当点击了参数 tab时，改变控件的图片和文字颜色
            paramImage.setImageResource(R.drawable.tab_selected_border);
            paramText.setTextColor(Color.WHITE);
            if (paramFragment == null) {
                paramFragment = new GTParamTopFragment();
                transaction.add(R.id.content, paramFragment, "b");
            } else {
                transaction.show(paramFragment);
                paramFragment.onShow(true);
            }
            break;
        case 2:
            // 当点击了耗时 tab时，改变控件的图片和文字颜色
            perfImage.setImageResource(R.drawable.tab_selected_border);
            perfText.setTextColor(Color.WHITE);
            if (perfFragment == null) {
                perfFragment = new GTPerfFragment();
                transaction.add(R.id.content, perfFragment, "c");
            } else {
                transaction.show(perfFragment);
            }
            break;
        case 3:
            // 当点击了日志 tab时，改变控件的图片和文字颜色
            logImage.setImageResource(R.drawable.tab_selected_border);
            logText.setTextColor(Color.WHITE);
            if (logFragment == null) {
                logFragment = new GTLogFragment();
                transaction.add(R.id.content, logFragment, "d");
            } else {
                transaction.show(logFragment);
            }
            break;
        case 4:
        default:
            // 当点击了插件 tab时，改变控件的图片和文字颜色
            pluginImage.setImageResource(R.drawable.tab_selected_border);
            pluginText.setTextColor(Color.WHITE);
            if (pluginFragment == null) {
                pluginFragment = new GTPluginFragment();
                transaction.add(R.id.content, pluginFragment, "e");
            } else {
                transaction.show(pluginFragment);
            }
            break;
    }
    /*
		 * 直接使用commit()可能会出错：
		 * IllegalStateException: Can not perform this action after onSaveInstanceState：\
		 * 
		 * @see http://developer.android.com/reference/android/app/FragmentTransaction.html#commitAllowingStateLoss()
		 * 
		 * 大致意思是说我使用的 commit方法是在Activity的onSaveInstanceState()之后调用的，这样会出错，因为onSaveInstanceState
		 * 方法是在该Activity即将被销毁前调用，来保存Activity数据的，如果在保存玩状态后再给它添加Fragment就会出错。解决办法就
		 * 是把commit（）方法替换成 commitAllowingStateLoss()就行了，其效果是一样的。
		 */
    // transaction.commit(); 
    transaction.commitAllowingStateLoss();
}

Example 88 with FragmentTransaction

use of android.support.v4.app.FragmentTransaction in project GT by Tencent.

the class GTMainActivity method removeFragments.

/*
	 * 在Activity重新加载时，要先清除遗留的Fragment
	 */
private void removeFragments() {
    FragmentManager fragmentManager = getSupportFragmentManager();
    FragmentTransaction transaction = fragmentManager.beginTransaction();
    Fragment fragment = fragmentManager.findFragmentByTag("a");
    if (fragment != null) {
        transaction.remove(fragment);
    }
    fragment = fragmentManager.findFragmentByTag("b");
    if (fragment != null) {
        transaction.remove(fragment);
    }
    fragment = fragmentManager.findFragmentByTag("c");
    if (fragment != null) {
        transaction.remove(fragment);
    }
    fragment = fragmentManager.findFragmentByTag("d");
    if (fragment != null) {
        transaction.remove(fragment);
    }
    fragment = fragmentManager.findFragmentByTag("e");
    if (fragment != null) {
        transaction.remove(fragment);
    }
    transaction.commitAllowingStateLoss();
}

Example 89 with FragmentTransaction

use of android.support.v4.app.FragmentTransaction in project GT by Tencent.

the class GTParamTopFragment method setFragSelection.

/**
	 * 根据传入的index参数来设置选中的Fragment页。
	 * 
	 * @param index
	 *            每个Fragment页对应的下标。
	 */
private void setFragSelection(int index) {
    // 每次选中之前先清楚掉上次的选中状态
    clearSelection();
    // 开启一个Fragment事务
    FragmentTransaction transaction = fragmentManager.beginTransaction();
    // 先隐藏掉所有的Fragment，以防止有多个Fragment显示在界面上的情况
    hideFragments(transaction);
    switch(index) {
        case 0:
            // 入参
            btnIn.setBackgroundResource(R.drawable.swbtn_selected);
            btnIn.setTextColor(Color.WHITE);
            if (inFragment == null) {
                inFragment = new GTParamInFragment();
                transaction.add(R.id.content, inFragment);
            } else {
                transaction.show(inFragment);
            }
            break;
        case 1:
            // 出参
            btnOut.setBackgroundResource(R.drawable.swbtn_selected);
            btnOut.setTextColor(Color.WHITE);
            if (outFragment == null) {
                outFragment = new GTParamOutFragment();
                transaction.add(R.id.content, outFragment);
            } else {
                transaction.show(outFragment);
            }
            break;
        case 2:
            // 入参编辑
            btnIn.setBackgroundResource(R.drawable.swbtn_selected);
            btnIn.setTextColor(Color.WHITE);
            if (inEditFragment == null) {
                inEditFragment = new GTParamInEditFragment();
                transaction.add(R.id.content, inEditFragment);
            } else {
                transaction.show(inEditFragment);
            }
            break;
        case 3:
            // 出参编辑
            btnOut.setBackgroundResource(R.drawable.swbtn_selected);
            btnOut.setTextColor(Color.WHITE);
            if (outEditFragment == null) {
                outEditFragment = new GTParamOutEditFragment();
                transaction.add(R.id.content, outEditFragment);
            } else {
                transaction.show(outEditFragment);
            }
            break;
        default:
            break;
    }
    /*
		 * 直接使用commit()可能会出错：
		 * IllegalStateException: Can not perform this action after onSaveInstanceState：\
		 * 
		 * @see http://developer.android.com/reference/android/app/FragmentTransaction.html#commitAllowingStateLoss()
		 * 
		 * 大致意思是说我使用的 commit方法是在Activity的onSaveInstanceState()之后调用的，这样会出错，因为onSaveInstanceState
		 * 方法是在该Activity即将被销毁前调用，来保存Activity数据的，如果在保存玩状态后再给它添加Fragment就会出错。解决办法就
		 * 是把commit（）方法替换成 commitAllowingStateLoss()就行了，其效果是一样的。
		 */
    // transaction.commit(); 
    transaction.commitAllowingStateLoss();
}

Example 90 with FragmentTransaction

use of android.support.v4.app.FragmentTransaction in project mounts2sd by SpazeDog.

the class ActivityTabController method tabSwitchFragment.

private void tabSwitchFragment(Integer tabId) {
    FragmentManager fragmentManager = getSupportFragmentManager();
    Boolean isAdded = fragmentManager.findFragmentByTag("" + tabId) != null;
    if (!isAdded || mTabFragments.get(tabId).isDetached()) {
        FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
        for (int id : mTabFragments.keySet()) {
            if (id != tabId && fragmentManager.findFragmentByTag("" + id) != null && !mTabFragments.get(id).isDetached()) {
                fragmentTransaction.detach(mTabFragments.get(id));
            }
        }
        if (isAdded && mTabFragments.get(tabId).isDetached()) {
            fragmentTransaction.attach(mTabFragments.get(tabId));
        } else if (!isAdded) {
            fragmentTransaction.add(R.id.fragment_frame, mTabFragments.get(tabId), "" + tabId);
        }
        fragmentTransaction.commit();
    } else {
        tabUpdateButtons();
    }
}