61 | * Returns the number of types of Views that will be created by
62 | * {@link #getView}. Each type represents a set of views that can be
63 | * converted in {@link #getView}. If the adapter always returns the same
64 | * type of View for all items, this method should return 1.
65 | *
66 | *
67 | * This method will only be called when when the adapter is set on the
68 | * the {@link AdapterView}.
69 | *
70 | *
71 | * @return The number of types of Views that will be created by this adapter
72 | */
73 | public int getViewTypeCount() {
74 | return 1;
75 | }
76 |
77 | /**
78 | * Get the type of View that will be created by {@link #getView} for the specified item.
79 | *
80 | * @param position The position of the item within the adapter's data set whose view type we
81 | * want.
82 | * @return An integer representing the type of View. Two views should share the same type if one
83 | * can be converted to the other in {@link #getView}. Note: Integers must be in the
84 | * range 0 to {@link #getViewTypeCount} - 1. {@link #IGNORE_ITEM_VIEW_TYPE} can
85 | * also be returned.
86 | * @see #IGNORE_ITEM_VIEW_TYPE
87 | */
88 | @SuppressWarnings("UnusedParameters") // Argument potentially used by subclasses.
89 | public int getItemViewType(int position) {
90 | return 0;
91 | }
92 |
93 | /**
94 | * Get a View that displays the data at the specified position in the data set. You can either
95 | * create a View manually or inflate it from an XML layout file. When the View is inflated, the
96 | * parent View (GridView, ListView...) will apply default layout parameters unless you use
97 | * {@link android.view.LayoutInflater#inflate(int, ViewGroup, boolean)}
98 | * to specify a root view and to prevent attachment to the root.
99 | *
100 | * @param position The position of the item within the adapter's data set of the item whose view
101 | * we want.
102 | * @param convertView The old view to reuse, if possible. Note: You should check that this view
103 | * is non-null and of an appropriate type before using. If it is not possible to convert
104 | * this view to display the correct data, this method can create a new view.
105 | * Heterogeneous lists can specify their number of view types, so that this View is
106 | * always of the right type (see {@link #getViewTypeCount()} and
107 | * {@link #getItemViewType(int)}).
108 | * @param container The parent that this view will eventually be attached to
109 | * @return A View corresponding to the data at the specified position.
110 | */
111 | public abstract View getView(int position, View convertView, ViewGroup container);
112 | }
113 |
--------------------------------------------------------------------------------
/app/src/main/java/com/hhl/tubatu/MainActivity.java:
--------------------------------------------------------------------------------
1 | package com.hhl.tubatu;
2 |
3 | import android.content.Context;
4 | import android.os.Bundle;
5 | import android.support.design.widget.FloatingActionButton;
6 | import android.support.design.widget.Snackbar;
7 | import android.support.v7.app.AppCompatActivity;
8 | import android.support.v7.widget.Toolbar;
9 | import android.view.Menu;
10 | import android.view.MenuItem;
11 | import android.view.MotionEvent;
12 | import android.view.View;
13 | import android.view.ViewGroup;
14 | import android.widget.ImageView;
15 |
16 | import com.hhl.tubatu.adapter.RecyclingPagerAdapter;
17 |
18 | import java.util.ArrayList;
19 | import java.util.List;
20 |
21 | public class MainActivity extends AppCompatActivity {
22 |
23 | private ClipViewPager mViewPager;
24 | private TubatuAdapter mPagerAdapter;
25 |
26 | @Override
27 | protected void onCreate(Bundle savedInstanceState) {
28 | super.onCreate(savedInstanceState);
29 | setContentView(R.layout.activity_main);
30 | Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
31 | setSupportActionBar(toolbar);
32 |
33 | FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
34 | fab.setOnClickListener(new View.OnClickListener() {
35 | @Override
36 | public void onClick(View view) {
37 | Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
38 | .setAction("Action", null).show();
39 | }
40 | });
41 |
42 | mViewPager = (ClipViewPager) findViewById(R.id.viewpager);
43 | mViewPager.setPageTransformer(true, new ScalePageTransformer());
44 |
45 | findViewById(R.id.page_container).setOnTouchListener(new View.OnTouchListener() {
46 | @Override
47 | public boolean onTouch(View v, MotionEvent event) {
48 | return mViewPager.dispatchTouchEvent(event);
49 | }
50 | });
51 |
52 | mPagerAdapter = new TubatuAdapter(this);
53 | mViewPager.setAdapter(mPagerAdapter);
54 |
55 | initData();
56 | }
57 |
58 | private void initData() {
59 | List list = new ArrayList<>();
60 | list.add(R.drawable.style_xiandai);
61 | list.add(R.drawable.style_jianyue);
62 | list.add(R.drawable.style_oushi);
63 | list.add(R.drawable.style_zhongshi);
64 | list.add(R.drawable.style_meishi);
65 | list.add(R.drawable.style_dzh);
66 | list.add(R.drawable.style_dny);
67 | list.add(R.drawable.style_rishi);
68 |
69 | list.add(R.drawable.style_xiandai);
70 | list.add(R.drawable.style_jianyue);
71 | list.add(R.drawable.style_oushi);
72 | list.add(R.drawable.style_zhongshi);
73 | list.add(R.drawable.style_meishi);
74 | list.add(R.drawable.style_dzh);
75 | list.add(R.drawable.style_dny);
76 | list.add(R.drawable.style_rishi);
77 |
78 | //设置OffscreenPageLimit
79 | mViewPager.setOffscreenPageLimit(Math.min(list.size(), 5));
80 | mPagerAdapter.addAll(list);
81 | }
82 |
83 | public static class TubatuAdapter extends RecyclingPagerAdapter {
84 |
85 | private final List mList;
86 | private final Context mContext;
87 |
88 | public TubatuAdapter(Context context) {
89 | mList = new ArrayList<>();
90 | mContext = context;
91 | }
92 |
93 | public void addAll(List list) {
94 | mList.addAll(list);
95 | notifyDataSetChanged();
96 | }
97 |
98 | @Override
99 | public View getView(int position, View convertView, ViewGroup container) {
100 | ImageView imageView = null;
101 | if (convertView == null) {
102 | imageView = new ImageView(mContext);
103 | } else {
104 | imageView = (ImageView) convertView;
105 | }
106 | imageView.setTag(position);
107 | imageView.setImageResource(mList.get(position));
108 | return imageView;
109 | }
110 |
111 | @Override
112 | public int getCount() {
113 | return mList.size();
114 | }
115 | }
116 |
117 | @Override
118 | public boolean onCreateOptionsMenu(Menu menu) {
119 | // Inflate the menu; this adds items to the action bar if it is present.
120 | getMenuInflater().inflate(R.menu.menu_main, menu);
121 | return true;
122 | }
123 |
124 | @Override
125 | public boolean onOptionsItemSelected(MenuItem item) {
126 | // Handle action bar item clicks here. The action bar will
127 | // automatically handle clicks on the Home/Up button, so long
128 | // as you specify a parent activity in AndroidManifest.xml.
129 | int id = item.getItemId();
130 |
131 | //noinspection SimplifiableIfStatement
132 | if (id == R.id.action_settings) {
133 | return true;
134 | }
135 |
136 | return super.onOptionsItemSelected(item);
137 | }
138 | }
139 |
--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
1 | #!/usr/bin/env bash
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
10 | DEFAULT_JVM_OPTS=""
11 |
12 | APP_NAME="Gradle"
13 | APP_BASE_NAME=`basename "$0"`
14 |
15 | # Use the maximum available, or set MAX_FD != -1 to use that value.
16 | MAX_FD="maximum"
17 |
18 | warn ( ) {
19 | echo "$*"
20 | }
21 |
22 | die ( ) {
23 | echo
24 | echo "$*"
25 | echo
26 | exit 1
27 | }
28 |
29 | # OS specific support (must be 'true' or 'false').
30 | cygwin=false
31 | msys=false
32 | darwin=false
33 | case "`uname`" in
34 | CYGWIN* )
35 | cygwin=true
36 | ;;
37 | Darwin* )
38 | darwin=true
39 | ;;
40 | MINGW* )
41 | msys=true
42 | ;;
43 | esac
44 |
45 | # For Cygwin, ensure paths are in UNIX format before anything is touched.
46 | if $cygwin ; then
47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
48 | fi
49 |
50 | # Attempt to set APP_HOME
51 | # Resolve links: $0 may be a link
52 | PRG="$0"
53 | # Need this for relative symlinks.
54 | while [ -h "$PRG" ] ; do
55 | ls=`ls -ld "$PRG"`
56 | link=`expr "$ls" : '.*-> \(.*\)$'`
57 | if expr "$link" : '/.*' > /dev/null; then
58 | PRG="$link"
59 | else
60 | PRG=`dirname "$PRG"`"/$link"
61 | fi
62 | done
63 | SAVED="`pwd`"
64 | cd "`dirname \"$PRG\"`/" >&-
65 | APP_HOME="`pwd -P`"
66 | cd "$SAVED" >&-
67 |
68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
69 |
70 | # Determine the Java command to use to start the JVM.
71 | if [ -n "$JAVA_HOME" ] ; then
72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
73 | # IBM's JDK on AIX uses strange locations for the executables
74 | JAVACMD="$JAVA_HOME/jre/sh/java"
75 | else
76 | JAVACMD="$JAVA_HOME/bin/java"
77 | fi
78 | if [ ! -x "$JAVACMD" ] ; then
79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
80 |
81 | Please set the JAVA_HOME variable in your environment to match the
82 | location of your Java installation."
83 | fi
84 | else
85 | JAVACMD="java"
86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
87 |
88 | Please set the JAVA_HOME variable in your environment to match the
89 | location of your Java installation."
90 | fi
91 |
92 | # Increase the maximum file descriptors if we can.
93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
94 | MAX_FD_LIMIT=`ulimit -H -n`
95 | if [ $? -eq 0 ] ; then
96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
97 | MAX_FD="$MAX_FD_LIMIT"
98 | fi
99 | ulimit -n $MAX_FD
100 | if [ $? -ne 0 ] ; then
101 | warn "Could not set maximum file descriptor limit: $MAX_FD"
102 | fi
103 | else
104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
105 | fi
106 | fi
107 |
108 | # For Darwin, add options to specify how the application appears in the dock
109 | if $darwin; then
110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
111 | fi
112 |
113 | # For Cygwin, switch paths to Windows format before running java
114 | if $cygwin ; then
115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
117 |
118 | # We build the pattern for arguments to be converted via cygpath
119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 | SEP=""
121 | for dir in $ROOTDIRSRAW ; do
122 | ROOTDIRS="$ROOTDIRS$SEP$dir"
123 | SEP="|"
124 | done
125 | OURCYGPATTERN="(^($ROOTDIRS))"
126 | # Add a user-defined pattern to the cygpath arguments
127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 | fi
130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 | i=0
132 | for arg in "$@" ; do
133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
135 |
136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 | else
139 | eval `echo args$i`="\"$arg\""
140 | fi
141 | i=$((i+1))
142 | done
143 | case $i in
144 | (0) set -- ;;
145 | (1) set -- "$args0" ;;
146 | (2) set -- "$args0" "$args1" ;;
147 | (3) set -- "$args0" "$args1" "$args2" ;;
148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 | esac
155 | fi
156 |
157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
158 | function splitJvmOpts() {
159 | JVM_OPTS=("$@")
160 | }
161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
163 |
164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
165 |
--------------------------------------------------------------------------------
/app/src/main/java/com/hhl/tubatu/adapter/RecycleBin.java:
--------------------------------------------------------------------------------
1 | package com.hhl.tubatu.adapter;
2 |
3 | import android.os.Build;
4 | import android.util.SparseArray;
5 | import android.view.View;
6 |
7 | /**
8 | * The RecycleBin facilitates reuse of views across layouts. The RecycleBin has two levels of
9 | * storage: ActiveViews and ScrapViews. ActiveViews are those views which were onscreen at the
10 | * start of a layout. By construction, they are displaying current information. At the end of
11 | * layout, all views in ActiveViews are demoted to ScrapViews. ScrapViews are old views that
12 | * could potentially be used by the adapter to avoid allocating views unnecessarily.
13 | *
14 | * This class was taken from Android's implementation of {@link android.widget.AbsListView} which
15 | * is copyrighted 2006 The Android Open Source Project.
16 | */
17 | public class RecycleBin {
18 | /**
19 | * Views that were on screen at the start of layout. This array is populated at the start of
20 | * layout, and at the end of layout all view in activeViews are moved to scrapViews.
21 | * Views in activeViews represent a contiguous range of Views, with position of the first
22 | * view store in mFirstActivePosition.
23 | */
24 | private View[] activeViews = new View[0];
25 | private int[] activeViewTypes = new int[0];
26 |
27 | /**
28 | * Unsorted views that can be used by the adapter as a convert view.
29 | */
30 | private SparseArray[] scrapViews;
31 |
32 | private int viewTypeCount;
33 |
34 | private SparseArray currentScrapViews;
35 |
36 | public void setViewTypeCount(int viewTypeCount) {
37 | if (viewTypeCount < 1) {
38 | throw new IllegalArgumentException("Can't have a viewTypeCount < 1");
39 | }
40 | //noinspection unchecked
41 | SparseArray[] scrapViews = new SparseArray[viewTypeCount];
42 | for (int i = 0; i < viewTypeCount; i++) {
43 | scrapViews[i] = new SparseArray();
44 | }
45 | this.viewTypeCount = viewTypeCount;
46 | currentScrapViews = scrapViews[0];
47 | this.scrapViews = scrapViews;
48 | }
49 |
50 | protected boolean shouldRecycleViewType(int viewType) {
51 | return viewType >= 0;
52 | }
53 |
54 | /**
55 | * @return A view from the ScrapViews collection. These are unordered.
56 | */
57 | View getScrapView(int position, int viewType) {
58 | if (viewTypeCount == 1) {
59 | return retrieveFromScrap(currentScrapViews, position);
60 | } else if (viewType >= 0 && viewType < scrapViews.length) {
61 | return retrieveFromScrap(scrapViews[viewType], position);
62 | }
63 | return null;
64 | }
65 |
66 | /**
67 | * Put a view into the ScrapViews list. These views are unordered.
68 | *
69 | * @param scrap The view to add
70 | */
71 | void addScrapView(View scrap, int position, int viewType) {
72 | if (viewTypeCount == 1) {
73 | currentScrapViews.put(position, scrap);
74 | } else {
75 | scrapViews[viewType].put(position, scrap);
76 | }
77 |
78 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
79 | scrap.setAccessibilityDelegate(null);
80 | }
81 | }
82 |
83 | /**
84 | * Move all views remaining in activeViews to scrapViews.
85 | */
86 | void scrapActiveViews() {
87 | final View[] activeViews = this.activeViews;
88 | final int[] activeViewTypes = this.activeViewTypes;
89 | final boolean multipleScraps = viewTypeCount > 1;
90 |
91 | SparseArray scrapViews = currentScrapViews;
92 | final int count = activeViews.length;
93 | for (int i = count - 1; i >= 0; i--) {
94 | final View victim = activeViews[i];
95 | if (victim != null) {
96 | int whichScrap = activeViewTypes[i];
97 |
98 | activeViews[i] = null;
99 | activeViewTypes[i] = -1;
100 |
101 | if (!shouldRecycleViewType(whichScrap)) {
102 | continue;
103 | }
104 |
105 | if (multipleScraps) {
106 | scrapViews = this.scrapViews[whichScrap];
107 | }
108 | scrapViews.put(i, victim);
109 |
110 | if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
111 | victim.setAccessibilityDelegate(null);
112 | }
113 | }
114 | }
115 |
116 | pruneScrapViews();
117 | }
118 |
119 | /**
120 | * Makes sure that the size of scrapViews does not exceed the size of activeViews.
121 | * (This can happen if an adapter does not recycle its views).
122 | */
123 | private void pruneScrapViews() {
124 | final int maxViews = activeViews.length;
125 | final int viewTypeCount = this.viewTypeCount;
126 | final SparseArray[] scrapViews = this.scrapViews;
127 | for (int i = 0; i < viewTypeCount; ++i) {
128 | final SparseArray scrapPile = scrapViews[i];
129 | int size = scrapPile.size();
130 | final int extras = size - maxViews;
131 | size--;
132 | for (int j = 0; j < extras; j++) {
133 | scrapPile.remove(scrapPile.keyAt(size--));
134 | }
135 | }
136 | }
137 |
138 | static View retrieveFromScrap(SparseArray scrapViews, int position) {
139 | int size = scrapViews.size();
140 | if (size > 0) {
141 | // See if we still have a view for this position.
142 | for (int i = 0; i < size; i++) {
143 | int fromPosition = scrapViews.keyAt(i);
144 | View view = scrapViews.get(fromPosition);
145 | if (fromPosition == position) {
146 | scrapViews.remove(fromPosition);
147 | return view;
148 | }
149 | }
150 | int index = size - 1;
151 | View r = scrapViews.valueAt(index);
152 | scrapViews.remove(scrapViews.keyAt(index));
153 | return r;
154 | } else {
155 | return null;
156 | }
157 | }
158 | }
159 |
--------------------------------------------------------------------------------
/app/app.iml:
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1 |
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3 |
4 |
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6 |
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14 |
15 |
16 |
17 |
18 | generateDebugAndroidTestSources
19 | generateDebugSources
20 |
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/LICENSE:
--------------------------------------------------------------------------------
1 | Apache License
2 | Version 2.0, January 2004
3 | http://www.apache.org/licenses/
4 |
5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
6 |
7 | 1. Definitions.
8 |
9 | "License" shall mean the terms and conditions for use, reproduction,
10 | and distribution as defined by Sections 1 through 9 of this document.
11 |
12 | "Licensor" shall mean the copyright owner or entity authorized by
13 | the copyright owner that is granting the License.
14 |
15 | "Legal Entity" shall mean the union of the acting entity and all
16 | other entities that control, are controlled by, or are under common
17 | control with that entity. For the purposes of this definition,
18 | "control" means (i) the power, direct or indirect, to cause the
19 | direction or management of such entity, whether by contract or
20 | otherwise, or (ii) ownership of fifty percent (50%) or more of the
21 | outstanding shares, or (iii) beneficial ownership of such entity.
22 |
23 | "You" (or "Your") shall mean an individual or Legal Entity
24 | exercising permissions granted by this License.
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26 | "Source" form shall mean the preferred form for making modifications,
27 | including but not limited to software source code, documentation
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