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Android更换主题

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来自开源项目：https://github.com/lguipeng/Notes，其中有改变主题的功能，我做了部分修改，并应用到我的APP中。感谢lguipeng的开源。

效果预览


实例APK

样式定义

style.xml

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<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
    <!-- Customize your theme here. -->
</style>
<style name="AppTheme.NoActionBar">
    <item name="windowActionBar">false</item>
    <item name="windowNoTitle">true</item>
</style>
<style name="ChangeThemeDialog" parent="Theme.AppCompat.Light.Dialog">
    <item name="android:windowEnterAnimation">@anim/abc_fade_in</item>
    <item name="android:windowExitAnimation">@anim/abc_fade_out</item>
</style>
<style name="RedTheme" parent="AppTheme">
    <item name="colorPrimary">@color/red_primary</item>
    <item name="colorPrimaryDark">@color/red_primary_dark</item>
    <item name="colorAccent">@color/red_accent</item>
</style>
<style name="PinkTheme" parent="AppTheme">
    <item name="colorPrimary">@color/pink_primary</item>
    <item name="colorPrimaryDark">@color/pink_primary_dark</item>
    <item name="colorAccent">@color/pink_accent</item>
</style>
<style name="BrownTheme" parent="AppTheme">
    <item name="colorPrimary">@color/brown_primary</item>
    <item name="colorPrimaryDark">@color/brown_primary_dark</item>
    <item name="colorAccent">@color/brown_accent</item>
</style>
<style name="BlueTheme" parent="AppTheme">
    <item name="colorPrimary">@color/blue_primary</item>
    <item name="colorPrimaryDark">@color/blue_primary_dark</item>
    <item name="colorAccent">@color/blue_accent</item>
</style>
<style name="BlueGreyTheme" parent="AppTheme">
    <item name="colorPrimary">@color/blue_grey_primary</item>
    <item name="colorPrimaryDark">@color/blue_grey_primary_dark</item>
    <item name="colorAccent">@color/blue_grey_accent</item>
</style>
<style name="YellowTheme" parent="AppTheme">
    <item name="colorPrimary">@color/yellow_primary</item>
    <item name="colorPrimaryDark">@color/yellow_primary_dark</item>
    <item name="colorAccent">@color/yellow_accent</item>
</style>
<style name="DeepPurpleTheme" parent="AppTheme">
    <item name="colorPrimary">@color/deep_purple_primary</item>
    <item name="colorPrimaryDark">@color/deep_purple_primary_dark</item>
    <item name="colorAccent">@color/deep_purple_accent</item>
</style>
<style name="GreenTheme" parent="AppTheme">
    <item name="colorPrimary">@color/green_primary</item>
    <item name="colorPrimaryDark">@color/green_primary_dark</item>
    <item name="colorAccent">@color/green_accent</item>
</style>
<style name="DeepOrangeTheme" parent="AppTheme">
    <item name="colorPrimary">@color/deep_orange_primary</item>
    <item name="colorPrimaryDark">@color/deep_orange_primary_dark</item>
    <item name="colorAccent">@color/deep_orange_accent</item>
</style>
<style name="GreyTheme" parent="AppTheme">
    <item name="colorPrimary">@color/grey_primary</item>
    <item name="colorPrimaryDark">@color/grey_primary_dark</item>
    <item name="colorAccent">@color/grey_accent</item>
</style>
<style name="CyanTheme" parent="AppTheme">
    <item name="colorPrimary">@color/cyan_primary</item>
    <item name="colorPrimaryDark">@color/cyan_primary_dark</item>
    <item name="colorAccent">@color/cyan_accent</item>
</style>
<style name="AmberTheme" parent="AppTheme">
    <item name="colorPrimary">@color/amber_primary</item>
    <item name="colorPrimaryDark">@color/amber_primary_dark</item>
    <item name="colorAccent">@color/amber_accent</item>
</style>

颜色定义

color.xml

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<color name="red_primary">#F44336</color>
   <color name="red_primary_dark">#D32F2F</color>
   <color name="red_accent">#F44336</color>
   <color name="pink_primary">#E91E63</color>
   <color name="pink_primary_dark">#C2185B</color>
   <color name="pink_accent">#E91E63</color>
   <color name="brown_primary">#795548</color>
   <color name="brown_primary_dark">#5D4037</color>
   <color name="brown_accent">#795548</color>
   <color name="blue_primary">#2196F3</color>
   <color name="blue_primary_dark">#1976D2</color>
   <color name="blue_accent">#2196F3</color>
   <color name="blue_grey_primary">#607D8B</color>
   <color name="blue_grey_primary_dark">#455A64</color>
   <color name="blue_grey_accent">#607D8B</color>
   <color name="yellow_primary">#FFEB3B</color>
   <color name="yellow_primary_dark">#FBC02D</color>
   <color name="yellow_accent">#FFEB3B</color>
   <color name="deep_purple_primary">#673AB7</color>
   <color name="deep_purple_primary_dark">#512DA8</color>
   <color name="deep_purple_accent">#673AB7</color>
   <color name="green_primary">#4CAF50</color>
   <color name="green_primary_dark">#388E3C</color>
   <color name="green_accent">#4CAF50</color>
   <color name="deep_orange_primary">#FF5722</color>
   <color name="deep_orange_primary_dark">#E64A19</color>
   <color name="deep_orange_accent">#FF5722</color>
   <color name="grey_primary">#9E9E9E</color>
   <color name="grey_primary_dark">#616161</color>
   <color name="grey_accent">#9E9E9E</color>
   <color name="cyan_primary">#00BCD4</color>
   <color name="cyan_primary_dark">#0097A7</color>
   <color name="cyan_accent">#00BCD4</color>
   <color name="amber_primary">#FFC107</color>
   <color name="amber_primary_dark">#FFA000</color>
   <color name="amber_accent">#FFC107</color>
   <color name="primary">#2196F3</color>
   <color name="primary_dark">#1E88E5</color>
   <color name="accent">@color/primary</color>

基类BaseActivity

初始化主题

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public class BaseActivity extends AppCompatActivity {
    protected PreferenceUtils preferenceUtils;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        preferenceUtils = PreferenceUtils.getInstance(this);
        initTheme();
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_base);
    }
    private void initTheme() {
        ThemeUtils.Theme theme = ThemeUtils.getCurrentTheme(this);
        ThemeUtils.changTheme(this, theme);
    }
   }

调用

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public class MainActivity extends BaseActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        findViewById(R.id.start).setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View view) {
                        showThemeChooseDialog();
                    }
                }
        );
    }
    private void showThemeChooseDialog() {
        AlertDialog.Builder builder = new AlertDialog.Builder(mAtivity, R.style.ChangeThemeDialog);
        builder.setTitle("更换主题");
        Integer[] res = new Integer[]{R.drawable.red_round, R.drawable.brown_round, R.drawable.blue_round,
                R.drawable.blue_grey_round, R.drawable.yellow_round, R.drawable.deep_purple_round,
                R.drawable.pink_round, R.drawable.green_round, R.drawable.deep_orange_round,
                R.drawable.grey_round, R.drawable.cyan_round, R.drawable.amber_round};
        List<Integer> list = Arrays.asList(res);
        ColorsListAdapter adapter = new ColorsListAdapter(mAtivity, list);
        adapter.setCheckItem(ThemeUtils.getCurrentTheme(mAtivity).getIntValue());
        GridView gridView = (GridView) LayoutInflater.from(mAtivity).inflate(R.layout.colors_panel_layout, null);
        gridView.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);
        gridView.setCacheColorHint(0);
        gridView.setAdapter(adapter);
        builder.setView(gridView);
        final AlertDialog dialog = builder.show();
        gridView.setOnItemClickListener(
                new AdapterView.OnItemClickListener() {
                    @Override
                    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                        dialog.dismiss();
                        int value = ThemeUtils.getCurrentTheme(mAtivity).getIntValue();
                        Log.d("wxl", "value==" + value);
                        if (value != position) {
                            PreferenceUtils.setPreferenceInt(mAtivity, "change_theme_key", position);
                            mAtivity.recreate();
                        }
                    }
                }
        );
    }
    public class ColorsListAdapter extends BaseAdapter {
        private int checkItem;
        private Context context;
        private List<Integer> list;
        public ColorsListAdapter(Context context, List<Integer> list) {
            this.context = context;
            this.list = list;
        }
        @Override
        public int getCount() {
            return list.size();
        }
        @Override
        public Object getItem(int position) {
            return list.get(position);
        }
        @Override
        public long getItemId(int position) {
            return position;
        }
        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            Holder holder;
            if (convertView == null) {
                convertView = LayoutInflater.from(context).inflate(R.layout.colors_image_layout, null);
                holder = new Holder();
                holder.imageView1 = (ImageView) convertView.findViewById(R.id.img_1);
                holder.imageView2 = (ImageView) convertView.findViewById(R.id.img_2);
                convertView.setTag(holder);
            } else {
                holder = (Holder) convertView.getTag();
            }
            holder.imageView1.setImageResource(list.get(position));
            if (checkItem == position) {
                holder.imageView2.setImageResource(R.mipmap.ic_done_white);
            }
            return convertView;
        }
        public void setCheckItem(int checkItem) {
            this.checkItem = checkItem;
        }
        class Holder {
            ImageView imageView1;
            ImageView imageView2;
        }
    }
}

其中colors_panel_layout.xml

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<?xml version="1.0" encoding="utf-8"?>
<GridView xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical" android:layout_width="match_parent"
    android:numColumns="4"
    android:padding="24dp"
    android:background="@android:color/transparent"
    android:listSelector="@android:color/transparent"
    android:horizontalSpacing="20dp"
    android:verticalSpacing="20dp"
    android:layout_height="match_parent">
</GridView>

colors_image_layout.xml

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<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@android:color/transparent"
    android:orientation="vertical">
    <ImageView
        android:id="@+id/img_1"
        android:layout_width="40dp"
        android:layout_height="40dp"
        android:layout_gravity="center"/>
    <ImageView
        android:id="@+id/img_2"
        android:layout_width="20dp"
        android:layout_height="20dp"
        android:layout_gravity="center"/>
</FrameLayout>

对话框圆形颜色
drawable下建red_round.xml，代码如下：

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<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval">
    <solid android:color="@color/red_primary"/>
</shape>

还有其他8个颜色，自己按照上面写写，这里代码不贴出了。

PreferenceUtils

SharedPreferences 封装类

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public class PreferenceUtils {
    public static String getPreferenceString(Context context, String key,
                                             final String defaultValue) {
        final SharedPreferences settings = PreferenceManager
                .getDefaultSharedPreferences(context);
        return settings.getString(key, defaultValue);
    }
    public static void setPreferenceString(Context context, final String key,
                                           final String value) {
        final SharedPreferences settings = PreferenceManager
                .getDefaultSharedPreferences(context);
        settings.edit().putString(key, value).apply();
    }
    public static boolean getPreferenceBoolean(Context context, final String key,
                                               final boolean defaultValue) {
        final SharedPreferences settings = PreferenceManager
                .getDefaultSharedPreferences(context);
        return settings.getBoolean(key, defaultValue);
    }
    public static boolean hasKey(Context context, final String key) {
        return PreferenceManager.getDefaultSharedPreferences(context).contains(
                key);
    }
    public static void setPreferenceBoolean(Context context, final String key,
                                            final boolean value) {
        final SharedPreferences settings = PreferenceManager
                .getDefaultSharedPreferences(context);
        settings.edit().putBoolean(key, value).apply();
    }
    public static void setPreferenceInt(Context context, final String key,
                                        final int value) {
        final SharedPreferences settings = PreferenceManager
                .getDefaultSharedPreferences(context);
        settings.edit().putInt(key, value).apply();
    }
    public static int getPreferenceInt(Context context, final String key,
                                       final int defaultValue) {
        final SharedPreferences settings = PreferenceManager
                .getDefaultSharedPreferences(context);
        return settings.getInt(key, defaultValue);
    }
    public static void setPreferenceFloat(Context context, final String key,
                                          final float value) {
        final SharedPreferences settings = PreferenceManager
                .getDefaultSharedPreferences(context);
        settings.edit().putFloat(key, value).apply();
    }
    public static float getPreferenceFloat(Context context, final String key,
                                           final float defaultValue) {
        final SharedPreferences settings = PreferenceManager
                .getDefaultSharedPreferences(context);
        return settings.getFloat(key, defaultValue);
    }
    public static void setPreferenceLong(Context context, final String key,
                                         final long value) {
        final SharedPreferences settings = PreferenceManager
                .getDefaultSharedPreferences(context);
        settings.edit().putLong(key, value).apply();
    }
    public static long getPreferenceLong(Context context, final String key,
                                         final long defaultValue) {
        final SharedPreferences settings = PreferenceManager
                .getDefaultSharedPreferences(context);
        return settings.getLong(key, defaultValue);
    }
    public static void clearPreference(Context context,
                                       final SharedPreferences p) {
        final SharedPreferences.Editor editor = p.edit();
        editor.clear();
        editor.apply();
    }
}

ThemeUtils

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public class ThemeUtils {
    public static void changTheme(Activity activity, Theme theme) {
        if (activity == null)
            return;
        int style = R.style.RedTheme;
        switch (theme) {
            case BROWN:
                style = R.style.BrownTheme;
                break;
            case BLUE:
                style = R.style.BlueTheme;
                break;
            case BLUE_GREY:
                style = R.style.BlueGreyTheme;
                break;
            case YELLOW:
                style = R.style.YellowTheme;
                break;
            case DEEP_PURPLE:
                style = R.style.DeepPurpleTheme;
                break;
            case PINK:
                style = R.style.PinkTheme;
                break;
            case GREEN:
                style = R.style.GreenTheme;
                break;
            case DEEP_ORANGE:
                style = R.style.DeepOrangeTheme;
                break;
            case GREY:
                style = R.style.GreyTheme;
                break;
            case CYAN:
                style = R.style.CyanTheme;
                break;
            case AMBER:
                style = R.style.AmberTheme;
                break;
            default:
                break;
        }
        activity.setTheme(style);
    }
    public static Theme getCurrentTheme(Context context) {
        int value = PreferenceUtils.getPreferenceInt(context, "change_theme_key", 0);
        return ThemeUtils.Theme.mapValueToTheme(value);
    }
    public enum Theme {
        RED(0),
        BROWN(1),
        BLUE(2),
        BLUE_GREY(3),
        YELLOW(4),
        DEEP_PURPLE(5),
        PINK(6),
        GREEN(7),
        DEEP_ORANGE(8),
        GREY(9),
        CYAN(10),
        AMBER(11);
        private int mValue;
        Theme(int value) {
            this.mValue = value;
        }
        public static Theme mapValueToTheme(final int value) {
            for (Theme theme : Theme.values()) {
                if (value == theme.getIntValue()) {
                    return theme;
                }
            }
            // If run here, return default
            return RED;
        }
        static Theme getDefault() {
            return RED;
        }
        public int getIntValue() {
            return mValue;
        }
    }
}

完整demo

联系QQ1413129987

更新日志

  • 2016/12/13 修改
  • 2015/08/19 撰笔

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